EncryptedOutputStream.java

/*
 * #!
 * Ontopia Engine
 * #-
 * Copyright (C) 2001 - 2013 The Ontopia Project
 * #-
 * Licensed 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 net.ontopia.utils;

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

/**
 * INTERNAL: Output stream for reading in a encrypted input stream (for
 * example from a file) and giving back the decrypted values.
 */
public class EncryptedOutputStream extends OutputStream {

  final static int KEY = 0xFF;
  OutputStream myOutput;
  
  public EncryptedOutputStream(OutputStream myOutputStream) {
    super();
    this.myOutput = myOutputStream;
  }

  public void write(int b) throws IOException {
    int cipher = b ^ KEY;
    myOutput.write(cipher);
  }
  
}