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1
29
30 package com.caucho.server.dispatch;
31
32 import com.caucho.log.Log;
33 import com.caucho.util.L10N;
34
35 import javax.annotation.PostConstruct;
36 import javax.servlet.FilterChain  ;
37 import javax.servlet.Servlet ;
38 import javax.servlet.ServletException ;
39 import java.util.ArrayList ;
40 import java.util.HashMap ;
41 import java.util.logging.Level ;
42 import java.util.logging.Logger ;
43
44
47 public class ServletManager {
48 static final Logger log = Log.open(ServletManager.class);
49 static final L10N L = new L10N(ServletManager.class);
50
51 private HashMap <String ,ServletConfigImpl> _servlets
52 = new HashMap <String ,ServletConfigImpl>();
53
54 private ArrayList <ServletConfigImpl> _servletList
55 = new ArrayList <ServletConfigImpl>();
56
57 private ArrayList <ServletConfigImpl> _cronList
58 = new ArrayList <ServletConfigImpl>();
59
60 private boolean _isLazyValidate;
61
62
65 public void setLazyValidate(boolean isLazy)
66 {
67 _isLazyValidate = isLazy;
68 }
69
70
73 public void addServlet(ServletConfigImpl config)
74 throws ServletException
75 {
76 if (config.getServletContext() == null)
77 throw new NullPointerException ();
78
79 config.setServletManager(this);
80
81 synchronized (_servlets) {
82 if (_servlets.get(config.getServletName()) != null) {
83 for (int i = _servletList.size() - 1; i >= 0; i--) {
84 ServletConfigImpl oldConfig = _servletList.get(i);
85
86 if (config.getServletName().equals(oldConfig.getServletName())) {
87 _servletList.remove(i);
88 break;
89 }
90 }
91
92
96 }
97
98 config.validateClass(! _isLazyValidate);
99
100 _servlets.put(config.getServletName(), config);
101 _servletList.add(config);
102 }
103 }
104
105
108 public ServletConfigImpl getServlet(String servletName)
109 {
110 return _servlets.get(servletName);
111 }
112
113
116 @PostConstruct
117 public void init()
118 throws ServletException
119 {
120 ArrayList <ServletConfigImpl> loadOnStartup;
121 loadOnStartup = new ArrayList <ServletConfigImpl>();
122
123 for (int j = 0; j < _servletList.size(); j++) {
124 ServletConfigImpl config = _servletList.get(j);
125
126 if (config.getLoadOnStartup() == Integer.MIN_VALUE)
127 continue;
128
129 int i = 0;
130 for (; i < loadOnStartup.size(); i++) {
131 ServletConfigImpl config2 = loadOnStartup.get(i);
132
133 if (config.getLoadOnStartup() < config2.getLoadOnStartup()) {
134 loadOnStartup.add(i, config);
135 break;
136 }
137 }
138
139 if (i == loadOnStartup.size())
140 loadOnStartup.add(config);
141
142 if (config.getRunAt() != null)
143 _cronList.add(config);
144 }
145
146 for (int i = 0; i < loadOnStartup.size(); i++) {
147 ServletConfigImpl config = loadOnStartup.get(i);
148
149 try {
150 config.createServlet(false);
151 } catch (ServletException e) {
152 log.log(Level.WARNING, e.toString(), e);
153
154 if (config.getJspFile() == null)
156 throw e;
157 }
158 }
159 }
160
161
164 public FilterChain createServletChain(String servletName)
165 throws ServletException
166 {
167 ServletConfigImpl config = _servlets.get(servletName);
168
169 if (config == null) {
170 throw new ServletConfigException(L.l("'{0}' is not a known servlet. Servlets must be defined by <servlet> before being used.", servletName));
171 }
172
173 return config.createServletChain();
174 }
175
176
183 public Servlet createServlet(String servletName)
184 throws ServletException
185 {
186 ServletConfigImpl config = _servlets.get(servletName);
187
188 if (config == null) {
189 throw new ServletException (L.l("'{0}' is not a known servlet. Servlets must be defined by <servlet> before being used.", servletName));
190 }
191
192 return (Servlet ) config.createServlet(false);
193 }
194
195
198 ServletConfigImpl getServletConfig(String servletName)
199 {
200 return _servlets.get(servletName);
201 }
202
203 public void destroy()
204 {
205 ArrayList <ServletConfigImpl> servletList;
206 servletList = new ArrayList <ServletConfigImpl>();
207
208 if (_servletList != null) {
209 synchronized (_servletList) {
210 servletList.addAll(_servletList);
211 }
212 }
213
214 for (int i = 0; i < servletList.size(); i++) {
215 ServletConfigImpl config = servletList.get(i);
216
217 try {
218 config.close();
219 } catch (Throwable e) {
220 log.log(Level.FINE, e.toString(), e);
221 }
222 }
223 }
224 }
225 |
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