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.

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


    protected void runTest() throws Throwable {
        PushOMDataSource ds = new PushOMDataSource();
        OMSourcedElement element = metaFactory.getOMFactory().createOMElement(ds);
        XMLStreamReader reader = element.getXMLStreamReader(cache);
        assertEquals(XMLStreamReader.START_ELEMENT, reader.next());
        assertEquals(ds.getLocalName(), reader.getLocalName());
        assertEquals(ds.getNamespaceURI(), reader.getNamespaceURI());
        assertEquals(ds.getPrefix(), reader.getPrefix());
        // Since the OMDataSource is push-only, getXMLStreamReader will cause expansion regardless
        // of the value of the cache flag
        assertTrue(element.isExpanded());
        // In addition, if the element is expanded, it will always be complete
        assertTrue(element.isComplete());
        
        // Verify remaining events
        assertEquals(XMLStreamReader.START_ELEMENT, reader.next());
        assertEquals("child", reader.getLocalName());
        assertEquals(XMLStreamReader.END_ELEMENT, reader.next());

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    }


    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        DataSource ds = new DataHandler("test", "text/plain; charset=utf-8").getDataSource();
        OMSourcedElement element = factory.createOMElement(new WrappedTextNodeOMDataSourceFromDataSource(new QName("wrapper"), ds, Charset.forName("utf-8")));
        // getObject returns null if the data source is not of the expected type
        assertNull(element.getObject(CharArrayDataSource.class));
        // Test with the right data source type
        assertSame(ds, element.getObject(WrappedTextNodeOMDataSourceFromDataSource.class));
        assertSame(ds, element.getObject(WrappedTextNodeOMDataSource.class));
        // Now modify the content of the element
        factory.createOMComment(element, "comment");
        assertNull(element.getObject(WrappedTextNodeOMDataSourceFromDataSource.class));
    }

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    protected void runTest() throws Throwable {
        OMFactory factory = metaFactory.getOMFactory();
        DataSource ds = new RandomDataSource(665544, 32, 128, 20000000);
        QName qname = new QName("a");
        OMSourcedElement element = factory.createOMElement(
                new WrappedTextNodeOMDataSourceFromDataSource(qname, ds, Charset.forName("ascii")), qname);
        Reader in = new InputStreamReader(ds.getInputStream(), "ascii");
        Writer out = new CharacterStreamComparator(in);
        element.writeTextTo(out, true); // cache doesn't matter here
        out.close();
        assertFalse(element.isExpanded());
    }

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        // Make sure the Axiom structure is intact
        SOAPEnvelope env = axisMC.getEnvelope();
        SOAPBody body = env.getBody();
        OMElement child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        OMSourcedElement omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        OMDataSource ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Now simulate persisting the message
        File theFile = null;
        String theFilename = null;
        theFile = File.createTempFile("MessagePersistTest", null);
        //theFile.deleteOnExit();
        theFilename = theFile.getName();
        TestLogger.logger.debug("temp file = [" + theFilename + "]");
        
        // Setup an output stream to a physical file
        FileOutputStream outStream = new FileOutputStream(theFile);


        // Attach a stream capable of writing objects to the 
        // stream connected to the file
        ObjectOutputStream outObjStream = new ObjectOutputStream(outStream);


        // Try to save the message context
        TestLogger.logger.debug("saving message context.....");
        outObjStream.writeObject(axisMC);


        // Close out the streams
        outObjStream.flush();
        outObjStream.close();
        outStream.flush();
        outStream.close();
        TestLogger.logger.debug("....saved message context.....");
        long filesize = theFile.length();
        TestLogger.logger.debug("file size after save [" + filesize
                + "]   temp file = [" + theFilename + "]");
        
        // Make sure the Axiom structure is intact.  
        env = axisMC.getEnvelope();
        body = env.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Simulate transport
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        env.serializeAndConsume(baos, new OMOutputFormat());

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        // Make sure the Axiom structure is intact
        SOAPEnvelope env = axisMC.getEnvelope();
        SOAPBody body = env.getBody();
        OMElement child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        OMSourcedElement omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        OMDataSource ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Now simulate persisting the message in memory
        SOAPEnvelope env2 = CopyUtils.copy(env);
        
        // Make sure the Axiom structure is intact.  
        env = axisMC.getEnvelope();
        body = env.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Simulate transport
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        env.serializeAndConsume(baos, new OMOutputFormat());


        // To check that the output is correct, get the String contents of the
        // reader
        String newText = baos.toString();
        TestLogger.logger.debug(newText);
        assertTrue(newText.contains(sampleJAXBText));
        assertTrue(newText.contains("soap"));
        assertTrue(newText.contains("Envelope"));
        assertTrue(newText.contains("Body"));
        
