Examples of org.apache.axiom.om.OMSourcedElement

org.apache.axiom.om.OMSourcedElement
An OMSourcedElement is an OMElement whose data is backed by an arbitrary java object. The backing java object is accessed via the OMDataSource (or OMDataSourceExt) interface. An OMSourcedElement can be in one of two states. Not Expanded: In this state the backing object is used to read and write the xml Expanded: In this state, the OMSourcedElement is backed by a normal OM tree. Here are the steps to place an arbitrary java object into the OM tree. 1) Write an OMDataSourceExt class that provides access to your java object. 2) Use OMFactory.createOMElement(OMDataSource, String, OMNamespace) to create the OMSourcedElement. 3) Attach the OMSourcedElement to your OMTree.

    }
    
    void next() throws XMLStreamException {
        if (nextNode()) {
            if (node instanceof OMSourcedElement) {
                OMSourcedElement element = (OMSourcedElement)node;
                if (!element.isExpanded()) {
                    OMDataSource ds = element.getDataSource();
                    if (ds != null) {
                        if (serializer.isDataSourceALeaf()) {
                            this.ds = ds;
                            currentEvent = -1;
                            // Mark the node as visited so that we continue with the next sibling

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        // This is possible because JiBXDataSource is non destructive and implements the copy()
        // method.
        OMCloneOptions options = new OMCloneOptions();
        options.setCopyOMDataSources(true);
        boolean oldExpanded = element.isExpanded();
        OMSourcedElement clone = (OMSourcedElement)element.clone(options);
        if (element.isExpanded() != oldExpanded) {
            throw new AxisFault("Ooops! Accidentally expanded the original OMSourcedElement; this is unexpected...");
        }
        // Force OMSourcedElement to get the element name via QNameAwareOMDataSource
        log.info("Found OMSourcedElement: name=" + clone.getLocalName()
                + "; namespace=" + clone.getNamespaceURI()
                + "; prefix=" + clone.getPrefix());
        // The OMSourcedElement should still be unexpanded
        if (clone.isExpanded()) {
            throw new AxisFault("OMSourcedElement unexpectedly expanded!");
        }
        // Now force expansion to let OMSourcedElement validate that the name is correct
        clone.getFirstOMChild();
    }

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        ParserInputStreamCustomBuilder customBuilder = new ParserInputStreamCustomBuilder("UTF-8");
        InputStream payload = new ByteArrayInputStream(mockPayload.getBytes());
        OMElement om= customBuilder.create("urn:sample", "invokeOp",(OMContainer) body, parser, OMAbstractFactory.getOMFactory(), payload);
        assertTrue(om!=null);
        assertTrue(om instanceof OMSourcedElement);
        OMSourcedElement ose = (OMSourcedElement)om;
        assertNotNull(ose.getDataSource());
        assertTrue((ose.getDataSource()) instanceof ParserInputStreamDataSource);
  }

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        return TextFileDataSource.createOMSourcedElement(tmp, charset);
    }
    
    public void testWithXMLChars() throws Exception {
        String testString = "Test string with ampersand (&)";
        OMSourcedElement element = createSourcedElement(testString, UTF8);
        assertEquals(testString, element.getText());
    }

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        OMSourcedElement element = createSourcedElement(testString, UTF8);
        assertEquals(testString, element.getText());
    }
    
    public void testSerializeToBytes() throws Exception {
        OMSourcedElement element = createSourcedElement("test", UTF8);
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        element.serialize(baos);
        byte[] actual = baos.toByteArray();
        baos.reset();
        // We validate the result by creating an equivalent OMElement
        // and calling serialize on it. The two results must be identical.
        element.cloneOMElement().serialize(baos);
        byte[] expected = baos.toByteArray();
        assertTrue(Arrays.equals(expected, actual));
    }

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        byte[] expected = baos.toByteArray();
        assertTrue(Arrays.equals(expected, actual));
    }
    
    public void testSerializeToChars() throws Exception {
        OMSourcedElement element = createSourcedElement("test", UTF8);
        StringWriter sw = new StringWriter();
        element.serialize(sw);
        String actual = sw.toString();
        sw.getBuffer().setLength(0);
        // Compare with the behavior of an equivalent OMElement
        element.cloneOMElement().serialize(sw);
        String expected = sw.toString();
        assertEquals(expected, actual);
    }

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        if (targetDS == null) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        // Otherwise create a target OMSE with the copied DataSource
        OMSourcedElement targetOMSE =
            factory.createOMElement(targetDS, 
                                    sourceOMSE.getLocalName(), 
                                    sourceOMSE.getNamespace());
        targetParent.addChild(targetOMSE);

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        // Create a payload
        String text = "<tns:payload xmlns:tns=\"urn://test\">Hello World</tns:payload>";
        String encoding = "UTF-8";
        ByteArrayDataSource bads = new ByteArrayDataSource(text.getBytes(encoding), encoding);
        OMNamespace ns = body.getOMFactory().createOMNamespace("urn://test", "tns");
        OMSourcedElement omse =body.getOMFactory().createOMElement(bads, "payload", ns);
        body.addChild(omse);
        copyAndCheck(sourceEnv, true);
    }

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        // Create a payload
        String text = "<tns:payload xmlns:tns=\"urn://test\">Hello World</tns:payload>";
        ByteArrayDataSource bads = new ByteArrayDataSource(text.getBytes(encoding), encoding);
        OMNamespace ns = body.getOMFactory().createOMNamespace("urn://test", "tns");
        OMSourcedElement omse =body.getOMFactory().createOMElement(bads, "payload", ns);
        body.addChild(omse);
        
        copyAndCheck(sourceEnv, true);
        
        // The source SOAPHeaderBlock should not be expanded in the process

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        // Create a payload
        String text = "<tns:payload xmlns:tns=\"urn://test\">Hello World</tns:payload>";
        String encoding = "UTF-8";
        ByteArrayDataSource bads = new ByteArrayDataSource(text.getBytes(encoding), encoding);
        OMNamespace ns = body.getOMFactory().createOMNamespace("urn://test", "tns");
        OMSourcedElement omse =body.getOMFactory().createOMElement(bads, "payload", ns);
        body.addChild(omse);
        copyAndCheck(sourceEnv, true);
    }

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