/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.web.tomcat.service;
import org.apache.InstanceManager;
import org.jboss.deployers.structure.spi.DeploymentUnit;
import org.jboss.deployers.vfs.spi.structure.VFSDeploymentUnit;
import org.jboss.deployment.MappedReferenceMetaDataResolverDeployer;
import org.jboss.deployment.dependency.ContainerDependencyMetaData;
import org.jboss.deployment.spi.DeploymentEndpointResolver;
import org.jboss.ejb3.Container;
import org.jboss.ejb3.DependencyPolicy;
import org.jboss.ejb3.deployers.JBoss5DependencyPolicy;
import org.jboss.ejb3.javaee.AbstractJavaEEComponent;
import org.jboss.ejb3.javaee.SimpleJavaEEModule;
import org.jboss.ejb3.vfs.impl.vfs2.VirtualFileWrapper;
import org.jboss.ejb3.vfs.spi.VirtualFile;
import org.jboss.injection.*;
import org.jboss.jpa.resolvers.PersistenceUnitDependencyResolver;
import org.jboss.logging.Logger;
import org.jboss.metadata.javaee.spec.Environment;
import org.jboss.metadata.javaee.spec.LifecycleCallbackMetaData;
import org.jboss.metadata.web.jboss.JBossWebMetaData;
import org.jboss.web.WebApplication;
import org.jboss.web.tomcat.service.injection.TomcatInjectionUtils;
import org.jboss.web.tomcat.service.injection.WebEJBHandler;
import org.jboss.web.tomcat.service.injection.WebResourceHandler;
import org.jboss.web.tomcat.service.injection.WebServiceRefInjectionHandler;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.naming.NameNotFoundException;
import javax.naming.NamingException;
import javax.servlet.Filter;
import javax.servlet.Servlet;
import java.io.IOException;
import java.io.InputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.*;
/**
* The TomcatInjectionContainer.
*
* @author <a href="mailto:bill@jboss.org">Bill Burke</a>
* @author adrian@jboss.org
* @author Scott.Stark@jboss.org
* @author <a href="mailto:emuckenh@redhat.com">Emanuel Muckenhuber</a>
* @version $Revision: 104907 $
*/
public class TomcatInjectionContainer extends AbstractJavaEEComponent implements ExtendedInjectionContainer, InstanceManager
{
private static final Logger log = Logger.getLogger(TomcatInjectionContainer.class);
private static class EncMap extends HashMap<String, EncInjector>
{
private HashMap<String, EncInjector> added;
public void recordAdded()
{
added = new HashMap<String, EncInjector>();
}
public void clearAdded()
{
added = null;
}
public Map<String, EncInjector> getAdded()
{
return added;
}
@Override
public EncInjector put(String key, EncInjector value)
{
if (added != null)
added.put(key, value);
return super.put(key, value);
}
@Override
public void putAll(Map<? extends String, ? extends EncInjector> m)
{
if (added != null)
added.putAll(m);
super.putAll(m);
}
}
protected EncMap encInjectors = new EncMap();
protected Map<String, Map<AccessibleObject, Injector>> encInjections = new HashMap<String, Map<AccessibleObject, Injector>>();
protected DependencyPolicy dependencyPolicy = new JBoss5DependencyPolicy(this);
protected Collection<InjectionHandler<Environment>> handlers;
protected DeploymentUnit unit;
protected ClassLoader webLoader;
protected WebApplication appInfo;
protected JBossWebMetaData webDD;
protected org.apache.catalina.Context catalinaContext;
private PersistenceUnitDependencyResolver persistenceUnitDependencyResolver;
private DeploymentEndpointResolver deploymentEndpointResolver;
private Map<String, ContainerDependencyMetaData> endpointMap;
private static final Set<String> dynamicClassLoaders = new HashSet<String>();
private static final Properties restrictedFilters = new Properties();
private static final Properties restrictedListeners = new Properties();
private static final Properties restrictedServlets = new Properties();
static
{
try
{
InputStream is = TomcatInjectionContainer.class.getClassLoader().getResourceAsStream("org/apache/catalina/core/RestrictedServlets.properties");
if (is != null)
{
restrictedServlets.load(is);
}
else
{
log.error("Could not load org/apache/catalina/core/RestrictedServlets.properties");
}
}
catch (IOException e)
{
log.error("Error reading org/apache/catalina/core/RestrictedServlets.properties", e);
