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Java > Open Source Codes > com > sun > cli > jmx > util > InvokeHelper


1 /*
2  * The contents of this file are subject to the terms
3  * of the Common Development and Distribution License
4  * (the License). You may not use this file except in
5  * compliance with the License.
6  *
7  * You can obtain a copy of the license at
8  * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9  * glassfish/bootstrap/legal/CDDLv1.0.txt.
10  * See the License for the specific language governing
11  * permissions and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL
14  * Header Notice in each file and include the License file
15  * at glassfish/bootstrap/legal/CDDLv1.0.txt.
16  * If applicable, add the following below the CDDL Header,
17  * with the fields enclosed by brackets [] replaced by
18  * you own identifying information:
19  * "Portions Copyrighted [year] [name of copyright owner]"
20  *
21  * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22  */
23  
24 /*
25  * $Header: /cvs/glassfish/admin-cli/cli-api/src/java/com/sun/cli/jmx/util/InvokeHelper.java,v 1.3 2005/12/25 03:45:54 tcfujii Exp $
26  * $Revision: 1.3 $
27  * $Date: 2005/12/25 03:45:54 $
28  */
29  
30
31 package com.sun.cli.jmx.util;
32
33 import java.lang.reflect.Array JavaDoc;
34 import java.lang.reflect.Method JavaDoc;
35 import java.lang.reflect.InvocationTargetException JavaDoc;
36
37 import com.sun.cli.util.ClassUtil;
38
39
40
41 public class InvokeHelper
42 {
43     final Object JavaDoc mTarget;
44     
45         public
46     InvokeHelper( Object JavaDoc target )
47     {
48         mTarget = target;
49     }
50     
51         static public Class JavaDoc []
52     StringsToClasses( String JavaDoc [] signature )
53         throws ClassNotFoundException JavaDoc
54     {
55         final int count = Array.getLength( signature );
56         
57         Class JavaDoc [] classes = new Class JavaDoc [ count ];
58         
59         for( int i = 0; i < count; ++i )
60         {
61             classes[ i ] = ClassUtil.getClassFromName( signature[ i ] );
62         }
63         
64         return( classes );
65     }
66     
67         public Object JavaDoc
68     invoke(
69         String JavaDoc name,
70         Object JavaDoc params[],
71         String JavaDoc signature[] )
72         throws NoSuchMethodException JavaDoc, ClassNotFoundException JavaDoc,
73                 InvocationTargetException JavaDoc, IllegalAccessException JavaDoc
74     {
75         Object JavaDoc result = null;
76         
77         final Class JavaDoc [] signatureClasses = StringsToClasses( signature );
78         
79         final Method JavaDoc method = mTarget.getClass().getDeclaredMethod( name, signatureClasses );
80         
81         result = method.invoke( mTarget, params );
82         
83         return( result );
84     }
85 }
86
87
88
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