Example usage for org.dom4j XPath getText

Introduction

In this page you can find the example usage for org.dom4j XPath getText.

Prototype

String getText();

Source Link

Document

getText will return the textual version of the XPath expression.

Usage

From source file:com.ten45.service.aggregator.ConfigurationServiceImpl.java

/**
 * Expand the original configuration document with the referred node.
 * It reads the referred document, finds the referred element in the same 
 * path as the original document, and moves all the children of the 
 * referred element into the original element.
 * //from ww  w.ja  v  a2 s  .co m
 * @param doc
 * @param node
 * @return
 * @throws DocumentException
 */
private Document expandReference(Document doc, Node node) throws DocumentException {
    // Find the 'anchor' element that contains the reference declaration.
    Element anchor = node.getParent();
    XPath anchorXPath = DocumentHelper.createXPath(anchor.getPath());

    // Remove the reference declaration node from the document.
    node.detach();

    // Read the new configuration.
    String resourceName = rootPath + node.getText() + ".xml";
    log.debug("Reading resource " + resourceName);
    InputStream in = this.getClass().getResourceAsStream(resourceName);
    SAXReader reader = new SAXReader();
    try {
        Document refDoc = reader.read(in);

        Element refElement = (Element) anchorXPath.selectSingleNode(refDoc);
        if (refElement != null) {
            log.debug("Expanding " + anchorXPath.getText() + " with " + refElement.asXML());
            // Move all elements from the referenced document into the anchor.
            List children = refElement.elements();
            if (children != null && children.size() > 0) {
                for (int i = 0; i < children.size(); i++) {
                    Element child = (Element) children.get(i);
                    XPath refXPath = DocumentHelper.createXPath(child.getPath());
                    if (refXPath.selectSingleNode(doc) == null) {
                        log.debug("Adding element " + refXPath.getText());
                        child.detach();
                        anchor.add(child);
                    } else {
                        log.debug("Ignore pre-existing element " + refXPath.getText());
                    }
                }
            }
        }
    } catch (DocumentException de) {
        throw de;
    }
    return doc;
}

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From source file:org.gbif.portal.util.mhf.message.impl.xml.XMLMessage.java

License:Open Source License

/**
 * Gets a the value as a string for the given XPath
 *
 * @param location Xpath to evaluate/*from   w w  w.  jav  a2s.com*/
 * @return The value
 */
@SuppressWarnings("unchecked")
public String getPartAsString(Object location) throws MessageAccessException {
    if (!(location instanceof XPath)) {
        throw new MessageAccessException("Only XPath location's are supported for accessing XMLMessage parts - "
                + "received: " + location.getClass());
    }
    XPath xpath = (XPath) location;

    String key = GET_PART_AS_STRING_KEY_PREFIX + xpath.getText();
    if (getCache().containsKey(key)) {
        return (String) getCache().get(key);
    } else {
        String result = xpath.valueOf(getDocument());
        // Do not do this - it does not evaluate expressions returning "false"
        // for example
        // String result = xpath.selectSingleNode(getDocument()).getText();
        getCache().put(key, result);
        return result;
    }
}

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From source file:org.gbif.portal.util.mhf.message.impl.xml.XMLMessage.java

License:Open Source License

/**
 * Gets a list of Strings for the multiple values that will be
 * returned from the XPath//  w  ww .j  a  v  a 2  s .  c  om
 *
 * @param location Xpath to evaluate
 * @return The List of Node
 */
@SuppressWarnings("unchecked")
public List<String> getPartsAsString(Object location) throws MessageAccessException {
    if (!(location instanceof XPath)) {
        throw new MessageAccessException("Only XPath location's are supported for accessing XMLMessage parts - "
                + "received: " + location.getClass());
    }
    XPath xpath = (XPath) location;
    String key = GET_PARTS_AS_STRING_KEY_PREFIX + xpath.getText();
    if (getCache().containsKey(key)) {
        return (List<String>) getCache().get(key);
    } else {
        List<Node> result = (List<Node>) xpath.selectNodes(getDocument());
        List<String> resultsAsString = new LinkedList<String>();
        for (Node node : result) {
            resultsAsString.add(node.getText());
        }
        getCache().put(key, resultsAsString);
        return resultsAsString;
    }
}

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From source file:org.gbif.portal.util.mhf.message.impl.xml.XMLMessage.java

License:Open Source License

/**
 * Gets a list of MessageIndex//from  w ww . j a  va2  s  .  c o m
 * returned from the XPath
 *
 * @param location Xpath to evaluate
 * @return The List of Node
 */
@SuppressWarnings("unchecked")
public List<Message> getParts(Object location) throws MessageAccessException, MessageParseException {
    if (!(location instanceof XPath)) {
        throw new MessageAccessException("Only XPath location's are supported for accessing XMLMessage parts - "
                + "received: " + location.getClass());
    }
    XPath xpath = (XPath) location;

    String key = GET_PARTS_KEY_PREFIX + xpath.getText();
    if (getCache().containsKey(key)) {
        return (List<Message>) getCache().get(key);
    } else {
        List<Node> result = (List<Node>) xpath.selectNodes(getDocument());
        List<Message> resultsAsIndex = new LinkedList<Message>();
        for (Node node : result) {
            Message indexedResult = new XMLMessageFactory().build(node, true);
            resultsAsIndex.add(indexedResult);
        }
        getCache().put(key, resultsAsIndex);
        return resultsAsIndex;
    }
}

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From source file:org.gbif.portal.util.mhf.message.impl.xml.XMLMessage.java

License:Open Source License

/**
 * Gets a list of MessageIndex//  w  ww . j a  va  2  s.  com
 * returned from the XPath
 *
 * @param location Xpath to evaluate
 * @return The List of Node
 */
@SuppressWarnings("unchecked")
public Message getPart(Object location) throws MessageAccessException, MessageParseException {
    if (!(location instanceof XPath)) {
        throw new MessageAccessException("Only XPath location's are supported for accessing XMLMessage parts - "
                + "received: " + location.getClass());
    }
    XPath xpath = (XPath) location;

    String key = GET_PART_KEY_PREFIX + xpath.getText();
    if (getCache().containsKey(key)) {
        return (Message) getCache().get(key);
    } else {
        Node result = xpath.selectSingleNode(getDocument());
        Message indexedResult = new XMLMessageFactory().build(result, true);
        getCache().put(key, indexedResult);
        return indexedResult;
    }
}

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