/*******************************************************************************
* Copyright (c) 2010 Red Hat, Inc.
* Distributed under license by Red Hat, Inc. All rights reserved.
* This program is made available under the terms of the
* Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Red Hat, Inc. - initial API and implementation
******************************************************************************/
package org.jboss.tools.usage.util.reader;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
/**
* @author Andre Dietisheim
*/
public class AppendUntilAlternativeImpl extends ReadUntilAlternativesImpl {
private Writer writer;
private int numOfWrittenCharacters;
public AppendUntilAlternativeImpl(Reader reader, Writer writer, String... alternatives) {
super(reader, alternatives);
this.writer = writer;
}
@Override
protected boolean doContinueRead(char character, int numberOfCharactersRead) throws IOException {
if (super.doContinueRead(character, numberOfCharactersRead)) {
if (!isMatching()) {
// don't append matching characters
writer.write(character);
numOfWrittenCharacters++;
}
return true;
} else {
return false;
}
}
public int getNumOfWrittenCharacters() {
return numOfWrittenCharacters;
}
}