Examples of org.dom4j.XPath

org.dom4j.XPath

XPath represents an XPath expression after it has been parsed from a String.
@author James Strachan @version $Revision: 1.20 $

            {
                throw new IllegalArgumentException(CoreMessages.objectNotOfCorrectType(
                        src.getClass(), new Class[]{org.w3c.dom.Document.class, Document.class, String.class, byte[].class}).getMessage());
            }


            XPath xpath = dom4jDoc.createXPath(splitExpression);
            if (namespaces != null)
            {
                xpath.setNamespaceURIs(namespaces);
            }


            List foundNodes = xpath.selectNodes(dom4jDoc);
            if (enableCorrelation != CorrelationMode.NEVER)
            {
                message.setCorrelationGroupSize(foundNodes.size());
            }
            if (logger.isDebugEnabled())

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            Object result = null;
            if (src instanceof String)
            {
                Document doc = DocumentHelper.parseText((String) src);


                XPath xpath = doc.createXPath(expression);
                if (namespaces != null)
                {
                    xpath.setNamespaceURIs(namespaces);
                }
                
                // This is the way we always did it before, so keep doing it that way
                // as xpath.evaluate() will return non-string results (like Doubles)
                // for some scenarios.
                if (outputType == null && singleResult)
                {
                    return xpath.valueOf(doc);
                }
                
                // TODO handle non-list cases, see
                //http://www.dom4j.org/apidocs/org/dom4j/XPath.html#evaluate(java.lang.Object)
                Object obj = xpath.evaluate(doc);
                if (obj instanceof List)
                {
                    for (int i = 0; i < ((List) obj).size(); i++)
                    {
                        final Node node = (Node) ((List) obj).get(i);

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        if ( doc == null )
        {
            throw new AssertionFailedError( "Unable to assert an attribute using a null document." );
        }
    
        XPath xpath = doc.createXPath( xpathToNode );
    
        Node node = xpath.selectSingleNode( doc );
    
        if ( node != null )
        {
            throw new AssertionFailedError( "Element at '" + xpathToNode + "' should not exist." );
        }

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        if ( doc == null )
        {
            throw new AssertionFailedError( "Unable to assert an attribute using a null document." );
        }
    
        XPath xpath = doc.createXPath( xpathToNode );
    
        Node node = xpath.selectSingleNode( doc );
    
        if ( node == null )
        {
            throw new AssertionFailedError( "Expected Node at '" + xpathToNode + "', but was not found." );
        }

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        if ( doc == null )
        {
            throw new AssertionFailedError( "Unable to assert an attribute using a null document." );
        }
    
        XPath xpath = doc.createXPath( xpathToParentNode );
    
        List nodes = xpath.selectNodes( doc );
    
        if ( ( nodes == null ) || nodes.isEmpty() )
        {
            throw new AssertionFailedError( "Expected Node(s) at '" + xpathToParentNode + "', but was not found." );
        }

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          Iterator propertyAlias = rootElement.elementIterator("propertyAlias");
            while (propertyAlias.hasNext()) {
                Element e = (Element) propertyAlias.next();
                String propertyName = e.valueOf("@propertyName");


                XPath xpathSelector = DocumentHelper.createXPath("//*/defaultNS:property[@name=\"" + propertyName + "\"]");
                HashMap nsMap = new HashMap(1);
                nsMap.put("defaultNS", BPEL_NS);
                xpathSelector.setNamespaceURIs(nsMap);
                Node propNode = xpathSelector.selectSingleNode(doc);


                Property prop = (Property) addedProperty.get(propertyName);
                if (propNode != null && prop == null) {
                    prop = ProcessFactory.addProperty(tp,
                            propertyName, propNode.valueOf("@type"));

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    }


    public Element getElement( String xpathExpr )
        throws XMLException
    {
        XPath xpath = createXPath( xpathExpr );
        Object evaluated = xpath.selectSingleNode( document );


        if ( evaluated == null )
        {
            return null;
        }

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        }
    }


    private XPath createXPath( String xpathExpr )
    {
        XPath xpath = document.createXPath( xpathExpr );
        if ( !this.namespaceMap.isEmpty() )
        {
            xpath.setNamespaceURIs( this.namespaceMap );
        }
        return xpath;
    }

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    }


    public boolean hasElement( String xpathExpr )
        throws XMLException
    {
        XPath xpath = createXPath( xpathExpr );
        Object evaluated = xpath.selectSingleNode( document );


        if ( evaluated == null )
        {
            return false;
        }

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    }


    public String getElementText( Node context, String xpathExpr )
        throws XMLException
    {
        XPath xpath = createXPath( xpathExpr );
        Object evaluated = xpath.selectSingleNode( context );


        if ( evaluated == null )
        {
            return null;
        }

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