        
        // Now check the copied envelope
        body = env2.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBDataSource);
        
        // Simulate transport
        baos = new ByteArrayOutputStream();
        env2.serializeAndConsume(baos, new OMOutputFormat());

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        // Make sure the Axiom structure is intact
        SOAPEnvelope env = axisMC.getEnvelope();
        SOAPBody body = env.getBody();
        OMElement child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        OMSourcedElement omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        OMDataSource ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Now simulate persisting the message
        File theFile = null;
        String theFilename = null;
        theFile = File.createTempFile("MessagePersistTest", null);
        //theFile.deleteOnExit();
        theFilename = theFile.getName();
        TestLogger.logger.debug("temp file = [" + theFilename + "]");
        
        // Setup an output stream to a physical file
        FileOutputStream outStream = new FileOutputStream(theFile);


        // Attach a stream capable of writing objects to the 
        // stream connected to the file
        ObjectOutputStream outObjStream = new ObjectOutputStream(outStream);


        // Try to save the message context
        TestLogger.logger.debug("saving message context.....");
        outObjStream.writeObject(axisMC);


        // Close out the streams
        outObjStream.flush();
        outObjStream.close();
        outStream.flush();
        outStream.close();
        TestLogger.logger.debug("....saved message context.....");
        long filesize = theFile.length();
        TestLogger.logger.debug("file size after save [" + filesize
                + "]   temp file = [" + theFilename + "]");
        
        // Make sure the Axiom structure is intact.  
        env = axisMC.getEnvelope();
        body = env.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Simulate transport
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OMOutputFormat outputFormat = new OMOutputFormat();

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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);
      }catch(Exception e){
          fail(e.getMessage());
      }
  }

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            OMDataSource ds = new JAXBDataSource(jaxb, jdsContext);
            if (log.isDebugEnabled()) {
                log.debug("The JAXBDataSource is " + ds);
            }
            OMSourcedElement omse = factory.createOMElement(ds, localPart, ns);
            
            parent.addChild(omse);
            JAXBCustomBuilderMonitor.updateTotalCreates();
            return omse;
        } catch (JAXBException e) {

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            SOAPFaultDetail detail = factory.createSOAPFaultDetail(soapFault);
            if (!ignoreDetailBlocks) {
                for (int i = 0; i < blocks.length; i++) {
                    // A Block implements OMDataSource.  So create OMSourcedElements
                    // for each of the Blocks.
                    OMSourcedElement element =
                            factory.createOMElement(blocks[i], blocks[i].getQName());
                    detail.addChild(element);
                }
            }
        }

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        // Make sure the Axiom structure is intact
        SOAPEnvelope env = axisMC.getEnvelope();
        SOAPBody body = env.getBody();
        OMElement child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        OMSourcedElement omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        OMDataSource ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Now simulate persisting the message in memory
        SOAPEnvelope env2 = CopyUtils.copy(env);
        
        // Make sure the Axiom structure is intact.  
        env = axisMC.getEnvelope();
        body = env.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBBlockImpl);
        
        // Simulate transport
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        OMOutputFormat outputFormat = new OMOutputFormat();
        outputFormat.setDoOptimize(true);
        outputFormat.setMimeBoundary("MIMEBoundary_Axis2Rocks");
        env.serializeAndConsume(baos, outputFormat);


        String newText = baos.toString();
        TestLogger.logger.debug(newText);
        assertTrue(newText.contains("soap"));
        assertTrue(newText.contains("Envelope"));
        assertTrue(newText.contains("Body"));
        assertTrue(newText.indexOf("MIMEBoundary_Axis2Rocks") > 0);
        assertTrue(newText.indexOf(sampleText) > 0);
        assertTrue(newText.indexOf("<soapenv:Body><sendImage xmlns=\"urn://mtom.test.org\"><input><imageData><xop:Include") > 0);     
        
        // Now check the copied envelope
        body = env2.getBody();
        child = body.getFirstElement();
        assertTrue(child instanceof OMSourcedElement);
        omse = (OMSourcedElement) child;
        assertTrue(!omse.isExpanded());
        ds = omse.getDataSource();
        assertTrue(ds instanceof JAXBDataSource);
          
        // Simulate transport on the copied message
        baos = new ByteArrayOutputStream();
        outputFormat = new OMOutputFormat();

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org.apache.axiom.om.ds.jaxb.JAXBOMDataSourceTest

org.apache.axiom.om.ds.WrappedTextNodeOMDataSourceTest

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org.apache.axiom.om.impl.llom.OMStAXWrapperTest

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org.apache.axiom.om.util.CopyUtils

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org.apache.axiom.test.JAXBTest

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