001 //$HeadURL: svn+ssh://jwilden@svn.wald.intevation.org/deegree/base/branches/2.5_testing/src/org/deegree/enterprise/control/ajax/WebEvent.java $
002 /*---------------- FILE HEADER ------------------------------------------
003
004 This file is part of deegree.
005 Copyright (C) 2001-2008 by:
006 EXSE, Department of Geography, University of Bonn
007 http://www.giub.uni-bonn.de/deegree/
008 lat/lon GmbH
009 http://www.lat-lon.de
010
011 This library is free software; you can redistribute it and/or
012 modify it under the terms of the GNU Lesser General Public
013 License as published by the Free Software Foundation; either
014 version 2.1 of the License, or (at your option) any later version.
015
016 This library is distributed in the hope that it will be useful,
017 but WITHOUT ANY WARRANTY; without even the implied warranty of
018 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
019 Lesser General Public License for more details.
020
021 You should have received a copy of the GNU Lesser General Public
022 License along with this library; if not, write to the Free Software
023 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
024
025 Contact:
026
027 Andreas Poth
028 lat/lon GmbH
029 Aennchenstr. 19
030 53115 Bonn
031 Germany
032 E-Mail: poth@lat-lon.de
033
034 Prof. Dr. Klaus Greve
035 Department of Geography
036 University of Bonn
037 Meckenheimer Allee 166
038 53115 Bonn
039 Germany
040 E-Mail: greve@giub.uni-bonn.de
041
042
043 ---------------------------------------------------------------------------*/
044
045 // $Id: WebEvent.java 21672 2009-12-29 08:44:20Z apoth $
046 package org.deegree.enterprise.control.ajax;
047
048 // JDK 1.3
049 import java.lang.reflect.Method;
050 import java.lang.reflect.Type;
051 import java.util.EventObject;
052 import java.util.Map;
053
054 import javax.servlet.ServletContext;
055 import javax.servlet.http.HttpServletRequest;
056 import javax.servlet.http.HttpSession;
057
058 import org.deegree.framework.util.KVP2Map;
059
060 /**
061 *
062 * @author <a href="mailto:poth@lat-lon.de">Andreas Poth</a>
063 *
064 * @version $Revision: 21672 $
065 */
066 public class WebEvent extends EventObject {
067 /**
068 *
069 */
070 private static final long serialVersionUID = 706936738051288390L;
071
072 private ServletContext servletContext;
073
074 protected String bean;
075
076 private Map<String,String> param;
077
078 /**
079 * Creates a new WebEvent object.
080 *
081 * @param servletContext
082 * @param request
083 * @param bean
084 */
085 WebEvent( ServletContext servletContext, HttpServletRequest request, String bean ) {
086 super( request );
087 this.bean = bean;
088 this.servletContext = servletContext;
089 param = KVP2Map.toMap( this._getRequest() );
090 }
091
092 /**
093 * @return the parameters
094 */
095 @SuppressWarnings("unchecked")
096 public Map getParameter() {
097 return param;
098 }
099
100 /**
101 * @return the document path
102 */
103 public String getDocumentPath() {
104 return this._getRequest().getRequestURI();
105 }
106
107 /**
108 * @return the request user
109 */
110 public RequestUser getRequestUser() {
111 return this._getRequestUser( this._getRequest() );
112 }
113
114 /**
115 *
116 * @return requests character encoding
117 */
118 public String getCharacterEncoding() {
119 return _getRequest().getCharacterEncoding();
120 }
121
122 /**
123 *
124 * @return session assigned to event
125 */
126 public HttpSession getSession() {
127 return _getRequest().getSession();
128 }
129
130 /**
131 *
132 * @param relativePath
133 * @return absolute path based on servlet context
134 */
135 public String getAbsolutePath( String relativePath ) {
136 return servletContext.getRealPath( relativePath );
137 }
138
139 /**
140 *
141 * @return request parameter mapped to a bean class
142 */
143 public Object getAsBean() throws Exception {
144 Map<String,String> param = KVP2Map.toMap( this._getRequest() );
145 Class<?> clzz = Class.forName( bean );
146 Object bean = clzz.newInstance();
147 Method[] methods = clzz.getMethods();
148 for ( Method method : methods ) {
149 if ( method.getName().startsWith( "set" ) ) {
150 String var = method.getName().substring( 3, method.getName().length() );
151 Object val = param.get( var.toUpperCase() );
152 Type type = method.getGenericParameterTypes()[0];
153 method.invoke( bean, ((Class<?>)type).cast( val ) );
154 }
155 }
156 return bean;
157 }
158
159
160 @Override
161 public String toString() {
162 return this.getClass().getName().concat( " [ " ).concat( getDocumentPath() ).concat( " ]" );
163 }
164
165 private RequestUser _getRequestUser( HttpServletRequest request ) {
166 return new RequestUser( request );
167 }
168
169 private HttpServletRequest _getRequest() {
170 return (HttpServletRequest) getSource();
171 }
172
173 }