Java XPath.setNamespaceContext方法代码示例

import org.dom4j.XPath; //导入方法依赖的package包/类
private Element getTagElement (String _tag, String _namespacePrefix, String _namespaceURI ) {
	
	Element tagElement = null; // caller is responsible for handling null
	
	try {
		// TODO  this isn't complete, as we can have any arbitrary tag and values for them infinitely deep
		XPath xpath = DocumentHelper.createXPath( "//" + ( _namespacePrefix != null ? _namespacePrefix + ":" : "" ) + _tag.trim() );
		SimpleNamespaceContext ns = new SimpleNamespaceContext();
		ns.addNamespace( _namespacePrefix, _namespaceURI );  
		xpath.setNamespaceContext(ns);

		tagElement = ((Element)xpath.selectSingleNode(this.infoxmlDoc));
		
	}  catch ( Exception e ) {
		e.printStackTrace();
	}
	
	return tagElement;		
}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
@Test
public void shouldBuildDocumentFromSetOfXPaths() throws XPathExpressionException, IOException {
    Map<String, Object> xmlProperties = fixtureAccessor.getXmlProperties();
    Document builtDocument = new XmlBuilder(namespaceContext)
            .putAll(xmlProperties.keySet())
            .build(DocumentHelper.createDocument());

    for (Entry<String, Object> xpathToValuePair : xmlProperties.entrySet()) {
        XPath xpath = builtDocument.createXPath(xpathToValuePair.getKey());
        if (null != namespaceContext) {
            xpath.setNamespaceContext(new SimpleNamespaceContextWrapper(namespaceContext));
        }
        assertThat(xpath.evaluate(builtDocument)).isNotNull();
    }
    assertThat(xmlToString(builtDocument)).isEqualTo(fixtureAccessor.getPutXml());
}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
@Test
public void shouldBuildDocumentFromSetOfXPathsAndSetValues() throws XPathExpressionException, IOException {
    Map<String, Object> xmlProperties = fixtureAccessor.getXmlProperties();
    Document builtDocument = new XmlBuilder(namespaceContext)
            .putAll(xmlProperties)
            .build(DocumentHelper.createDocument());

    for (Entry<String, Object> xpathToValuePair : xmlProperties.entrySet()) {
        XPath xpath = builtDocument.createXPath(xpathToValuePair.getKey());
        if (null != namespaceContext) {
            xpath.setNamespaceContext(new SimpleNamespaceContextWrapper(namespaceContext));
        }
        assertThat(xpath.selectSingleNode(builtDocument).getText()).isEqualTo(xpathToValuePair.getValue());
    }
    assertThat(xmlToString(builtDocument)).isEqualTo(fixtureAccessor.getPutValueXml());
}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
/**
 * Constructs the infoXML abstraction based on the input
 * given.
 * 
 * @param _xml
 */
public InfoXML ( String _xml )
{
	try {
		// TODO : BARFS on the xsi: attribute on return saying :
		//			org.dom4j.DocumentException: Error on line 1 of document  : 
		//			The prefix "xsi" for attribute "xsi:schemaLocation" associated with 
		//			an element type "NSDLDataRepository" is not bound. 
		//			Nested exception: The prefix "xsi" for attribute "xsi:schemaLocation" 
		//			associated with an element type "NSDLDataRepository" is not bound.

		this.contentRaw = _xml;
		this.infoxmlDoc = DocumentHelper.parseText( this.contentRaw );
					
		XPath xpath = DocumentHelper.createXPath( "//ndr:error" ); // for error node checks

		// TODO : though the default namespace is NOT called NDR,
		// http://www.xslt.com/html/xsl-list/2005-03/msg01059.html indicates we must give
		// it one if we are to use it in an XPath.  How fun is that!
		SimpleNamespaceContext ns = new SimpleNamespaceContext();
		ns.addNamespace("ndr", "http://ns.nsdl.org/ndr/response_v1.00/");
		
		xpath.setNamespaceContext(ns);
		
		// select the error node
    	Element error = (Element)xpath.selectSingleNode(this.infoxmlDoc);
    	
    	if ( error != null )
    	{
    		this.hasErrors = true;
    		this.errorString = error.getText();
    	}
    	
