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* Licensed to the Apache Software Foundation (ASF) under one
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* 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.
*
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package org.apache.wink.osgi.internal;
import java.util.Collections;
import java.util.List;
import java.util.Set;
import java.util.regex.Pattern;
import javax.ws.rs.WebApplicationException;
import org.apache.wink.common.RuntimeContext;
import org.apache.wink.common.internal.lifecycle.LifecycleManagersRegistry;
import org.apache.wink.common.internal.lifecycle.ObjectFactory;
import org.apache.wink.common.internal.registry.metadata.ClassMetadata;
import org.apache.wink.common.internal.registry.metadata.ResourceMetadataCollector;
import org.apache.wink.common.internal.uritemplate.UriTemplateMatcher;
import org.apache.wink.common.internal.uritemplate.UriTemplateProcessor;
import org.apache.wink.server.internal.DeploymentConfiguration;
import org.apache.wink.server.internal.registry.MethodRecord;
import org.apache.wink.server.internal.registry.ResourceInstance;
import org.apache.wink.server.internal.registry.ResourceRecord;
import org.apache.wink.server.internal.registry.ResourceRegistry;
import org.apache.wink.server.internal.registry.SubResourceInstance;
/**
* A deployment configuration that returns a thread local root resource instance if set.
*/
public class ThreadRootResourceDeploymentConfiguration extends DeploymentConfiguration {
public static ThreadLocal<Object> threadLocalRootResource = new ThreadLocal<Object>();
/**
* @return the thread local root-resource as ResourceInstance or null
*/
private ResourceInstance getThreadLocalResourceInstance() {
final Object rootResource = threadLocalRootResource.get();
if (rootResource == null) {
return null;
}
final ObjectFactory<?> objectFactory = new ObjectFactory<Object>() {
public Object getInstance(RuntimeContext context) {
return rootResource;
}
public Class<Object> getInstanceClass() {
return Object.class;
}
public void releaseInstance(Object instance, RuntimeContext context) {
/* do nothing */
}
public void releaseAll(RuntimeContext context) {
/* do nothing */
}
};
final ClassMetadata metadata = ResourceMetadataCollector.collectMetadata(rootResource.getClass());
//for some reason we need a UriTemplateMatcher with a successful last match
final UriTemplateProcessor processor = new UriTemplateProcessor() {
@Override
public void compile(String arg0) {
pattern = Pattern.compile(".*");
}
};
processor.compile("{.*}");
final UriTemplateMatcher uriTemplateMatcher = processor.matcher();
uriTemplateMatcher.match("foo");
return new ResourceInstance(rootResource,
new ResourceRecord(metadata, objectFactory, processor), uriTemplateMatcher);
}
public class FixedResourceRegistry extends ResourceRegistry {
private ResourceRegistry wrapped;
//private LifecycleManagersRegistry lifecycleManagersRegistry = new LifecycleManagersRegistry();
public FixedResourceRegistry(ResourceRegistry wrapped) {
super(new LifecycleManagersRegistry(), null);
this.wrapped = wrapped;
}
@Override
public void addResource(Class<?> arg0, double arg1) {
wrapped.addResource(arg0, arg1);
}
@Override
public void addResource(Class<?> clazz) {
wrapped.addResource(clazz);
}
@Override
public void addResource(Object arg0, double arg1) {
wrapped.addResource(arg0, arg1);
}
@Override
public void addResource(Object instance) {
wrapped.addResource(instance);
}
@Override
public MethodRecord findMethod(ResourceInstance arg0,
RuntimeContext arg1) throws WebApplicationException {
return wrapped.findMethod(arg0, arg1);
}
@Override
public SubResourceInstance findSubResourceMethod(String pattern,
List<SubResourceInstance> subResourceRecords,
ResourceInstance resource, RuntimeContext context)
throws WebApplicationException {
return wrapped.findSubResourceMethod(pattern, subResourceRecords, resource,
context);
}
@Override
public List<ResourceInstance> getMatchingRootResources(String arg0,
boolean arg1) {
ResourceInstance threadLocaleInstance = getThreadLocalResourceInstance();
if (threadLocaleInstance == null) {
return wrapped.getMatchingRootResources(arg0, arg1);
} else {
return Collections.singletonList(threadLocaleInstance);
}
}
@Override
public List<ResourceInstance> getMatchingRootResources(String uri) {
return wrapped.getMatchingRootResources(uri);
}
@Override
public Set<String> getOptions(ResourceInstance arg0) {
return wrapped.getOptions(arg0);
}
@Override
public ResourceRecord getRecord(Class<?> clazz) {
return wrapped.getRecord(clazz);
}
@Override
public ResourceRecord getRecord(Object instance, boolean isRootResource) {
return wrapped.getRecord(instance, isRootResource);
}
@Override
public ResourceRecord getRecord(Object instance) {
return wrapped.getRecord(instance);
}
@Override
public List<ResourceRecord> getRecords() {
return wrapped.getRecords();
}
@Override
public void removeAllResources() {
wrapped.removeAllResources();
}
}
@Override
public ResourceRegistry getResourceRegistry() {
return new FixedResourceRegistry(super.getResourceRegistry());
}
}