Coverage report

  %line %branch
org.apache.commons.jelly.tags.jaxme.UnmarshallTag
75% 
100% 

 1  
 /**
 2  
 * Copyright 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.jaxme;
 17  
 
 18  
 import java.io.File;
 19  
 import java.io.IOException;
 20  
 
 21  
 import javax.xml.bind.UnmarshallerHandler;
 22  
 import javax.xml.bind.Unmarshaller;
 23  
 import javax.xml.bind.JAXBException;
 24  
 import javax.xml.bind.JAXBContext;
 25  
 
 26  
 import org.apache.commons.jelly.TagSupport;
 27  
 import org.apache.commons.jelly.XMLOutput;
 28  
 import org.apache.commons.jelly.MissingAttributeException;
 29  
 import org.apache.commons.jelly.JellyTagException;
 30  
 
 31  
 import org.apache.ws.jaxme.generator.Generator;
 32  
 import org.apache.ws.jaxme.generator.SchemaReader;
 33  
 import org.apache.ws.jaxme.generator.sg.impl.JAXBSchemaReader;
 34  
 import org.apache.ws.jaxme.generator.sg.SchemaSG;
 35  
 import org.apache.ws.jaxme.generator.impl.GeneratorImpl;
 36  
 
 37  
 import org.xml.sax.SAXException;
 38  
 
 39  
 /** 
 40  
  * <p>Unmarshalls xml documents into java objects.</p>
 41  
  * <p>
 42  
  * This tag unmarshalls the xml content contained 
 43  
  * into the JaxMe generated java objects in the packages specified.
 44  
  * </p>
 45  
  *
 46  
  * @author <a href="mailto:joe@ispsoft.de">Jochen Wiedmann</a>
 47  
  * @author <a href="mailto:commons-dev at jakarta.apache.org">Jakarta Commons Development Team</a>
 48  
  * @version $Revision: 1.2 $
 49  
  */
 50  1
 public class UnmarshallTag extends TagSupport {
 51  
        
 52  
     private String packages;
 53  
     private String var;
 54  
     
 55  
     public String getPackages() {
 56  0
         return packages;
 57  
     }
 58  
     
 59  
     /**
 60  
      * Defines the generated objects to which the xml should be unmarshalled. 
 61  
      */
 62  
     public void setPackages(String packages) {
 63  1
         this.packages = packages;
 64  1
     }
 65  
     
 66  
     public String getVar() {
 67  0
         return var;
 68  
     }
 69  
     
 70  
     /**
 71  
      * Sets the name of the jelly variable to which 
 72  
      * the unmarshalled java object should be bound.
 73  
      */
 74  
     public void setVar(String var) {
 75  1
         this.var = class="keyword">var;
 76  1
     }
 77  
     
 78  
     public void doTag(XMLOutput output) throws MissingAttributeException, JellyTagException {
 79  1
         if (packages == null) {
 80  0
             throw new MissingAttributeException( "packages" );
 81  
         }
 82  1
         if ( var == null ) {
 83  0
             throw new MissingAttributeException( "var" );
 84  
         }
 85  
         try {   
 86  
 
 87  1
             JAXBContext jaxbContext = JAXBContext.newInstance(packages);
 88  1
             Unmarshaller unmarshaller = jaxbContext.createUnmarshaller();
 89  1
             UnmarshallerHandler handler = unmarshaller.getUnmarshallerHandler();
 90  
             
 91  1
             handler.startDocument();
 92  
             
 93  1
             XMLOutput newOutput = new XMLOutput( handler );
 94  
             
 95  1
             invokeBody(newOutput);
 96  1
             handler.endDocument();
 97  
             
 98  1
             Object result = handler.getResult();
 99  1
             context.setVariable( var, result );
 100  
             
 101  1
         } catch (JAXBException ex)  {
 102  0
             throw new JellyTagException(ex);
 103  
         } catch (SAXException ex) {
 104  0
             throw new JellyTagException(ex);
 105  
         }
 106  
         
 107  1
     }
 108  
 }

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