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Java > Open Source Codes > org > apache > commons > modeler > ant > ServiceTask


1 /*
2  * Copyright 2000-2002,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.commons.modeler.ant;
18
19 import java.util.ArrayList JavaDoc;
20 import java.util.List JavaDoc;
21
22 import org.apache.commons.logging.Log;
23 import org.apache.commons.logging.LogFactory;
24 import org.apache.commons.modeler.Registry;
25 import org.apache.tools.ant.BuildException;
26 import org.apache.tools.ant.Task;
27
28 /**
29  * Group a set of mbeans in a service, and perform actions on
30  * it.
31  *
32  *
33  */
34 public class ServiceTask extends Task {
35     private static Log log = LogFactory.getLog(ServiceTask.class);
36     List JavaDoc mbeans=new ArrayList JavaDoc();
37     String JavaDoc action;
38     String JavaDoc refId;
39
40     public ServiceTask() {
41     }
42
43     public void addMbean(MLETTask mbean) {
44         mbeans.add(mbean);
45     }
46
47     public List JavaDoc getMbeans() {
48         return mbeans;
49     }
50
51     /** Set action to be executed on the mbean collection.
52      * If null - we'll perform init and start.
53      *
54      * @param action
55      */
56     public void setAction(String JavaDoc action) {
57         this.action=action;
58     }
59
60     /** Perform the action on a previously declared service
61      *
62      */
63     public void setRefId( String JavaDoc ref ) {
64         this.refId=ref;
65     }
66
67     public void execute() throws BuildException {
68         try {
69             Registry reg=Registry.getRegistry();
70
71             if( refId != null ) {
72                 ServiceTask stask=(ServiceTask)project.getReference(refId);
73             }
74             // create the mbeans
75 List JavaDoc onames=new ArrayList JavaDoc();
76
77             for( int i=0; i<mbeans.size(); i++ ) {
78                 MLETTask mbean=(MLETTask)mbeans.get(i);
79                 mbean.execute();
80                 onames.add( mbean.getObjectName());
81             }
82
83             if( action==null ) {
84                 // default: init and start
85 reg.invoke(onames, "init", false);
86                 reg.invoke(onames, "start", false);
87             } else {
88                 reg.invoke(onames, action, false );
89             }
90
91         } catch(Exception JavaDoc ex) {
92             log.error("Error ", ex);
93         }
94     }
95 }
96
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