diff options
Diffstat (limited to 'java/sca/modules/core-databinding/src/main/java/org/apache/tuscany')
9 files changed, 0 insertions, 1401 deletions
diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java deleted file mode 100644 index 01a3c1813c..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/DataBindingJavaInterfaceProcessor.java +++ /dev/null @@ -1,131 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.processor; - -import java.lang.annotation.Annotation; -import java.lang.reflect.Method; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; -import org.apache.tuscany.sca.databinding.annotation.DataBinding; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.JavaOperation; -import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; - -/** - * The databinding annotation processor for java interfaces - * - * @version $Rev$ $Date$ - */ -public class DataBindingJavaInterfaceProcessor implements JavaInterfaceVisitor { - private DataBindingExtensionPoint dataBindingRegistry; - - public DataBindingJavaInterfaceProcessor(ExtensionPointRegistry registry) { - super(); - this.dataBindingRegistry = registry.getExtensionPoint(DataBindingExtensionPoint.class); - } - - public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException { - if (!javaInterface.isRemotable()) { - return; - } - List<Operation> operations = javaInterface.getOperations(); - processInterface(javaInterface, operations); - } - - private void processInterface(JavaInterface javaInterface, List<Operation> operations) { - Class<?> clazz = javaInterface.getJavaClass(); - DataBinding dataBinding = clazz.getAnnotation(DataBinding.class); - String dataBindingId = null; - boolean wrapperStyle = false; - if (dataBinding != null) { - dataBindingId = dataBinding.value(); - wrapperStyle = dataBinding.wrapped(); - } - - Map<String, Operation> opMap = new HashMap<String, Operation>(); - for (Operation op : javaInterface.getOperations()) { - opMap.put(op.getName(), op); - // In the case of @WebMethod, the method name can be different from the operation name - if (op instanceof JavaOperation) { - opMap.put(((JavaOperation)op).getJavaMethod().getName(), op); - } - if (dataBindingId != null) { - op.setDataBinding(dataBindingId); - op.setWrapperStyle(wrapperStyle); - } - } - for (Method method : clazz.getMethods()) { - if (method.getDeclaringClass() == Object.class) { - continue; - } - Operation operation = opMap.get(method.getName()); - if (operation == null) { // @WebMethod exclude=true - continue; - } - DataBinding methodDataBinding = clazz.getAnnotation(DataBinding.class); - if (methodDataBinding == null) { - methodDataBinding = dataBinding; - } - dataBindingId = null; - wrapperStyle = false; - if (dataBinding != null) { - dataBindingId = dataBinding.value(); - wrapperStyle = dataBinding.wrapped(); - operation.setDataBinding(dataBindingId); - operation.setWrapperStyle(wrapperStyle); - } - - // FIXME: We need a better way to identify simple java types - int i = 0; - for (org.apache.tuscany.sca.interfacedef.DataType<?> d : operation.getInputType().getLogical()) { - if (d.getDataBinding() == null) { - d.setDataBinding(dataBindingId); - } - for (Annotation a : method.getParameterAnnotations()[i]) { - if (a.annotationType() == org.apache.tuscany.sca.databinding.annotation.DataType.class) { - String value = ((org.apache.tuscany.sca.databinding.annotation.DataType)a).value(); - d.setDataBinding(value); - } - } - dataBindingRegistry.introspectType(d, operation); - i++; - } - if (operation.getOutputType() != null) { - DataType<?> d = operation.getOutputType(); - if (d.getDataBinding() == null) { - d.setDataBinding(dataBindingId); - } - org.apache.tuscany.sca.databinding.annotation.DataType dt = - method.getAnnotation(org.apache.tuscany.sca.databinding.annotation.DataType.class); - if (dt != null) { - d.setDataBinding(dt.value()); - } - dataBindingRegistry.introspectType(d, operation); - } - } - } -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java deleted file mode 100644 index a5526ab031..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/processor/WrapperJavaInterfaceProcessor.java +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.processor; - -import java.util.HashSet; -import java.util.LinkedList; -import java.util.List; -import java.util.Set; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint; -import org.apache.tuscany.sca.databinding.WrapperHandler; -import org.apache.tuscany.sca.databinding.javabeans.JavaBeansDataBinding; -import org.apache.tuscany.sca.databinding.javabeans.SimpleJavaDataBinding; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.InvalidInterfaceException; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.java.JavaInterface; -import org.apache.tuscany.sca.interfacedef.java.introspect.JavaInterfaceVisitor; -import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; - -/** - * The databinding annotation processor for java interfaces - * - * @version $Rev$ $Date$ - */ -public class WrapperJavaInterfaceProcessor implements JavaInterfaceVisitor { - private static final String JAXB_DATABINDING = "javax.xml.bind.JAXBElement"; - private DataBindingExtensionPoint