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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see
* The NBT format was created by Markus Persson, and the specification may be
* found at
* https://minecraft.gamepedia.com/NBT_format.
*
*
* @deprecated JNBT is being removed for adventure-nbt in WorldEdit 8.
*/
@Deprecated(forRemoval = true)
public final class NBTOutputStream extends OutputStream implements Closeable, DataOutput {
/**
* The output stream.
*/
private final DataOutput os;
/**
* Creates a new {@code 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 instanceof DataOutput ? (DataOutput) os : new DataOutputStream(os));
}
// Don't delete
public NBTOutputStream(DataOutput os) {
this.os = os;
}
public NBTOutputStream(DataOutputStream os) {
this.os = os;
}
// Don't delete
public NBTOutputStream(OutputStream os, boolean littleEndian) throws IOException {
this(littleEndian ? new LittleEndianOutputStream(os) : os);
}
public DataOutput getOutputStream() {
return os;
}
//TODO writeNamedTag was changed in upstream so the code below this comment may not work anymore.
/**
* Writes a tag.
*
* @param tag The tag to write.
* @throws IOException if an I/O error occurs.
*/
public void writeNamedTag(String name, Tag tag) throws IOException {
checkNotNull(name);
checkNotNull(tag);
int type = NBTUtils.getTypeCode(tag.getClass());
writeNamedTagName(name, type);
if (type == NBTConstants.TYPE_END) {
throw new IOException("Named TAG_End not permitted.");
}
writeTagPayload(tag);
}
public void writeNamedTag(String name, String value) throws IOException {
checkNotNull(name);
checkNotNull(value);
int type = NBTConstants.TYPE_STRING;
writeNamedTagName(name, type);
byte[] bytes = value.getBytes(NBTConstants.CHARSET);
os.writeShort(bytes.length);
os.write(bytes);
}
public void writeNamedTag(String name, int value) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_INT;
writeNamedTagName(name, type);
os.writeInt(value);
}
public void writeNamedTag(String name, byte value) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_BYTE;
writeNamedTagName(name, type);
os.writeByte(value);
}
public void writeNamedTag(String name, short value) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_SHORT;
writeNamedTagName(name, type);
os.writeShort(value);
}
public void writeNamedTag(String name, long value) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_LONG;
writeNamedTagName(name, type);
os.writeLong(value);
}
public void writeNamedTag(String name, byte[] bytes) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_BYTE_ARRAY;
writeNamedTagName(name, type);
os.writeInt(bytes.length);
os.write(bytes);
}
public void writeNamedTag(String name, int[] data) throws IOException {
checkNotNull(name);
int type = NBTConstants.TYPE_INT_ARRAY;
writeNamedTagName(name, type);
os.writeInt(data.length);
for (int aData : data) {
os.writeInt(aData);
}
}
public void writeNamedEmptyList(String name) throws IOException {
writeNamedEmptyList(name, NBTConstants.TYPE_COMPOUND);
}
private void writeNamedEmptyList(String name, int type) throws IOException {
writeNamedTagName(name, NBTConstants.TYPE_LIST);
os.writeByte(type);
os.writeInt(0);
}
public void writeNamedTagName(String name, int type) throws IOException {
// byte[] nameBytes = name.getBytes(NBTConstants.CHARSET);
os.writeByte(type);
os.writeUTF(name);
// os.writeShort(nameBytes.length);
// os.write(nameBytes);
}
public void writeLazyCompoundTag(String name, LazyWrite next) throws IOException {
byte[] nameBytes = name.getBytes(NBTConstants.CHARSET);
os.writeByte(NBTConstants.TYPE_COMPOUND);
os.writeShort(nameBytes.length);
os.write(nameBytes);
next.write(this);
os.writeByte(NBTConstants.TYPE_END);
}
public interface LazyWrite {
void write(NBTOutputStream out) throws IOException;
}
public void writeTag(Tag tag) throws IOException {
int type = NBTUtils.getTypeCode(tag.getClass());
os.writeByte(type);
writeTagPayload(tag);
}
public void writeEndTag() throws IOException {
os.writeByte(NBTConstants.TYPE_END);
}
/**
* Writes tag payload.
