package net.minecraft.nbt;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
public class NBTTagList extends NBTBase
{
/** The array list containing the tags encapsulated in this list. */
private List tagList = new ArrayList();
/**
* The type byte for the tags in the list - they must all be of the same type.
*/
private byte tagType;
public NBTTagList()
{
super("");
}
public NBTTagList(String par1Str)
{
super(par1Str);
}
/**
* Write the actual data contents of the tag, implemented in NBT extension classes
*/
void write(DataOutput par1DataOutput) throws IOException
{
if (!this.tagList.isEmpty())
{
this.tagType = ((NBTBase)this.tagList.get(0)).getId();
}
else
{
this.tagType = 1;
}
par1DataOutput.writeByte(this.tagType);
par1DataOutput.writeInt(this.tagList.size());
for (int i = 0; i < this.tagList.size(); ++i)
{
((NBTBase)this.tagList.get(i)).write(par1DataOutput);
}
}
/**
* Read the actual data contents of the tag, implemented in NBT extension classes
*/
void load(DataInput par1DataInput) throws IOException
{
this.tagType = par1DataInput.readByte();
int i = par1DataInput.readInt();
this.tagList = new ArrayList();
for (int j = 0; j < i; ++j)
{
NBTBase nbtbase = NBTBase.newTag(this.tagType, (String)null);
nbtbase.load(par1DataInput);
this.tagList.add(nbtbase);
}
}
/**
* Gets the type byte for the tag.
*/
public byte getId()
{
return (byte)9;
}
public String toString()
{
return "" + this.tagList.size() + " entries of type " + NBTBase.getTagName(this.tagType);
}
/**
* Adds the provided tag to the end of the list. There is no check to verify this tag is of the same type as any
* previous tag.
*/
public void appendTag(NBTBase par1NBTBase)
{
this.tagType = par1NBTBase.getId();
this.tagList.add(par1NBTBase);
}
/**
* Removes a tag at the given index.
*/
public NBTBase removeTag(int par1)
{
return (NBTBase)this.tagList.remove(par1);
}
/**
* Retrieves the tag at the specified index from the list.
*/
public NBTBase tagAt(int par1)
{
return (NBTBase)this.tagList.get(par1);
}
/**
* Returns the number of tags in the list.
*/
public int tagCount()
{
return this.tagList.size();
}
/**
* Creates a clone of the tag.
*/
public NBTBase copy()
{
NBTTagList nbttaglist = new NBTTagList(this.getName());
nbttaglist.tagType = this.tagType;
Iterator iterator = this.tagList.iterator();
while (iterator.hasNext())
{
NBTBase nbtbase = (NBTBase)iterator.next();
NBTBase nbtbase1 = nbtbase.copy();
nbttaglist.tagList.add(nbtbase1);
}
return nbttaglist;
}
public boolean equals(Object par1Obj)
{
if (super.equals(par1Obj))
{
NBTTagList nbttaglist = (NBTTagList)par1Obj;
if (this.tagType == nbttaglist.tagType)
{
return this.tagList.equals(nbttaglist.tagList);
}
}
return false;
}
public int hashCode()
{
return super.hashCode() ^ this.tagList.hashCode();
}
}