terminal/plugins/org.eclipse.tm.terminal.control/src/org/eclipse/tm/internal/terminal/emulator/LoggingOutputStream.java

/*******************************************************************************
 * Copyright (c) 2007, 2018 Wind River Systems, Inc. and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * Contributors:
 * Michael Scharf (Wind River) - initial API and implementation
 *******************************************************************************/
package org.eclipse.tm.internal.terminal.emulator;

import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;

import org.eclipse.tm.internal.terminal.provisional.api.Logger;

public class LoggingOutputStream extends FilterOutputStream {

	public LoggingOutputStream(OutputStream out) {
		super(out);
	}

	@Override
	public void write(byte[] b, int off, int len) throws IOException {
		if (Logger.isLogEnabled())
			Logger.log("Received " + len + " bytes: '" + //$NON-NLS-1$ //$NON-NLS-2$
					Logger.encode(new String(b, 0, len)) + "'"); //$NON-NLS-1$

		// we cannot call super.write, because this would call our write
		// which logs character by character.....
		//super.write(b, off, len);
		if ((off | len | (b.length - (len + off)) | (off + len)) < 0)
			throw new IndexOutOfBoundsException();

		for (int i = 0; i < len; i++) {
			super.write(b[off + i]);
		}
	}

	@Override
	public void write(int b) throws IOException {
		if (Logger.isLogEnabled())
			Logger.log("Received " + 1 + " bytes: '" + //$NON-NLS-1$ //$NON-NLS-2$
					Logger.encode(new String(new byte[] { (byte) b }, 0, 1)) + "'"); //$NON-NLS-1$
		super.write(b);
	}

}