1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one 3 * or more contributor license agreements. See the NOTICE file 4 * distributed with this work for additional information 5 * regarding copyright ownership. The ASF licenses this file 6 * to you under the Apache License, Version 2.0 (the 7 * "License"); you may not use this file except in compliance 8 * with the License. You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, 13 * software distributed under the License is distributed on an 14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 15 * KIND, either express or implied. See the License for the 16 * specific language governing permissions and limitations 17 * under the License. 18 */ 19 package org.apache.myfaces.custom.captcha.util; 20 21 import java.io.IOException; 22 import java.io.OutputStream; 23 import javax.faces.context.ResponseStream; 24 25 /** 26 * This class is responsible for wrapping the CAPTCHA Image 27 * response stream. 28 * 29 * @since 1.1.7 30 */ 31 public final class CAPTCHAResponseStream extends ResponseStream 32 { 33 private final OutputStream _out; 34 35 public CAPTCHAResponseStream(OutputStream out) 36 { 37 _out = out; 38 } 39 40 public void close() throws IOException 41 { 42 _out.flush(); 43 _out.close(); 44 } 45 46 public void flush() throws IOException 47 { 48 _out.flush(); 49 } 50 51 public void write(byte[] b, int off, int len) throws IOException 52 { 53 _out.write(b, off, len); 54 } 55 56 public void write(byte[] b) throws IOException 57 { 58 _out.write(b); 59 } 60 61 public void write(int b) throws IOException 62 { 63 _out.write(b); 64 } 65 }