Examples of org.dom4j.XPath.selectSingleNode()

org.dom4j.XPath.selectSingleNode()

selectSingleNode evaluates this XPath expression on the given {@link Node}or {@link List}of {@link Node}s and returns the result as a single Node instance.
@param context is either a node or a list of nodes on which to evalute theXPath @return a single matching Node instance


        XPath xpath = DocumentHelper
            .createXPath("/t2f:workflow/t2f:dataflow[@role='top']/t2f:annotations/*/*/*/*/annotationBean[@class='net.sf.taverna.t2.annotation.annotationbeans.DescriptiveTitle']/text");


        xpath.setNamespaceURIs(T2FLOW_NAMESPACE_MAP);
        Node node = xpath.selectSingleNode(doc);
        if (node == null) {
            return null;
        }
        return node.getText();
    }

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        XPath xpath = DocumentHelper
            .createXPath("/t2f:workflow/t2f:dataflow[@role='top']/t2f:annotations/*/*/*/*/annotationBean[@class='net.sf.taverna.t2.annotation.annotationbeans.FreeTextDescription']/text");


        xpath.setNamespaceURIs(T2FLOW_NAMESPACE_MAP);
        Node node = xpath.selectSingleNode(doc);
        if (node == null) {
            return null;
        }
        return node.getText();
    }

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        XPath xpath = DocumentHelper
            .createXPath("/t2f:workflow/t2f:dataflow[@role='top']/t2f:annotations/*/*/*/*/annotationBean[@class='net.sf.taverna.t2.annotation.annotationbeans.Author']/text");


        xpath.setNamespaceURIs(T2FLOW_NAMESPACE_MAP);
        Node node = xpath.selectSingleNode(doc);
        if (node == null) {
            return null;
        }
        return node.getText();
    }

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     * @return a single node or null if none found
     */
    private Node getSingleNode(Document document, String xPath) {
        XPath x = DocumentHelper.createXPath(xPath);
        x.setNamespaceURIs(T2FLOW_NAMESPACE_MAP);
        return x.selectSingleNode(document);
    }


    /**
     * Returns the content of a single node.
     *

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