Source Code Cross Referenced for ServletRegexp.java in  » EJB-Server-resin-3.1.5 » resin » com » caucho » server » dispatch » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » EJB Server resin 3.1.5 » resin » com.caucho.server.dispatch 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Copyright (c) 1998-2008 Caucho Technology -- all rights reserved
003:         *
004:         * This file is part of Resin(R) Open Source
005:         *
006:         * Each copy or derived work must preserve the copyright notice and this
007:         * notice unmodified.
008:         *
009:         * Resin Open Source is free software; you can redistribute it and/or modify
010:         * it under the terms of the GNU General Public License as published by
011:         * the Free Software Foundation; either version 2 of the License, or
012:         * (at your option) any later version.
013:         *
014:         * Resin Open Source is distributed in the hope that it will be useful,
015:         * but WITHOUT ANY WARRANTY; without even the implied warranty of
016:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
017:         * of NON-INFRINGEMENT.  See the GNU General Public License for more
018:         * details.
019:         *
020:         * You should have received a copy of the GNU General Public License
021:         * along with Resin Open Source; if not, write to the
022:         *
023:         *   Free Software Foundation, Inc.
024:         *   59 Temple Place, Suite 330
025:         *   Boston, MA 02111-1307  USA
026:         *
027:         * @author Scott Ferguson
028:         */
029:
030:        package com.caucho.server.dispatch;
031:
032:        import com.caucho.config.program.ConfigProgram;
033:        import com.caucho.config.program.ContainerProgram;
034:        import com.caucho.config.ConfigELContext;
035:        import com.caucho.config.types.RawString;
036:        import com.caucho.el.EL;
037:        import com.caucho.el.MapVariableResolver;
038:        import com.caucho.util.L10N;
039:
040:        import javax.el.ELContext;
041:        import javax.servlet.ServletContext;
042:        import javax.servlet.ServletException;
043:        import java.util.ArrayList;
044:        import java.util.HashMap;
045:
046:        /**
047:         * Configuration for a servlet regexp.
048:         */
049:        public class ServletRegexp {
050:            private static final L10N L = new L10N(ServletRegexp.class);
051:
052:            private String _urlRegexp;
053:
054:            private String _servletName;
055:            private String _servletClassName;
056:
057:            // The configuration program
058:            private ContainerProgram _program = new ContainerProgram();
059:
060:            /**
061:             * Creates a new servlet regexp object.
062:             */
063:            public ServletRegexp() {
064:            }
065:
066:            /**
067:             * Sets the url regexp
068:             */
069:            public void setURLRegexp(String pattern) {
070:                _urlRegexp = pattern;
071:            }
072:
073:            /**
074:             * Gets the url regexp
075:             */
076:            public String getURLRegexp() {
077:                return _urlRegexp;
078:            }
079:
080:            /**
081:             * Sets the servlet name.
082:             */
083:            public void setServletName(RawString string) {
084:                _servletName = string.getValue();
085:            }
086:
087:            /**
088:             * Sets the servlet name.
089:             */
090:            public String getServletName() {
091:                return _servletName;
092:            }
093:
094:            /**
095:             * Sets the servlet class name.
096:             */
097:            public void setServletClass(RawString string) {
098:                _servletClassName = string.getValue();
099:            }
100:
101:            /**
102:             * Gets the servlet class name.
103:             */
104:            public String getServletClass() {
105:                return _servletClassName;
106:            }
107:
108:            /**
109:             * Adds to the builder program.
110:             */
111:            public void addBuilderProgram(ConfigProgram program) {
112:                _program.addProgram(program);
113:            }
114:
115:            /**
116:             * Returns the program.
117:             */
118:            public ContainerProgram getBuilderProgram() {
119:                return _program;
120:            }
121:
122:            /**
123:             * Initialize for a regexp.
124:             */
125:            String initRegexp(ServletContext application,
126:                    ServletManager manager, ArrayList<String> vars)
127:                    throws ServletException {
128:                ELContext env = EL.getEnvironment();
129:
130:                HashMap<String, Object> map = new HashMap<String, Object>();
131:                map.put("regexp", vars);
132:
133:                ELContext mapEnv = new ConfigELContext(new MapVariableResolver(
134:                        map));
135:
136:                String rawName = _servletName;
137:                String rawClassName = _servletClassName;
138:
139:                if (rawName == null)
140:                    rawName = rawClassName;
141:
142:                try {
143:                    String servletName = EL.evalString(rawName, mapEnv);
144:
145:                    if (manager.getServletConfig(servletName) != null)
146:                        return servletName;
147:
148:                    String className = EL.evalString(rawClassName, mapEnv);
149:
150:                    ServletConfigImpl config = new ServletConfigImpl();
151:
152:                    config.setServletName(servletName);
153:                    config.setServletClass(className);
154:                    config.setServletContext(application);
155:
156:                    _program.configure(config);
157:
158:                    config.init();
159:
160:                    manager.addServlet(config);
161:
162:                    return servletName;
163:                } catch (RuntimeException e) {
164:                    throw e;
165:                } catch (ServletException e) {
166:                    throw e;
167:                } catch (Exception e) {
168:                    throw new ServletException(e);
169:                }
170:            }
171:
172:            /**
173:             * Returns a printable representation of the servlet config object.
174:             */
175:            public String toString() {
176:                return "ServletRegexp[" + _urlRegexp + "]";
177:            }
178:        }
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