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Diffstat (limited to 'sca-java-1.x/branches/sca-java-0.91/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/processor/DataBindingJavaInterfaceProcessor.java')
-rw-r--r-- | sca-java-1.x/branches/sca-java-0.91/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/processor/DataBindingJavaInterfaceProcessor.java | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/sca-java-1.x/branches/sca-java-0.91/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/processor/DataBindingJavaInterfaceProcessor.java b/sca-java-1.x/branches/sca-java-0.91/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/processor/DataBindingJavaInterfaceProcessor.java new file mode 100644 index 0000000000..b26846c682 --- /dev/null +++ b/sca-java-1.x/branches/sca-java-0.91/modules/core-databinding/src/main/java/org/apache/tuscany/core/databinding/processor/DataBindingJavaInterfaceProcessor.java @@ -0,0 +1,135 @@ +/* + * 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.core.databinding.processor; + +import java.lang.reflect.Method; +import java.util.HashMap; +import java.util.List; +import java.util.Map; + +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.introspect.JavaInterfaceVisitor; +import org.osoa.sca.annotations.Reference; + +/** + * The databinding annotation processor for java interfaces + * + * @version $Rev$ $Date$ + */ +public class DataBindingJavaInterfaceProcessor implements JavaInterfaceVisitor { + private DataBindingExtensionPoint dataBindingRegistry; + + public DataBindingJavaInterfaceProcessor(@Reference + DataBindingExtensionPoint dataBindingRegistry) { + super(); + this.dataBindingRegistry = dataBindingRegistry; + } + + public void visitInterface(JavaInterface javaInterface) throws InvalidInterfaceException { + if (!javaInterface.isRemotable()) { + return; + } + List<Operation> operations = javaInterface.getOperations(); + processInterface(javaInterface, operations); + } + + private void introspectWrapperStyle(Operation operation) { + if (operation.isWrapperStyle()) { + return; + } + DataType outputType = operation.getOutputType(); + DataType<List<DataType>> inputType = operation.getInputType(); + if (outputType == null || inputType == null) { + return; + } + if (inputType.getLogical().size() != 1) { + return; + } + DataType wrapperType = inputType.getLogical().get(0); + if (outputType.getDataBinding().equals(wrapperType.getDataBinding())) { + operation.setWrapperStyle(true); + operation.setDataBinding(outputType.getDataBinding()); + } + } + + 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.wrapperStyle(); + } + + Map<String, Operation> opMap = new HashMap<String, Operation>(); + for (Operation op : javaInterface.getOperations()) { + opMap.put(op.getName(), op); + if (dataBindingId != null) { + op.setDataBinding(dataBindingId); + op.setWrapperStyle(wrapperStyle); + } + } + for (Method method : clazz.getMethods()) { + Operation operation = opMap.get(method.getName()); + DataBinding methodDataBinding = clazz.getAnnotation(DataBinding.class); + if (methodDataBinding == null) { + methodDataBinding = dataBinding; + } + dataBindingId = null; + wrapperStyle = false; + if (dataBinding != null) { + dataBindingId = dataBinding.value(); + wrapperStyle = dataBinding.wrapperStyle(); + operation.setDataBinding(dataBindingId); + operation.setWrapperStyle(wrapperStyle); + } + + // FIXME: We need a better way to identify simple java types + for (org.apache.tuscany.sca.interfacedef.DataType<?> d : operation.getInputType().getLogical()) { + if (d.getDataBinding() == null) { + d.setDataBinding(dataBindingId); + } + dataBindingRegistry.introspectType(d, method.getAnnotations()); + } + if (operation.getOutputType() != null) { + DataType<?> d = operation.getOutputType(); + if (d.getDataBinding() == null) { + d.setDataBinding(dataBindingId); + } + dataBindingRegistry.introspectType(d, method.getAnnotations()); + } + for (org.apache.tuscany.sca.interfacedef.DataType<?> d : operation.getFaultTypes()) { + if (d.getDataBinding() == null) { + d.setDataBinding(dataBindingId); + } + dataBindingRegistry.introspectType(d, method.getAnnotations()); + } + + // FIXME: Do we want to heuristically check the wrapper style? + // introspectWrapperStyle(operation); + } + } +} |