Coverage report

  %line %branch
org.apache.commons.jelly.tags.dynabean.PropertyTag
68% 
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.dynabean;
 17  
 
 18  
 import org.apache.commons.beanutils.DynaProperty;
 19  
 import org.apache.commons.jelly.JellyTagException;
 20  
 import org.apache.commons.jelly.MissingAttributeException;
 21  
 import org.apache.commons.jelly.TagSupport;
 22  
 import org.apache.commons.jelly.XMLOutput;
 23  
 
 24  
 /**
 25  
  * DynaProperty tag defines a property of a DynaClass
 26  
  * It can only exist inside a DynaClass parent context
 27  
  * The properties are added to the properties array
 28  
  * of the parent context, and will be used to
 29  
  * create the DynaClass object
 30  
  *
 31  
  * @author Theo Niemeijer
 32  
  * @version 1.0
 33  
  */
 34  
 public class PropertyTag extends TagSupport {
 35  
 
 36  
     private String name;
 37  
     private String type;
 38  
     private Class propertyClass;
 39  
     private DynaProperty prop;
 40  
 
 41  21
     public PropertyTag() {
 42  21
     }
 43  
 
 44  
     // Tag interface
 45  
     //-------------------------------------------------------------------------
 46  
     public void doTag (XMLOutput output) throws MissingAttributeException, JellyTagException {
 47  
 
 48  
         // Check that this tag is used inside the body of
 49  
         // a DynaClass tag, so that it can access the
 50  
         // context of that tag
 51  27
         DynaclassTag parentTag = (DynaclassTag) findAncestorWithClass( DynaclassTag.class );
 52  21
         if ( parentTag == null ) {
 53  0
             throw new JellyTagException( "This tag must be enclosed inside a <dynaclass> tag" );
 54  
         }
 55  
 
 56  
         // Check property name
 57  21
         if (name == null) {
 58  0
             throw new MissingAttributeException( "name" );
 59  
         }
 60  
 
 61  
         // Lookup appropriate property class
 62  21
         Class propClass = propertyClass;
 63  21
         if (propClass == null) {
 64  
 
 65  
             // Check property type
 66  21
             if (type == null) {
 67  0
                 throw new MissingAttributeException( "type" );
 68  
             }
 69  
 
 70  21
             if (type.equals("String")) {
 71  15
                 propClass = String.class;
 72  
             }
 73  6
             else if (type.equals("Integer")) {
 74  3
                 propClass = Integer.TYPE;
 75  
             }
 76  3
             else if (type.equals("Short")) {
 77  0
                 propClass = Short.TYPE;
 78  
             }
 79  3
             else if (type.equals("Long")) {
 80  0
                 propClass = Long.TYPE;
 81  
             }
 82  3
             else if (type.equals("Float")) {
 83  0
                 propClass = Float.TYPE;
 84  
             }
 85  3
             else if (type.equals("Double")) {
 86  0
                 propClass = Double.TYPE;
 87  
             }
 88  3
             else if (type.equals("Long")) {
 89  0
                 propClass = Long.TYPE;
 90  
             }
 91  
 
 92  21
             if (propClass == null) {
 93  
                 try {
 94  3
                     propClass = Class.forName(type);
 95  
                 }
 96  0
                 catch (Exception e) {
 97  0
                     throw new JellyTagException
 98  
                             ("Class " + type +
 99  
                             " not found by Class.forName");
 100  3
                 }
 101  
             }
 102  
         }
 103  
 
 104  
         // Create dynaproperty object with given name and type
 105  21
         prop = new DynaProperty (name, propClass);
 106  
 
 107  
         // Add new property to dynaclass context
 108  21
         parentTag.addDynaProperty(prop);
 109  21
     }
 110  
 
 111  
     // Properties
 112  
     //-------------------------------------------------------------------------
 113  
 
 114  
     /**
 115  
      * Sets the name of this property
 116  
      */
 117  
     public void setName(String name) {
 118  21
         this.name = name;
 119  21
     }
 120  
 
 121  
     /**
 122  
      * Sets the type name of this property
 123  
      */
 124  
     public void setType(String type) {
 125  21
         this.type = type;
 126  21
     }
 127  
 
 128  
     /**
 129  
      * Returns the Class for this property
 130  
      */
 131  
     public Class getPropertyClass() {
 132  0
         return propertyClass;
 133  
     }
 134  
 
 135  
     /**
 136  
      * Sets the Class instance for this property
 137  
      */
 138  
     public void setPropertyClass(Class propertyClass) {
 139  0
         this.propertyClass = propertyClass;
 140  0
     }
 141  
 
 142  
 }

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