compiler/src/main/java/org/apache/etch/compiler/NullOutput.java

/* $Id$
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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 org.apache.etch.compiler;

import java.io.File;
import java.io.IOException;
import java.io.OutputStream;

/**
 * Implementation of Output which does nothing.
 */
public class NullOutput implements Output
{
	public OutputStream newOutputStream( String fn )
	{
		return new OutputStream()
		{
			@Override
			public void write( int b ) throws IOException
			{
				// ignore, we don't want the output.
			}
		};
	}

	public Output newPackage( String pn )
	{
		// ignore, we don't care what the package is.
		return this;
	}
	
	public void report( String what )
	{
		// ignore, nothing to report.
	}

	public void saveFiles( File outputDir, boolean noQualOutputDir,
		boolean noFlattenPackages, boolean force )
	{
		// ignore, nothing to save.
	}
}