}
try
{
InputStream is = TomcatInjectionContainer.class.getClassLoader().getResourceAsStream("org/apache/catalina/core/RestrictedListeners.properties");
if (is != null)
{
restrictedListeners.load(is);
}
else
{
log.error("Could not load org/apache/catalina/core/RestrictedListeners.properties");
}
}
catch (IOException e)
{
log.error("Error reading org/apache/catalina/core/RestrictedListeners.properties", e);
}
try
{
InputStream is = TomcatInjectionContainer.class.getClassLoader().getResourceAsStream("org/apache/catalina/core/RestrictedFilters.properties");
if (is != null)
{
restrictedFilters.load(is);
}
else
{
log.error("Could not load org/apache/catalina/core/RestrictedFilters.properties");
}
}
catch (IOException e)
{
log.error("Error reading org/apache/catalina/core/RestrictedFilters.properties", e);
}
//
dynamicClassLoaders.add("org.apache.jasper.servlet.JasperLoader");
}
public TomcatInjectionContainer(WebApplication appInfo, DeploymentUnit unit, org.apache.catalina.Context catalinaContext,
PersistenceUnitDependencyResolver resolver)
{
super(new SimpleJavaEEModule(appInfo.getName()));
this.unit = unit;
this.appInfo = appInfo;
this.catalinaContext = catalinaContext;
this.persistenceUnitDependencyResolver = resolver;
this.deploymentEndpointResolver = unit.getAttachment(DeploymentEndpointResolver.class);
this.endpointMap = unit.getTopLevel().getAttachment(MappedReferenceMetaDataResolverDeployer.ENDPOINT_MAP_KEY, Map.class);
this.webDD = unit.getAttachment(JBossWebMetaData.class);
assert this.webDD != null : "webDD is null (no JBossWebMetaData attachment in VFSDeploymentUnit)";
}
private void checkAccess(Class<?> clazz)
{
if (catalinaContext.getPrivileged())
return;
if (Filter.class.isAssignableFrom(clazz))
{
checkAccess(clazz, restrictedFilters);
}
else if (Servlet.class.isAssignableFrom(clazz))
{
checkAccess(clazz, restrictedServlets);
}
else
{
checkAccess(clazz, restrictedListeners);
}
}
private void checkAccess(Class<?> clazz, Properties restricted)
{
while (clazz != null)
{
if ("restricted".equals(restricted.getProperty(clazz.getName())))
{
throw new SecurityException("Restricted class: " + clazz.getName());
}
clazz = clazz.getSuperclass();
}
}
public Environment getEnvironmentRefGroup()
{
return webDD.getJndiEnvironmentRefsGroup();
}
public Object newInstance(String className) throws IllegalAccessException, InvocationTargetException, NamingException, InstantiationException,
ClassNotFoundException
{
ClassLoader loader = catalinaContext.getLoader().getClassLoader();
return newInstance(className, loader);
}
public Object newInstance(String className, ClassLoader classLoader) throws IllegalAccessException, InvocationTargetException, NamingException,
InstantiationException, ClassNotFoundException
{
Class<?> clazz = classLoader.loadClass(className);
checkAccess(clazz);
Object instance = clazz.newInstance();
newInstance(instance);
return instance;
}
public void newInstance(Object instance) throws IllegalAccessException, InvocationTargetException, NamingException
{
processInjectors(instance);
if (!catalinaContext.getIgnoreAnnotations())
{
processDynamicBeanAnnotations(instance);
postConstruct(instance);
}
}
public void destroyInstance(Object instance) throws IllegalAccessException, InvocationTargetException
{
if (!catalinaContext.getIgnoreAnnotations())
{
preDestroy(instance);
}
}
/**
* Process the @PostConstruct annotation
*
* @param object the Object
* @throws IllegalAccessException
* @throws InvocationTargetException
*/
public void postConstruct(Object object) throws IllegalAccessException, InvocationTargetException
{
if (webDD.getPostConstructs() == null)
return;
for (LifecycleCallbackMetaData metaData : webDD.getPostConstructs())
{
try
{
Class<?> clazz = webLoader.loadClass(metaData.getClassName());
if (clazz.isAssignableFrom(object.getClass()))
{
// process LifecycleCallbackMetaData
processesLifecycleCallbackMetaData(object, metaData);
}
}
catch (ClassNotFoundException e)
{
throw new RuntimeException("Error invoking postConstruct method: " + metaData.getMethodName(), e);
}
}
}
/**
* Process the @PreDestroy annotation.
