001// *************************************************************************************************************************** 002// * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file * 003// * distributed with this work for additional information regarding copyright ownership. The ASF licenses this file * 004// * to you under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance * 005// * with the License. You may obtain a copy of the License at * 006// * * 007// * http://www.apache.org/licenses/LICENSE-2.0 * 008// * * 009// * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an * 010// * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the * 011// * specific language governing permissions and limitations under the License. * 012// *************************************************************************************************************************** 013package org.apache.juneau.rest; 014 015import java.io.*; 016 017import javax.servlet.*; 018 019import org.apache.juneau.encoders.*; 020 021/** 022 * @deprecated Use {@link org.apache.juneau.rest.util.FinishableServletOutputStream} 023 */ 024@Deprecated 025public class FinishableServletOutputStream extends ServletOutputStream implements Finishable { 026 027 final OutputStream os; 028 final ServletOutputStream sos; 029 final Finishable f; 030 031 FinishableServletOutputStream(OutputStream os) { 032 this.os = os; 033 this.sos = (os instanceof ServletOutputStream ? (ServletOutputStream)os : null); 034 this.f = (os instanceof Finishable ? (Finishable)os : null); 035 } 036 037 @Override /* OutputStream */ 038 public final void write(byte[] b, int off, int len) throws IOException { 039 os.write(b, off, len); 040 } 041 042 @Override /* OutputStream */ 043 public final void write(int b) throws IOException { 044 os.write(b); 045 } 046 047 @Override /* OutputStream */ 048 public final void flush() throws IOException { 049 os.flush(); 050 } 051 052 @Override /* OutputStream */ 053 public final void close() throws IOException { 054 os.close(); 055 } 056 057 @Override /* ServletOutputStream */ 058 public boolean isReady() { 059 return sos == null ? true : sos.isReady(); 060 } 061 062 @Override /* ServletOutputStream */ 063 public void setWriteListener(WriteListener arg0) { 064 if (sos != null) 065 sos.setWriteListener(arg0); 066 } 067 068 /** 069 * Calls {@link Finishable#finish()} on the underlying output stream. 070 * 071 * <p> 072 * A no-op if the underlying output stream does not implement the {@link Finishable} interface. 073 */ 074 @Override /* Finishable */ 075 public void finish() throws IOException { 076 if (f != null) 077 f.finish(); 078 } 079}