*
* @param tag The tag.
* @throws IOException if an I/O error occurs.
*/
public 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;
case NBTConstants.TYPE_INT_ARRAY:
writeIntArrayTagPayload((IntArrayTag) tag);
break;
case NBTConstants.TYPE_LONG_ARRAY:
writeLongArrayTagPayload((LongArrayTag) tag);
break;
default:
throw new IOException("Invalid tag type: " + type + ".");
}
}
/**
* Writes a {@code 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 {@code 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 {@code TAG_Compound} tag.
*
* @param tag The tag.
* @throws IOException if an I/O error occurs.
*/
private void writeCompoundTagPayload(CompoundTag tag) throws IOException {
for (Map.Entry entry : tag.getValue().entrySet()) {
writeNamedTag(entry.getKey(), entry.getValue());
}
os.writeByte((byte) 0); // end tag - better way?
}
/**
* Writes a {@code TAG_List} tag.
*
* @param tag The tag.
* @throws IOException if an I/O error occurs.
*/
private void writeListTagPayload(ListTag tag) throws IOException {
Class clazz = tag.getType();
if (clazz == null) {
clazz = CompoundTag.class;
}
List tags = tag.getValue();
int size = tags.size();
if (!tags.isEmpty()) {
Tag tag0 = tags.get(0);
os.writeByte(tag0.getTypeCode());
} else {
os.writeByte(NBTUtils.getTypeCode(clazz));
}
os.writeInt(size);
for (Tag tag1 : tags) {
writeTagPayload(tag1);
}
}
/**
* Writes a {@code 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 {@code 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 {@code 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 {@code 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 {@code 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 {@code 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 {@code TAG_Empty} tag.
*
* @param tag the tag
*/
private void writeEndTagPayload(EndTag tag) {
/* empty */
}
private void writeIntArrayTagPayload(IntArrayTag tag) throws IOException {
int[] data = tag.getValue();
os.writeInt(data.length);
for (int aData : data) {
os.writeInt(aData);
}
}
private void writeLongArrayTagPayload(LongArrayTag tag) throws IOException {
long[] data = tag.getValue();
os.writeInt(data.length);
for (long aData : data) {
os.writeLong(aData);
}
}
@Override
public void close() throws IOException {
if (os instanceof Closeable) {
((Closeable) os).close();
}
}
@Override
public void write(int b) throws IOException {
os.write(b);
}
@Override
public void write(byte[] b) throws IOException {
os.write(b);
}
@Override
public void write(byte[] b, int off, int len) throws IOException {
os.write(b, off, len);
}
@Override
public void writeBoolean(boolean v) throws IOException {
os.writeBoolean(v);
}
@Override
public void writeByte(int v) throws IOException {
os.writeByte(v);
}
@Override
public void writeShort(int v) throws IOException {
os.writeShort(v);
}
@Override
public void writeChar(int v) throws IOException {
os.writeChar(v);
}
@Override
public void writeInt(int v) throws IOException {
os.writeInt(v);
}
@Override
public void writeLong(long v) throws IOException {
os.writeLong(v);
}
@Override
public void writeFloat(float v) throws IOException {
os.writeFloat(v);
}
@Override
public void writeDouble(double v) throws IOException {
os.writeDouble(v);
}
@Override
public void writeBytes(String s) throws IOException {
os.writeBytes(s);
}
@Override
public void writeChars(String s) throws IOException {
os.writeChars(s);
}
@Override
public void writeUTF(String s) throws IOException {
os.writeUTF(s);
}
/**
* Flush output.
*
* @throws IOException
*/
@Override
public void flush() throws IOException {
if (os instanceof Flushable) {
((Flushable) os).flush();
}
}
}