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Remove indirection in StringType decoding

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This commit is contained in:
Andrew Steinborn 2019-12-11 23:55:44 -05:00
parent a42e724f50
commit 220c45b800
1 changed files with 7 additions and 6 deletions
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13
common/src/main/java/us/myles/ViaVersion/api/type/types/StringType.java
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@ -1,14 +1,15 @@
package us.myles.ViaVersion.api.type.types;
import com.google.common.base.Charsets;
import com.google.common.base.Preconditions;
import io.netty.buffer.ByteBuf;
import us.myles.ViaVersion.api.type.Type;
import java.nio.charset.StandardCharsets;
public class StringType extends Type<String> {
// String#length() (used to limit the string in Minecraft source code) uses char[]#length
private static final int maxJavaCharUtf8Length = Character.toString(Character.MAX_VALUE)
.getBytes(Charsets.UTF_8).length;
.getBytes(StandardCharsets.UTF_8).length;
public StringType() {
super(String.class);
@ -21,9 +22,9 @@ public class StringType extends Type<String> {
Preconditions.checkArgument(len <= Short.MAX_VALUE * maxJavaCharUtf8Length,
"Cannot receive string longer than Short.MAX_VALUE * " + maxJavaCharUtf8Length + " bytes (got %s bytes)", len);
byte[] b = new byte[len];
buffer.readBytes(b);
String string = new String(b, Charsets.UTF_8);
String string = buffer.toString(buffer.readerIndex(), len, StandardCharsets.UTF_8);
buffer.skipBytes(len);
Preconditions.checkArgument(string.length() <= Short.MAX_VALUE,
"Cannot receive string longer than Short.MAX_VALUE characters (got %s bytes)", string.length());
@ -34,7 +35,7 @@ public class StringType extends Type<String> {
public void write(ByteBuf buffer, String object) throws Exception {
Preconditions.checkArgument(object.length() <= Short.MAX_VALUE, "Cannot send string longer than Short.MAX_VALUE (got %s characters)", object.length());
byte[] b = object.getBytes(Charsets.UTF_8);
byte[] b = object.getBytes(StandardCharsets.UTF_8);
Type.VAR_INT.write(buffer, b.length);
buffer.writeBytes(b);
}