Coverage report

| %line | %branch
--- | --- | ---
org.apache.commons.jelly.tags.core.InvokeTag |
86% |
100% |

1 |  |
     /*
2 |  |
      * Copyright 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 |  |
     package org.apache.commons.jelly.tags.core;
17 |  |
18 |  |
     import java.lang.reflect.InvocationTargetException;
19 |  |
     import java.util.ArrayList;
20 |  |
     import java.util.List;
21 |  |
22 |  |
     import org.apache.commons.beanutils.MethodUtils;
23 |  |
     import org.apache.commons.jelly.JellyTagException;
24 |  |
     import org.apache.commons.jelly.MissingAttributeException;
25 |  |
     import org.apache.commons.jelly.TagSupport;
26 |  |
     import org.apache.commons.jelly.XMLOutput;
27 |  |
28 |  |
     /**
29 |  |
       * A tag which calls a method in an object instantied by core:new
30 |  |
       *
31 |  |
       *
32 |  |
       * @author Rodney Waldhoff
33 |  |
       * @version $Revision: 155420 $
34 |  |
       */
35 |  |
     public class InvokeTag extends TagSupport implements ArgTagParent {
36 |  |
37 |  |
         /** the variable exported */
38 |  |
         private String var;
39 |  |
40 |  |
         /** the variable where the method's exception is exported */
41 |  |
         private String exceptionVar;
42 |  |
43 |  |
         /** the method to invoke */
44 |  |
         private String methodName;
45 |  |
46 |  |
         /** the object to invoke the method on */
47 |  |
         private Object onInstance;
48 |  |
49 | 221 |
         private List paramTypes = new ArrayList();
50 | 221 |
         private List paramValues = new ArrayList();
51 |  |
52 | 221 |
         public InvokeTag() {
53 | 221 |
         }
54 |  |
55 |  |
         /** Sets the name of the variable exported by this tag */
56 |  |
         public void setVar(String var) {
57 | 26 |
             this.var = class="keyword">var;
58 | 26 |
         }
59 |  |
60 |  |
         /** Sets the name of a variable that exports the exception thrown by
61 |  |
          * the method's invocation (if any)
62 |  |
          */
63 |  |
         public void setExceptionVar(String var) {
64 | 13 |
             this.exceptionVar = var;
65 | 13 |
         }
66 |  |
67 |  |
         public void setMethod(String method) {
68 | 221 |
             this.methodName = method;
69 | 221 |
         }
70 |  |
71 |  |
         public void setOn(Object instance) {
72 | 221 |
             this.onInstance = instance;
73 | 221 |
         }
74 |  |
75 |  |
         public void addArgument(Class type, Object value) {
76 | 208 |
             paramTypes.add(type);
77 | 208 |
             paramValues.add(value);
78 | 208 |
         }
79 |  |
80 |  |
         // Tag interface
81 |  |
         //-------------------------------------------------------------------------
82 |  |
         public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
83 | 221 |
             if ( null == methodName) {
84 | 0 |
                 throw new MissingAttributeException( "method" );
85 |  |
             }
86 | 221 |
             if ( null == onInstance ) {
87 | 0 |
                 throw new MissingAttributeException( "on" );
88 |  |
             }
89 |  |
90 | 221 |
             invokeBody(output);
91 |  |
92 | 221 |
             Object[] values = paramValues.toArray();
93 | 221 |
             Class[] types = (Class[])(paramTypes.toArray(new Class[paramTypes.size()]));
94 |  |
95 | 221 |
             Object result = null;
96 |  |
             try {
97 | 221 |
                 result = MethodUtils.invokeMethod(onInstance,methodName,values,types);
98 |  |
             }
99 | 0 |
             catch (NoSuchMethodException e) {
100 | 0 |
                 throw new JellyTagException(e);
101 |  |
             }
102 | 0 |
             catch (IllegalAccessException e) {
103 | 0 |
                 throw new JellyTagException(e);
104 |  |
             }
105 | 26 |
             catch (InvocationTargetException e) {
106 | 26 |
                 if(null != exceptionVar) {
107 | 13 |
                     context.setVariable(exceptionVar,e.getTargetException());
108 | 13 |
                 } else {
109 | 13 |
                     throw new JellyTagException("method " + methodName +
110 |  |
                         " threw exception: "+ e.getTargetException().getMessage(),
111 |  |
                         e.getTargetException() );
112 |  |
                 }
113 |  |
             }
114 |  |
             finally {
115 | 221 |
                 paramTypes.clear();
116 | 221 |
                 paramValues.clear();
117 | 221 |
             }
118 |  |
119 | 221 |
             ArgTag parentArg = (ArgTag)(findAncestorWithClass(ArgTag.class));
120 | 208 |
             if(null != parentArg) {
121 | 52 |
                 parentArg.setValue(result);
122 |  |
             }
123 | 208 |
             if(null != var) {
124 | 26 |
                 context.setVariable(var, result);
125 |  |
             }
126 | 208 |
         }
127 |  |
     }

This report is generated by jcoverage, Maven and Maven JCoverage Plugin.