| /* |
| * 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.myfaces.view; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletOutputStream; |
| import javax.servlet.WriteListener; |
| |
| /** |
| * Delegates the standard OutputStream-methods (close, flush, write) |
| * to the given ServletOutputStream, if the ResponseSwitch is enabled |
| */ |
| class SwitchableOutputStream extends ServletOutputStream |
| { |
| |
| ServletOutputStream _delegate = null; |
| ResponseSwitch _responseSwitch = null; |
| |
| public SwitchableOutputStream(ServletOutputStream delegate, ResponseSwitch responseSwitch) |
| { |
| _delegate = delegate; |
| _responseSwitch = responseSwitch; |
| } |
| |
| @Override |
| public void close() throws IOException |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.close(); |
| } |
| } |
| |
| @Override |
| public void flush() throws IOException |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.flush(); |
| } |
| } |
| |
| @Override |
| public void write(byte[] b, int off, int len) throws IOException |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.write(b, off, len); |
| } |
| } |
| |
| @Override |
| public void write(byte[] b) throws IOException |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.write(b); |
| } |
| } |
| |
| @Override |
| public void write(int b) throws IOException |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.write(b); |
| } |
| } |
| |
| @Override |
| public boolean isReady() |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| return _delegate.isReady(); |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public void setWriteListener(WriteListener wl) |
| { |
| if (_responseSwitch.isEnabled()) |
| { |
| _delegate.setWriteListener(wl); |
| } |
| } |
| |
| } |