ID3v2TextFrameData.java

package com.frostwire.mp3;

public class ID3v2TextFrameData extends AbstractID3v2FrameData {
	
	protected EncodedText text;
	
	public ID3v2TextFrameData(boolean unsynchronisation) {
		super(unsynchronisation);
	}
	
	public ID3v2TextFrameData(boolean unsynchronisation, EncodedText text) {
		super(unsynchronisation);
		this.text = text;
	}
	
	public ID3v2TextFrameData(boolean unsynchronisation, byte[] bytes) throws InvalidDataException {
		super(unsynchronisation);
		synchroniseAndUnpackFrameData(bytes);
	}

	protected void unpackFrameData(byte[] bytes) throws InvalidDataException {
		text = new EncodedText(bytes[0], BufferTools.copyBuffer(bytes, 1, bytes.length - 1));
	}
	
	protected byte[] packFrameData() {
		byte[] bytes = new byte[getLength()];
		if (text != null) bytes[0] = text.getTextEncoding();
		else bytes[0] = 0;
		if (text != null && text.toBytes().length > 0) {
			BufferTools.copyIntoByteBuffer(text.toBytes(), 0, text.toBytes().length, bytes, 1);
		}
		return bytes;
	}
	
	protected int getLength() {
		int length = 1;
		if (text != null) length += text.toBytes().length;
		return length;
	}

	public EncodedText getText() {
		return text;
	}

	public void setText(EncodedText text) {
		this.text = text;
	}
	
	public boolean equals(Object obj) {
		if (! (obj instanceof ID3v2TextFrameData)) return false;
		if (! super.equals(obj)) return false;
		ID3v2TextFrameData other = (ID3v2TextFrameData) obj;
		if (text == null) {
			if (other.text != null) return false;
		} else if (other.text == null) return false;
		else if (! text.equals(other.text)) return false;
		return true;
	}
}