Package org.apache.tuscany.sca.databinding

Examples of org.apache.tuscany.sca.databinding.DataBinding

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            dataType = (DataType)dataType.getLogical();
            db = dataType.getDataBinding();
        }
        XMLTypeHelper helper = helpers.get(db);
        if (helper == null) {
            DataBinding dataBinding = dataBindings.getDataBinding(db);
            if (dataBinding == null) {
                QName element = name;
                if (element == null || dataType.getLogical() instanceof XMLType) {
                    XMLType xmlType = (XMLType)dataType.getLogical();
                    if (xmlType.getElementName() != null) {
                        element = xmlType.getElementName();
                    }
                }
                return new ElementInfo(element, new TypeInfo(ANYTYPE_QNAME, false, null));
                // throw new ServiceRuntimeException("No data binding for " + db);
            }

            helper = dataBinding.getXMLTypeHelper();
            if (helper == null) {
                // Default to JAXB
                helper = helpers.get(JAXBDataBinding.NAME);
                if (helper == null) {
                    helper = dataBindings.getDataBinding(JAXBDataBinding.NAME).getXMLTypeHelper();
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            if (db == null || JAXB_DATABINDING.equals(db)) {
                db = assignInputDataBinding(operation);
            }

            // Introspect the wrapper data type
            DataBinding dbObj = dataBindingRegistry.getDataBinding(db);
            WrapperHandler handler = dbObj == null ? null : dbObj.getWrapperHandler();
            if (handler != null) {
                inputWrapperInfo.setWrapperType(handler.getWrapperType(operation, true));
            }
            if (dbObj != null && handler == null) {
                // To avoid JAXB wrapper bean generation
                inputWrapperInfo.setWrapperType(null);
            }
           
            // TUSCANY-3804 - handle output wrapper separately
            db = outputWrapperInfo.getDataBinding();
            if (db == null || JAXB_DATABINDING.equals(db)) {
                db = assignOutputDataBinding(operation);
            }
           
            // Introspect the wrapper data type
            dbObj = dataBindingRegistry.getDataBinding(db);
            handler = dbObj == null ? null : dbObj.getWrapperHandler();
            if (handler != null) {
                outputWrapperInfo.setWrapperType(handler.getWrapperType(operation, false));
            }
           
            if (dbObj != null && handler == null) {
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    }

    private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) {
        WrapperHandler wrapperHandler = null;
        if (dataBindingId != null) {
            DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId);
            wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler();
        }
        if (wrapperHandler == null && required) {
            throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId);
        }
        return wrapperHandler;
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    }

    private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) {
        WrapperHandler wrapperHandler = null;
        if (dataBindingId != null) {
            DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId);
            wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler();
        }
        if (wrapperHandler == null && required) {
            throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId);
        }
        return wrapperHandler;
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            || QName.class == clazz) {
            // Immutable classes
            return data;
        }

        DataBinding javaBeansDataBinding = dataBindings.getDataBinding(JavaBeansDataBinding.NAME);
        // FIXME: The JAXB databinding is hard-coded here
        DataBinding jaxbDataBinding = dataBindings.getDataBinding("javax.xml.bind.JAXBElement");
        DataBinding dataBinding = dataBindings.getDataBinding(sourceDataType.getDataBinding());
        // If no databinding was specified, introspect the given arg to
        // determine its databinding
        if (dataBinding == null) {
            if (!"java:array".equals(sourceDataType.getDataBinding())) {
                sourceDataType = dataBindings.introspectType(data, sourceOperation);
                if (sourceDataType != null) {
                    String db = sourceDataType.getDataBinding();
                    dataBinding = dataBindings.getDataBinding(db);
                    if (dataBinding == null && db != null) {
                        return data;
                    }
                }
            }
            if (dataBinding == null) {

                // Default to the JavaBean databinding
                dataBinding = dataBindings.getDataBinding(JavaBeansDataBinding.NAME);
            }
        }

        // Use the JAXB databinding to copy non-Serializable data
        if (dataBinding == javaBeansDataBinding) {

            // If the input data is an array containing non Serializable elements
            // use JAXB
            clazz = data.getClass();
            if (clazz.isArray()) {
                if (Array.getLength(data) != 0) {
                    Object element = Array.get(data, 0);
                    if (element != null && !(element instanceof Serializable)) {
                        dataBinding = jaxbDataBinding;
                    }
                }
            } else {

