/**
* Copyright 2005-2014 Restlet
*
* The contents of this file are subject to the terms of one of the following
* open source licenses: Apache 2.0 or or EPL 1.0 (the "Licenses"). You can
* select the license that you prefer but you may not use this file except in
* compliance with one of these Licenses.
*
* You can obtain a copy of the Apache 2.0 license at
* http://www.opensource.org/licenses/apache-2.0
*
* You can obtain a copy of the EPL 1.0 license at
* http://www.opensource.org/licenses/eclipse-1.0
*
* See the Licenses for the specific language governing permissions and
* limitations under the Licenses.
*
* Alternatively, you can obtain a royalty free commercial license with less
* limitations, transferable or non-transferable, directly at
* http://restlet.com/products/restlet-framework
*
* Restlet is a registered trademark of Restlet S.A.S.
*/
package org.restlet.ext.jaxrs.internal.wrappers;
import java.lang.reflect.InvocationTargetException;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.CopyOnWriteArraySet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.restlet.Context;
import org.restlet.ext.jaxrs.internal.core.ThreadLocalizedContext;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalBeanSetterTypeException;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalConstrParamTypeException;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalFieldTypeException;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalParamTypeException;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalPathOnClassException;
import org.restlet.ext.jaxrs.internal.exceptions.IllegalPathParamTypeException;
import org.restlet.ext.jaxrs.internal.exceptions.InjectException;
import org.restlet.ext.jaxrs.internal.exceptions.MissingAnnotationException;
import org.restlet.ext.jaxrs.internal.exceptions.MissingConstructorException;
import org.restlet.ext.jaxrs.internal.util.PathRegExp;
import org.restlet.ext.jaxrs.internal.wrappers.provider.ExtensionBackwardMapping;
import org.restlet.ext.jaxrs.internal.wrappers.provider.JaxRsProviders;
/**
* A ResourceClasses creates and caches some of the wrapper objects.
*
* @author Stephan Koops
*/
public class ResourceClasses {
private final ExtensionBackwardMapping extensionBackwardMapping;
private final JaxRsProviders jaxRsProviders;
private final Logger logger;
private final Map<Class<?>, ResourceClass> resourceClasses = new HashMap<Class<?>, ResourceClass>();
/**
* This set must only changed by adding a root resource class to this
* JaxRsRestlet.
*/
private final Set<RootResourceClass> rootResourceClasses = new CopyOnWriteArraySet<RootResourceClass>();
private final ThreadLocalizedContext tlContext;
/**
* @param tlContext
* the {@link ThreadLocalizedContext} of the
* {@link org.restlet.ext.jaxrs.JaxRsRestlet}.
* @param jaxRsProviders
* @param extensionBackwardMapping
* the extension backward mapping
* @param logger
*/
public ResourceClasses(ThreadLocalizedContext tlContext,
JaxRsProviders jaxRsProviders,
ExtensionBackwardMapping extensionBackwardMapping, Logger logger) {
this.tlContext = tlContext;
this.jaxRsProviders = jaxRsProviders;
this.extensionBackwardMapping = extensionBackwardMapping;
this.logger = logger;
}
/**
* @param rootResourceClass
* @return true, if the root resource class could be added, or false if not.
*/
public boolean addRootClass(Class<?> rootResourceClass) {
RootResourceClass newRrc;
try {
newRrc = this.getPerRequestRootClassWrapper(rootResourceClass);
} catch (IllegalParamTypeException e) {
String msg = "Ignore provider " + rootResourceClass.getName()
+ ": Could not instantiate class "
+ rootResourceClass.getName();
this.logger.log(Level.WARNING, msg, e);
return false;
} catch (IllegalPathOnClassException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " is annotated with an illegal path: " + e.getPath()
+ ". (" + e.getMessage() + ")");
return false;
} catch (IllegalArgumentException e) {
this.logger.log(Level.WARNING, "The root resource class "
+ rootResourceClass.getName()
+ " is not a valid root resource class: " + e.getMessage(),
e);
return false;
} catch (MissingAnnotationException e) {
this.logger.log(Level.WARNING, "The root resource class "
+ rootResourceClass.getName()
+ " is not a valid root resource class: " + e.getMessage(),
e);
return false;
} catch (MissingConstructorException e) {
this.logger
.warning("The root resource class "
+ rootResourceClass.getName()
+ " has no valid constructor");
return false;
} catch (IllegalConstrParamTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an invalid parameter: " + e.getMessage());
return false;
} catch (IllegalBeanSetterTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an bean setter with an illegal type: "
+ e.getMessage());
return false;
} catch (IllegalFieldTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an illegal annotated and typed field: "
+ e.getMessage());
return false;
}
PathRegExp uriTempl = newRrc.getPathRegExp();
for (RootResourceClass rrc : this.rootResourceClasses) {
if (rrc.getJaxRsClass().equals(rootResourceClass)) {
return true;
}
if (rrc.getPathRegExp().equals(uriTempl)) {
this.logger
.warning("There is already a root resource class with path "
+ uriTempl.getPathTemplateEnc());
return false;
}
}
rootResourceClasses.add(newRrc);
return true;
}
/**
*
* @param jaxRsRootObject
* @return true, if the root resource class could be added, or false if not.
