Examples of org.apache.axiom.om.OMDataSourceExt

org.apache.axiom.om.OMDataSourceExt
Interface to a backing object that can can be read and written as XML. To plug an arbitrary object into an OM tree. Follow these steps 1) Provide a class that implements OMDataSourceExt. 2) Use OMFactory.createOMElement(OMDataSource, String, OMNamespace) to build an OMSourcedElement. 3) Add the OMSourcedElement to the OM tree. OMDataSourceExt provides additional methods that are not available on the original OMDataSource. @see OMDataSource @see OMSourceElementImpl

        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();
        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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            !(ds instanceof OMDataSourceExt)) {
            return super.clone(options, targetParent);
        }
        
        // If copying is destructive, then copy the OM tree
        OMDataSourceExt sourceDS = (OMDataSourceExt) ds;
        if (sourceDS.isDestructiveRead() ||
            sourceDS.isDestructiveWrite()) {
            return super.clone(options, targetParent);
        }
        OMDataSourceExt targetDS = ((OMDataSourceExt) ds).copy();
        if (targetDS == null) {
            return super.clone(options, targetParent);
        }
        // Otherwise create a target OMSE with the copied DataSource
        OMSourcedElementImpl targetOMSE;

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        parent.addChild(omse);
        firstChild = parent.getFirstOMChild();
        child = (OMSourcedElement) firstChild;
        
        // Test getting the raw bytes from the ByteArrayDataSource.
        OMDataSourceExt ds = (OMDataSourceExt) child.getDataSource();
        byte[] bytes = ds.getXMLBytes(encoding);  // Get the bytes as UTF-16 
        String payload = new String(bytes, encoding);
        assertTrue("The obtained bytes did not match the payload",
                   payload1.equals(payload));
    }

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        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));
        
        // Validate close
        ds.close();
        assertTrue("Close should free the resource", ds.getObject() == null);
    }

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        assertNull(element.getNextOMSibling());
        assertFalse(element.isExpanded());
    }


    public void testSerializeModifiedOMSEWithNonDestructiveDataSource() throws Exception {
        OMDataSourceExt ds = new CharArrayDataSource("<element><child/></element>".toCharArray());
        assertFalse(ds.isDestructiveWrite());
        
        OMFactory f = new OMLinkedListImplFactory();
        OMElement element = new OMSourcedElementImpl("element", null, f, ds);
        
        element.getFirstElement().setText("TEST");

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        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));
        
       
        // Test getting the raw bytes with the default encoding
        OMOutputFormat outputFormat = new OMOutputFormat();
        baos = new ByteArrayOutputStream();
        ds.serialize(baos, outputFormat);
        output = baos.toString(OMOutputFormat.DEFAULT_CHAR_SET_ENCODING);
//        System.out.println(output);
        assertTrue("The obtained bytes did not match the payload",
                   payload1.equals(output));     
    }

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            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        
        // If copying is destructive, then copy the OM tree
        OMDataSourceExt sourceDS = (OMDataSourceExt) ds;
        if (sourceDS.isDestructiveRead() ||
            sourceDS.isDestructiveWrite()) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        OMDataSourceExt targetDS = ((OMDataSourceExt) ds).copy();
        if (targetDS == null) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        // Otherwise create a target OMSE with the copied DataSource

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            copySOAPHeaderBlock_NoDataSource(factory, targetParent, sourceSHB);
            return;
        }
        
        // If copying is destructive, then copy the OM tree
        OMDataSourceExt sourceDS = (OMDataSourceExt) ds;
        if (sourceDS.isDestructiveRead() ||
            sourceDS.isDestructiveWrite()) {
            copySOAPHeaderBlock_NoDataSource(factory, targetParent, sourceSHB);
            return;
        }
        
        // Otherwise create a copy of the OMDataSource
        OMDataSourceExt targetDS = ((OMDataSourceExt) ds).copy();
        SOAPHeaderBlock targetSHB =
            factory.createSOAPHeaderBlock(sourceSHB.getLocalName(), 
                                          sourceSHB.getNamespace(), 
                                          targetDS);
        targetParent.addChild(targetSHB);

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        assertNull(element.getNextOMSibling());
        assertFalse(element.isExpanded());
    }


    public void testSerializeModifiedOMSEWithNonDestructiveDataSource() throws Exception {
        OMDataSourceExt ds = new CharArrayDataSource("<element><child/></element>".toCharArray());
        assertFalse(ds.isDestructiveWrite());
        
        OMFactory f = new OMLinkedListImplFactory();
        OMElement element = new OMSourcedElementImpl("element", null, f, ds);
        
        element.getFirstElement().setText("TEST");

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            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        
        // If copying is destructive, then copy the OM tree
        OMDataSourceExt sourceDS = (OMDataSourceExt) ds;
        if (sourceDS.isDestructiveRead() ||
            sourceDS.isDestructiveWrite()) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        OMDataSourceExt targetDS = ((OMDataSourceExt) ds).copy();
        if (targetDS == null) {
            copyOMElement(factory, targetParent, sourceOMSE);
            return;
        }
        // Otherwise create a target OMSE with the copied DataSource

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Related Classes of org.apache.axiom.om.OMDataSourceExt

org.apache.axiom.om.impl.llom.OMSourcedElementImpl

org.apache.axiom.om.impl.llom.OMSourcedElementTest

org.apache.axiom.om.util.CopyUtils

org.apache.axiom.ts.om.sourcedelement.TestByteArrayDS

org.apache.axiom.ts.om.sourcedelement.TestCharArrayDS

org.apache.axiom.ts.om.sourcedelement.TestInputStreamDS

org.apache.axiom.ts.om.sourcedelement.TestSerializeModifiedOMSEWithNonDestructiveDataSource

org.apache.axiom.ts.soap.headerblock.TestByteArrayDS

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