package com.de22.javabytecode.attribute;

import com.de22.javabytecode.*;

/**
 * Copyright Wynne Crisman 1999,2006<p>
 */
public class Unidentified extends CodeAttribute {
	private static final byte[] EMPTY_BYTE_ARRAY = new byte[0];
	
	private String attributeName = null;
	/** The unidentified data.  This may never be null. */
	private byte[] data = EMPTY_BYTE_ARRAY;
/**
 * Unidentified constructor.
 * @param type The class this constant is a member of.
 * @param attributeName The name of the unidentified attribute (normally the name would select a different class).
 */
public Unidentified(Type type, String attributeName) {
	super(type);
	this.attributeName = attributeName;
}//Unidentified()//
/**
 * Gets the name of the unidentified attribute.
 * @return The attribute's name which identifies what the attribute data means.
 */
public String getAttributeName() {
	return attributeName;
}//getAttributeName()//
/**
 * Gets the attribute's default name as it is stored in the class bytes.
 * @return The default name identifying the attribute's type.
 */
public String getDefaultName() {
	return attributeName;
}//getDefaultName()//
/**
 * Gets the size in number of bytes of the component and all subcomponents.
 * @return The number of bytes required to represent the component and all subcomponents.
 */
public int getSize() {
	return data.length;
}//getSize()//
/**
 * Reads this object from the given stream.
 * @param in The input stream to read this object from.
 */
public void readExternal(java.io.ObjectInput in) throws java.io.IOException, ClassNotFoundException {
	int length = -1;
	int readCount = 0;
	
	super.readExternal(in);

	length = in.readInt();  //Read the size of the attribute.//
	data = new byte[length];  //Create the data array.//
	
	//Read the data.//
	while(readCount != data.length) {
		readCount += in.read(data, readCount, data.length - readCount);
	}//while//
}//readExternal()//
/**
 * @see Component.toString(StringBuffer, int)
 */
public void toString(StringBuffer buffer, int tabCount) {
	appendTabs(buffer, tabCount);
	buffer.append("Unidentified CodeAttribute (name=");
	buffer.append(attributeName);
	buffer.append(" Size=");
	buffer.append(data.length);
	buffer.append(')');
	appendEndOfLine(buffer);
}//toString()//
/**
 * Writes this object to the given stream.
 * @param out The output stream to write this object to.
 */
public void writeExternal(java.io.ObjectOutput out) throws java.io.IOException {
	super.writeExternal(out);

	out.write(data);
}//writeExternal()//
}//Unidentified//