/*
* 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.sshd.common.util;
import java.io.FilterOutputStream;
import java.io.IOException;
import java.io.OutputStream;
/**
* TODO Add javadoc
*
* @author <a href="mailto:dev@mina.apache.org">Apache MINA SSHD Project</a>
*/
public class LfToCrLfFilterOutputStream extends FilterOutputStream {
public LfToCrLfFilterOutputStream(OutputStream out) {
super(out);
}
@Override
public void write(int b) throws IOException {
byte[] d = new byte[1];
d[0] = (byte) b;
write(d, 0, 1);
}
@Override
public void write(byte b[], int off, int len) throws IOException {
int nb = 0;
for (int i = off; i < off + len; i++) {
if (b[i] == '\n') {
nb++;
}
}
if (nb > 0) {
byte[] bb = new byte[len + nb];
for (int i = 0, j = 0; i < len; i++) {
if (b[off + i] == '\n') {
bb[j++] = '\r';
}
bb[j++] = b[off + i];
}
b = bb;
off = 0;
len = len + nb;
}
out.write(b, off, len);
}
}