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Testatoo Jetty Container with JSP support
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2008 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
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* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
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* Version 2] license." If you don't indicate a single choice of license, a
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* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*
*
* This file incorporates work covered by the following copyright and
* permission notice:
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed 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,
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*/
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
* @since Servlet 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 Servlet 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 Servlet 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();
}
/**
* Checks (recursively) if this ServletResponseWrapper wraps the given
* {@link ServletResponse} instance.
*
* @param wrapped the ServletResponse instance to search for
*
* @return true if this ServletResponseWrapper wraps the
* given ServletResponse instance, false otherwise
*
* @since Servlet 3.0
*/
public boolean isWrapperFor(ServletResponse wrapped) {
if (response == wrapped) {
return true;
} else if (response instanceof ServletResponseWrapper) {
return ((ServletResponseWrapper) response).isWrapperFor(wrapped);
} else {
return false;
}
}
/**
* Checks (recursively) if this ServletResponseWrapper wraps a
* {@link ServletResponse} of the given class type.
*
* @param wrappedType the ServletResponse class type to
* search for
*
* @return true if this ServletResponseWrapper wraps a
* ServletResponse of the given class type, false otherwise
*
* @throws IllegalArgumentException if the given class does not
* implement {@link ServletResponse}
*
* @since Servlet 3.0
*/
public boolean isWrapperFor(Class wrappedType) {
if (!ServletResponse.class.isAssignableFrom(wrappedType)) {
throw new IllegalArgumentException("Given class " +
wrappedType.getName() + " not a subinterface of " +
ServletResponse.class.getName());
}
if (wrappedType.isAssignableFrom(response.getClass())) {
return true;
} else if (response instanceof ServletResponseWrapper) {
return ((ServletResponseWrapper) response).isWrapperFor(wrappedType);
} else {
return false;
}
}
}