dataBindingRegistry; - - public WrapperJavaInterfaceProcessor(ExtensionPointRegistry registry) { - super(); - this.dataBindingRegistry = registry.getExtensionPoint(DataBindingExtensionPoint.class); - } - - public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException { - if (!javaInterface.isRemotable()) { - return; - } - for (Operation operation : javaInterface.getOperations()) { - WrapperInfo wrapper = operation.getWrapper(); - if (wrapper == null) { - continue; - } - // JIRA: TUSCANY-842 - String db = wrapper.getDataBinding(); - if (db == null || JAXB_DATABINDING.equals(db)) { - db = assignOperationDataBinding(operation); - } - - // Introspect the wrapper data type - org.apache.tuscany.sca.databinding.DataBinding dbObj = dataBindingRegistry.getDataBinding(db); - WrapperHandler handler = dbObj == null ? null : dbObj.getWrapperHandler(); - if (handler != null) { - wrapper.setInputWrapperType(handler.getWrapperType(operation, true)); - wrapper.setOutputWrapperType(handler.getWrapperType(operation, false)); - } - if (dbObj != null && handler == null) { - // To avoid JAXB wrapper bean generation - wrapper.setInputWrapperType(null); - wrapper.setOutputWrapperType(null); - } - } - } - - /* - * Assigns an operation DB if one of the input types, output type, fault types has a non-default DB. - * However, if two of the input types, output type, fault types have two different non-default DBs - * ( e.g. SDO and JAXB), then we do nothing to the operation DB. - * - * The method logic assumes the JavaBeans DataBinding is the default - */ - private String assignOperationDataBinding(Operation operation) { - - Set<String> dbs = new HashSet<String>(); - - // Can't use DataType<?> since operation.getInputType() returns: DataType<List<DataType>> - List<DataType> opDataTypes = new LinkedList<DataType>(); - - opDataTypes.addAll(operation.getInputType().getLogical()); - opDataTypes.add(operation.getOutputType()); - for (DataType<DataType> ft : operation.getFaultTypes()) { - opDataTypes.add(ft.getLogical()); - } - - for (DataType<?> d : opDataTypes) { - if (d != null) { - String dataBinding = d.getDataBinding(); - if ("java:array".equals(dataBinding)) { - dataBinding = ((DataType)d.getLogical()).getDataBinding(); - } - if (dataBinding != null) { - dbs.add(dataBinding); - } - } - } - - dbs.remove(JavaBeansDataBinding.NAME); - dbs.remove(SimpleJavaDataBinding.NAME); - - if (dbs.size() == 1) { - String db = dbs.iterator().next(); - operation.getWrapper().setDataBinding(db); - return db; - } else { - return operation.getWrapper().getDataBinding(); - } - } -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java deleted file mode 100644 index 7146f0fa36..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Array2ArrayTransformer.java +++ /dev/null @@ -1,104 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.core.databinding.transformers; - -import java.lang.reflect.Array; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.databinding.PullTransformer; -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.databinding.TransformationException; -import org.apache.tuscany.sca.databinding.impl.BaseTransformer; -import org.apache.tuscany.sca.interfacedef.DataType; - -/** - * This is a special transformer to transform the output from one IDL to the - * other one - * - * @version $Rev$ $Date$ - */ -public class Array2ArrayTransformer extends BaseTransformer<Object, Object> implements PullTransformer<Object, Object> { - - protected Mediator mediator; - - public Array2ArrayTransformer(ExtensionPointRegistry registry) { - super(); - this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); - } - - @Override - public String getSourceDataBinding() { - return "java:array"; - } - - @Override - public String getTargetDataBinding() { - return "java:array"; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() - */ - @Override - protected Class<Object> getSourceType() { - return Object.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() - */ - @Override - protected Class<Object> getTargetType() { - return Object.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() - */ - @Override - public int getWeight() { - return 10; - } - - @SuppressWarnings("unchecked") - public Object transform(Object array, TransformationContext context) { - try { - if (array == null) { - return null; - } - DataType<DataType> sourceType = context.getSourceDataType(); - DataType<DataType> targetType = context.getTargetDataType(); - int length = Array.getLength(array); - Object targetArray = Array.newInstance(targetType.getPhysical().getComponentType(), length); - for (int i = 0; i < length; i++) { - Object sourceItem = Array.get(array, i); - Object targetItem = - mediator.mediate(sourceItem, sourceType.getLogical(), targetType.getLogical(), context - .getMetadata()); - Array.set(targetArray, i, targetItem); - } - return targetArray; - } catch (Exception e) { - throw new TransformationException(e); - } - } - -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java deleted file mode 100644 index 71e2a24def..