Coverage report

  %line %branch
org.apache.commons.jelly.tags.define.DynaBeanTag
65% 
90% 

 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  
 
 17  
 package org.apache.commons.jelly.tags.define;
 18  
 
 19  
 import java.util.HashMap;
 20  
 import java.util.Map;
 21  
 
 22  
 import org.apache.commons.beanutils.DynaClass;
 23  
 import org.apache.commons.jelly.JellyTagException;
 24  
 import org.apache.commons.jelly.MissingAttributeException;
 25  
 import org.apache.commons.jelly.Tag;
 26  
 import org.apache.commons.jelly.XMLOutput;
 27  
 import org.apache.commons.jelly.impl.Attribute;
 28  
 import org.apache.commons.jelly.impl.DynamicDynaBeanTag;
 29  
 import org.apache.commons.jelly.impl.TagFactory;
 30  
 import org.apache.commons.logging.Log;
 31  
 import org.apache.commons.logging.LogFactory;
 32  
 import org.xml.sax.Attributes;
 33  
 
 34  
 /**
 35  
  * Binds a Java bean to the given named Jelly tag so that the attributes of
 36  
  * the tag set the bean properties..
 37  
  *
 38  
  * @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
 39  
  * @version $Revision: 155420 $
 40  
  */
 41  6
 public class DynaBeanTag extends DefineTagSupport {
 42  
 
 43  
     /** The Log to which logging calls will be made. */
 44  18
     private static final Log log = LogFactory.getLog(DynaBeanTag.class);
 45  
 
 46  
     /** An empty Map as I think Collections.EMPTY_MAP is only JDK 1.3 onwards */
 47  9
     private static final Map EMPTY_MAP = new HashMap();
 48  
 
 49  
     /** the name of the tag to create */
 50  
     private String name;
 51  
 
 52  
     /** the DyanClass to bind to the tag */
 53  
     private DynaClass dynaClass;
 54  
 
 55  
     /** the name of the attribute used for the variable name */
 56  3
     private String varAttribute = "var";
 57  
 
 58  
     /** the attribute definitions for this dynamic tag */
 59  
     private Map attributes;
 60  
 
 61  
     /**
 62  
      * Adds a new attribute definition to this dynamic tag
 63  
      */
 64  
     public void addAttribute(Attribute attribute) {
 65  0
         if ( attributes == null ) {
 66  0
             attributes = new HashMap();
 67  
         }
 68  0
         attributes.put( attribute.getName(), attribute );
 69  0
     }
 70  
 
 71  
     // Tag interface
 72  
     //-------------------------------------------------------------------------
 73  
     public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
 74  3
         invokeBody(output);
 75  
 
 76  3
         if (name == null) {
 77  0
             throw new MissingAttributeException("name");
 78  
         }
 79  3
         if (dynaClass == null) {
 80  0
             throw new MissingAttributeException("dynaClass");
 81  
         }
 82  
 
 83  3
         final DynaClass theDynaClass = dynaClass;
 84  3
         final Map beanAttributes = (attributes != null) ? attributes : EMPTY_MAP;
 85  
 
 86  3
         TagFactory factory = new TagFactory() {
 87  
             public Tag createTag(String name, Attributes attributes) {
 88  
                 return  new DynamicDynaBeanTag(theDynaClass, beanAttributes, varAttribute);
 89  
             }
 90  
         };
 91  3
         getTagLibrary().registerBeanTag(name, factory);
 92  
 
 93  
         // now lets clear the attributes for next invocation and help the GC
 94  3
         attributes = null;
 95  3
     }
 96  
 
 97  
 
 98  
     // Properties
 99  
     //-------------------------------------------------------------------------
 100  
 
 101  
     /**
 102  
      * Sets the name of the tag to create
 103  
      */
 104  
     public void setName(String name) {
 105  3
         this.name = name;
 106  3
     }
 107  
 
 108  
     /**
 109  
      * Sets the name of the attribute used to define the bean variable that this dynamic
 110  
      * tag will output its results as. This defaults to 'var' though this property
 111  
      * can be used to change this if it conflicts with a bean property called 'var'.
 112  
      */
 113  
     public void setVarAttribute(String varAttribute) {
 114  0
         this.varAttribute = varAttribute;
 115  0
     }
 116  
 
 117  
     /**
 118  
      * Returns the dynaClass.
 119  
      * @return DynaClass
 120  
      */
 121  
     public DynaClass getDynaClass() {
 122  0
         return dynaClass;
 123  
     }
 124  
 
 125  
     /**
 126  
      * Sets the {@link DynaClass} which will be bound to this dynamic tag.
 127  
      */
 128  
     public void setDynaClass(DynaClass dynaClass) {
 129  3
         this.dynaClass = dynaClass;
 130  3
     }
 131  
 
 132  
 }

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