Examples of org.apache.commons.jxpath.IdentityManager

org.apache.commons.jxpath.IdentityManager
A delegate of JXPathContext that implements the XPath "id()" function. This delegate is only used when there is no default implementation of the id() function. For example, it is not used when the root of the context is a DOM Node. @author Dmitri Plotnikov @version $Revision: 1.2 $ $Date: 2003/03/11 00:59:12 $

        assertXPathValue(context, "round(-1.5)", new Double(-1));
        assertXPathValue(context, "null()", null);
    }


    public void testIDFunction() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/document");
                ptr = ptr.getValuePointer();
                return ptr.getPointerByID(context, id);
            }

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            new Double(0),
            context.getValue("count(vendor/location[@id = '100']/@name)"));
    }


    public void testID() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/");
                ptr = ptr.getValuePointer(); // Unwrap the container
                return ptr.getPointerByID(context, id);
            }

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            new Double(0),
            context.getValue("count(vendor/location[@id = '100']/@name)"));
    }


    public void testID() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/");
                ptr = ptr.getValuePointer(); // Unwrap the container
                return ptr.getPointerByID(context, id);
            }

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        assertXPathValue(context, "round(-2 div 0)", new Double(Double.NEGATIVE_INFINITY));
        assertXPathValue(context, "round(2 div 0)", new Double(Double.POSITIVE_INFINITY));
    }


    public void testIDFunction() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/document");
                ptr = ptr.getValuePointer();
                return ptr.getPointerByID(context, id);
            }

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        assertXPathValue(context, "round(-1.5)", new Double(-1));
        assertXPathValue(context, "null()", null);        
    }


    public void testIDFunction() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/document");
                ptr = ptr.getValuePointer();
                return ptr.getPointerByID(context, id);
            }

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            new Double(0),
            context.getValue("count(vendor/location[@id = '100']/@name)"));
    }


    public void testID() {
        context.setIdentityManager(new IdentityManager() {
            public Pointer getPointerByID(JXPathContext context, String id) {
                NodePointer ptr = (NodePointer) context.getPointer("/");
                ptr = ptr.getValuePointer(); // Unwrap the container
                return ptr.getPointerByID(context, id);
            }

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Related Classes of org.apache.commons.jxpath.IdentityManager

org.apache.commons.jxpath.ri.compiler.CoreFunctionTest

org.apache.commons.jxpath.ri.model.XMLModelTestCase

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