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Exception2ExceptionTransformer.java +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.transformers; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.databinding.DataBinding; -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.databinding.PullTransformer; -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.databinding.impl.BaseTransformer; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.FaultExceptionMapper; - -/** - * This is a special transformer to transform the exception from one IDL to the - * other one - * - * @version $Rev$ $Date$ - */ -public class Exception2ExceptionTransformer extends BaseTransformer<Throwable, Throwable> implements - PullTransformer<Throwable, Throwable> { - - protected Mediator mediator; - protected FaultExceptionMapper faultExceptionMapper; - - public Exception2ExceptionTransformer(ExtensionPointRegistry registry) { - super(); - UtilityExtensionPoint utilityExtensionPoint = registry.getExtensionPoint(UtilityExtensionPoint.class); - this.mediator = utilityExtensionPoint.getUtility(Mediator.class); - this.faultExceptionMapper = utilityExtensionPoint.getUtility(FaultExceptionMapper.class); - } - - protected Exception2ExceptionTransformer(Mediator mediator, FaultExceptionMapper faultExceptionMapper) { - super(); - this.mediator = mediator; - this.faultExceptionMapper = faultExceptionMapper; - } - - @Override - public String getSourceDataBinding() { - return DataBinding.IDL_FAULT; - } - - @Override - public String getTargetDataBinding() { - return DataBinding.IDL_FAULT; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() - */ - @Override - protected Class<Throwable> getSourceType() { - return Throwable.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() - */ - @Override - protected Class<Throwable> getTargetType() { - return Throwable.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() - */ - @Override - public int getWeight() { - return 10000; - } - - @SuppressWarnings("unchecked") - public Throwable transform(Throwable source, TransformationContext context) { - DataType<DataType> sourceType = context.getSourceDataType(); - - DataType<DataType> targetType = context.getTargetDataType(); - - Object sourceFaultInfo = faultExceptionMapper.getFaultInfo(source, sourceType.getLogical().getPhysical(), context.getSourceOperation()); - Object targetFaultInfo = - mediator.mediate(sourceFaultInfo, sourceType.getLogical(), targetType.getLogical(), context.getMetadata()); - - Throwable targetException = - faultExceptionMapper.wrapFaultInfo(targetType, source.getMessage(), targetFaultInfo, source.getCause(), context.getTargetOperation()); - - // FIXME - return targetException == null ? source : targetException; - - } - - public void setFaultExceptionMapper(FaultExceptionMapper faultExceptionMapper) { - this.faultExceptionMapper = faultExceptionMapper; - } -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java deleted file mode 100644 index 3422713bb3..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Input2InputTransformer.java +++ /dev/null @@ -1,270 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.transformers; - -import java.util.List; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.databinding.DataBinding; -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.databinding.PullTransformer; -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.databinding.TransformationException; -import org.apache.tuscany.sca.databinding.WrapperHandler; -import org.apache.tuscany.sca.databinding.impl.BaseTransformer; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.util.ElementInfo; -import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; -import org.apache.tuscany.sca.interfacedef.util.XMLType; - -/** - * This is a special transformer to transform the input from one IDL to the - * other one - * - * @version $Rev$ $Date$ - */ -public class Input2InputTransformer extends BaseTransformer<Object[], Object[]> implements - PullTransformer<Object[], Object[]> { - protected Mediator mediator; - - public Input2InputTransformer(ExtensionPointRegistry registry) { - super(); - this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); - } - - @Override - public String getSourceDataBinding() { - return DataBinding.IDL_INPUT; - } - - @Override - public String getTargetDataBinding() { - return DataBinding.IDL_INPUT; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() - */ - @Override - protected Class<Object[]> getSourceType() { - return Object[].class; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() - */ - @Override - protected Class<Object[]> getTargetType() { - return Object[].class; - } - - /** - * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() - */ - @Override - public int getWeight() { - return 10000; - } - - /** - * Match the structure of the wrapper element. If it matches, then we can do - * wrapper to wrapper transformation. Otherwise, we do child to child. - * @param w1 - * @param w2 - * @return - */ - private boolean matches(WrapperInfo w1, WrapperInfo w2) { - if (w1 == null || w2 == null) { - return false; - } - if (!w1.getInputWrapperElement().equals(w2.getInputWrapperElement())) { - return false; - } - - // Compare the child