| /* |
| * 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 javax.servlet; |
| |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.Locale; |
| |
| /** |
| * |
| * Provides a convenient implementation of the ServletResponse interface that |
| * can be subclassed by developers wishing to adapt the response from a Servlet. |
| * This class implements the Wrapper or Decorator pattern. Methods default to |
| * calling through to the wrapped response object. |
| * |
| * @author Various |
| * @version $Version$ |
| * @since v 2.3 |
| * |
| * @see javax.servlet.ServletResponse |
| * |
| */ |
| |
| |
| public class ServletResponseWrapper implements ServletResponse { |
| private ServletResponse response; |
| /** |
| * Creates a ServletResponse adaptor wrapping the given response object. |
| * @throws java.lang.IllegalArgumentException if the response is null. |
| */ |
| |
| |
| public ServletResponseWrapper(ServletResponse response) { |
| if (response == null) { |
| throw new IllegalArgumentException("Response cannot be null"); |
| } |
| this.response = response; |
| } |
| |
| /** |
| * Return the wrapped ServletResponse object. |
| */ |
| |
| public ServletResponse getResponse() { |
| return this.response; |
| } |
| |
| |
| /** |
| * Sets the response being wrapped. |
| * @throws java.lang.IllegalArgumentException if the response is null. |
| */ |
| |
| public void setResponse(ServletResponse response) { |
| if (response == null) { |
| throw new IllegalArgumentException("Response cannot be null"); |
| } |
| this.response = response; |
| } |
| |
| /** |
| * The default behavior of this method is to call setCharacterEncoding(String charset) |
| * on the wrapped response object. |
| * |
| * @since 2.4 |
| */ |
| |
| public void setCharacterEncoding(String charset) { |
| this.response.setCharacterEncoding(charset); |
| } |
| |
| /** |
| * The default behavior of this method is to return getCharacterEncoding() |
| * on the wrapped response object. |
| */ |
| |
| public String getCharacterEncoding() { |
| return this.response.getCharacterEncoding(); |
| } |
| |
| |
| /** |
| * The default behavior of this method is to return getOutputStream() |
| * on the wrapped response object. |
| */ |
| |
| public ServletOutputStream getOutputStream() throws IOException { |
| return this.response.getOutputStream(); |
| } |
| |
| /** |
| * The default behavior of this method is to return getWriter() |
| * on the wrapped response object. |
| */ |
| |
| |
| public PrintWriter getWriter() throws IOException { |
| return this.response.getWriter(); |
| } |
| |
| /** |
| * The default behavior of this method is to call setContentLength(int len) |
| * on the wrapped response object. |
| */ |
| |
| public void setContentLength(int len) { |
| this.response.setContentLength(len); |
| } |
| |
| /** |
| * The default behavior of this method is to call setContentType(String type) |
| * on the wrapped response object. |
| */ |
| |
| public void setContentType(String type) { |
| this.response.setContentType(type); |
| } |
| |
| /** |
| * The default behavior of this method is to return getContentType() |
| * on the wrapped response object. |
| * |
| * @since 2.4 |
| */ |
| |
| public String getContentType() { |
| return this.response.getContentType(); |
| } |
| |
| /** |
| * The default behavior of this method is to call setBufferSize(int size) |
| * on the wrapped response object. |
| */ |
| public void setBufferSize(int size) { |
| this.response.setBufferSize(size); |
| } |
| |
| /** |
| * The default behavior of this method is to return getBufferSize() |
| * on the wrapped response object. |
| */ |
| public int getBufferSize() { |
| return this.response.getBufferSize(); |
| } |
| |
| /** |
| * The default behavior of this method is to call flushBuffer() |
| * on the wrapped response object. |
| */ |
| |
| public void flushBuffer() throws IOException { |
| this.response.flushBuffer(); |
| } |
| |
| /** |
| * The default behavior of this method is to return isCommitted() |
| * on the wrapped response object. |
| */ |
| public boolean isCommitted() { |
| return this.response.isCommitted(); |
| } |
| |
| /** |
| * The default behavior of this method is to call reset() |
| * on the wrapped response object. |
| */ |
| |
| public void reset() { |
| this.response.reset(); |
| } |
| |
| /** |
| * The default behavior of this method is to call resetBuffer() |
| * on the wrapped response object. |
| */ |
| |
| public void resetBuffer() { |
| this.response.resetBuffer(); |
| } |
| |
| /** |
| * The default behavior of this method is to call setLocale(Locale loc) |
| * on the wrapped response object. |
| */ |
| |
| public void setLocale(Locale loc) { |
| this.response.setLocale(loc); |
| } |
| |
| /** |
| * The default behavior of this method is to return getLocale() |
| * on the wrapped response object. |
| */ |
| public Locale getLocale() { |
| return this.response.getLocale(); |
| } |
| |
| |
| } |
| |
| |
| |
| |
| |