commit 8748664953f7ebbe70bba4301c44fc4043643a1b Author: Steveice10 Date: Sat Mar 3 09:45:23 2012 -0800 Initial commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..989838a --- /dev/null +++ b/.gitignore @@ -0,0 +1,5 @@ +bin +.git +.classpath +.project +.settings diff --git a/LICENSE.txt b/LICENSE.txt new file mode 100644 index 0000000..bfbcb0b --- /dev/null +++ b/LICENSE.txt @@ -0,0 +1,31 @@ +OpenNBT License + +JNBT Copyright (c) 2010 Graham Edgecombe +OpenNBT Copyright (c) 2012 Steveice10 +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: + + * Redistributions of source code must retain the above copyright notice, + this list of conditions and the following disclaimer. + + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + + * Neither the name of the JNBT team nor the names of its + contributors may be used to endorse or promote products derived from + this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" +AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE +LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS +INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN +CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) +ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +POSSIBILITY OF SUCH DAMAGE. diff --git a/README.md b/README.md new file mode 100644 index 0000000..e54694a --- /dev/null +++ b/README.md @@ -0,0 +1,21 @@ +

OpenNBT

 +============== + + + +About OpenNBT +-------------- + +OpenNBT is a continuation of Graham Edgecombe's jNBT library. + + +License +-------------- + +OpenNBT is licensed under the [BSD](http://www.opensource.org/licenses/BSD-3-Clause) license. (See LICENSE.txt for more info.) + + +Building the Source +-------------- + +Pop the source into your favorite IDE and build! :) diff --git a/src/opennbt/NBTConstants.java b/src/opennbt/NBTConstants.java new file mode 100644 index 0000000..d07b9b7 --- /dev/null +++ b/src/opennbt/NBTConstants.java @@ -0,0 +1,72 @@ +package opennbt; + +import java.nio.charset.Charset; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * A class which holds constant values. + * @author Graham Edgecombe + * + */ +public final class NBTConstants { + + /** + * The character set used by NBT (UTF-8). + */ + public static final Charset CHARSET = Charset.forName("UTF-8"); + + /** + * Tag type constants. + */ + public static final int TYPE_END = 0, + TYPE_BYTE = 1, + TYPE_SHORT = 2, + TYPE_INT = 3, + TYPE_LONG = 4, + TYPE_FLOAT = 5, + TYPE_DOUBLE = 6, + TYPE_BYTE_ARRAY = 7, + TYPE_STRING = 8, + TYPE_LIST = 9, + TYPE_COMPOUND = 10; + + /** + * Default private constructor. + */ + private NBTConstants() { + + } + +} diff --git a/src/opennbt/NBTUtils.java b/src/opennbt/NBTUtils.java new file mode 100644 index 0000000..e5237c5 --- /dev/null +++ b/src/opennbt/NBTUtils.java @@ -0,0 +1,193 @@ +package opennbt; + +import java.util.HashMap; +import java.util.Map; +import java.util.Map.Entry; + +import opennbt.tag.ByteArrayTag; +import opennbt.tag.ByteTag; +import opennbt.tag.CompoundTag; +import opennbt.tag.DoubleTag; +import opennbt.tag.EndTag; +import opennbt.tag.FloatTag; +import opennbt.tag.IntTag; +import opennbt.tag.ListTag; +import opennbt.tag.LongTag; +import opennbt.tag.ShortTag; +import opennbt.tag.StringTag; +import opennbt.tag.Tag; + + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * A class which contains NBT-related utility methods. + * @author Graham Edgecombe + * + */ +public final class NBTUtils { + + /** + * Gets the type name of a tag. + * @param clazz The tag class. + * @return The type name. + */ + public static String getTypeName(Class clazz) { + if(clazz.equals(ByteArrayTag.class)) { + return "TAG_Byte_Array"; + } else if(clazz.equals(ByteTag.class)) { + return "TAG_Byte"; + } else if(clazz.equals(CompoundTag.class)) { + return "TAG_Compound"; + } else if(clazz.equals(DoubleTag.class)) { + return "TAG_Double"; + } else if(clazz.equals(EndTag.class)) { + return "TAG_End"; + } else if(clazz.equals(FloatTag.class)) { + return "TAG_Float"; + } else if(clazz.equals(IntTag.class)) { + return "TAG_Int"; + } else