Fix CompoundTagBuilder being private

core/src/main/java/com/sk89q/jnbt/CompoundTagBuilder.java

@@ -0,0 +1,204 @@
+/*
+ * WorldEdit, a Minecraft world manipulation toolkit
+ * Copyright (C) sk89q <http://www.sk89q.com>
+ * Copyright (C) WorldEdit team and contributors
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.sk89q.jnbt;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Helps create compound tags.
+ */
+public class CompoundTagBuilder {
+
+    private final Map<String, Tag> entries;
+
+    /**
+     * Create a new instance.
+     */
+    public CompoundTagBuilder() {
+        this.entries = new HashMap<String, Tag>();
+    }
+
+    /**
+     * Create a new instance and use the given map (which will be modified).
+     *
+     * @param value the value
+     */
+    public CompoundTagBuilder(Map<String, Tag> value) {
+        checkNotNull(value);
+        this.entries = value;
+    }
+
+    /**
+     * Put the given key and tag into the compound tag.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder put(String key, Tag value) {
+        checkNotNull(key);
+        checkNotNull(value);
+        entries.put(key, value);
+        return this;
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code ByteArrayTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putByteArray(String key, byte[] value) {
+        return put(key, new ByteArrayTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code ByteTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putByte(String key, byte value) {
+        return put(key, new ByteTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code DoubleTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putDouble(String key, double value) {
+        return put(key, new DoubleTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code FloatTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putFloat(String key, float value) {
+        return put(key, new FloatTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code IntArrayTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putIntArray(String key, int[] value) {
+        return put(key, new IntArrayTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as an {@code IntTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putInt(String key, int value) {
+        return put(key, new IntTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code LongTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putLong(String key, long value) {
+        return put(key, new LongTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code ShortTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putShort(String key, short value) {
+        return put(key, new ShortTag(value));
+    }
+
+    /**
+     * Put the given key and value into the compound tag as a
+     * {@code StringTag}.
+     *
+     * @param key they key
+     * @param value the value
+     * @return this object
+     */
+    public CompoundTagBuilder putString(String key, String value) {
+        return put(key, new StringTag(value));
+    }
+
+    /**
+     * Put all the entries from the given map into this map.
+     *
+     * @param value the map of tags
+     * @return this object
+     */
+    public CompoundTagBuilder putAll(Map<String, ? extends Tag> value) {
+        checkNotNull(value);
+        for (Map.Entry<String, ? extends Tag> entry : value.entrySet()) {
+            put(entry.getKey(), entry.getValue());
+        }
+        return this;
+    }
+
+    /**
+     * Build an unnamed compound tag with this builder's entries.
+     *
+     * @return the new compound tag
+     */
+    public CompoundTag build() {
+        return new CompoundTag(new HashMap<String, Tag>(entries));
+    }
+
+    /**
+     * Create a new builder instance.
+     *
+     * @return a new builder
+     */
+    public static CompoundTagBuilder create() {
+        return new CompoundTagBuilder();
+    }
+
+}