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/**
*
* Copyright 2006 The Apache Software Foundation
*
* Licensed 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.loader.impl;
import java.io.IOException;
import java.net.URL;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.WeakHashMap;
import javax.wsdl.Definition;
import javax.wsdl.PortType;
import javax.wsdl.Service;
import javax.wsdl.WSDLException;
import javax.wsdl.extensions.ExtensionRegistry;
import javax.wsdl.factory.WSDLFactory;
import javax.wsdl.xml.WSDLReader;
import javax.xml.namespace.QName;
import org.apache.tuscany.common.resource.ResourceLoader;
import org.apache.tuscany.core.loader.WSDLDefinitionRegistry;
import org.osoa.sca.annotations.Scope;
/**
* @version $Rev$ $Date$
*/
@org.osoa.sca.annotations.Service(interfaces = {WSDLDefinitionRegistry.class})
@Scope("MODULE")
public class WSDLDefinitionRegistryImpl implements WSDLDefinitionRegistry {
private final WSDLFactory wsdlFactory;
private final ExtensionRegistry registry;
private final Map<ResourceLoader,Map<URL, Definition>> definitionsByLocationByLoader = new WeakHashMap<ResourceLoader,Map<URL, Definition>>();
private final Map<ResourceLoader,Map<String, List<Definition>>> definitionsByNamespaceByLoader = new WeakHashMap<ResourceLoader,Map<String, List<Definition>>>();
private Monitor monitor;
public WSDLDefinitionRegistryImpl() throws WSDLException {
wsdlFactory = WSDLFactory.newInstance();
registry = wsdlFactory.newPopulatedExtensionRegistry();
}
@org.apache.tuscany.core.system.annotation.Monitor
public void setMonitor(Monitor monitor) {
this.monitor = monitor;
}
public ExtensionRegistry getExtensionRegistry() {
return registry;
}
public Definition loadDefinition(String wsdlLocation, ResourceLoader resourceLoader) throws IOException, WSDLException {
int index = wsdlLocation.indexOf(' ');
if (index == -1) {
throw new WSDLException(WSDLException.CONFIGURATION_ERROR, "Invalid wsdlLocation: " + wsdlLocation);
}
String namespace = wsdlLocation.substring(0, index).trim();
URL url;
URI uri;
try {
uri = new URI(wsdlLocation.substring(index + 1).trim());
} catch (URISyntaxException e) {
throw new WSDLException(WSDLException.CONFIGURATION_ERROR, "Invalid wsdlLocation: " + wsdlLocation);
}
if (uri.isAbsolute()) {
url = uri.toURL();
} else {
url = resourceLoader.getResource(uri.toString());
if (url == null) {
throw new WSDLException(WSDLException.CONFIGURATION_ERROR, "Resource not found: " + uri);
}
}
return loadDefinition(namespace, url, resourceLoader);
}
public Definition loadDefinition(String namespace, URL location, ResourceLoader resourceLoader) throws IOException, WSDLException {
Map<URL, Definition> definitionsByLocation = getDefinitionsByLocation(resourceLoader);
Map<String, List<Definition>> definitionsByNamespace = getDefinitionsByNamespace(resourceLoader);
Definition definition = definitionsByLocation.get(location);
if (definition != null) {
// return cached copy
return definition;
}
monitor.readingWSDL(namespace, location);
WSDLReader reader = wsdlFactory.newWSDLReader();
reader.setFeature("javax.wsdl.verbose", false);
reader.setExtensionRegistry(registry);
definition = reader.readWSDL(location.toString());
String definitionNamespace = definition.getTargetNamespace();
if (namespace != null && !namespace.equals(definitionNamespace)) {
throw new WSDLException(WSDLException.CONFIGURATION_ERROR, namespace + " != " + definition.getTargetNamespace());
}
monitor.cachingDefinition(definitionNamespace, location);
definitionsByLocation.put(location, definition);
List<Definition> definitions = definitionsByNamespace.get(definitionNamespace);
if (definitions == null) {
definitions = new ArrayList<Definition>();
definitionsByNamespace.put(definitionNamespace, definitions);
}
definitions.add(definition);
return definition;
}
public List<Definition> getDefinitionsForNamespace(String namespace, ResourceLoader resourceLoader) {
Map<String, List<Definition>> definitionsByNamespace = getDefinitionsByNamespace(resourceLoader);
return definitionsByNamespace.get(namespace);
}
public PortType getPortType(QName name, ResourceLoader resourceLoader) {
Map<String, List<Definition>> definitionsByNamespace = getDefinitionsByNamespace(resourceLoader);
String namespace = name.getNamespaceURI();
List<Definition> definitions = definitionsByNamespace.get(namespace);
if (definitions == null) {
return null;
}
for (Definition definition : definitions) {
PortType portType = definition.getPortType(name);
if (portType != null) {
return portType;
}
}
return null;
}
public Service getService(QName name, ResourceLoader resourceLoader) {
Map<String, List<Definition>> definitionsByNamespace = getDefinitionsByNamespace(resourceLoader);
String namespace = name.getNamespaceURI();
List<Definition> definitions = definitionsByNamespace.get(namespace);
if (definitions == null) {
return null;
}
for (Definition definition : definitions) {
Service service = definition.getService(name);
if (service != null) {
return service;
}
}
return null;
}
private Map<String, List<Definition>> getDefinitionsByNamespace(ResourceLoader resourceLoader) {
Map<String, List<Definition>> map = definitionsByNamespaceByLoader.get(resourceLoader);
if (map == null) {
map = new HashMap<String, List<Definition>>();
definitionsByNamespaceByLoader.put(resourceLoader, map);
}
return map;
}
private Map<URL, Definition> getDefinitionsByLocation(ResourceLoader resourceLoader) {
Map<URL, Definition> map = definitionsByLocationByLoader.get(resourceLoader);
if (map == null) {
map = new HashMap<URL, Definition>();
definitionsByLocationByLoader.put(resourceLoader, map);
}
return map;
}
public static interface Monitor {
/**
* Monitor event emitted immediately before an attempt is made to
* read WSDL for the supplied namespace from the supplied location.
*
* @param namespace the target namespace expected in the WSDL; may be null
* @param location the location where we will attempt to read the WSDL definition from
*/
void readingWSDL(String namespace, URL location);
/**
* Monitor event emitted immediately before registering a WSDL definition
* in the cache.
*
* @param namespace the target namespace for the WSDL
* @param location the location where the WSDL definition was read from
*/
void cachingDefinition(String namespace, URL location);
}
}
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