Examples of com.volantis.mcs.xml.xpath.XPath

com.volantis.mcs.xml.xpath.XPath
A set of ODOM XPath utilities are required that will allow, amongst other things:
- access to the string XPath representation required to access a given (O/J)DOM element, attribute or text node either as an absolute path in the document or relative to an ancestor (O/J)DOM element.
- creation of the (O/J)DOM elements and attribute/text node missing within a given (O/J)DOM hierarchy from a given absolute or relative XPath string
- access to an existing (O/J)DOM element, attribute or text node using an absolute or relative path within a given document/base element.

            this.expectedErrorKey = expectedErrorKey;
        }


        // javadoc inherited
        public void reportError(ErrorDetails details) {
            XPath xPath = details.getXPath();
            String key = details.getKey();


            Assert.assertEquals("XPath not as",
                                new XPath(element).getExternalForm(),
                                xPath.getExternalForm());
            Assert.assertEquals("Error key not as",
                                expectedErrorKey,
                                key);
            reported = true;
        }

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        resource = new MockFile(POLICY_FILE);




        // set up a number of paths for the test
        XPath root = new XPath("/");
        XPath aPath1 = new XPath("/aone");
        XPath aPath2 = new XPath("/aone/atwo");


        XPath bPath1 = new XPath("/bone");
        XPath bPath2 = new XPath("/bone/btwo");


        XPath bPath3 = new XPath("/bone/bthree");
        XPath cPath1 = new XPath("/cone");




        mger = new MarkerGeneratingErrorReporter(resource,
                new Element("aone"), null);


        // create PROBLEM markers from the paths
        IMarker marker1 = resource.createMarker(IMarker.PROBLEM);
        marker1.setAttribute(XPath.class.getName(), aPath2.getExternalForm());
        marker1.setAttribute(NAMESPACES_ATTRIBUTE, ":aPath2Test");


        IMarker marker2 = resource.createMarker(IMarker.PROBLEM);
        marker2.setAttribute(XPath.class.getName(), aPath1.getExternalForm());
        marker2.setAttribute(NAMESPACES_ATTRIBUTE, ":aPath1Test");


        IMarker marker3 = resource.createMarker(IMarker.PROBLEM);
        marker3.setAttribute(XPath.class.getName(), bPath2.getExternalForm());
        marker3.setAttribute(NAMESPACES_ATTRIBUTE, ":bPath2Test");


        // create some MESSAGE markers
        IMarker marker4 = resource.createMarker(IMarker.MESSAGE);
        marker4.setAttribute(XPath.class.getName(), bPath1.getExternalForm());
        marker4.setAttribute(NAMESPACES_ATTRIBUTE, ":bPath2Test");


        IMarker marker5= resource.createMarker(IMarker.MESSAGE);
        marker5.setAttribute(XPath.class.getName(), bPath3.getExternalForm());
        marker5.setAttribute(NAMESPACES_ATTRIBUTE, ":cPath1Test");




        IMarker markerc = resource.createMarker(IMarker.MESSAGE);
        markerc.setAttribute(XPath.class.getName(), cPath1.getExternalForm());
        markerc.setAttribute(NAMESPACES_ATTRIBUTE, ":cPathTest");


        // test to ensure that XPath is NOT returned for the correct path string but incorrect namespace
        Assert.assertEquals("try to obtain xPath using correct namespace",
                bPath2.getExternalForm(),

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            ODOMElement context,
            String xpathStr)
            throws Exception {


        // Update is expected to work on exactly one entity
        final XPath xpath = new XPath(xpathStr);
        final List finds = xpath.selectNodes(context);
        if (finds == null) {
            throw new IllegalStateException(
                    "Found null: " + xpath.getExternalForm());
        }
        if (finds.size() != 1) {
            throw new IllegalStateException(
                    "Found " + finds.size() + " in " + xpath.getExternalForm());
        }
        final ODOMObservable found = (ODOMObservable)finds.get(0);
        Utils.print("\nFind OK: " + xpath.getExternalForm());
        return found;
    }

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        private boolean completed;
        private List errors = new ArrayList();


        // javadoc iherited
        public void reportError(ErrorDetails details) {
            XPath xpath = details.getXPath();
            String key = details.getKey();


            assertEquals("Key should match", FaultTypes.DUPLICATE_NAME, key);
            errors.add(xpath.getExternalForm());
        }