*
* @param object the Object
* @throws IllegalAccessException
* @throws InvocationTargetException
*/
public void preDestroy(Object object) throws IllegalAccessException, InvocationTargetException
{
if (webDD.getPreDestroys() == null)
return;
for (LifecycleCallbackMetaData metaData : webDD.getPreDestroys())
{
try
{
//
Class<?> clazz = webLoader.loadClass(metaData.getClassName());
if (clazz.isAssignableFrom(object.getClass()))
{
// process LifecycleCallbackMetaData
processesLifecycleCallbackMetaData(object, metaData);
}
}
catch (ClassNotFoundException e)
{
throw new RuntimeException("Error invoking postConstruct method: " + metaData.getMethodName(), e);
}
}
}
/**
* Process the injectors.
*
* @param object the object
*/
public void processInjectors(Object object)
{
final boolean trace = log.isTraceEnabled();
Map<AccessibleObject, Injector> injectors = getEncInjectionsForObject(object);
if (injectors == null || injectors.size() == 0)
{
if (trace)
log.trace("-- no injectors found for: " + object);
return;
}
if (trace)
log.trace("-- doing injections for: " + object);
for (Injector injector : injectors.values())
{
injector.inject(object);
}
}
/**
* Process annotations for dynamic beans only.
*
* @param object the object
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NamingException
*/
protected void processDynamicBeanAnnotations(Object object) throws IllegalAccessException, InvocationTargetException, NamingException
{
// Only process annotation on dynamic beans
if (isDynamicBean(object))
processAnnotations(object);
}
/**
* When we get here, we are assuming that any XML defined injection has been already done.
* We will set up more here if the class being processed is a dynamic class.
*
* @param object the Object
* @throws IllegalAccessException
* @throws InvocationTargetException
* @throws NamingException
*/
public void processAnnotations(Object object) throws IllegalAccessException, InvocationTargetException, NamingException
{
final boolean trace = log.isTraceEnabled();
Map<AccessibleObject, Injector> injectors = getEncInjectionsForClass(object.getClass(), true);
if (injectors == null)
{
if (trace)
log.trace("**************** Processing annotations for: " + object.getClass().getName());
encInjectors.recordAdded();
// Populate the encInjections
TomcatInjectionUtils.processDynamicBeanAnnotations(this, handlers, object.getClass());
// only execute injectors that were added additionally
if (encInjectors.getAdded().size() > 0)
{
for (EncInjector encInjector : encInjectors.getAdded().values())
{
encInjector.inject(this);
}
encInjectors.clearAdded();
}
// Process the injectors
processInjectors(object);
}
}
/**
* Get the the Injectors for a object and it's superclass.
*
* @param object
* @return
*/
private Map<AccessibleObject, Injector> getEncInjectionsForObject(Object object)
{
if (object == null || object.getClass() == Object.class)
return null;
return getEncInjectionsForClass(object.getClass(), isDynamicBean(object));
}
private Map<AccessibleObject, Injector> getEncInjectionsForClass(Class<?> clazz, boolean isDynamic)
{
if (clazz == null || clazz == Object.class)
return null;
Map<AccessibleObject, Injector> injectors = encInjections.get(clazz.getName());
Map<AccessibleObject, Injector> additionalInjectors = null;
if (clazz.getSuperclass() != null && !isDynamic)
additionalInjectors = getEncInjectionsForClass(clazz.getSuperclass(), isDynamic);
if (injectors == null)
return additionalInjectors;
else if (additionalInjectors != null)
injectors.putAll(additionalInjectors);
return injectors;
}
/**
* Check if the class is a dynamic bean.
*
* @param object the Object
* @return
*/
private boolean isDynamicBean(Object object)
{
if (object == null)
throw new IllegalArgumentException("null class");
ClassLoader loader = object.getClass().getClassLoader();
if (loader == null)
return false;
// Check if the object was loaded by a dynamic class loader (e.g. Jasper)
String classLoaderName = loader.getClass().getName();
if (dynamicClassLoaders.contains(classLoaderName))
return true;
return false;
}
public void populateEnc(ClassLoader loader)
{
for (EncInjector injector : encInjectors.values())
{
injector.inject(this);
}
}
private void processesLifecycleCallbackMetaData(Object object, LifecycleCallbackMetaData lifeCycleMetaData) throws IllegalAccessException,
InvocationTargetException
{
final Object args[] = null;
Class<?> clazz = object.getClass();
Method method = null;
// Also check superClasses for private members
while (clazz != null)
{
for (Method m : clazz.getDeclaredMethods())
{
if (m.getName().equals(lifeCycleMetaData.getMethodName()))
{
method = m;
}
}
if (method != null)
break;
clazz = clazz.getSuperclass();
}
if (method == null)
throw new IllegalStateException("Method: " + lifeCycleMetaData.getMethodName() + " not found.");
boolean accessible = method.isAccessible();
try
{
// Finally invoke the method
method.setAccessible(true);
method.invoke(object, args);
}
finally
{
method.setAccessible(accessible);
}
}
/**
* Process the meta data. There is no introspection needed, as the annotations
* were already processed. The handlers add the EjbEncInjectors to encInjectors.
