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Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
XMLUtil.java | 62.5% | 71.4% | 81.8% | 71.1% |
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package junit.extensions.xml;
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import org.w3c.dom.Document;
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import org.w3c.dom.Element;
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import org.w3c.dom.Node;
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import org.xml.sax.SAXException;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.UnsupportedEncodingException;
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import java.net.URL;
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import javax.xml.parsers.DocumentBuilderFactory;
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import javax.xml.parsers.ParserConfigurationException;
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/**
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* Interface layer to w3c dom.
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*
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* @author Kevin Wilson
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*/
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public final class XMLUtil implements XMLConstants { |
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/**
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* Private constructor: so that this class is not instantiated.
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*/
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32 | 0 |
private XMLUtil() {
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} |
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/**
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* A utility method that will get the attribute value,
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* and if not found, will return null.
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*
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* @param element The element to be searched
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* @param name The name of the attribute to be searched for
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* @return String The string value of the attribute, null
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* if the value is not set or is an empty string
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*/
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44 | 8108 |
public static String getAttribute(final Element element, final String name) { |
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String value = element.getAttribute(name); |
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47 | 8108 |
if ((value != null) && (value.length() > 0)) { |
48 | 5388 |
return value;
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} |
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51 | 2720 |
return null; |
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} |
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/**
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* A utility method that will get the attribute value, and if not found, will return false.
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*
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* @param element The element to be searched
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* @param name The name of the attribute to be searched for
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* @return boolean The boolean value of the attribute, false if the value is not set or is an
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* empty string
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*/
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public static boolean getBooleanAttributeValue(final Element element, |
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final String name) { |
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String value = element.getAttribute(name); |
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return new Boolean(value).booleanValue(); |
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} |
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/**
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* The name of the Node. First, checks the attribute value,
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* and if that is null, uses the
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* <code>getNodeName()</code> method on the Node interface.
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*
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* @param node The Node whose name is to be found.
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* @return String The name of the node (priority is given to the
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* attribute called 'name')
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*/
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public static String getName(final Node node) { |
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String name = null;
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81 | 964 |
if (node instanceof Element) { |
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name = getAttribute(((Element) node), NAME); |
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} |
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85 | 964 |
if (name != null) { |
86 | 962 |
return name;
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} |
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return node.getNodeName();
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} |
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/**
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* A utility method to build the path of the Node
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* (with '.' are the separators).
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*
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* @param node The Node whose path is to be found.
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* @return String The String representation of the path.
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*/
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public static String getPath(final Node node) { |
100 | 963 |
StringBuffer buf = new StringBuffer(500);
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102 | 963 |
if ((node.getParentNode() != null) |
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&& node.getParentNode() instanceof Element) {
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buf.append(getPath(node.getParentNode())); |
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buf.append(".");
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} |
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buf.append(getName(node)); |
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return buf.toString();
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} |
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/**
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* Resolve the path to the file.
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* @param file File path to resolve.
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* @return String absolute path or URL.
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*/
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118 | 0 |
public static String getURLFromClassPath(final String file) { |
119 | 0 |
URL url = Thread.currentThread().getContextClassLoader().getResource(file); |
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121 | 0 |
if (url != null) { |
122 | 0 |
return url.toString();
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} |
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return new File(file).getAbsolutePath(); |
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} |
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/**
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* Checks the element for an attribute with the given name.
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* @param element element to be checked.
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* @param name Name of the attribute.
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* @return true if the attribute exists.
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*/
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134 | 5503 |
public static boolean hasAttribute(final Element element, final String name) { |
135 | 5503 |
return element.hasAttribute(name);
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} |
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/**
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* This method is used to parse the xml file with the specified name.
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*
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* @param stream The input stream of the xml file to be parsed.
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* @return Document The root Document object.
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*/
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144 | 317 |
public static Document parse(final InputStream stream) { |
145 | 317 |
DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance(); |
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//factory.setValidating(true);
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//factory.setNamespaceAware(true);
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149 | 317 |
try {
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150 | 317 |
return factory.newDocumentBuilder().parse(stream);
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} catch (SAXException sxe) {
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// Error generated during parsing
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153 | 0 |
Exception x = sxe; |
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155 | 0 |
if (sxe.getException() != null) { |
156 | 0 |
x = sxe.getException(); |
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} |
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159 | 0 |
x.printStackTrace(); |
160 | 0 |
throw new RuntimeException(x.toString()); |
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} catch (ParserConfigurationException pce) {
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// Parser with specified options can't be built
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pce.printStackTrace(); |
164 | 0 |
throw new XMLException("Parser configuration exception."); |
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} catch (IOException ioe) {
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// I/O error
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ioe.printStackTrace(); |
168 | 0 |
throw new XMLException("IO Exception while parsing XML doc."); |
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} finally {
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170 | 317 |
if (stream != null) { |
171 | 317 |
try {
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172 | 317 |
stream.close(); |
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} catch (IOException ex) {
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174 | 0 |
throw new XMLException( |
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"IO Exception while closing stream: " + ex);
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} |
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} |
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} |
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} |
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/**
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* A utility method to find a file from the context of the specified class and read its
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* contents. The difference between this method and the {@link #readFileFromClasspath(String)}
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* method is that this one uses the classpath, and then appends the package information of the
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* specified class and then looks for the specified file.
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*
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* @param clz Class whos resource loader should be used.
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* @param fileName The name of the file to be read.
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* @return InputStream The file contents as an InputStream.
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*/
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191 | 3 |
public static InputStream readFileFromClassContext(final Class clz, |
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final String fileName) { |
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return clz.getResourceAsStream(fileName);
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} |
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/**
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* A utility method to find a file from the classpath and read its contents.
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*
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* @param fileName The name of the file to be read.
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* @return InputStream The file contents as an InputStream.
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*/
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202 | 317 |
public static InputStream readFileFromClasspath(final String fileName) { |
203 | 317 |
InputStream is = Thread.currentThread().getContextClassLoader() |
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.getResourceAsStream(fileName); |
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206 | 317 |
if (is == null) { |
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// Try local directory
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208 | 5 |
try {
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209 | 5 |
return new FileInputStream(fileName); |
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} catch (FileNotFoundException ex) {
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211 | 2 |
throw new RuntimeException("Could not open input file:" |
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+ fileName); |
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} |
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} |
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216 | 312 |
return is;
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} |
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/**
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* Write the XML Document with the given encoding to a file.
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* @param encoding Encoding to use when writing the file.
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* @param strm Stream to write the document.
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* @param doc XML Document to be written.
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* @throws UnsupportedEncodingException thrown if the implementation
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* of the encoding cannot be found.
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*/
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227 | 10 |
public static void writeFile(final String encoding, |
228 |
final OutputStream strm, final Document doc) |
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throws UnsupportedEncodingException {
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230 | 10 |
XMLWriter wr = new XMLWriter(false); |
231 | 10 |
wr.setOutput(strm, encoding); |
232 | 10 |
wr.write(doc); |
233 |
} |
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} |
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