Examples of 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.

Examples of org.apache.axiom.om.OMSourcedElement

    }


    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMDataSource ds = new ByteArrayDataSource("<p:element xmlns:p='urn:ns'>test</p:element>".getBytes("utf-8"), "utf-8");
        OMSourcedElement element = factory.createOMElement(ds);
        OMCloneOptions options = new OMCloneOptions();
        options.setCopyOMDataSources(true);
        OMElement clone = (OMElement)element.clone(options);
        assertTrue(clone instanceof OMSourcedElement);
        assertFalse(element.isExpanded());
        OMNamespace expectedNS = factory.createOMNamespace("urn:ns", "p");
        assertEquals("element", element.getLocalName());
        assertEquals("element", clone.getLocalName());
        assertEquals(expectedNS, element.getNamespace());
        assertEquals(expectedNS, clone.getNamespace());
    }

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Examples of org.apache.axiom.om.OMSourcedElement

        String payload1 = "<tns:myPayload xmlns:tns=\"urn://test\">Payload One</tns:myPayload>";
        OMNamespace ns = factory.createOMNamespace("urn://test", "tns");
        CharArrayDataSource cads = new CharArrayDataSource(payload1.toCharArray());


        OMElement parent = factory.createOMElement("root", null);
        OMSourcedElement omse = factory.createOMElement(cads, localName, ns);
        parent.addChild(omse);
        OMNode firstChild = parent.getFirstOMChild();
        assertTrue("Expected OMSourcedElement child", firstChild instanceof OMSourcedElement);
        OMSourcedElement child = (OMSourcedElement) firstChild;
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        assertTrue("OMSourcedElement should be backed by a ByteArrayDataSource",
                   child.getDataSource() instanceof CharArrayDataSource);
        
        // A CharArrayDataSource does not consume the backing object when read.
        // Thus getting the XMLStreamReader of the CharArrayDataSource should not 
        // cause expansion of the OMSourcedElement.
        XMLStreamReader reader = child.getXMLStreamReader();
        reader.next();
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        
        // Likewise, a CharArrayDataSource does not consume the backing object when 
        // written.  Thus serializing the OMSourcedElement should not cause the expansion
        // of the OMSourcedElement.
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        parent.serialize(baos);
        String output = baos.toString(encoding);
//        System.out.println(output);
        assertTrue("The payload was not present in the output",
                   output.indexOf(payload1) > 0);
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        
        // Test getting the raw bytes from the ByteArrayDataSource.
        OMDataSourceExt ds = (OMDataSourceExt) child.getDataSource();
        char[] chars = (char[]) ds.getObject();  // Get the chars
        String payload = new String(chars);
        assertTrue("The obtained chars did not match the payload",
                   payload1.equals(payload));

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Examples of org.apache.axiom.om.OMSourcedElement


    protected void runTest() throws Throwable {
        OMFactory omFactory = metaFactory.getOMFactory();
        OMDataSource ds = new CharArrayDataSource("<a>test</a>".toCharArray());
        OMElement root = omFactory.createOMElement(new QName("root"));
        OMSourcedElement child = omFactory.createOMElement(ds, "a", null);
        root.addChild(child);
        assertFalse(child.isExpanded());
        XMLStreamReader stream = root.getXMLStreamReader();
        assertEquals(XMLStreamReader.START_ELEMENT, stream.next());
        assertEquals("root", stream.getLocalName());
        assertEquals(XMLStreamReader.START_ELEMENT, stream.next());
        assertEquals(XMLStreamReader.CHARACTERS, stream.next());
        assertEquals("test", stream.getText());
        assertEquals(XMLStreamReader.END_ELEMENT, stream.next());
        assertEquals(XMLStreamReader.END_ELEMENT, stream.next());
        assertEquals(XMLStreamReader.END_DOCUMENT, stream.next());
        assertFalse(child.isExpanded());
    }

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Examples of org.apache.axiom.om.OMSourcedElement

        
        // 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);
        
        // The source SOAPHeaderBlock should not be expanded in the process

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Examples of org.apache.axiom.om.OMSourcedElement