elements - List<ElementInfo> list1 = w1.getInputChildElements(); - List<ElementInfo> list2 = w2.getInputChildElements(); - if (list1.size() != list2.size()) { - return false; - } - // FXIME: [rfeng] At this point, the J2W generates local elments under the namespace - // of the interface instead of "". We only compare the local parts only to work around - // the namespace mismatch - for (int i = 0; i < list1.size(); i++) { - String n1 = list1.get(i).getQName().getLocalPart(); - String n2 = list2.get(i).getQName().getLocalPart(); - if (!n1.equals(n2)) { - return false; - } - } - return true; - } - - @SuppressWarnings("unchecked") - public Object[] transform(Object[] source, TransformationContext context) { - // Check if the source operation is wrapped - DataType<List<DataType>> sourceType = context.getSourceDataType(); - Operation sourceOp = context.getSourceOperation(); - boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle() && sourceOp.getWrapper() != null; - boolean sourceBare = sourceOp != null && !sourceOp.isWrapperStyle() && sourceOp.getWrapper() == null; - - // Find the wrapper handler for source data - WrapperHandler sourceWrapperHandler = null; - String sourceDataBinding = getDataBinding(sourceOp); - sourceWrapperHandler = getWrapperHandler(sourceDataBinding, sourceWrapped); - - // Check if the target operation is wrapped - DataType<List<DataType>> targetType = context.getTargetDataType(); - Operation targetOp = (Operation)context.getTargetOperation(); - boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle() && targetOp.getWrapper() != null; - boolean targetBare = targetOp != null && !targetOp.isWrapperStyle() && targetOp.getWrapper() == null; - - // Find the wrapper handler for target data - WrapperHandler targetWrapperHandler = null; - String targetDataBinding = getDataBinding(targetOp); - targetWrapperHandler = getWrapperHandler(targetDataBinding, targetWrapped); - - if ((!sourceWrapped && !sourceBare) && targetWrapped) { - // Unwrapped --> Wrapped - WrapperInfo wrapper = targetOp.getWrapper(); - // ElementInfo wrapperElement = wrapper.getInputWrapperElement(); - - // Class<?> targetWrapperClass = wrapper != null ? wrapper.getInputWrapperClass() : null; - - if (source == null) { - // Empty child elements - Object targetWrapper = targetWrapperHandler.create(targetOp, true); - return new Object[] {targetWrapper}; - } - - // If the source can be wrapped, wrapped it first - if (sourceWrapperHandler != null) { - WrapperInfo sourceWrapperInfo = sourceOp.getWrapper(); - DataType sourceWrapperType = sourceWrapperInfo != null ? sourceWrapperInfo.getInputWrapperType() : null; - - // We only do wrapper to wrapper transformation if the source has a wrapper and both sides - // match by XML structure - if (sourceWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { - Class<?> sourceWrapperClass = sourceWrapperType.getPhysical(); - - // Create the source wrapper - Object sourceWrapper = sourceWrapperHandler.create(sourceOp, true); - - // Populate the source wrapper - if (sourceWrapper != null) { - sourceWrapperHandler.setChildren(sourceWrapper, - source, - sourceOp, - true); - - // Transform the data from source wrapper to target wrapper - Object targetWrapper = - mediator.mediate(sourceWrapper, sourceWrapperType, targetType.getLogical().get(0), context - .getMetadata()); - return new Object[] {targetWrapper}; - } - } - } - // Fall back to child by child transformation - Object targetWrapper = targetWrapperHandler.create(targetOp, true); - List<DataType> argTypes = wrapper.getUnwrappedInputType().getLogical(); - Object[] targetChildren = new Object[source.length]; - for (int i = 0; i < source.length; i++) { - // ElementInfo argElement = wrapper.getInputChildElements().get(i); - DataType<XMLType> argType = argTypes.get(i); - targetChildren[i] = - mediator.mediate(source[i], sourceType.getLogical().get(i), argType, context.getMetadata()); - } - targetWrapperHandler.setChildren(targetWrapper, - targetChildren, - targetOp, - true); - return new Object[] {targetWrapper}; - - } else if (sourceWrapped && (!targetWrapped && !targetBare)) { - // Wrapped to Unwrapped - Object sourceWrapper = source[0]; - Object[] target = null; - - // List<ElementInfo> childElements = sourceOp.getWrapper().getInputChildElements(); - if (targetWrapperHandler != null) { - // ElementInfo wrapperElement = sourceOp.getWrapper().getInputWrapperElement(); - // FIXME: This is a workaround for the wsdless support as it passes in child elements - // under the wrapper that only matches by position - if (sourceWrapperHandler.isInstance(sourceWrapper, sourceOp, true)) { - - WrapperInfo targetWrapperInfo = targetOp.getWrapper(); - DataType targetWrapperType = - targetWrapperInfo != null ? targetWrapperInfo.getInputWrapperType() : null; - if (targetWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { - Object targetWrapper = - mediator.mediate(sourceWrapper, sourceType.getLogical().get(0), targetWrapperType, context - .getMetadata()); - target = targetWrapperHandler.getChildren(targetWrapper, targetOp, true).toArray(); - return target; - } - } - } - Object[] sourceChildren = sourceWrapperHandler.getChildren(sourceWrapper, sourceOp, true).toArray(); - target = new Object[sourceChildren.length]; - for (int i = 0; i < sourceChildren.length; i++) { - DataType<XMLType> childType = sourceOp.getWrapper().getUnwrappedInputType().getLogical().get(i); - target[i] = - mediator.mediate(sourceChildren[i], childType, targetType.getLogical().get(i), context - .getMetadata()); - } - return target; - } else { - // Assuming wrapper to wrapper conversion can be handled here as well - Object[] newArgs = new Object[source.length]; - for (int i = 0; i < source.length; i++) { - Object child = - mediator.mediate(source[i], sourceType.getLogical().get(i), targetType.getLogical().get(i), context - .getMetadata()); - newArgs[i] = child; - } - return newArgs; - } - } - - 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; - } - - private String getDataBinding(Operation operation) { - WrapperInfo wrapper = operation.getWrapper(); - if (wrapper != null) { - return wrapper.getDataBinding(); - } else { - return null; - } - } - -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java deleted file mode 100644 index 08442134b9..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/Output2OutputTransformer.java +++ /dev/null @@ -1,251 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ -package org.apache.tuscany.sca.core.databinding.transformers; - -import java.util.List; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.databinding.DataBinding; -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.databinding.PullTransformer; -import org.apache.tuscany.sca.databinding.TransformationContext; -import org.apache.tuscany.sca.databinding.TransformationException; -import org.apache.tuscany.sca.databinding.WrapperHandler; -import org.apache.tuscany.sca.databinding.impl.BaseTransformer; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.interfacedef.util.ElementInfo; -import org.apache.tuscany.sca.interfacedef.util.WrapperInfo; -import org.apache.tuscany.sca.interfacedef.util.XMLType; - -/** - * This is a special transformer to transform the output from one IDL to the - * other one - * - * @version $Rev$ $Date$ - */ -public class Output2OutputTransformer extends BaseTransformer<Object, Object> implements - PullTransformer<Object, Object> { - - protected Mediator mediator; - - /** - * @param wrapperHandler - */ - public Output2OutputTransformer(ExtensionPointRegistry registry) { - super(); - this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); - } - - @Override - public String getSourceDataBinding() { - return DataBinding.IDL_OUTPUT; - } - - @Override - public String getTargetDataBinding() { - return DataBinding.IDL_OUTPUT; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getSourceType() - */ - @Override - protected Class<Object> getSourceType() { - return Object.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.impl.BaseTransformer#getTargetType() - */ - @Override - protected Class<Object> getTargetType() { - return Object.class; - } - - /** - * @see org.apache.tuscany.sca.databinding.Transformer#getWeight() - */ - @Override - public int getWeight() { - return 10; - } - - private String getDataBinding(Operation operation) { - WrapperInfo wrapper = operation.getWrapper(); - if (wrapper != null) { - return wrapper.getDataBinding(); - } else { - return null; - } - } - - 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; - } - - /** - * Match the structure of the wrapper element. If it matches, then we can do - * wrapper to wrapper transformation. Otherwise, we do child to child. - * @param w1 - * @param w2 - * @return - */ - private boolean matches(WrapperInfo w1, WrapperInfo w2) { - if (w1 == null || w2 == null) { - return false; - } - if (!w1.getOutputWrapperElement().equals(w2.getOutputWrapperElement())) { - return false; - } - - // Compare the child elements - List<ElementInfo> list1 = w1.getOutputChildElements(); - List<ElementInfo> list2 = w2.getOutputChildElements(); - if (list1.size() != list2.size()) { - return false; - } - // FXIME: [rfeng] At this point, the J2W generates local elments under the namespace - // of the interface instead of "". We only compare the local parts only to work around - // the namespace mismatch - for (int i = 0; i < list1.size(); i++) { - String n1 = list1.get(i).getQName().getLocalPart(); - String n2 = list2.get(i).getQName().getLocalPart(); - if (!n1.equals(n2)) { - return false; - } - } - return true; - } - - @SuppressWarnings("unchecked") - public Object transform(Object response, TransformationContext context) { - try { - DataType<DataType> sourceType = context.getSourceDataType(); - Operation sourceOp = context.getSourceOperation(); - boolean sourceWrapped = sourceOp != null && sourceOp.isWrapperStyle() && sourceOp.getWrapper() != null; - boolean sourceBare = sourceOp != null && !sourceOp.isWrapperStyle() && sourceOp.getWrapper() == null; - - WrapperHandler sourceWrapperHandler = null; - String sourceDataBinding = getDataBinding(sourceOp); - sourceWrapperHandler = getWrapperHandler(sourceDataBinding, sourceWrapped); - - DataType<DataType> targetType = context.getTargetDataType(); - Operation targetOp = (Operation)context.getTargetOperation(); - boolean targetWrapped = targetOp != null && targetOp.isWrapperStyle() && targetOp.getWrapper() != null; - boolean targetBare = targetOp != null && !targetOp.isWrapperStyle() && targetOp.getWrapper() == null; - - WrapperHandler targetWrapperHandler = null; - String targetDataBinding = getDataBinding(targetOp); - targetWrapperHandler = getWrapperHandler(targetDataBinding, targetWrapped); - - if ((!sourceWrapped &&!sourceBare) && targetWrapped) { - // Unwrapped --> Wrapped - WrapperInfo wrapper = targetOp.getWrapper(); - ElementInfo wrapperElement = wrapper.getOutputWrapperElement(); - List<ElementInfo> childElements = wrapper.getOutputChildElements(); - Class<?