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1
22 package org.jboss.jmx.adaptor.html;
23
24 import java.io.IOException  ;
25 import java.util.ArrayList ;
26 import java.util.Enumeration ;
27 import java.util.HashMap ;
28 import java.util.Iterator ;
29 import javax.management.AttributeList ;
30 import javax.management.JMException ;
31 import javax.servlet.RequestDispatcher ;
32 import javax.servlet.ServletConfig ;
33 import javax.servlet.ServletException ;
34 import javax.servlet.http.HttpServlet ;
35 import javax.servlet.http.HttpServletRequest ;
36 import javax.servlet.http.HttpServletResponse ;
37 import javax.servlet.http.HttpSession ;
38
39 import org.jboss.logging.Logger;
40 import org.jboss.jmx.adaptor.control.OpResultInfo;
41 import org.jboss.jmx.adaptor.control.Server;
42 import org.jboss.jmx.adaptor.model.MBeanData;
43
44
49 public class HtmlAdaptorServlet extends HttpServlet
50 {
51 private static Logger log = Logger.getLogger(HtmlAdaptorServlet.class);
52 private static final String ACTION_PARAM = "action";
53 private static final String FILTER_PARAM = "filter";
54 private static final String DISPLAY_MBEANS_ACTION = "displayMBeans";
55 private static final String INSPECT_MBEAN_ACTION = "inspectMBean";
56 private static final String UPDATE_ATTRIBUTES_ACTION = "updateAttributes";
57 private static final String INVOKE_OP_ACTION = "invokeOp";
58 private static final String INVOKE_OP_BY_NAME_ACTION = "invokeOpByName";
59
60
61 public HtmlAdaptorServlet()
62 {
63 }
64
65 public void init(ServletConfig config) throws ServletException
66 {
67 super.init(config);
68 }
69
70 public void destroy()
71 {
72 }
73
74 protected void doGet(HttpServletRequest request, HttpServletResponse response)
75 throws ServletException , IOException
76 {
77 processRequest(request, response);
78 }
79 protected void doPost(HttpServletRequest request, HttpServletResponse response)
80 throws ServletException , IOException
81 {
82 processRequest(request, response);
83 }
84
85 protected void processRequest(HttpServletRequest request, HttpServletResponse response)
86 throws ServletException , IOException
87 {
88 String action = request.getParameter(ACTION_PARAM);
89
90 if( action == null )
91 action = DISPLAY_MBEANS_ACTION;
92
93 if( action.equals(DISPLAY_MBEANS_ACTION) )
94 displayMBeans(request, response);
95 else if( action.equals(INSPECT_MBEAN_ACTION) )
96 inspectMBean(request, response);
97 else if( action.equals(UPDATE_ATTRIBUTES_ACTION) )
98 updateAttributes(request, response);
99 else if( action.equals(INVOKE_OP_ACTION) )
100 invokeOp(request, response);
101 else if( action.equals(INVOKE_OP_BY_NAME_ACTION) )
102 invokeOpByName(request, response);
103 }
104
105
107 private void displayMBeans(HttpServletRequest request, HttpServletResponse response)
108 throws ServletException , IOException
109 {
110 HttpSession session = request.getSession(false);
112 String filter = request.getParameter(FILTER_PARAM);
113
114 if( filter == null && session != null)
115 {
116 filter = (String ) session.getAttribute(FILTER_PARAM);
118 }
119
120 if( filter != null && filter.length() > 0 )
121 {
122 if( filter.charAt(0) == '"' )
124 filter = filter.substring(1);
125 if( filter.charAt(filter.length()-1) == '"')
126 filter = filter.substring(0, filter.length()-2);
127
128 String domain = "*";
130 String props = "*,*";
131
132 int separator = filter.indexOf(':');
133 int assignment = filter.indexOf('=');
134
135 if (separator == -1 && assignment != -1)
136 {
137 props = filter.trim();
139 }
140 else if (separator == -1 && assignment == -1)
141 {
142 domain = filter.trim();
144 }
145 else
146 {
147 domain = filter.substring(0,separator).trim();
149 props = filter.substring(separator+1).trim();
150 }
151
152 if (domain.equals("")) domain = "*";
153
154 if ( props.equals("") ) props = "*,*";
155 if ( props.endsWith("," )) props += "*";
156 if (!props.endsWith(",*")) props += ",*";
157 if ( props.equals("*,*" )) props = "*";
158
159 filter = domain + ":" + props;;
160
161 if (filter.equals("*:*"))
162 filter = "";
163 }
164 else
165 {
166 filter = "";
167 }
168
169 request.setAttribute(FILTER_PARAM, filter);
173
174 if( session != null )
175 {
176 session.setAttribute(FILTER_PARAM, filter);
177 }
178
179 try
180 {
