Example usage for org.w3c.dom Document getPrefix

Introduction

In this page you can find the example usage for org.w3c.dom Document getPrefix.

Prototype

public String getPrefix();

Source Link

Document

The namespace prefix of this node, or null if it is unspecified.

Usage

From source file:org.opennms.protocols.xml.collector.AbstractXmlCollectionHandler.java

/**
 * Gets the XML document.//from  w w  w.ja v a  2s .co  m
 *
 * @param is the input stream
 * @param request the request
 * @return the XML document
 * @throws Exception the exception
 */
protected Document getXmlDocument(InputStream is, Request request) throws Exception {
    is = preProcessHtml(request, is);
    is = applyXsltTransformation(request, is);
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    factory.setIgnoringComments(true);
    factory.setNamespaceAware(true);
    DocumentBuilder builder = factory.newDocumentBuilder();
    StringWriter writer = new StringWriter();
    IOUtils.copy(is, writer, "UTF-8");
    String contents = writer.toString();
    Document doc = builder.parse(IOUtils.toInputStream(contents, "UTF-8"));
    // Ugly hack to deal with DOM & XPath 1.0's battle royale 
    // over handling namespaces without a prefix. 
    if (doc.getNamespaceURI() != null && doc.getPrefix() == null) {
        factory.setNamespaceAware(false);
        builder = factory.newDocumentBuilder();
        doc = builder.parse(IOUtils.toInputStream(contents, "UTF-8"));
    }
    return doc;
}

---