Clover coverage report - JFCUnit Test Coverage
Coverage timestamp: Mon Dec 20 2004 23:38:10 MST
file stats: LOC: 235   Methods: 11
NCLOC: 113   Classes: 1
 
 Source file Conditionals Statements Methods TOTAL
XMLUtil.java 62.5% 71.4% 81.8% 71.1%
coverage coverage
 1   
 package junit.extensions.xml;
 2   
 
 3   
 import org.w3c.dom.Document;
 4   
 import org.w3c.dom.Element;
 5   
 import org.w3c.dom.Node;
 6   
 
 7   
 import org.xml.sax.SAXException;
 8   
 
 9   
 import java.io.File;
 10   
 import java.io.FileInputStream;
 11   
 import java.io.FileNotFoundException;
 12   
 import java.io.IOException;
 13   
 import java.io.InputStream;
 14   
 import java.io.OutputStream;
 15   
 import java.io.UnsupportedEncodingException;
 16   
 
 17   
 import java.net.URL;
 18   
 
 19   
 import javax.xml.parsers.DocumentBuilderFactory;
 20   
 import javax.xml.parsers.ParserConfigurationException;
 21   
 
 22   
 
 23   
 /**
 24   
  * Interface layer to w3c dom.
 25   
  *
 26   
  * @author Kevin Wilson
 27   
  */
 28   
 public final class XMLUtil implements XMLConstants {
 29   
     /**
 30   
      * Private constructor: so that this class is not instantiated.
 31   
      */
 32  0
     private XMLUtil() {
 33   
     }
 34   
 
 35   
     /**
 36   
      * A utility method that will get the attribute value,
 37   
      * and if not found, will return null.
 38   
      *
 39   
      * @param element    The element to be searched
 40   
      * @param name       The name of the attribute to be searched for
 41   
      * @return String    The string value of the attribute, null
 42   
      * if the value is not set or is an empty string
 43   
      */
 44  8108
     public static String getAttribute(final Element element, final String name) {
 45  8108
         String value = element.getAttribute(name);
 46   
 
 47  8108
         if ((value != null) && (value.length() > 0)) {
 48  5388
             return value;
 49   
         }
 50   
 
 51  2720
         return null;
 52   
     }
 53   
 
 54   
     /**
 55   
      * A utility method that will get the attribute value, and if not found, will return false.
 56   
      *
 57   
      * @param element    The element to be searched
 58   
      * @param name       The name of the attribute to be searched for
 59   
      * @return boolean   The boolean value of the attribute, false if the value is not set or is an
 60   
      * empty string
 61   
      */
 62  2466
     public static boolean getBooleanAttributeValue(final Element element,
 63   
         final String name) {
 64  2466
         String value = element.getAttribute(name);
 65   
 
 66  2466
         return new Boolean(value).booleanValue();
 67   
     }
 68   
 
 69   
     /**
 70   
      * The name of the Node. First, checks the attribute value,
 71   
      * and if that is null, uses the
 72   
      * <code>getNodeName()</code> method on the Node interface.
 73   
      *
 74   
      * @param node    The Node whose name is to be found.
 75   
      * @return String    The name of the node (priority is given to the
 76   
      * attribute called 'name')
 77   
      */
 78  964
     public static String getName(final Node node) {
 79  964
         String name = null;
 80   
 
 81  964
         if (node instanceof Element) {
 82  964
             name = getAttribute(((Element) node), NAME);
 83   
         }
 84   
 
 85  964
         if (name != null) {
 86  962
             return name;
 87   
         }
 88   
 
 89  2
         return node.getNodeName();
 90   
     }
 91   
 
 92   
     /**
 93   
      * A utility method to build the path of the Node
 94   
      * (with '.' are the separators).
 95   
      *
 96   
      * @param node    The Node whose path is to be found.
 97   
      * @return String    The String representation of the path.
 98   
      */
 99  963
     public static String getPath(final Node node) {
 100  963
         StringBuffer buf = new StringBuffer(500);
 101   
 
 102  963
         if ((node.getParentNode() != null)
 103   
                 && node.getParentNode() instanceof Element) {
 104  202
             buf.append(getPath(node.getParentNode()));
 105  202
             buf.append(".");
 106   
         }
 107   
 
 108  963
         buf.append(getName(node));
 109   
 
 110  963
         return buf.toString();
 111   
     }
 112   
 
 113   
     /**
 114   
      * Resolve the path to the file.
 115   
      * @param file File path to resolve.
 116   
      * @return String absolute path or URL.
 117   
      */
 118  0
     public static String getURLFromClassPath(final String file) {
 119  0
         URL url = Thread.currentThread().getContextClassLoader().getResource(file);
 120   
 