*/
public boolean addRootSingleton(Object jaxRsRootObject) {
Class<?> rootResourceClass = jaxRsRootObject.getClass();
RootResourceClass newRrc;
try {
newRrc = this.getSingletonRootClassWrapper(jaxRsRootObject);
} catch (IllegalParamTypeException e) {
String msg = "Ignore provider " + rootResourceClass.getName()
+ ": Could not instantiate class "
+ rootResourceClass.getName();
this.logger.log(Level.WARNING, msg, e);
return false;
} catch (IllegalPathOnClassException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " is annotated with an illegal path: " + e.getPath()
+ ". (" + e.getMessage() + ")");
return false;
} catch (IllegalArgumentException e) {
this.logger.log(Level.WARNING, "The root resource class "
+ rootResourceClass.getName()
+ " is not a valid root resource class: " + e.getMessage(),
e);
return false;
} catch (MissingAnnotationException e) {
this.logger.log(Level.WARNING, "The root resource class "
+ rootResourceClass.getName()
+ " is not a valid root resource class: " + e.getMessage(),
e);
return false;
} catch (MissingConstructorException e) {
this.logger
.warning("The root resource class "
+ rootResourceClass.getName()
+ " has no valid constructor");
return false;
} catch (IllegalConstrParamTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an invalid parameter: " + e.getMessage());
return false;
} catch (IllegalBeanSetterTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an bean setter with an illegal type: "
+ e.getMessage());
return false;
} catch (IllegalFieldTypeException e) {
this.logger.warning("The root resource class "
+ rootResourceClass.getName()
+ " has an illegal annotated and typed field: "
+ e.getMessage());
return false;
} catch (InjectException e) {
this.logger.warning("Dependencies could not be injected in "
+ "root resource class " + rootResourceClass.getName()
+ ": " + e.getMessage());
return false;
} catch (InvocationTargetException e) {
this.logger.warning("Exception while calling bean setters in "
+ "root resource class " + rootResourceClass.getName()
+ ": " + e.getMessage());
return false;
}
PathRegExp uriTempl = newRrc.getPathRegExp();
for (RootResourceClass rrc : this.rootResourceClasses) {
if (rrc.getJaxRsClass().equals(rootResourceClass)) {
return true;
}
if (rrc.getPathRegExp().equals(uriTempl)) {
this.logger
.warning("There is already a root resource class with path "
+ uriTempl.getPathTemplateEnc());
return false;
}
}
rootResourceClasses.add(newRrc);
return true;
}
/**
* Creates a new JAX-RS root resource class wrapper.
*
* @param jaxRsRootResourceClass
* @return the wrapped root resource class.
* @throws IllegalArgumentException
* if the class is not a valid root resource class.
* @throws MissingAnnotationException
* if the class is not annotated with @Path.
* @throws IllegalPathOnClassException
* @throws MissingConstructorException
* if no valid constructor could be found.
* @throws IllegalBeanSetterTypeException
* @throws IllegalFieldTypeException
* @throws IllegalConstrParamTypeException
* @throws IllegalPathParamTypeException
*/
private RootResourceClass getPerRequestRootClassWrapper(
Class<?> jaxRsRootResourceClass) throws IllegalArgumentException,
MissingAnnotationException, IllegalPathOnClassException,
MissingConstructorException, IllegalConstrParamTypeException,
IllegalFieldTypeException, IllegalBeanSetterTypeException,
IllegalPathParamTypeException {
return new PerRequestRootResourceClass(jaxRsRootResourceClass,
this.tlContext, this.jaxRsProviders,
this.extensionBackwardMapping, Context.getCurrentLogger());
}
/**
* Creates a new JAX-RS resource class wrapper.
*
* @param jaxRsResourceClass
* @return
* @throws MissingAnnotationException
* @throws IllegalArgumentException
*/
ResourceClass getResourceClass(Class<?> jaxRsResourceClass)
throws IllegalArgumentException, MissingAnnotationException {
ResourceClass rc;
// NICE thread save Map access without synchronized?
synchronized (this.resourceClasses) {
rc = this.resourceClasses.get(jaxRsResourceClass);
}
if (rc == null) {
rc = new ResourceClass(jaxRsResourceClass, this.tlContext,
this.jaxRsProviders, this.extensionBackwardMapping,
Context.getCurrentLogger());
synchronized (this.resourceClasses) {
this.resourceClasses.put(jaxRsResourceClass, rc);
}
}
return rc;
}
/**
* Creates a new JAX-RS root resource object wrapper.
*
* @param jaxRsRootResourceClass
* @return the wrapped root resource class.
* @throws InvocationTargetException
* if an exception occurs while the injecting of dependencies.
* @throws IllegalArgumentException
* if the class is not a valid root resource class.
* @throws MissingAnnotationException
* if the class is not annotated with @Path.
* @throws MissingConstructorException
* if no valid constructor could be found.
*/
private RootResourceClass getSingletonRootClassWrapper(
Object jaxRsRootResourceObject) throws IllegalPathOnClassException,
IllegalConstrParamTypeException, IllegalFieldTypeException,
IllegalBeanSetterTypeException, IllegalPathParamTypeException,
IllegalArgumentException, MissingAnnotationException,
MissingConstructorException, InjectException,
InvocationTargetException {
// TEST singleton root resource class
return new SingletonRootResourceClass(jaxRsRootResourceObject,
this.tlContext, this.jaxRsProviders,
this.extensionBackwardMapping, Context.getCurrentLogger());
}
/**
* @return the wrapped root resource classes
*/
public Iterable<RootResourceClass> roots() {
return this.rootResourceClasses;
}
}