Source Code Cross Referenced for ScopedResponse.java in  » Library » Apache-beehive-1.0.2-src » org » apache » beehive » netui » pageflow » scoping » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Library » Apache beehive 1.0.2 src » org.apache.beehive.netui.pageflow.scoping 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Licensed to the Apache Software Foundation (ASF) under one or more
003:         * contributor license agreements.  See the NOTICE file distributed with
004:         * this work for additional information regarding copyright ownership.
005:         * The ASF licenses this file to You under the Apache License, Version 2.0
006:         * (the "License"); you may not use this file except in compliance with
007:         * the License.  You may obtain a copy of the License at
008:         * 
009:         *     http://www.apache.org/licenses/LICENSE-2.0
010:         * 
011:         * Unless required by applicable law or agreed to in writing, software
012:         * distributed under the License is distributed on an "AS IS" BASIS,
013:         * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014:         * See the License for the specific language governing permissions and
015:         * limitations under the License.
016:         *
017:         * $Header:$
018:         */
019:        package org.apache.beehive.netui.pageflow.scoping;
020:
021:        import javax.servlet.http.HttpServletResponse;
022:        import javax.servlet.http.Cookie;
023:        import java.util.List;
024:        import java.util.Map;
025:        import java.io.IOException;
026:
027:        /**
028:         * A wrapper around HttpServletResponse, associated with a given scope-key.  Delegates to the wrapped
029:         * response object for some functionality, but prevents output or error codes or forwards from actually
030:         * happening.
031:         */
032:        public interface ScopedResponse extends HttpServletResponse {
033:            /**
034:             * Get a cookie that was added to the response.
035:             */
036:            public Cookie getCookie(String cookieName);
037:
038:            /**
039:             * Get all Cookies that were added to the response.
040:             */
041:            public Cookie[] getCookies();
042:
043:            /**
044:             * Get all headers.
045:             *
046:             * @return a Map of header-name (String) -> headers (List).
047:             */
048:            public Map getHeaders();
049:
050:            /**
051:             * Get all headers with the given name.
052:             * 
053:             * @return a List of headers (String, Integer, Date), or <code>null</code> if none are found.
054:             */
055:            public List getHeaders(String name);
056:
057:            /**
058:             * Get the first header with the given name.
059:             * @return an Object (String, Integer, Date) that is the first header with the given name,
060:             *         or <code>null</code> if none is found.
061:             */
062:            public Object getFirstHeader(String name);
063:
064:            public HttpServletResponse getOuterResponse();
065:
066:            /**
067:             * Tell whether the response is in error.
068:             * 
069:             * @return <code>true</code> if {@link #sendError(int,String)} or {@link #sendError(int)} was called.
070:             */
071:            public boolean isError();
072:
073:            /**
074:             * Get the status code on the response.
075:             * 
076:             * @return the status code, set by {@link #setStatus(int)}, {@link #sendError(int,String)}, or
077:             *         {@link #sendError(int)}; -1 if no status was set explicitly.
078:             */
079:            public int getStatusCode();
080:
081:            /**
082:             * Get the status message on the response.
083:             * 
084:             * @return the status code, set by {@link #sendError(int,String)}, or <code>null</code> if none was set.
085:             */
086:            public String getStatusMessage();
087:
088:            /**
089:             * Tell whether a browser redirect was sent.
090:             * 
091:             * @return <code>true</code> if {@link #sendRedirect} was called.
092:             */
093:            public boolean didRedirect();
094:
095:            /**
096:             * Get the redirect URI.
097:             * 
098:             * @return the URI passed to {@link #sendRedirect}, or <code>null</code> if there was no redirect.
099:             */
100:            public String getRedirectURI();
101:
102:            /**
103:             * Actually send the redirect that was suggested by {@link #sendRedirect}.
104:             * 
105:             * @throws IllegalStateException if {@link #sendRedirect} was not called.
106:             * @throws IOException if {@link HttpServletResponse#sendRedirect} causes an IOException.
107:             */
108:            public void applyRedirect() throws IOException;
109:        }
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