Coverage report

  %line %branch
org.apache.commons.jelly.tags.core.NewTag
73% 
97% 

 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.ConstructorUtils;
 23  
 import org.apache.commons.jelly.JellyTagException;
 24  
 import org.apache.commons.jelly.MissingAttributeException;
 25  
 import org.apache.commons.jelly.XMLOutput;
 26  
 
 27  
 /** A tag which creates a new object of the given type
 28  
   *
 29  
   * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 30  
   * @version $Revision: 155420 $
 31  
   */
 32  
 public class NewTag extends BaseClassLoaderTag implements ArgTagParent {
 33  
 
 34  
     /** the variable exported */
 35  
     private String var;
 36  
 
 37  
     /** the class name of the object to instantiate */
 38  
     private String className;
 39  
 
 40  351
     private List paramTypes = new ArrayList();
 41  351
     private List paramValues = new ArrayList();
 42  
 
 43  351
     public NewTag() {
 44  351
     }
 45  
 
 46  
     /** Sets the name of the variable exported by this tag */
 47  
     public void setVar(String var) {
 48  286
         this.var = class="keyword">var;
 49  286
     }
 50  
 
 51  
     /** Sets the class name of the object to instantiate */
 52  
     public void setClassName(String className) {
 53  351
         this.className = className;
 54  351
     }
 55  
 
 56  
     public void addArgument(Class type, Object value) {
 57  247
         paramTypes.add(type);
 58  247
         paramValues.add(value);
 59  247
     }
 60  
 
 61  
     // Tag interface
 62  
     //-------------------------------------------------------------------------
 63  
     public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
 64  351
         ArgTag parentArg = null;
 65  351
         if ( var == null ) {
 66  91
             parentArg = (ArgTag)(findAncestorWithClass(ArgTag.class));
 67  65
             if(null == parentArg) {
 68  0
                 throw new MissingAttributeException( "var" );
 69  
             }
 70  
         }
 71  351
         if ( className == null ) {
 72  0
             throw new MissingAttributeException( "className" );
 73  
         }
 74  351
         invokeBody(output);
 75  
 
 76  
         try {
 77  351
             Class theClass = getClassLoader().loadClass( className );
 78  351
             Object object = null;
 79  351
             if(paramTypes.size() == 0) {
 80  195
                 object = theClass.newInstance();
 81  195
             } else {
 82  156
                 Object[] values = paramValues.toArray();
 83  156
                 Class[] types = (Class[])(paramTypes.toArray(new Class[paramTypes.size()]));
 84  156
                 object = ConstructorUtils.invokeConstructor(theClass,values,types);
 85  156
                 paramTypes.clear();
 86  156
                 paramValues.clear();
 87  
             }
 88  351
             if(null != var) {
 89  286
                 context.setVariable(var, object);
 90  286
             } else {
 91  65
                 parentArg.setValue(object);
 92  
             }
 93  
         }
 94  0
         catch (ClassNotFoundException e) {
 95  0
             throw new JellyTagException(e);
 96  
         }
 97  0
         catch (InstantiationException e) {
 98  0
             throw new JellyTagException(e);
 99  
         }
 100  0
         catch (NoSuchMethodException e) {
 101  0
             throw new JellyTagException(e);
 102  
         }
 103  0
         catch (IllegalAccessException e) {
 104  0
             throw new JellyTagException(e);
 105  
         }
 106  0
         catch (InvocationTargetException e) {
 107  0
             throw new JellyTagException(e);
 108  351
         }
 109  351
     }
 110  
 }

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