181 Iterator mbeans = Server.getDomainData(filter);
182 request.setAttribute("mbeans", mbeans);
183 RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/displayMBeans.jsp");
184 rd.forward(request, response);
185 }
186 catch(JMException e)
187 {
188 throw new ServletException ("Failed to get MBeans", e);
189 }
190 }
191
192
194 private void inspectMBean(HttpServletRequest request, HttpServletResponse response)
195 throws ServletException , IOException
196 {
197 String name = request.getParameter("name");
198 log.trace("inspectMBean, name="+name);
199 try
200 {
201 MBeanData data = Server.getMBeanData(name);
202 request.setAttribute("mbeanData", data);
203 RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/inspectMBean.jsp");
204 rd.forward(request, response);
205 }
206 catch(JMException e)
207 {
208 throw new ServletException ("Failed to get MBean data", e);
209 }
210 }
211
212
214 private void updateAttributes(HttpServletRequest request, HttpServletResponse response)
215 throws ServletException , IOException
216 {
217 String name = request.getParameter("name");
218 log.trace("updateAttributes, name="+name);
219 Enumeration paramNames = request.getParameterNames();
220 HashMap attributes = new HashMap ();
221 while( paramNames.hasMoreElements() )
222 {
223 String param = (String ) paramNames.nextElement();
224 if( param.equals("name") || param.equals("action") )
225 continue;
226 String value = request.getParameter(param);
227 log.trace("name="+param+", value='"+value+"'");
228 if( value == null || value.length() == 0 )
230 continue;
231 attributes.put(param, value);
232 }
233
234 try
235 {
236 AttributeList newAttributes = Server.setAttributes(name, attributes);
237 MBeanData data = Server.getMBeanData(name);
238 request.setAttribute("mbeanData", data);
239 RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/inspectMBean.jsp");
240 rd.forward(request, response);
241 }
242 catch(JMException e)
243 {
244 throw new ServletException ("Failed to update attributes", e);
245 }
246 }
247
250 private void invokeOp(HttpServletRequest request, HttpServletResponse response)
251 throws ServletException , IOException
252 {
253 String name = request.getParameter("name");
254 log.trace("invokeOp, name="+name);
255 String [] args = getArgs(request);
256 String methodIndex = request.getParameter("methodIndex");
257 if( methodIndex == null || methodIndex.length() == 0 )
258 throw new ServletException ("No methodIndex given in invokeOp form");
259 int index = Integer.parseInt(methodIndex);
260 try
261 {
262 OpResultInfo opResult = Server.invokeOp(name, index, args);
263 request.setAttribute("opResultInfo", opResult);
264 RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/displayOpResult.jsp");
265 rd.forward(request, response);
266 }
267 catch(JMException e)
268 {
269 throw new ServletException ("Failed to invoke operation", e);
270 }
271 }
272
273
275 private void invokeOpByName(HttpServletRequest request, HttpServletResponse response)
276 throws ServletException , IOException
277 {
278 String name = request.getParameter("name");
279 log.trace("invokeOpByName, name="+name);
280 String [] argTypes = request.getParameterValues("argType");
281 String [] args = getArgs(request);
282 String methodName = request.getParameter("methodName");
283 if( methodName == null )
284 throw new ServletException ("No methodName given in invokeOpByName form");
285 try
286 {
287 OpResultInfo opResult = Server.invokeOpByName(name, methodName, argTypes, args);
288 request.setAttribute("opResultInfo", opResult);
289 RequestDispatcher rd = this.getServletContext().getRequestDispatcher("/displayOpResult.jsp");
290 rd.forward(request, response);
291 }
292 catch(JMException e)
293 {
294 throw new ServletException ("Failed to invoke operation", e);
295 }
296 }
297
298
300 private String [] getArgs(HttpServletRequest request)
301 {
302 ArrayList argList = new ArrayList ();
303 for(int i = 0; true ; i++)
304 {
305 String name = "arg" + i;
306 String value = request.getParameter(name);
307 if( value == null )
308 break;
309 argList.add(value);
310 log.trace(name+"="+value);
311 }
312 String [] args = new String [argList.size()];
313 argList.toArray(args);
314 return args;
315 }
316 }
317
318 |
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