if(clazz.equals(ListTag.class)) { + return "TAG_List"; + } else if(clazz.equals(LongTag.class)) { + return "TAG_Long"; + } else if(clazz.equals(ShortTag.class)) { + return "TAG_Short"; + } else if(clazz.equals(StringTag.class)) { + return "TAG_String"; + } else { + throw new IllegalArgumentException("Invalid tag classs (" + clazz.getName() + ")."); + } + } + + /** + * Gets the type code of a tag class. + * @param clazz The tag class. + * @return The type code. + * @throws IllegalArgumentException if the tag class is invalid. + */ + public static int getTypeCode(Class clazz) { + if(clazz.equals(ByteArrayTag.class)) { + return NBTConstants.TYPE_BYTE_ARRAY; + } else if(clazz.equals(ByteTag.class)) { + return NBTConstants.TYPE_BYTE; + } else if(clazz.equals(CompoundTag.class)) { + return NBTConstants.TYPE_COMPOUND; + } else if(clazz.equals(DoubleTag.class)) { + return NBTConstants.TYPE_DOUBLE; + } else if(clazz.equals(EndTag.class)) { + return NBTConstants.TYPE_END; + } else if(clazz.equals(FloatTag.class)) { + return NBTConstants.TYPE_FLOAT; + } else if(clazz.equals(IntTag.class)) { + return NBTConstants.TYPE_INT; + } else if(clazz.equals(ListTag.class)) { + return NBTConstants.TYPE_LIST; + } else if(clazz.equals(LongTag.class)) { + return NBTConstants.TYPE_LONG; + } else if(clazz.equals(ShortTag.class)) { + return NBTConstants.TYPE_SHORT; + } else if(clazz.equals(StringTag.class)) { + return NBTConstants.TYPE_STRING; + } else { + throw new IllegalArgumentException("Invalid tag classs (" + clazz.getName() + ")."); + } + } + + /** + * Gets the class of a type of tag. + * @param type The type. + * @return The class. + * @throws IllegalArgumentException if the tag type is invalid. + */ + public static Class getTypeClass(int type) { + switch(type) { + case NBTConstants.TYPE_END: + return EndTag.class; + case NBTConstants.TYPE_BYTE: + return ByteTag.class; + case NBTConstants.TYPE_SHORT: + return ShortTag.class; + case NBTConstants.TYPE_INT: + return IntTag.class; + case NBTConstants.TYPE_LONG: + return LongTag.class; + case NBTConstants.TYPE_FLOAT: + return FloatTag.class; + case NBTConstants.TYPE_DOUBLE: + return DoubleTag.class; + case NBTConstants.TYPE_BYTE_ARRAY: + return ByteArrayTag.class; + case NBTConstants.TYPE_STRING: + return StringTag.class; + case NBTConstants.TYPE_LIST: + return ListTag.class; + case NBTConstants.TYPE_COMPOUND: + return CompoundTag.class; + default: + throw new IllegalArgumentException("Invalid tag type : " + type + "."); + } + } + + public static Map cloneMap(Map map) { + Map newMap = new HashMap(); + + for(Entry entry : map.entrySet()) { + newMap.put(entry.getKey(), entry.getValue().clone()); + } + + return newMap; + } + + public static byte[] cloneArray(byte[] array) { + if(array == null) { + return null; + } else { + int size = array.length; + + byte[] newArray = new byte[size]; + System.arraycopy(array, 0, newArray, 0, size); + + return newArray; + } + } + + /** + * Default private constructor. + */ + private NBTUtils() { + + } + +} diff --git a/src/opennbt/stream/NBTInputStream.java b/src/opennbt/stream/NBTInputStream.java new file mode 100644 index 0000000..e4fc939 --- /dev/null +++ b/src/opennbt/stream/NBTInputStream.java @@ -0,0 +1,202 @@ +package opennbt.stream; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +import java.io.Closeable; +import java.io.DataInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.ArrayList; +import java.util.HashMap; +import java.util.List; +import java.util.Map; +import java.util.zip.GZIPInputStream; + +import opennbt.NBTConstants; +import opennbt.NBTUtils; +import opennbt.tag.ByteArrayTag; +import opennbt.tag.ByteTag; +import opennbt.tag.CompoundTag; +import opennbt.tag.DoubleTag; +import opennbt.tag.EndTag; +import opennbt.tag.FloatTag; +import opennbt.tag.IntTag; +import opennbt.tag.ListTag; +import opennbt.tag.LongTag; +import opennbt.tag.ShortTag; +import opennbt.tag.StringTag; +import opennbt.tag.Tag; + + +/** + *

This class reads NBT, or + * Named Binary Tag streams, and produces an object graph of + * subclasses of the Tag object.

