/*
* 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.exoplatform.services.jcr.impl.core.query.lucene.directory;
import java.io.OutputStream;
import java.io.IOException;
import org.apache.lucene.store.IndexOutput;
/**
* <code>IndexOutputStream</code> wraps an {@link IndexOutput} and exposes it
* as a regular {@link OutputStream}.
*/
public class IndexOutputStream extends OutputStream {
/**
* The underlying index output.
*/
private final IndexOutput out;
/**
* Creates a new index output stream and wraps the given
* <code>output</code>. Bytes will always be written at the end of the
* <code>output</code>.
*
* @param output the lucene index output.
* @throws IOException if an error occurs while seeking to the end of the
* index <code>output</code>.
*/
public IndexOutputStream(IndexOutput output)
throws IOException {
this.out = output;
this.out.seek(output.length());
}
/**
* {@inheritDoc}
*/
public void write(int b) throws IOException {
byte[] buf = new byte[]{(byte) (b & 0xff)};
write(buf, 0, 1);
}
/**
* {@inheritDoc}
*/
public void write(byte b[], int off, int len) throws IOException {
out.writeBytes(b, off, len);
}
/**
* {@inheritDoc}
* <br>
* Flushes the underlying index output.
*/
public void flush() throws IOException {
out.flush();
}
/**
* {@inheritDoc}
* <br>
* Closes the underlying index output.
*/
public void close() throws IOException {
out.close();
}
}