    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        DataSource ds = new RandomDataSource(445566, 32, 128, 20000000);
        QName qname = new QName("a");
        Charset cs = Charset.forName("ascii");
        OMSourcedElement element = factory.createOMElement(
                new WrappedTextNodeOMDataSourceFromDataSource(qname, ds, cs), qname);
        Reader in = element.getTextAsStream(true);
        assertFalse(in instanceof StringReader);
        IOTestUtils.compareStreams(new InputStreamReader(ds.getInputStream(), cs), in);
        assertFalse(element.isExpanded());
    }

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Examples of org.apache.axiom.om.OMSourcedElement

        addTestProperty("expand", String.valueOf(expand));
    }


    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMSourcedElement element = factory.createOMElement(
                new TestDataSource("<p:root xmlns:p='urn:test'><child/></p:root>"),
                "root", factory.createOMNamespace("urn:test", "p"));
        if (expand) {
            element.getFirstOMChild();
        }
        element.setLocalName("newroot");
        XMLAssert.assertXMLEqual("<p:newroot xmlns:p='urn:test'><child/></p:newroot>", element.toString());
    }

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Examples of org.apache.axiom.om.OMSourcedElement

        String payload1 = "<tns:myPayload xmlns:tns=\"urn://test\">Payload One</tns:myPayload>";
        OMNamespace ns = factory.createOMNamespace("urn://test", "tns");
        ByteArrayDataSource bads1 = new ByteArrayDataSource(payload1.getBytes(encoding), encoding);


        OMElement parent = factory.createOMElement("root", null);
        OMSourcedElement omse = factory.createOMElement(bads1, localName, ns);
        parent.addChild(omse);
        OMNode firstChild = parent.getFirstOMChild();
        assertTrue("Expected OMSourcedElement child", firstChild instanceof OMSourcedElement);
        OMSourcedElement child = (OMSourcedElement) firstChild;
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        assertTrue("OMSourcedElement should be backed by a ByteArrayDataSource",
                   child.getDataSource() instanceof ByteArrayDataSource);
        
        // A ByteArrayDataSource does not consume the backing object when read.
        // Thus getting the XMLStreamReader of the ByteArrayDataSource should not 
        // cause expansion of the OMSourcedElement.
        XMLStreamReader reader = child.getXMLStreamReader();
        reader.next();
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        
        // Likewise, a ByteArrayDataSource does not consume the backing object when 
        // written.  Thus serializing the OMSourcedElement should not cause the expansion
        // of the OMSourcedElement.
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        parent.serialize(baos);
        String output = baos.toString(encoding);
//        System.out.println(output);
        assertTrue("The payload was not present in the output",
                   output.indexOf(payload1) > 0);
        assertTrue("OMSourcedElement is expanded.  This is unexpected", !child.isExpanded());
        
        // If a consumer calls build or buildWithAttachments on the tree, the 
        // tree should not be expanded.
        parent.build();
        assertTrue("OMSourcedElement is expanded after build().  This is unexpected", !child.isExpanded());
        parent.buildWithAttachments();
        assertTrue("OMSourcedElement is expanded after buildWithAttachments().  This is unexpected", !child.isExpanded());
        
        // Test getting the raw bytes from the ByteArrayDataSource.
        OMDataSourceExt ds = (OMDataSourceExt) child.getDataSource();
        byte[] bytes = ds.getXMLBytes("UTF-16");  // Get the bytes as UTF-16 
        String payload = new String(bytes, "utf-16");
        assertTrue("The obtained bytes did not match the payload",
                   payload1.equals(payload));

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Examples of org.apache.axiom.om.OMSourcedElement

        // 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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Examples of org.apache.axiom.om.OMSourcedElement

        
        // 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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Examples of org.apache.axiom.om.OMSourcedElement

        super(metaFactory);
    }


    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        OMSourcedElement element = factory.createOMElement(new AbstractPullOMDataSource() {
            public XMLStreamReader getReader() throws XMLStreamException {
                throw new XMLStreamException("Test exception");
            }
            
            public boolean isDestructiveRead() {
                return true;
            }
        });
        try {
            element.getLocalName();
            fail("Expected OMException");
        } catch (OMException ex) {
            Throwable cause = ex.getCause();
            assertTrue(cause instanceof XMLStreamException);
            assertEquals("Test exception", cause.getMessage());

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