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     * @return the required element
     */
    protected ODOMElement buildLPDMODOM(String xml,
                                        String requiredElementXPath)
        throws Exception {
        XPath xpath = new XPath(requiredElementXPath,
                                new Namespace[] {MCSNamespace.LPDM});
        SAXBuilder builder = new SAXBuilder();


        // Make sure we create the DOM with default LPDM namespace
        builder.setFactory(new LPDMODOMFactory());


        return (ODOMElement)xpath.selectSingleNode(
            builder.build(new StringReader(xml)).getRootElement());
    }

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            }
        });


        manager.performOperation(new ODOMEditorContextOperation() {
            public void perform(ODOMEditorContext context) throws Exception {
                XPath root = new XPath("/");
                XPath aPath1 = new XPath("/aone");
                XPath aPath2 = new XPath("/aone/atwo");


                XPath bPath1 = new XPath("/bone");
                XPath bPath2 = new XPath("/bone/btwo");


                IMarker marker1 = resource.createMarker(IMarker.PROBLEM);
                marker1.setAttribute(XPath.class.getName(),
                        aPath2.getExternalForm());
                IMarker marker2 = resource.createMarker(IMarker.PROBLEM);
                marker2.setAttribute(XPath.class.getName(),
                        aPath1.getExternalForm());
                IMarker marker3 = resource.createMarker(IMarker.PROBLEM);
                marker3.setAttribute(XPath.class.getName(),
                        bPath2.getExternalForm());
                IMarker marker4 = resource.createMarker(IMarker.MESSAGE);
                marker4.setAttribute(XPath.class.getName(),
                        bPath1.getExternalForm());


                IMarker markers [];

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        ODOMElement[] selection;


        if (xpaths == null) {
            selection = new ODOMElement[0];
        } else {
            XPath xpath;
            selection = new ODOMElement[xpaths.length];


            for (int i = 0; i < xpaths.length; i++) {
                xpath = new XPath(xpaths[i], namespaces);


                selection[i] = (ODOMElement)xpath.selectSingleElement(
                        data.getDocument());
            }
        }


        ((TestDataImpl)data).setSelection(selection);

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        builder.setFactory(FormatPrototype.factory);


        Element root = builder.build(new StringReader(xml)).getRootElement();




         XPath gridXPath = new XPath("/action:layout/" +
                "action:canvasLayout[2]/" +
                "action:gridFormat", namespace);


         XPath paneXPath = new XPath("/action:layout/" +
                "action:canvasLayout[2]/" +
                "action:gridFormat/" +
                "action:gridFormatRow/" +
                "action:paneFormat", namespace);


        Element grid = gridXPath.selectSingleElement(root);
        Element pane = paneXPath.selectSingleElement(root);


        assertTrue("pane and grid do not have a common layout",
                ActionSupport.haveCommonLayout(grid, pane));


        XPath otherPaneXPath = new XPath("/action:layout/" +
                "action:canvasLayout[1]/" +
                "action:paneFormat", namespace);


        Element otherPane = otherPaneXPath.selectSingleElement(root);
        assertNotNull(otherPane);
        assertFalse("otherPane and pane do have a common layout",
                ActionSupport.haveCommonLayout(pane, otherPane));
    }

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        builder.setFactory(FormatPrototype.factory);


        Element root = builder.build(new StringReader(xml)).getRootElement();




         XPath gridXPath = new XPath("/action:layout/" +
                "action:canvasLayout[2]/" +
                "action:gridFormat", namespace);


         XPath paneXPath = new XPath("/action:layout/" +
                "action:canvasLayout[2]/" +
                "action:gridFormat/" +
                "action:gridFormatRow/" +
                "action:paneFormat", namespace);


        Element grid = gridXPath.selectSingleElement(root);
        Element pane = paneXPath.selectSingleElement(root);


        assertTrue("pane is not a descendent of grid",
                ActionSupport.isDescendent(grid, pane));


        XPath otherPaneXPath = new XPath("/action:layout/" +
                "action:canvasLayout[1]/" +
                "action:paneFormat", namespace);


        Element otherPane = otherPaneXPath.selectSingleElement(root);
        assertNotNull(otherPane);
        assertFalse("otherPane is a descendent of grid",
                ActionSupport.isDescendent(grid, otherPane));
    }

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                "                <paneFormat name='pane'/>" +
                "            </gridFormatRow>" +
                "        </gridFormat>" +
                "    </canvasLayout>" +
                "</layout>",
                new XPath("/action:layout/" +
                "action:canvasLayout[2]/" +
                "action:gridFormat/" +
                "action:gridFormatRow/" +
                "action:paneFormat",
                        namespace));

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