/*************************************************************************
 * 
 * ADOBE CONFIDENTIAL __________________
 * 
 * Copyright 2002 - 2007 Adobe Systems Incorporated All Rights Reserved.
 * 
 * NOTICE: All information contained herein is, and remains the property of Adobe Systems Incorporated and its suppliers, if any. The intellectual and technical concepts contained herein are
 * proprietary to Adobe Systems Incorporated and its suppliers and may be covered by U.S. and Foreign Patents, patents in process, and are protected by trade secret or copyright law. Dissemination of
 * this information or reproduction of this material is strictly forbidden unless prior written permission is obtained from Adobe Systems Incorporated.
 **************************************************************************/
package flex.messaging.io.amf;

import java.io.DataOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.w3c.dom.Document;

import flex.messaging.io.SerializationContext;
import flex.messaging.util.XMLUtil;

/**
 * An abstract serializer of AMF protocol data.
 * 
 * @see ActionMessageOutput
 * @exclude
 */
public abstract class AbstractAmfOutput extends AmfIO implements ActionMessageOutput
{
    /**
     * @exclude
     */
    protected DataOutputStream out;

    /**
     * Construct a serializer without connecting it to an output stream.
     * 
     * @param context
     *            serialization parameters
     */
    public AbstractAmfOutput(SerializationContext context)
    {
        super(context);
    }

    /**
     * Sets the output stream that the serializer should use.
     * 
     * @param out
     *            DataOutputStream to use
     */
    @Override
    public void setOutputStream(OutputStream out)
    {
        if (out instanceof DataOutputStream)
        {
            this.out = (DataOutputStream) out;
        }
        else
        {
            this.out = new DataOutputStream(out);
        }
        reset();
    }

    protected String documentToString(Object value) throws IOException
    {
        return XMLUtil.documentToString((Document) value);
    }

    //
    // java.io.ObjectOutput implementations
    //

    /** {@inheritDoc} */
    @Override
    public void close() throws IOException
    {
        out.close();
    }

    /** {@inheritDoc} */
    @Override
    public void flush() throws IOException
    {
        out.flush();
    }

    /** {@inheritDoc} */
    @Override
    public void write(int b) throws IOException
    {
        out.write(b);
    }

    /** {@inheritDoc} */
    @Override
    public void write(byte bytes[]) throws IOException
    {
        out.write(bytes);
    }

    /** {@inheritDoc} */
    @Override
    public void write(byte bytes[], int offset, int length) throws IOException
    {
        out.write(bytes, offset, length);
    }

    //
    // java.io.DataOutput implementations
    //

    /** {@inheritDoc} */
    @Override
    public void writeBoolean(boolean v) throws IOException
    {
        out.writeBoolean(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeByte(int v) throws IOException
    {
        out.writeByte(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeBytes(String s) throws IOException
    {
        out.writeBytes(s);
    }

    /** {@inheritDoc} */
    @Override
    public void writeChar(int v) throws IOException
    {
        out.writeChar(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeChars(String s) throws IOException
    {
        out.writeChars(s);
    }

    /** {@inheritDoc} */
    @Override
    public void writeDouble(double v) throws IOException
    {
        out.writeDouble(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeFloat(float v) throws IOException
    {
        out.writeFloat(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeInt(int v) throws IOException
    {
        out.writeInt(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeLong(long v) throws IOException
    {
        out.writeLong(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeShort(int v) throws IOException
    {
        out.writeShort(v);
    }

    /** {@inheritDoc} */
    @Override
    public void writeUTF(String s) throws IOException
    {
        out.writeUTF(s);
    }
}