* Other injectors are added to the encInjections map.
* <p/>
* This must be called before container is registered with any microcontainer
*
*/
public void processMetadata()
{
//
InjectionHandler<Environment> webEjbHandler = new WebEJBHandler<Environment>(webDD, deploymentEndpointResolver, endpointMap, unit.getRelativePath());
// todo injection handlers should be pluggable from XML
handlers = new ArrayList<InjectionHandler<Environment>>();
handlers.add(webEjbHandler);
handlers.add(new DependsHandler<Environment>());
handlers.add(new PersistenceContextHandler<Environment>());
handlers.add(new PersistenceUnitHandler<Environment>());
handlers.add(new WebResourceHandler<Environment>());
handlers.add(new WebServiceRefInjectionHandler<Environment>());
ClassLoader old = Thread.currentThread().getContextClassLoader();
ClassLoader webLoader = getClassloader();
Thread.currentThread().setContextClassLoader(webLoader);
try
{
for (InjectionHandler<Environment> handler : handlers)
handler.loadXml(webDD.getJndiEnvironmentRefsGroup(), this);
}
finally
{
Thread.currentThread().setContextClassLoader(old);
}
}
public Map<String, EncInjector> getEncInjectors()
{
return encInjectors;
}
public Map<String, Map<AccessibleObject, Injector>> getEncInjections()
{
return encInjections;
}
// EncInjectors/Handlers may need to add extra instance injectors
public List<Injector> getInjectors()
{
return new ArrayList<Injector>(); // no equivalent in WAR
}
public VirtualFile getRootFile()
{
if (unit instanceof VFSDeploymentUnit)
return new VirtualFileWrapper(((VFSDeploymentUnit)unit).getRoot());
else
return null;
}
public String getIdentifier()
{
return unit.getSimpleName();
}
public String getDeploymentDescriptorType()
{
return "web.xml";
}
public ClassLoader getClassloader()
{
return webLoader;
}
public void setClassLoader(ClassLoader loader)
{
this.webLoader = loader;
}
public Context getEnc()
{
ClassLoader old = Thread.currentThread().getContextClassLoader();
try
{
Thread.currentThread().setContextClassLoader(getClassloader());
try
{
return (Context)new InitialContext().lookup("java:comp");
}
catch (NamingException e)
{
throw new RuntimeException(e);
}
}
finally
{
Thread.currentThread().setContextClassLoader(old);
}
}
public boolean hasJNDIBinding(String jndiName)
{
return false;
}
public Container resolveEjbContainer(String link, Class<?> businessIntf)
{
return null;
}
public Container resolveEjbContainer(Class<?> businessIntf) throws NameNotFoundException
{
return null;
}
public String getEjbJndiName(Class<?> businessIntf) throws NameNotFoundException
{
throw new IllegalStateException("Resolution should not happen via injection container");
}
public String getEjbJndiName(String link, Class<?> businessIntf)
{
throw new IllegalStateException("Resolution should not happen via injection container");
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType, Class<?> clazz)
{
return clazz.getAnnotation(annotationType);
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType, Class<?> clazz, Method method)
{
return method.getAnnotation(annotationType);
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType, Method method)
{
return method.getAnnotation(annotationType);
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType, Class<?> clazz, Field field)
{
return field.getAnnotation(annotationType);
}
public <T extends Annotation> T getAnnotation(Class<T> annotationType, Field field)
{
return field.getAnnotation(annotationType);
}
public DependencyPolicy getDependencyPolicy()
{
return dependencyPolicy;
}
public String resolveMessageDestination(String link)
{
throw new IllegalStateException("Resolution should not happen via injection container");
}
public String resolvePersistenceUnitSupplier(String persistenceUnitName)
{
return persistenceUnitDependencyResolver.resolvePersistenceUnitSupplier(unit, persistenceUnitName);
}
}