001 // Copyright 2005 The Apache Software Foundation 002 // 003 // Licensed under the Apache License, Version 2.0 (the "License"); 004 // you may not use this file except in compliance with the License. 005 // 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 010 // distributed under the License is distributed on an "AS IS" BASIS, 011 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 012 // See the License for the specific language governing permissions and 013 // limitations under the License. 014 015 package org.apache.tapestry.portlet; 016 017 import java.io.IOException; 018 import java.io.OutputStream; 019 import java.io.PrintWriter; 020 021 import javax.portlet.PortletResponse; 022 023 import org.apache.hivemind.util.Defense; 024 import org.apache.tapestry.util.ContentType; 025 import org.apache.tapestry.web.WebResponse; 026 027 /** 028 * Adapts {@link javax.portlet.PortletResponse} as {@link org.apache.tapestry.web.WebResponse}. 029 * 030 * @author Howard M. Lewis Ship 031 * @since 4.0 032 */ 033 public class PortletWebResponse implements WebResponse 034 { 035 private final PortletResponse _portletResponse; 036 037 public PortletWebResponse(PortletResponse portletResponse) 038 { 039 Defense.notNull(portletResponse, "portletResponse"); 040 041 _portletResponse = portletResponse; 042 } 043 044 public OutputStream getOutputStream(ContentType contentType) throws IOException 045 { 046 unsupported("getOutputStream"); 047 048 return null; 049 } 050 051 public PrintWriter getPrintWriter(ContentType contentType) throws IOException 052 { 053 unsupported("getPrintWriter"); 054 055 return null; 056 } 057 058 public String encodeURL(String url) 059 { 060 return _portletResponse.encodeURL(url); 061 } 062 063 /** Unsupported. */ 064 public void reset() 065 { 066 unsupported("reset"); 067 } 068 069 /** Unsupported. */ 070 public void setContentLength(int contentLength) 071 { 072 unsupported("setContentLength"); 073 } 074 075 /** 076 * Returns the empty string. The {@link RenderWebResponse} subclass actually provides a 077 * real value here. 078 */ 079 public String getNamespace() 080 { 081 return ""; 082 } 083 084 protected final void unsupported(String methodName) 085 { 086 throw new UnsupportedOperationException(PortletMessages.unsupportedMethod(methodName)); 087 } 088 089 /** Unsupported. */ 090 public void setDateHeader(String string, long date) 091 { 092 unsupported("setDateHeader"); 093 } 094 095 /** Unsupported. */ 096 public void setStatus(int status) 097 { 098 unsupported("setStatus"); 099 } 100 101 /** Unsupported. */ 102 public void setHeader(String name, String value) 103 { 104 unsupported("setHeader"); 105 } 106 107 /** Unsupported. */ 108 public void setIntHeader(String name, int value) 109 { 110 unsupported("setIntHeader"); 111 } 112 113 /** Unsupported. */ 114 public void sendError(int statusCode, String message) throws IOException 115 { 116 unsupported("sendError"); 117 } 118 119 }