obsidian-launcher/src/main/com/evilco/mc/nbt/stream/NbtInputStream.java
2022-08-09 17:30:12 -07:00

40 lines
1.4 KiB
Java

package com.evilco.mc.nbt.stream;
import com.evilco.mc.nbt.tag.ITag;
import com.evilco.mc.nbt.tag.TagType;
import java.io.DataInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Constructor;
public class NbtInputStream extends DataInputStream {
public NbtInputStream(InputStream in) {
super(in);
}
public ITag readTag() throws IOException {
byte type = this.readByte();
TagType tagType = TagType.valueOf(type);
if (tagType == null) {
throw new IOException("Invalid NBT tag: Found unknown tag type " + type + ".");
} else {
return tagType == TagType.END ? null : this.readTag(tagType, false);
}
}
public ITag readTag(TagType type, boolean anonymous) throws IOException {
Constructor constructor = null;
try {
constructor = type.tagType.getConstructor(NbtInputStream.class, Boolean.TYPE);
} catch (NoSuchMethodException var6) {
throw new IOException("Invalid NBT implementation state: Type " + type.tagType.getName() + " has no de-serialization constructor.");
}
try {
return (ITag)constructor.newInstance(this, anonymous);
} catch (Exception var5) {
throw new IOException("Invalid NBT implementation state: Type " + type.tagType.getName() + " in (" + this.getClass().getName() + ") has no valid constructor: " + var5.getMessage(), var5);
}
}
}