Example usage for org.dom4j.tree DefaultProcessingInstruction getTarget

Introduction

In this page you can find the example usage for org.dom4j.tree DefaultProcessingInstruction getTarget.

Prototype

public String getTarget() 

Source Link

Usage

From source file:org.orbeon.oxf.processor.transformer.XPathProcessor.java

License:Open Source License

public static void streamResult(PipelineContext context, XMLReceiver xmlReceiver, Object result,
        LocationData locationData) throws SAXException {

    String strVal = null;//from  ww w  .ja  va  2 s. c  o m
    if (result instanceof Element || result instanceof Document) {
        // If element or document, serialize it to content handler
        final Element element = result instanceof Element ? (Element) result
                : ((Document) result).getRootElement();
        final String systemId = Dom4jUtils.makeSystemId(element);
        // TODO: Should probably use Dom4jUtils.createDocumentCopyParentNamespaces() or equivalent to handle namespaces better
        // -> could maybe simply get the list of namespaces in scope on both sides, and output start/endPrefixMapping()
        final DOMGenerator domGenerator = new DOMGenerator(element, "xpath result doc",
                DOMGenerator.ZeroValidity, systemId);
        final ProcessorOutput domOutput = domGenerator.createOutput(OUTPUT_DATA);
        domOutput.read(context, new EmbeddedDocumentXMLReceiver(xmlReceiver));
    } else if (result instanceof NodeInfo) {
        final NodeInfo nodeInfo = (NodeInfo) result;
        TransformerUtils.writeTinyTree(nodeInfo, new EmbeddedDocumentXMLReceiver(xmlReceiver));
    } else if (result instanceof DefaultProcessingInstruction) {
        DefaultProcessingInstruction processingInstruction = (DefaultProcessingInstruction) result;
        xmlReceiver.processingInstruction(processingInstruction.getTarget(), processingInstruction.getText());
    } else if (result instanceof DefaultText) {
        strVal = ((DefaultText) result).getText();
    } else if (result instanceof String) {
        strVal = (String) result;
    } else if (result instanceof Long) {
        strVal = Long.toString((Long) result);
    } else if (result instanceof Double) {
        final double d = ((Double) result).doubleValue();
        strVal = XMLUtils.removeScientificNotation(d);
    } else if (result instanceof Boolean) {
        strVal = (result.toString());
    } else if (result instanceof StringBuilder) {
        strVal = result.toString();
    } else {
        String message = "Unsupported type returned by XPath expression: "
                + (result == null ? "null" : result.getClass().getName());
        throw new ValidationException(message, locationData);
    }

    // Send string representation of simple type to content handler
    if (strVal != null) {
        final char[] ch = strVal.toCharArray();
        final int len = strVal.length();
        xmlReceiver.characters(ch, 0, len);
    }
}

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