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/*
 * Copyright (c) 2010-2015 Pivotal Software, Inc. All rights reserved.
 *
 * 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. See accompanying
 * LICENSE file.
 */
package com.gemstone.gemfire.internal.io;

import java.io.OutputStream;
import java.io.PrintStream;
import java.util.Iterator;

/**
 * @author Kirk Lund
 * @since 7.0
 */
public class CompositePrintStream extends PrintStream {

  private final CompositeOutputStream compositeOutputStream;
  
  public CompositePrintStream(CompositeOutputStream compositeOutputStream) {
    super(compositeOutputStream, true);
    this.compositeOutputStream = compositeOutputStream;
  }
  
  public CompositePrintStream(OutputStream... out) {
    this(new CompositeOutputStream(out));
  }
  
  public CompositeOutputStream getCompositePrintStream() {
    return this.compositeOutputStream;
  }

  /**
   * @return true if this CompositePrintStream did not already contain the specified OutputStream
   */
  public boolean addOutputStream(OutputStream out) {
    return this.compositeOutputStream.addOutputStream(out);
  }
  
  /**
   * @return true if this CompositePrintStream contained the specified OutputStream
   */
  public boolean removeOutputStream(OutputStream out) {
    return this.compositeOutputStream.removeOutputStream(out);
  }
  
  /**
   * Returns true if this CompositePrintStream contains no OutputStreams.
   *
   * @return true if this CompositePrintStream contains no OutputStreams
   */
  public boolean isEmpty() {
    return this.compositeOutputStream.isEmpty();
  }
  
  /**
   * Returns the number of OutputStreams in this CompositePrintStream (its cardinality).
   *
   * @return the number of OutputStreams in this CompositePrintStream (its cardinality)
   */
  public int size() {
    return this.compositeOutputStream.size();
  }
  
  public Iterator iterator() {
    return this.compositeOutputStream.iterator();
  }
}