+ * + *

The NBT format was created by Markus Persson, and the specification may + * be found at + * http://www.minecraft.net/docs/NBT.txt.

+ * @author Graham Edgecombe + * + */ +public final class NBTInputStream implements Closeable { + + /** + * The data input stream. + */ + private final DataInputStream is; + + /** + * Creates a new NBTInputStream, which will source its data + * from the specified input stream. + * @param is The input stream. + * @throws IOException if an I/O error occurs. + */ + public NBTInputStream(InputStream is) throws IOException { + this.is = new DataInputStream(new GZIPInputStream(is)); + } + + /** + * Reads an NBT tag from the stream. + * @return The tag that was read. + * @throws IOException if an I/O error occurs. + */ + public Tag readTag() throws IOException { + return readTag(0); + } + + /** + * Reads an NBT from the stream. + * @param depth The depth of this tag. + * @return The tag that was read. + * @throws IOException if an I/O error occurs. + */ + private Tag readTag(int depth) throws IOException { + int type = is.readByte() & 0xFF; + + String name; + if(type != NBTConstants.TYPE_END) { + int nameLength = is.readShort() & 0xFFFF; + byte[] nameBytes = new byte[nameLength]; + is.readFully(nameBytes); + name = new String(nameBytes, NBTConstants.CHARSET); + } else { + name = ""; + } + + return readTagPayload(type, name, depth); + } + + /** + * Reads the payload of a tag, given the name and type. + * @param type The type. + * @param name The name. + * @param depth The depth. + * @return The tag. + * @throws IOException if an I/O error occurs. + */ + @SuppressWarnings({ "unchecked", "rawtypes" }) + private Tag readTagPayload(int type, String name, int depth) throws IOException { + switch(type) { + case NBTConstants.TYPE_END: + if(depth == 0) { + throw new IOException("TAG_End found without a TAG_Compound/TAG_List tag preceding it."); + } else { + return new EndTag(); + } + case NBTConstants.TYPE_BYTE: + return new ByteTag(name, is.readByte()); + case NBTConstants.TYPE_SHORT: + return new ShortTag(name, is.readShort()); + case NBTConstants.TYPE_INT: + return new IntTag(name, is.readInt()); + case NBTConstants.TYPE_LONG: + return new LongTag(name, is.readLong()); + case NBTConstants.TYPE_FLOAT: + return new FloatTag(name, is.readFloat()); + case NBTConstants.TYPE_DOUBLE: + return new DoubleTag(name, is.readDouble()); + case NBTConstants.TYPE_BYTE_ARRAY: + int length = is.readInt(); + byte[] bytes = new byte[length]; + is.readFully(bytes); + return new ByteArrayTag(name, bytes); + case NBTConstants.TYPE_STRING: + length = is.readShort(); + bytes = new byte[length]; + is.readFully(bytes); + return new StringTag(name, new String(bytes, NBTConstants.CHARSET)); + case NBTConstants.TYPE_LIST: + int childType = is.readByte(); + length = is.readInt(); + + Class oclass = NBTUtils.getTypeClass(childType); + + List tagList = new ArrayList(); + for(int i = 0; i < length; i++) { + Tag tag = readTagPayload(childType, "", depth + 1); + + if(tag instanceof EndTag) { + throw new IOException("TAG_End not permitted in a list."); + } else if(!oclass.isInstance(tag)) { + throw new IOException("Mixed types within a list."); + } + + tagList.add(tag); + } + + return new ListTag(name, oclass, tagList); + case NBTConstants.TYPE_COMPOUND: + Map tagMap = new HashMap(); + while(true) { + Tag tag = readTag(depth + 1); + if(tag instanceof EndTag) { + break; + } else { + tagMap.put(tag.getName(), tag); + } + } + + return new CompoundTag(name, tagMap); + default: + throw new IOException("Invalid tag type: " + type + "."); + } + } + + @Override + public void close() throws IOException { + is.close(); + } + +} diff --git a/src/opennbt/stream/NBTOutputStream.java b/src/opennbt/stream/NBTOutputStream.java new file mode 100644 index 0000000..f95914a --- /dev/null +++ b/src/opennbt/stream/NBTOutputStream.java @@ -0,0 +1,274 @@ +package opennbt.stream; + +import java.io.Closeable; +import java.io.DataOutputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.util.List; +import java.util.zip.GZIPOutputStream; + +import opennbt.NBTConstants; +import opennbt.NBTUtils; +import opennbt.tag.ByteArrayTag; +import opennbt.tag.ByteTag; +import opennbt.tag.CompoundTag; +import opennbt.tag.DoubleTag; +import opennbt.tag.EndTag; +import opennbt.tag.FloatTag; +import opennbt.tag.IntTag; +import opennbt.tag.ListTag; +import opennbt.tag.LongTag; +import opennbt.tag.ShortTag; +import opennbt.tag.StringTag; +import opennbt.tag.Tag; + + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + *

This class writes NBT, or + * Named Binary Tag Tag objects to an underlying + * OutputStream.

+ * + *

The NBT format was created by Markus Persson, and the specification may + * be found at + * http://www.minecraft.net/docs/NBT.txt.

+ * @author Graham Edgecombe + * + */ +public final class NBTOutputStream implements Closeable { + + /** + * The output stream. + */ + private final DataOutputStream os; + + /** + * Creates a new NBTOutputStream, which will write data to the + * specified underlying output stream. + * @param os The output stream. + * @throws IOException if an I/O error occurs. + */ + public NBTOutputStream(OutputStream os) throws IOException { + this.os = new DataOutputStream(new GZIPOutputStream(os)); + } + + /** + * Writes a tag. + * @param tag The tag to write. + * @throws IOException if an I/O error occurs. + */ + public void writeTag(Tag tag) throws IOException { + int type = NBTUtils.getTypeCode(tag.getClass()); + String name = tag.getName(); + byte[] nameBytes = name.getBytes(NBTConstants.CHARSET); + + os.writeByte(type); + os.writeShort(nameBytes.length); + os.write(nameBytes); + + if(type == NBTConstants.TYPE_END) { + throw new IOException("Named TAG_End not permitted."); + } + + writeTagPayload(tag); + } + + /** + * Writes tag payload. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeTagPayload(Tag tag) throws IOException { + int type = NBTUtils.getTypeCode(tag.getClass()); + switch(type) { + case NBTConstants.TYPE_END: + writeEndTagPayload((EndTag) tag); + break; + case NBTConstants.TYPE_BYTE: + writeByteTagPayload((ByteTag) tag); + break; + case NBTConstants.TYPE_SHORT: + writeShortTagPayload((ShortTag) tag); + break; + case NBTConstants.TYPE_INT: + writeIntTagPayload((IntTag) tag); + break; + case NBTConstants.TYPE_LONG: + writeLongTagPayload((LongTag) tag); + break; + case NBTConstants.TYPE_FLOAT: + writeFloatTagPayload((FloatTag) tag); + break; + case NBTConstants.TYPE_DOUBLE: + writeDoubleTagPayload((DoubleTag) tag); + break; + case NBTConstants.TYPE_BYTE_ARRAY: + writeByteArrayTagPayload((ByteArrayTag) tag); + break; + case NBTConstants.TYPE_STRING: + writeStringTagPayload((StringTag) tag); + break; + case NBTConstants.TYPE_LIST: + writeListTagPayload((ListTag) tag); + break; + case NBTConstants.TYPE_COMPOUND: + writeCompoundTagPayload((CompoundTag) tag); + break; + default: + throw new IOException("Invalid tag type: " + type + "."); + } + } + + /** + * Writes a TAG_Byte tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeByteTagPayload(ByteTag tag) throws IOException { + os.writeByte(tag.getValue()); + } + + /** + * Writes a TAG_Byte_Array tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeByteArrayTagPayload(ByteArrayTag tag) throws IOException { + byte[] bytes = tag.getValue(); + os.writeInt(bytes.length); + os.write(bytes); + } + + /** + * Writes a TAG_Compound tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeCompoundTagPayload(CompoundTag tag) throws IOException { + for(Tag childTag : tag.getValue().values()) { + writeTag(childTag); + } + os.writeByte((byte) 0); // end tag - better way? + } + + /** + * Writes a TAG_List tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + @SuppressWarnings("unchecked") + private void writeListTagPayload(ListTag tag) throws IOException { + Class clazz = tag.getType(); + List tags = (List) tag.getValue(); + int size = tags.size(); + + os.writeByte(NBTUtils.getTypeCode(clazz)); + os.writeInt(size); + for(int i = 0; i < size; i++) { + writeTagPayload(tags.get(i)); + } + } + + /** + * Writes a TAG_String tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeStringTagPayload(StringTag tag) throws IOException { + byte[] bytes = tag.getValue().getBytes(NBTConstants.CHARSET); + os.writeShort(bytes.length); + os.write(bytes); + } + + /** + * Writes a TAG_Double tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeDoubleTagPayload(DoubleTag tag) throws IOException { + os.writeDouble(tag.getValue()); + } + + /** + * Writes a TAG_Float tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeFloatTagPayload(FloatTag tag) throws IOException { + os.writeFloat(tag.getValue()); + } + + /** + * Writes a TAG_Long tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeLongTagPayload(LongTag tag) throws IOException { + os.writeLong(tag.getValue()); + } + + /** + * Writes a TAG_Int tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeIntTagPayload(IntTag tag) throws IOException { + os.writeInt(tag.getValue()); + } + + /** + * Writes a TAG_Short tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeShortTagPayload(ShortTag tag) throws IOException { + os.writeShort(tag.getValue()); + } + + /** + * Writes a TAG_Empty tag. + * @param tag The tag. + * @throws IOException if an I/O error occurs. + */ + private void writeEndTagPayload(EndTag tag) { + /* empty */ + } + + @Override + public void close() throws IOException { + os.close(); + } + +} diff --git a/src/opennbt/tag/ByteArrayTag.java b/src/opennbt/tag/ByteArrayTag.java new file mode 100644 index 0000000..cfc4e3c --- /dev/null +++ b/src/opennbt/tag/ByteArrayTag.java @@ -0,0 +1,101 @@ +package opennbt.tag; + +import java.util.Arrays; + +import opennbt.NBTUtils; + + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Byte_Array tag. + * @author Graham Edgecombe + * + */ +public final class ByteArrayTag extends Tag { + + /** + * The value. + */ + private final byte[] value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public ByteArrayTag(String name, byte[] value) { + super(name); + this.value = value; + } + + @Override + public byte[] getValue() { + return value; + } + + @Override + public String toString() { + StringBuilder hex = new StringBuilder(); + for(byte b : value) { + String hexDigits = Integer.toHexString(b).toUpperCase(); + if(hexDigits.length() == 1) { + hex.append("0"); + } + hex.append(hexDigits).append(" "); + } + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Byte_Array" + append + ": " + hex.toString(); + } + + @Override + public boolean equals(Object obj) { + if(!(obj instanceof ByteArrayTag)) return false; + + ByteArrayTag tag = (ByteArrayTag) obj; + + return Arrays.equals(this.getValue(), tag.getValue()) && this.getName().equals(tag.getName()); + } + + public Tag clone() { + byte[] clonedArray = NBTUtils.cloneArray(this.getValue()); + + return new ByteArrayTag(this.getName(), clonedArray); + } + +} diff --git a/src/opennbt/tag/ByteTag.java b/src/opennbt/tag/ByteTag.java new file mode 100644 index 0000000..80c38e9 --- /dev/null +++ b/src/opennbt/tag/ByteTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Byte tag. + * @author Graham Edgecombe + * + */ +public final class ByteTag extends Tag { + + /** + * The value. + */ + private final byte value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public ByteTag(String name, byte value) { + super(name); + this.value = value; + } + + @Override + public Byte getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Byte" + append + ": " + value; + } + + public Tag clone() { + return new ByteTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/CompoundTag.java b/src/opennbt/tag/CompoundTag.java new file mode 100644 index 0000000..7302a7b --- /dev/null +++ b/src/opennbt/tag/CompoundTag.java @@ -0,0 +1,91 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +import java.util.Collections; +import java.util.Map; + +import opennbt.NBTUtils; + + +/** + * The TAG_Compound tag. + * @author Graham Edgecombe + * + */ +public final class CompoundTag extends Tag { + + /** + * The value. + */ + private final Map value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public CompoundTag(String name, Map value) { + super(name); + this.value = Collections.unmodifiableMap(value); + } + + @Override + public Map getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + StringBuilder bldr = new StringBuilder(); + bldr.append("TAG_Compound" + append + ": " + value.size() + " entries\r\n{\r\n"); + for(Map.Entry entry : value.entrySet()) { + bldr.append(" " + entry.getValue().toString().replaceAll("\r\n", "\r\n ") + "\r\n"); + } + bldr.append("}"); + return bldr.toString(); + } + + public Tag clone() { + Map newMap = NBTUtils.cloneMap(this.getValue()); + + return new CompoundTag(this.getName(), newMap); + } + +} diff --git a/src/opennbt/tag/DoubleTag.java b/src/opennbt/tag/DoubleTag.java new file mode 100644 index 0000000..bd521fe --- /dev/null +++ b/src/opennbt/tag/DoubleTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Double tag. + * @author Graham Edgecombe + * + */ +public final class DoubleTag extends Tag { + + /** + * The value. + */ + private final double value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public DoubleTag(String name, double value) { + super(name); + this.value = value; + } + + @Override + public Double getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Double" + append + ": " + value; + } + + public Tag clone() { + return new DoubleTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/EndTag.java b/src/opennbt/tag/EndTag.java new file mode 100644 index 0000000..bacc799 --- /dev/null +++ b/src/opennbt/tag/EndTag.java @@ -0,0 +1,64 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_End tag. + * @author Graham Edgecombe + * + */ +public final class EndTag extends Tag { + + /** + * Creates the tag. + */ + public EndTag() { + super(""); + } + + @Override + public Object getValue() { + return null; + } + + @Override + public String toString() { + return "TAG_End"; + } + + public Tag clone() { + return new EndTag(); + } + +} diff --git a/src/opennbt/tag/FloatTag.java b/src/opennbt/tag/FloatTag.java new file mode 100644 index 0000000..67049b1 --- /dev/null +++ b/src/opennbt/tag/FloatTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Float tag. + * @author Graham Edgecombe + * + */ +public final class FloatTag extends Tag { + + /** + * The value. + */ + private final float value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public FloatTag(String name, float value) { + super(name); + this.value = value; + } + + @Override + public Float getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Float" + append + ": " + value; + } + + public Tag clone() { + return new FloatTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/IntTag.java b/src/opennbt/tag/IntTag.java new file mode 100644 index 0000000..b41e01c --- /dev/null +++ b/src/opennbt/tag/IntTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Int tag. + * @author Graham Edgecombe + * + */ +public final class IntTag extends Tag { + + /** + * The value. + */ + private final int value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public IntTag(String name, int value) { + super(name); + this.value = value; + } + + @Override + public Integer getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Int" + append + ": " + value; + } + + public Tag clone() { + return new IntTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/ListTag.java b/src/opennbt/tag/ListTag.java new file mode 100644 index 0000000..fc586cb --- /dev/null +++ b/src/opennbt/tag/ListTag.java @@ -0,0 +1,112 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +import java.util.ArrayList; +import java.util.Collections; +import java.util.List; + +import opennbt.NBTUtils; + + +/** + * The TAG_List tag. + * @author Graham Edgecombe + * + */ +public final class ListTag extends Tag { + + /** + * The type. + */ + private final Class type; + + /** + * The value. + */ + private final List value; + + /** + * Creates the tag. + * @param name The name. + * @param type The type of item in the list. + * @param value The value. + */ + public ListTag(String name, Class type, List value) { + super(name); + this.type = type; + this.value = Collections.unmodifiableList(value); + } + + /** + * Gets the type of item in this list. + * @return The type of item in this list. + */ + public Class getType() { + return type; + } + + @Override + public List getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + StringBuilder bldr = new StringBuilder(); + bldr.append("TAG_List" + append + ": " + value.size() + " entries of type " + NBTUtils.getTypeName(type) + "\r\n{\r\n"); + for(Tag t : value) { + bldr.append(" " + t.toString().replaceAll("\r\n", "\r\n ") + "\r\n"); + } + bldr.append("}"); + return bldr.toString(); + } + + @SuppressWarnings("unchecked") + public Tag clone() { + List newList = new ArrayList(); + + for(T value : this.getValue()) { + newList.add((T) value.clone()); + } + + return new ListTag(this.getName(), this.getType(), newList); + } + +} diff --git a/src/opennbt/tag/LongTag.java b/src/opennbt/tag/LongTag.java new file mode 100644 index 0000000..a83b1a1 --- /dev/null +++ b/src/opennbt/tag/LongTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Long tag. + * @author Graham Edgecombe + * + */ +public final class LongTag extends Tag { + + /** + * The value. + */ + private final long value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public LongTag(String name, long value) { + super(name); + this.value = value; + } + + @Override + public Long getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Long" + append + ": " + value; + } + + public Tag clone() { + return new LongTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/ShortTag.java b/src/opennbt/tag/ShortTag.java new file mode 100644 index 0000000..cb17446 --- /dev/null +++ b/src/opennbt/tag/ShortTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_Short tag. + * @author Graham Edgecombe + * + */ +public final class ShortTag extends Tag { + + /** + * The value. + */ + private final short value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public ShortTag(String name, short value) { + super(name); + this.value = value; + } + + @Override + public Short getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_Short" + append + ": " + value; + } + + public Tag clone() { + return new ShortTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/StringTag.java b/src/opennbt/tag/StringTag.java new file mode 100644 index 0000000..153e200 --- /dev/null +++ b/src/opennbt/tag/StringTag.java @@ -0,0 +1,77 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * The TAG_String tag. + * @author Graham Edgecombe + * + */ +public final class StringTag extends Tag { + + /** + * The value. + */ + private final String value; + + /** + * Creates the tag. + * @param name The name. + * @param value The value. + */ + public StringTag(String name, String value) { + super(name); + this.value = value; + } + + @Override + public String getValue() { + return value; + } + + @Override + public String toString() { + String name = getName(); + String append = ""; + if(name != null && !name.equals("")) { + append = "(\"" + this.getName() + "\")"; + } + return "TAG_String" + append + ": " + value; + } + + public Tag clone() { + return new StringTag(this.getName(), this.getValue()); + } + +} diff --git a/src/opennbt/tag/Tag.java b/src/opennbt/tag/Tag.java new file mode 100644 index 0000000..a00c203 --- /dev/null +++ b/src/opennbt/tag/Tag.java @@ -0,0 +1,81 @@ +package opennbt.tag; + +/* + * JNBT License + * + * Copyright (c) 2010 Graham Edgecombe + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * * Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * * Neither the name of the JNBT team nor the names of its + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +/** + * Represents a single NBT tag. + * @author Graham Edgecombe + * + */ +public abstract class Tag implements Cloneable { + + /** + * The name of this tag. + */ + private final String name; + + /** + * Creates the tag with the specified name. + * @param name The name. + */ + public Tag(String name) { + this.name = name; + } + + /** + * Gets the name of this tag. + * @return The name of this tag. + */ + public final String getName() { + return name; + } + + /** + * Gets the value of this tag. + * @return The value of this tag. + */ + public abstract Object getValue(); + + @Override + public boolean equals(Object obj) { + if(!(obj instanceof Tag)) return false; + + Tag tag = (Tag) obj; + + return this.getValue().equals(tag.getValue()) && this.getName().equals(tag.getName()); + } + + public abstract Tag clone(); + +}