> targetWrapperClass = wrapper != null ? wrapper.getOutputWrapperClass() : null; - - // If the source can be wrapped, wrapped it first - if (sourceWrapperHandler != null) { - WrapperInfo sourceWrapperInfo = sourceOp.getWrapper(); - DataType sourceWrapperType = - sourceWrapperInfo != null ? sourceWrapperInfo.getOutputWrapperType() : null; - - if (sourceWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { - Class<?> sourceWrapperClass = sourceWrapperType.getPhysical(); - - Object sourceWrapper = sourceWrapperHandler.create(sourceOp, false); - if (sourceWrapper != null) { - if (!childElements.isEmpty()) { - // Set the return value - sourceWrapperHandler.setChildren(sourceWrapper, - new Object[] {response}, - sourceOp, - false); - } - Object targetWrapper = - mediator.mediate(sourceWrapper, sourceWrapperType, targetType.getLogical(), context - .getMetadata()); - return targetWrapper; - } - } - } - Object targetWrapper = targetWrapperHandler.create(targetOp, false); - - if (childElements.isEmpty()) { - // void output - return targetWrapper; - } - - DataType<XMLType> argType = wrapper.getUnwrappedOutputType(); - Object child = response; - child = mediator.mediate(response, sourceType.getLogical(), argType, context.getMetadata()); - targetWrapperHandler.setChildren(targetWrapper, new Object[] {child}, targetOp, false); - return targetWrapper; - } else if (sourceWrapped && (!targetWrapped && !targetBare)) { - // Wrapped to Unwrapped - Object sourceWrapper = response; - List<ElementInfo> childElements = sourceOp.getWrapper().getOutputChildElements(); - if (childElements.isEmpty()) { - // The void output - return null; - } - if (targetWrapperHandler != null) { - ElementInfo wrapperElement = sourceOp.getWrapper().getOutputWrapperElement(); - - // FIXME: This is a workaround for the wsdless support as it passes in child elements - // under the wrapper that only matches by position - if (sourceWrapperHandler.isInstance(sourceWrapper, sourceOp, false)) { - - WrapperInfo targetWrapperInfo = targetOp.getWrapper(); - DataType targetWrapperType = - targetWrapperInfo != null ? targetWrapperInfo.getOutputWrapperType() : null; - - if (targetWrapperType != null && matches(sourceOp.getWrapper(), targetOp.getWrapper())) { - Object targetWrapper = - mediator.mediate(sourceWrapper, sourceType.getLogical(), targetWrapperType, context - .getMetadata()); - return targetWrapperHandler.getChildren(targetWrapper, targetOp, false).get(0); - } - } - } - Object child = sourceWrapperHandler.getChildren(sourceWrapper, sourceOp, false).get(0); - DataType<?> childType = sourceOp.getWrapper().getUnwrappedOutputType(); - return mediator.mediate(child, childType, targetType.getLogical(), context.getMetadata()); - } else { - // FIXME: Do we want to handle wrapped to wrapped? - return mediator.mediate(response, sourceType.getLogical(), targetType.getLogical(), context - .getMetadata()); - } - } catch (Exception e) { - throw new TransformationException(e); - } - } - -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java deleted file mode 100644 index d4018e22a7..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataBindingRuntimeWireProcessor.java +++ /dev/null @@ -1,223 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.wire; - -import java.util.List; - -import org.apache.tuscany.sca.core.ExtensionPointRegistry; -import org.apache.tuscany.sca.core.UtilityExtensionPoint; -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.interfacedef.DataType; -import org.apache.tuscany.sca.interfacedef.InterfaceContract; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Phase; -import org.apache.tuscany.sca.runtime.RuntimeEndpoint; -import org.apache.tuscany.sca.runtime.RuntimeEndpointReference; -import org.apache.tuscany.sca.runtime.RuntimeWireProcessor; - -/** - * This processor is responsible to add an interceptor to invocation chain if - * the source and target operations have different databinding requirements - * - * @version $Rev$ $Date$ - */ -public class DataBindingRuntimeWireProcessor implements RuntimeWireProcessor { - private Mediator mediator; - - public DataBindingRuntimeWireProcessor(ExtensionPointRegistry registry) { - super(); - this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class); - } - - public boolean isTransformationRequired(DataType source, DataType target) { - if (source == null || target == null) { // void return type - return false; - } - if (source == target) { - return