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/*
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*
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* holder.
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* 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.
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*
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package org.apache.catalina.connector;
import org.apache.catalina.LogFacade;
import org.apache.catalina.security.SecurityUtil;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.io.PrintWriter;
import java.security.*;
import java.util.Collection;
import java.util.Locale;
import java.util.ResourceBundle;
/**
* Facade class that wraps a Coyote response object.
* All methods are delegated to the wrapped response.
*
* @author Remy Maucherat
* @author Jean-Francois Arcand
* @version $Revision: 1.9 $ $Date: 2007/05/05 05:32:43 $
*/
public class ResponseFacade
implements HttpServletResponse {
private static final ResourceBundle rb = LogFacade.getLogger().getResourceBundle();
// ----------------------------------------------------------- DoPrivileged
private final class SetContentTypePrivilegedAction
implements PrivilegedAction {
private String contentType;
public SetContentTypePrivilegedAction(String contentType){
this.contentType = contentType;
}
public Void run() {
response.setContentType(contentType);
return null;
}
}
// ----------------------------------------------------------- Constructors
/**
* Construct a wrapper for the specified response.
*
* @param response The response to be wrapped
*/
public ResponseFacade(Response response) {
this.response = response;
}
// ----------------------------------------------- Class/Instance Variables
/**
* The wrapped response.
*/
protected Response response = null;
// --------------------------------------------------------- Public Methods
/**
* Prevent cloning the facade.
*/
protected Object clone() throws CloneNotSupportedException {
throw new CloneNotSupportedException();
}
/**
* Clear facade.
*/
public void clear() {
response = null;
}
public void finish() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
response.setSuspended(true);
}
public boolean isFinished() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.isSuspended();
}
// ------------------------------------------------ ServletResponse Methods
public String getCharacterEncoding() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getCharacterEncoding();
}
public ServletOutputStream getOutputStream() throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
// if (isFinished())
// throw new IllegalStateException
// (/*sm.getString("responseFacade.finished")*/);
ServletOutputStream sos = response.getOutputStream();
if (isFinished())
response.setSuspended(true);
return (sos);
}
public PrintWriter getWriter() throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
// if (isFinished())
// throw new IllegalStateException
// (/*sm.getString("responseFacade.finished")*/);
PrintWriter writer = response.getWriter();
if (isFinished())
response.setSuspended(true);
return (writer);
}
public void setContentLength(int len) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setContentLength(len);
}
public void setContentLengthLong(long len) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setContentLengthLong(len);
}
public void setContentType(String type) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
if (SecurityUtil.isPackageProtectionEnabled()){
AccessController.doPrivileged(new SetContentTypePrivilegedAction(type));
} else {
response.setContentType(type);
}
}
public void setBufferSize(int size) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.setBufferSize(size);
}
public int getBufferSize() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getBufferSize();
}
public void flushBuffer() throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isFinished())
// throw new IllegalStateException
// (/*sm.getString("responseFacade.finished")*/);
return;
if (SecurityUtil.isPackageProtectionEnabled()){
try{
AccessController.doPrivileged(
new PrivilegedExceptionAction(){
public Void run() throws IOException{
response.setAppCommitted(true);
response.flushBuffer();
return null;
}
});
} catch(PrivilegedActionException e){
Exception ex = e.getException();
if (ex instanceof IOException){
throw (IOException)ex;
}
}
} else {
response.setAppCommitted(true);
response.flushBuffer();
}
}
public void resetBuffer() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.resetBuffer();
}
public boolean isCommitted() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return (response.isAppCommitted());
}
public void reset() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.reset();
}
public void setLocale(Locale loc) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setLocale(loc);
}
public Locale getLocale() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getLocale();
}
public void addCookie(Cookie cookie) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.addCookie(cookie);
}
public boolean containsHeader(String name) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.containsHeader(name);
}
public String encodeURL(String url) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.encodeURL(url);
}
public String encodeRedirectURL(String url) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.encodeRedirectURL(url);
}
public String encodeUrl(String url) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.encodeURL(url);
}
public String encodeRedirectUrl(String url) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.encodeRedirectURL(url);
}
public void sendError(int sc, String msg) throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.setAppCommitted(true);
response.sendError(sc, msg);
}
public void sendError(int sc) throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.setAppCommitted(true);
response.sendError(sc);
}
public void sendRedirect(String location) throws IOException {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
throw new IllegalStateException
(/*sm.getString("responseBase.reset.ise")*/);
response.setAppCommitted(true);
response.sendRedirect(location);
}
public void setDateHeader(String name, long date) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setDateHeader(name, date);
}
public void addDateHeader(String name, long date) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.addDateHeader(name, date);
}
public void setHeader(String name, String value) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setHeader(name, value);
}
public void addHeader(String name, String value) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.addHeader(name, value);
}
public void setIntHeader(String name, int value) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setIntHeader(name, value);
}
public void addIntHeader(String name, int value) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.addIntHeader(name, value);
}
public void setStatus(int sc) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setStatus(sc);
}
public void setStatus(int sc, String msg) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
if (isCommitted())
return;
response.setStatus(sc, msg);
}
public String getContentType() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getContentType();
}
public void setCharacterEncoding(String arg0) {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
response.setCharacterEncoding(arg0);
}
// START SJSAS 6374990
public int getStatus() {
// Disallow operation if the object has gone out of scope
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getStatus();
}
// END SJSAS 6374990
public String getHeader(String name) {
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getHeader(name);
}
public Collection getHeaders(String name) {
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getHeaders(name);
}
public Collection getHeaderNames() {
if (response == null) {
throw new IllegalStateException(rb.getString(LogFacade.NULL_RESPONSE_OBJECT));
}
return response.getHeaderNames();
}
}
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