Coverage report

  %line %branch
org.apache.commons.jelly.tags.xmlunit.XMLUnitTagSupport
54% 
83% 

 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.xmlunit;
 18  
 
 19  
 import java.io.InputStream;
 20  
 import java.io.Reader;
 21  
 import java.net.URL;
 22  
 
 23  
 import org.apache.commons.jelly.JellyTagException;
 24  
 import org.apache.commons.jelly.XMLOutput;
 25  
 import org.apache.commons.jelly.tags.junit.AssertTagSupport;
 26  
 import org.dom4j.Document;
 27  
 import org.dom4j.DocumentException;
 28  
 import org.dom4j.io.SAXContentHandler;
 29  
 import org.dom4j.io.SAXReader;
 30  
 import org.xml.sax.SAXException;
 31  
 
 32  15
 public abstract class XMLUnitTagSupport extends AssertTagSupport {
 33  
 
 34  
     /** The SAXReader used to parser the document */
 35  
     private SAXReader saxReader;
 36  
 
 37  
     /** @return the SAXReader used for parsing, creating one lazily if need be  */
 38  
     public SAXReader getSAXReader() {
 39  0
         if (saxReader == null) {
 40  0
             saxReader = createSAXReader();
 41  
         }
 42  0
         return saxReader;
 43  
     }
 44  
 
 45  
     /** Sets the SAXReader used for parsing */
 46  
     public void setSAXReader(SAXReader saxReader) {
 47  0
         this.saxReader = saxReader;
 48  0
     }
 49  
 
 50  
     /**
 51  
      * Factory method to create a new SAXReader
 52  
      */
 53  
     protected abstract SAXReader createSAXReader();
 54  
 
 55  
     /**
 56  
      * Parses the body of this tag and returns the parsed document
 57  
      */
 58  
     protected Document parseBody() throws JellyTagException {
 59  8
         SAXContentHandler handler = new SAXContentHandler();
 60  8
         XMLOutput newOutput = new XMLOutput(handler);
 61  
         try {
 62  8
             handler.startDocument();
 63  8
             invokeBody(newOutput);
 64  8
             handler.endDocument();
 65  8
         }
 66  
         catch (SAXException e) {
 67  0
             throw new JellyTagException(e);
 68  
         }
 69  8
         return handler.getDocument();
 70  
     }
 71  
 
 72  
     /**
 73  
      * Parses the given source
 74  
      */
 75  
     protected Document parse(Object source) throws JellyTagException {
 76  
         try {
 77  13
             if (source instanceof Document) {
 78  12
                 return (Document) source;
 79  1
             } else if (source instanceof String) {
 80  0
                 String uri = (String) source;
 81  0
                 InputStream in = context.getResourceAsStream(uri);
 82  0
                 return getSAXReader().read(in, uri);
 83  1
             } else if (source instanceof Reader) {
 84  0
                 return getSAXReader().read((Reader) source);
 85  1
             } else if (source instanceof InputStream) {
 86  0
                 return getSAXReader().read((InputStream) source);
 87  1
             } else if (source instanceof URL) {
 88  0
                 return getSAXReader().read((URL) source);
 89  
             } else {
 90  1
                 throw new IllegalArgumentException(
 91  
                     "Invalid source argument. Must be a Document, String, Reader, InputStream or URL."
 92  
                         + " Was type: "
 93  
                         + source.getClass().getName()
 94  
                         + " with value: "
 95  
                         + source);
 96  
             }
 97  
         }
 98  
         catch (DocumentException e) {
 99  0
             throw new JellyTagException(e);
 100  
         }
 101  
     }
 102  
 }

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