 121  0
         if (url != null) {
 122  0
             return url.toString();
 123   
         }
 124   
 
 125  0
         return new File(file).getAbsolutePath();
 126   
     }
 127   
 
 128   
     /**
 129   
      * Checks the element for an attribute with the given name.
 130   
      * @param element element to be checked.
 131   
      * @param name Name of the attribute.
 132   
      * @return true if the attribute exists.
 133   
      */
 134  5503
     public static boolean hasAttribute(final Element element, final String name) {
 135  5503
         return element.hasAttribute(name);
 136   
     }
 137   
 
 138   
     /**
 139   
      * This method is used to parse the xml file with the specified name.
 140   
      *
 141   
      * @param stream      The input stream of the xml file to be parsed.
 142   
      * @return Document   The root Document object.
 143   
      */
 144  317
     public static Document parse(final InputStream stream) {
 145  317
         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
 146   
 
 147   
         //factory.setValidating(true);
 148   
         //factory.setNamespaceAware(true);
 149  317
         try {
 150  317
             return factory.newDocumentBuilder().parse(stream);
 151   
         } catch (SAXException sxe) {
 152   
             // Error generated during parsing
 153  0
             Exception x = sxe;
 154   
 
 155  0
             if (sxe.getException() != null) {
 156  0
                 x = sxe.getException();
 157   
             }
 158   
 
 159  0
             x.printStackTrace();
 160  0
             throw new RuntimeException(x.toString());
 161   
         } catch (ParserConfigurationException pce) {
 162   
             // Parser with specified options can't be built
 163  0
             pce.printStackTrace();
 164  0
             throw new XMLException("Parser configuration exception.");
 165   
         } catch (IOException ioe) {
 166   
             // I/O error
 167  0
             ioe.printStackTrace();
 168  0
             throw new XMLException("IO Exception while parsing XML doc.");
 169   
         } finally {
 170  317
             if (stream != null) {
 171  317
                 try {
 172  317
                     stream.close();
 173   
                 } catch (IOException ex) {
 174  0
                     throw new XMLException(
 175   
                         "IO Exception while closing stream: " + ex);
 176   
                 }
 177   
             }
 178   
         }
 179   
     }
 180   
 
 181   
     /**
 182   
      * A utility method to find a file from the context of the specified class and read its
 183   
      * contents. The difference between this method and the {@link #readFileFromClasspath(String)}
 184   
      * method is that this one uses the classpath, and then appends the package information of the
 185   
      * specified class and then looks for the specified file.
 186   
      *
 187   
      * @param clz             Class whos resource loader should be used.
 188   
      * @param fileName        The name of the file to be read.
 189   
      * @return InputStream    The file contents as an InputStream.
 190   
      */
 191  3
     public static InputStream readFileFromClassContext(final Class clz,
 192   
         final String fileName) {
 193  3
         return clz.getResourceAsStream(fileName);
 194   
     }
 195   
 
 196   
     /**
 197   
      * A utility method to find a file from the classpath and read its contents.
 198   
      *
 199   
      * @param fileName     The name of the file to be read.
 200   
      * @return InputStream    The file contents as an InputStream.
 201   
      */
 202  317
     public static InputStream readFileFromClasspath(final String fileName) {
 203  317
         InputStream is = Thread.currentThread().getContextClassLoader()
 204   
                                .getResourceAsStream(fileName);
 205   
 
 206  317
         if (is == null) {
 207   
             // Try local directory
 208  5
             try {
 209  5
                 return new FileInputStream(fileName);
 210   
             } catch (FileNotFoundException ex) {
 211  2
                 throw new RuntimeException("Could not open input file:"
 212   
                     + fileName);
 213   
             }
 214   
         }
 215   
 
 216  312
         return is;
 217   
     }
 218   
 
 219   
     /**
 220   
      * Write the XML Document with the given encoding to a file.
 221   
      * @param encoding Encoding to use when writing the file.
 222   
      * @param strm Stream to write the document.
 223   
      * @param doc XML Document to be written.
 224   
      * @throws UnsupportedEncodingException thrown if the implementation
 225   
      * of the encoding cannot be found.
 226   
      */
 227  10
     public static void writeFile(final String encoding,
 228   
         final OutputStream strm, final Document doc)
 229   
         throws UnsupportedEncodingException {
 230  10
         XMLWriter wr = new XMLWriter(false);
 231  10
         wr.setOutput(strm, encoding);
 232  10
         wr.write(doc);
 233   
     }
 234   
 }
 235