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This is a copy of the good Cojen project from http://cojen.sourceforge.net/ with package name changed

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/*
 *  Copyright 2004-2010 Brian S O'Neill
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package com.googlecode.jpattern.org.cojen.classfile.attribute;

import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;

import com.googlecode.jpattern.org.cojen.classfile.Attribute;
import com.googlecode.jpattern.org.cojen.classfile.ConstantPool;

/**
 * 
 *
 * @author Brian S O'Neill
 */
public class UnknownAttr extends Attribute {
    private final byte[] mData;

    public UnknownAttr(ConstantPool cp, String name, byte[] data) {
        super(cp, name);
        mData = (byte[]) data.clone();
    }

    public UnknownAttr(ConstantPool cp, String name, int length, DataInput din)
        throws IOException
    {
        super(cp, name);
        mData = new byte[length];
        din.readFully(mData);
    }

    public int getLength() {
        return mData.length;
    }
    
    public void writeDataTo(DataOutput dout) throws IOException {
        dout.write(mData);
    }
}