false; - } - - // Output type can be null - if (source == null && target == null) { - return false; - } else if (source == null || target == null) { - return true; - } - String sourceDataBinding = source.getDataBinding(); - String targetDataBinding = target.getDataBinding(); - if (sourceDataBinding == targetDataBinding) { - return false; - } - if (sourceDataBinding == null || targetDataBinding == null) { - // TODO: If any of the databinding is null, then no transformation - return false; - } - return !sourceDataBinding.equals(targetDataBinding); - } - - public boolean isTransformationRequired(Operation source, Operation target) { - if (source == target) { - return false; - } - - if (source.isWrapperStyle() != target.isWrapperStyle()) { - return true; - } - - // Check output type - DataType sourceOutputType = source.getOutputType(); - DataType targetOutputType = target.getOutputType(); - - // Note the target output type is now the source for checking - // compatibility - if (isTransformationRequired(targetOutputType, sourceOutputType)) { - return true; - } - - List<DataType> sourceInputType = source.getInputType().getLogical(); - List<DataType> targetInputType = target.getInputType().getLogical(); - - int size = sourceInputType.size(); - if (size != targetInputType.size()) { - // TUSCANY-1682: The wrapper style may have different arguments - return true; - } - for (int i = 0; i < size; i++) { - if (isTransformationRequired(sourceInputType.get(i), targetInputType.get(i))) { - return true; - } - } - - return false; - } - - private boolean isTransformationRequired(InterfaceContract sourceContract, - Operation sourceOperation, - InterfaceContract targetContract, - Operation targetOperation) { - if (targetContract == null) { - targetContract = sourceContract; - } - if (sourceContract == targetContract) { - return false; - } - return isTransformationRequired(sourceOperation, targetOperation); - } - - /** - * FIXME: TUSCANY-2586, temporary work around till the JIRA is fixed to prevent - * the PassByValueInterceptor being used for services when the binding protocol - * doesn't need the copies done. - */ - protected boolean isOnMessage(Operation op) { - return "onMessage".equals(op.getName()); - } - - /** - * Pass-by-value copies are required if the interfaces are remotable unless the - * implementation uses the @AllowsPassByReference annotation. - */ - protected boolean isRemotable(InvocationChain chain, Operation sourceOperation, Operation targetOperation) { - if (!sourceOperation.getInterface().isRemotable()) { - return false; - } - if (!targetOperation.getInterface().isRemotable()) { - return false; - } - return true; - } - - public void process(RuntimeEndpoint endpoint) { - InterfaceContract sourceContract = endpoint.getBindingInterfaceContract(); - InterfaceContract targetContract = endpoint.getComponentTypeServiceInterfaceContract(); - if (targetContract == null) { - targetContract = sourceContract; - } - - if (!sourceContract.getInterface().isRemotable()) { - return; - } - List<InvocationChain> chains = endpoint.getInvocationChains(); - for (InvocationChain chain : chains) { - Operation sourceOperation = chain.getSourceOperation(); - Operation targetOperation = chain.getTargetOperation(); - - Interceptor interceptor = null; - if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) { - // Add the interceptor to the source side because multiple - // references can be wired to the same service - interceptor = - new DataTransformationInterceptor(endpoint, sourceOperation, targetOperation, mediator); - } else { - // assume pass-by-values copies are required if interfaces are remotable and there is no data binding - // transformation, i.e. a transformation will result in a copy so another pass-by-value copy is unnecessary - if (!isOnMessage(targetOperation) && isRemotable(chain, sourceOperation, targetOperation)) { - interceptor = - new PassByValueInterceptor(mediator, chain, targetOperation); - } - } - if (interceptor != null) { - String phase = Phase.SERVICE_INTERFACE; - chain.addInterceptor(phase, interceptor); - } - } - - } - - public void process(RuntimeEndpointReference endpointReference) { - InterfaceContract sourceContract = endpointReference.getComponentTypeReferenceInterfaceContract(); - InterfaceContract targetContract = endpointReference.getBindingInterfaceContract(); - if (targetContract == null) { - targetContract = sourceContract; - } - - if (!sourceContract.getInterface().isRemotable()) { - return; - } - List<InvocationChain> chains = endpointReference.getInvocationChains(); - for (InvocationChain chain : chains) { - Operation sourceOperation = chain.getSourceOperation(); - Operation targetOperation = chain.getTargetOperation(); - - Interceptor interceptor = null; - if (isTransformationRequired(sourceContract, sourceOperation, targetContract, targetOperation)) { - // Add the interceptor to the source side because multiple - // references can be wired to the same service - interceptor = - new DataTransformationInterceptor(endpointReference, sourceOperation, targetOperation, mediator); - } else { - // assume pass-by-values copies are required if interfaces are remotable and there is no data binding - // transformation, i.e. a transformation will result in a copy so another pass-by-value copy is unnecessary - if (!isOnMessage(targetOperation) && isRemotable(chain, sourceOperation, targetOperation)) { - interceptor = - new PassByValueInterceptor(mediator, chain, targetOperation); - } - } - if (interceptor != null) { - String phase = Phase.REFERENCE_INTERFACE; - chain.addInterceptor(phase, interceptor); - } - } - - } - -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java deleted file mode 100644 index 17efe33321..