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/*
* 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.builder.impl;
import java.net.URI;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.namespace.QName;
import org.apache.tuscany.sca.assembly.Binding;
import org.apache.tuscany.sca.assembly.Component;
import org.apache.tuscany.sca.assembly.ComponentReference;
import org.apache.tuscany.sca.assembly.ComponentService;
import org.apache.tuscany.sca.assembly.Composite;
import org.apache.tuscany.sca.assembly.Contract;
import org.apache.tuscany.sca.assembly.Implementation;
import org.apache.tuscany.sca.assembly.Reference;
import org.apache.tuscany.sca.assembly.Service;
import org.apache.tuscany.sca.assembly.builder.BuilderContext;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilder;
import org.apache.tuscany.sca.assembly.builder.CompositeBuilderException;
import org.apache.tuscany.sca.assembly.builder.Messages;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.definitions.Definitions;
import org.apache.tuscany.sca.monitor.Monitor;
/**
* Configuration of binding URIs.
*
* @version $Rev$ $Date$
*/
public class StructuralURIBuilderImpl implements CompositeBuilder {
public StructuralURIBuilderImpl(ExtensionPointRegistry registry) {
}
public String getID() {
return "org.apache.tuscany.sca.assembly.builder.StructualURIBuilder";
}
public Composite build(Composite composite, BuilderContext context)
throws CompositeBuilderException {
configureStructuralURIs(composite,
null,
context.getDefinitions(),
context.getBindingBaseURIs(),
context.getMonitor());
return composite;
}
/**
* If a binding name is not provided by the user, construct it based on the service
* or reference name
*
* @param contract the service or reference
*/
private void constructBindingNames(Contract contract, Monitor monitor) {
List<Binding> bindings = contract.getBindings();
Map<String, Binding> bindingMap = new HashMap<String, Binding>();
for (Binding binding : bindings) {
// set the default binding name if one is required
// if there is no name on the binding then set it to the service or reference name
if (binding.getName() == null) {
binding.setName(contract.getName());
}
Binding existed = bindingMap.put(binding.getName(), binding);
// Check that multiple bindings do not have the same name
if (existed != null && existed != binding) {
if (contract instanceof Service) {
Monitor.error(monitor, this, Messages.ASSEMBLY_VALIDATION, "MultipleBindingsForService", contract
.getName(), binding.getName());
} else {
Monitor.error(monitor,
this,
Messages.ASSEMBLY_VALIDATION,
"MultipleBindingsForReference",
contract.getName(),
binding.getName());
}
}
}
if (contract.getCallback() != null) {
bindings = contract.getCallback().getBindings();
bindingMap.clear();
for (Binding binding : bindings) {
// set the default binding name if one is required
// if there is no name on the binding then set it to the service or reference name
if (binding.getName() == null) {
binding.setName(contract.getName());
}
Binding existed = bindingMap.put(binding.getName(), binding);
// Check that multiple bindings do not have the same name
if (existed != null && existed != binding) {
if (contract instanceof Service) {
Monitor.error(monitor,
this,
Messages.ASSEMBLY_VALIDATION,
"MultipleBindingsForServiceCallback",
contract.getName(),
binding.getName());
} else {
Monitor.error(monitor,
this,
Messages.ASSEMBLY_VALIDATION,
"MultipleBindingsForReferenceCallback",
contract.getName(),
binding.getName());
}
}
}
}
}
private void configureStructuralURIs(Composite composite,
String parentComponentURI,
Definitions definitions,
Map<QName, List<String>> defaultBindings,
Monitor monitor) throws CompositeBuilderException {
monitor.pushContext("Composite: " + composite.getName().toString());
try {
for (Service service : composite.getServices()) {
constructBindingNames(service, monitor);
}
for (Reference reference : composite.getReferences()) {
constructBindingNames(reference, monitor);
}
// Process nested composites recursively
for (Component component : composite.getComponents()) {
// Initialize component URI
String componentURI;
if (parentComponentURI == null) {
componentURI = component.getName();
} else {
componentURI = parentComponentURI + '/' + component.getName();
}
component.setURI(componentURI);
monitor.pushContext("Component: " + component.getName());
try {
for (ComponentService service : component.getServices()) {
constructBindingNames(service, monitor);
}
for (ComponentReference service : component.getReferences()) {
constructBindingNames(service, monitor);
}
} finally {
monitor.popContext();
}
Implementation implementation = component.getImplementation();
if (implementation instanceof Composite) {
// Process nested composite
configureStructuralURIs((Composite)implementation,
componentURI,
definitions,
defaultBindings,
monitor);
}
}
} finally {
monitor.popContext();
}
}
}
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