/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2010 Oracle and/or its affiliates. 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_1_1.html
* or packager/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 packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* 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,
* 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 com.sun.grizzly.util.http;
import java.io.*;
import java.net.*;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.text.*;
/**
* Handle (internationalized) HTTP messages.
*
* @author James Duncan Davidson [duncan@eng.sun.com]
* @author James Todd [gonzo@eng.sun.com]
* @author Jason Hunter [jch@eng.sun.com]
* @author Harish Prabandham
* @author costin@eng.sun.com
*/
public class HttpMessages {
private static final String STATUS_100 = "Continue";
private static final String STATUS_101 = "Switching Protocols";
private static final String STATUS_200 = "OK";
private static final String STATUS_201 = "Created";
private static final String STATUS_202 = "Accepted";
private static final String STATUS_203 = "Non-Authoritative Information";
private static final String STATUS_204 = "No Content";
private static final String STATUS_205 = "Reset Content";
private static final String STATUS_206 = "Partial Content";
private static final String STATUS_207 = "Multi-Status";
private static final String STATUS_300 = "Multiple Choices";
private static final String STATUS_301 = "Moved Permanently";
private static final String STATUS_302 = "Moved Temporarily";
private static final String STATUS_303 = "See Other";
private static final String STATUS_304 = "Not Modified";
private static final String STATUS_305 = "Use Proxy";
private static final String STATUS_307 = "Temporary Redirect";
private static final String STATUS_400 = "Bad Request";
private static final String STATUS_401 = "Unauthorized";
private static final String STATUS_402 = "Payment Required";
private static final String STATUS_403 = "Forbidden";
private static final String STATUS_404 = "Not Found";
private static final String STATUS_405 = "Method Not Allowed";
private static final String STATUS_406 = "Not Acceptable";
private static final String STATUS_407 = "Proxy Authentication Required";
private static final String STATUS_408 = "Request Timeout";
private static final String STATUS_409 = "Conflict";
private static final String STATUS_410 = "Gone";
private static final String STATUS_411 = "Length Required";
private static final String STATUS_412 = "Precondition Failed";
private static final String STATUS_413 = "Request Entity Too Large";
private static final String STATUS_414 = "Request-URI Too Long";
private static final String STATUS_415 = "Unsupported Media Type";
private static final String STATUS_416 = "Requested Range Not Satisfiable";
private static final String STATUS_417 = "Expectation Failed";
private static final String STATUS_422 = "Unprocessable Entity";
private static final String STATUS_423 = "Locked";
private static final String STATUS_424 = "Failed Dependency";
private static final String STATUS_500 = "Internal Server Error";
private static final String STATUS_501 = "Not Implemented";
private static final String STATUS_502 = "Bad Gateway";
private static final String STATUS_503 = "Service Unavailable";
private static final String STATUS_504 = "Gateway Timeout";
private static final String STATUS_505 = "HTTP Version Not Supported";
private static final String STATUS_507 = "Insufficient Storage";
private static final ConcurrentHashMap<String, String> httpStatusCodeMappings =
new ConcurrentHashMap<String, String>();
static {
httpStatusCodeMappings.put("sc.100", STATUS_100);
httpStatusCodeMappings.put("sc.101", STATUS_101);
httpStatusCodeMappings.put("sc.200", STATUS_200);
httpStatusCodeMappings.put("sc.201", STATUS_201);
httpStatusCodeMappings.put("sc.202", STATUS_202);
httpStatusCodeMappings.put("sc.203", STATUS_203);
httpStatusCodeMappings.put("sc.204", STATUS_204);
httpStatusCodeMappings.put("sc.205", STATUS_205);
httpStatusCodeMappings.put("sc.206", STATUS_206);
httpStatusCodeMappings.put("sc.207", STATUS_207);
httpStatusCodeMappings.put("sc.300", STATUS_300);
httpStatusCodeMappings.put("sc.301", STATUS_301);
httpStatusCodeMappings.put("sc.302", STATUS_302);
httpStatusCodeMappings.put("sc.303", STATUS_303);
httpStatusCodeMappings.put("sc.304", STATUS_304);
httpStatusCodeMappings.put("sc.305", STATUS_305);
httpStatusCodeMappings.put("sc.307", STATUS_307);
httpStatusCodeMappings.put("sc.400", STATUS_400);
httpStatusCodeMappings.put("sc.401", STATUS_401);
httpStatusCodeMappings.put("sc.402", STATUS_402);
httpStatusCodeMappings.put("sc.403", STATUS_403);
httpStatusCodeMappings.put("sc.404", STATUS_404);
httpStatusCodeMappings.put("sc.405", STATUS_405);
httpStatusCodeMappings.put("sc.406", STATUS_406);
httpStatusCodeMappings.put("sc.407", STATUS_407);
httpStatusCodeMappings.put("sc.408", STATUS_408);
httpStatusCodeMappings.put("sc.409", STATUS_409);
httpStatusCodeMappings.put("sc.410", STATUS_410);
httpStatusCodeMappings.put("sc.411", STATUS_411);
httpStatusCodeMappings.put("sc.412", STATUS_412);
httpStatusCodeMappings.put("sc.413", STATUS_413);
httpStatusCodeMappings.put("sc.414", STATUS_414);
httpStatusCodeMappings.put("sc.415", STATUS_415);
httpStatusCodeMappings.put("sc.416", STATUS_416);
httpStatusCodeMappings.put("sc.417", STATUS_417);
httpStatusCodeMappings.put("sc.422", STATUS_422);
httpStatusCodeMappings.put("sc.423", STATUS_423);
httpStatusCodeMappings.put("sc.424", STATUS_424);
httpStatusCodeMappings.put("sc.500", STATUS_500);
httpStatusCodeMappings.put("sc.501", STATUS_501);
httpStatusCodeMappings.put("sc.502", STATUS_502);
httpStatusCodeMappings.put("sc.503", STATUS_503);
httpStatusCodeMappings.put("sc.504", STATUS_504);
httpStatusCodeMappings.put("sc.505", STATUS_505);
httpStatusCodeMappings.put("sc.507", STATUS_507);
}
/** Get the status string associated with a status code.
* No I18N - return the messages defined in the HTTP spec.
* ( the user isn't supposed to see them, this is the last
* thing to translate)
*
* Common messages are cached.
*
*/
public static String getMessage( int status ) {
// Return the status message for the most frequently used status
// codes directly, without any lookup
switch (status) {
case 200: return STATUS_200;
case 302: return STATUS_302;
case 400: return STATUS_400;
case 404: return STATUS_404;
}
return httpStatusCodeMappings.get("sc."+ status);
}
/**
* Filter the specified message string for characters that are sensitive
* in HTML. This avoids potential attacks caused by including JavaScript
* codes in the request URL that is often reported in error messages.
*
* @param message The message string to be filtered
*/
public static String filter(String message) {
if (message == null)
return (null);
char content[] = new char[message.length()];
message.getChars(0, message.length(), content, 0);
StringBuilder result = new StringBuilder(content.length + 50);
for (int i = 0; i < content.length; i++) {
switch (content[i]) {
case '<':
result.append("<");
break;
case '>':
result.append(">");
break;
case '&':
result.append("&");
break;
case '"':
result.append(""");
break;
default:
result.append(content[i]);
}
}
return (result.toString());
}
}