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/DataTransformationInterceptor.java +++ /dev/null @@ -1,103 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.wire; - -import java.util.HashMap; -import java.util.Map; - -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.DataExchangeSemantics; -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.apache.tuscany.sca.runtime.Invocable; - -/** - * An interceptor to transform data across databindings on the wire - * - * @version $Rev$ $Date$ - */ -public class DataTransformationInterceptor implements Interceptor, DataExchangeSemantics { - private Invoker next; - - private Operation sourceOperation; - - private Operation targetOperation; - private Invocable invocable; - private Mediator mediator; - - public DataTransformationInterceptor(Invocable invocable, - Operation sourceOperation, - Operation targetOperation, - Mediator mediator) { - super(); - this.sourceOperation = sourceOperation; - this.targetOperation = targetOperation; - this.mediator = mediator; - this.invocable = invocable; - } - - public Invoker getNext() { - return next; - } - - public Message invoke(Message msg) { - Map<String, Object> metadata = new HashMap<String, Object>(); - metadata.put(Invocable.class.getName(), invocable); - Object input = mediator.mediateInput(msg.getBody(), sourceOperation, targetOperation, metadata); - msg.setBody(input); - Message resultMsg = next.invoke(msg); - Object result = resultMsg.getBody(); - if (sourceOperation.isNonBlocking()) { - // Not to reset the message body - return resultMsg; - } - - if (resultMsg.isFault()) { - Object transformedFault = null; - if ((result instanceof Exception) && !(result instanceof RuntimeException)) { - transformedFault = mediator.mediateFault(result, sourceOperation, targetOperation, metadata); - if (transformedFault != result) { - resultMsg.setFaultBody(transformedFault); - } - } - // - // Leave it to another layer to actually throw the Exception which constitutes - // the message body. We don't throw it here. - // - } else { - assert !(result instanceof Throwable) : "Expected messages that are not throwable " + result; - Object newResult = mediator.mediateOutput(result, sourceOperation, targetOperation, metadata); - resultMsg.setBody(newResult); - } - - return resultMsg; - } - - public void setNext(Invoker next) { - this.next = next; - } - - public boolean allowsPassByReference() { - return true; - } - -} diff --git a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java b/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java deleted file mode 100644 index a4466bfd1a..0000000000 --- a/java/sca/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/wire/PassByValueInterceptor.java +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -package org.apache.tuscany.sca.core.databinding.wire; - -import org.apache.tuscany.sca.databinding.Mediator; -import org.apache.tuscany.sca.interfacedef.Operation; -import org.apache.tuscany.sca.invocation.Interceptor; -import org.apache.tuscany.sca.invocation.InvocationChain; -import org.apache.tuscany.sca.invocation.Invoker; -import org.apache.tuscany.sca.invocation.Message; -import org.oasisopen.sca.ServiceRuntimeException; - -/** - * Implementation of an interceptor that enforces pass-by-value semantics - * on operation invocations by copying the operation input and output data. - * - * @version $Rev$ $Date$ - */ -public class PassByValueInterceptor implements Interceptor { - - private Mediator mediator; - private Operation operation; - private Invoker nextInvoker; - private InvocationChain chain; - - /** - * Constructs a new PassByValueInterceptor. - * @param dataBindings databinding extension point - * @param operation the intercepted operation - */ - public PassByValueInterceptor(Mediator mediator, InvocationChain chain, Operation operation) { - this.mediator = mediator; - this.chain = chain; - this.operation = operation; - } - - public Message invoke(Message msg) { - if (chain.allowsPassByReference()) { - return nextInvoker.invoke(msg); - } - - msg.setBody(mediator.copyInput(msg.getBody(), operation)); - - Message resultMsg = nextInvoker.invoke(msg); - - if (!resultMsg.isFault() && operation.getOutputType() != null) { - resultMsg.setBody(mediator.copyOutput(resultMsg.getBody(), operation)); - } - - if (resultMsg.isFault()) { - resultMsg.setFaultBody(mediator.copyFault(resultMsg.getBody(), operation)); - } - return resultMsg; - } - - public Invoker getNext() { - return nextInvoker; - } - - public void setNext(Invoker next) { - this.nextInvoker = next; - } - -} |