                // If the input data is not Serializable use JAXB
                if (!((data instanceof Serializable) || (data instanceof Cloneable))) {
                    dataBinding = jaxbDataBinding;
                }
            }
        }

        if (dataBinding == null) {
            return data;
        }

        return dataBinding.copy(data, sourceDataType, targetDataType, sourceOperation, targetOperation);
    }
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        registry = new DefaultDataBindingExtensionPoint();
    }

    @SuppressWarnings("unchecked")
    public void testRegistry() {
        DataBinding db1 = createMock(DataBinding.class);
        expect(db1.getAliases()).andReturn(new String[] {"db1"}).anyTimes();
        expect(db1.getName()).andReturn(ContentHandler.class.getName()).anyTimes();
        DataType<Class> dataType1 = new DataTypeImpl<Class>(ContentHandler.class, ContentHandler.class);
        expect(db1.introspect(dataType1, null)).andReturn(true);
        expect(db1.introspect(EasyMock.not(EasyMock.same(dataType1)), (Annotation[])EasyMock.isNull()))
            .andReturn(false).anyTimes();
        replay(db1);

        registry.addDataBinding(db1);

        DataBinding db2 = createMock(DataBinding.class);
        expect(db2.getAliases()).andReturn(new String[] {"db2"}).anyTimes();
        expect(db2.getName()).andReturn(XMLStreamReader.class.getName()).anyTimes();
        DataType<Class> dataType2 = new DataTypeImpl<Class>(XMLStreamReader.class, XMLStreamReader.class);
        expect(db2.introspect(dataType2, null)).andReturn(true);
        expect(db2.introspect(EasyMock.not(EasyMock.same(dataType2)), (Annotation[])EasyMock.isNull()))
            .andReturn(false).anyTimes();
        replay(db2);

        registry.addDataBinding(db2);

        // Lookup by name
        String name = db1.getName();
        DataBinding db3 = registry.getDataBinding(name);
        assertSame(db1, db3);

        // Look up by alias
        DataBinding db5 = registry.getDataBinding("db1");
        assertSame(db1, db5);
       
        DataType dt = new DataTypeImpl<Class>(ContentHandler.class, null);
        registry.introspectType(dt, null);
        assertEquals(dataType1.getLogical(), ContentHandler.class);
        assertTrue(dt.getDataBinding().equalsIgnoreCase("java.lang.Object"));

        registry.removeDataBinding(name);
        DataBinding db4 = registry.getDataBinding(name);
        assertNull(db4);

        dt = new DataTypeImpl<Class>(null, String.class, null);
        registry.introspectType(dt, null);
        assertEquals("java.lang.Object", dt.getDataBinding());
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        Message result = super.invoke(msg);

        if (!result.isFault() && operation.getOutputType() != null) {
            String dataBindingId = operation.getOutputType().getDataBinding();
            DataBinding dataBinding = registry.getDataBinding(dataBindingId);
            result.setBody(copy(result.getBody(), dataBinding));
        }
        return result;
    }
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                Object copiedArg = map.get(args[i]);
                if (copiedArg != null) {
                    copiedArgs[i] = copiedArg;
                } else {
                    String dataBindingId = operation.getInputType().getLogical().get(i).getDataBinding();
                    DataBinding dataBinding = registry.getDataBinding(dataBindingId);
                    copiedArg = copy(args[i], dataBinding);
                    map.put(args[i], copiedArg);
                    copiedArgs[i] = copiedArg;
                }
            }
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            copiedArg = argDataBinding.copy(arg);
        } else {
            copiedArg = arg;
            DataType<?> dataType = registry.introspectType(arg);
            if (dataType != null) {
                DataBinding binding = registry.getDataBinding(dataType.getDataBinding());
                if (binding != null) {
                    copiedArg = binding.copy(arg);
                }
            }
            // FIXME: What to do if it's not recognized?
        }
        return copiedArg;
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    }

    private WrapperHandler getWrapperHandler(String dataBindingId, boolean required) {
        WrapperHandler wrapperHandler = null;
        if (dataBindingId != null) {
            DataBinding dataBinding = mediator.getDataBindings().getDataBinding(dataBindingId);
            wrapperHandler = dataBinding == null ? null : dataBinding.getWrapperHandler();
        }
        if (wrapperHandler == null && required) {
            throw new TransformationException("No wrapper handler is provided for databinding: " + dataBindingId);
        }
        return wrapperHandler;
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  • org.apache.tuscany.sca.core.databinding.transformers.Input2InputTransformer
  • org.apache.tuscany.sca.core.databinding.transformers.Output2OutputTransformer
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