	} catch ( Exception e ) {
		this.contentRaw = _xml;
		this.errorString = "Fatal error in InfoXML construction.";
		// e.printStackTrace();
	}		
}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
/**
	 * 解析测试套件配置文件
	 * @param suiteInputStream 配置文件输入流
	 * @return 测试套件对象
	 * @throws DocumentException
	 */
	public Suite parse(InputStream suiteInputStream) throws DocumentException
	{
		SAXReader reader = new SAXReader();
		reader.setEncoding("utf-8");
		
		Document document = reader.read(suiteInputStream);
		
		simpleNamespaceContext.addNamespace("ns", NS_URI);
		
		XPath xpath = new DefaultXPath("/ns:suite");
		xpath.setNamespaceContext(simpleNamespaceContext);
		Element suiteEle = (Element) xpath.selectSingleNode(document);
		if (suiteEle == null)
		{
			suiteEle = document.getRootElement();
//			throw new RuntimeException("Can not found suite config.");
		}
		
		Suite suite = new Suite();
		String xmlConfPath = suiteEle.attributeValue("pageConfig");
		String pagePackage = suiteEle.attributeValue("pagePackage", "");
		String rows = suiteEle.attributeValue("rows", "1");
		String lackLines = suiteEle.attributeValue("lackLines", "nearby");
		String errorLines = suiteEle.attributeValue("errorLines", "stop");
		String afterSleep = suiteEle.attributeValue("afterSleep", "0");
		
		suite.setXmlConfPath(xmlConfPath);
		suite.setPagePackage(pagePackage);
		suite.setRows(rows);
		suite.setLackLines(lackLines);
		suite.setErrorLines(errorLines);
		suite.setAfterSleep(Long.parseLong(afterSleep));
		
		pagesParse(document, suite);
		
		return suite;
	}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
private static XPath buildXpath(Element xslt, final String functionCall) {
    XPath xpath = xslt.createXPath(String.format(
            "//xsl:value-of[@select='%s']", functionCall));
    SimpleNamespaceContext namespaceContext = new SimpleNamespaceContext();
    namespaceContext.addNamespace("xsl",
            "http://www.w3.org/1999/XSL/Transform");
    xpath.setNamespaceContext(namespaceContext);
    return xpath;
}
 

import org.dom4j.XPath; //导入方法依赖的package包/类
public boolean slurpOutput(PipedOutputStream stdout, PipedOutputStream stderr) throws IOException {
    log.log(Level.FINE, "--> SlurpOutput");
    ImmutableMap<String, PipedOutputStream> streams = ImmutableMap.of("stdout", stdout, "stderr", stderr);

    Document request = factory.newGetOutputRequest(shellId, commandId).build();
    Document response = sendRequest(request);

    XPath xpath = DocumentHelper.createXPath("//" + Namespaces.NS_WIN_SHELL.getPrefix() + ":Stream");
    namespaceContext = new SimpleNamespaceContext();
    namespaceContext.addNamespace(Namespaces.NS_WIN_SHELL.getPrefix(), Namespaces.NS_WIN_SHELL.getURI());
    xpath.setNamespaceContext(namespaceContext);

    Base64 base64 = new Base64();
    for (Element e : (List<Element>) xpath.selectNodes(response)) {
        PipedOutputStream stream = streams.get(e.attribute("Name").getText().toLowerCase());
        final byte[] decode = base64.decode(e.getText());
        log.log(Level.FINE, "piping " + decode.length + " bytes from " + e.attribute("Name").getText().toLowerCase());

        stream.write(decode);
    }

    XPath done = DocumentHelper
            .createXPath("//*[@State='http://schemas.microsoft.com/wbem/wsman/1/windows/shell/CommandState/Done']");
    done.setNamespaceContext(namespaceContext);
    if (Iterables.isEmpty(done.selectNodes(response))) {
        log.log(Level.FINE, "keep going baby!");
        return true;
    } else {
        exitCode = Integer.parseInt(first(response, "//" + Namespaces.NS_WIN_SHELL.getPrefix() + ":ExitCode"));
        log.log(Level.FINE, "no more output - command is now done - exit code: " + exitCode);
    }
    return false;
}