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Kernel for Resin Java Application Server
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/*
* Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.config.cfg;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import javax.annotation.PostConstruct;
import javax.enterprise.inject.Alternative;
import javax.enterprise.inject.Stereotype;
import com.caucho.config.ConfigException;
import com.caucho.config.LineConfigException;
import com.caucho.config.TagName;
import com.caucho.config.inject.InjectManager;
import com.caucho.config.inject.ManagedBeanImpl;
import com.caucho.config.xml.XmlBeanConfig;
import com.caucho.inject.Module;
import com.caucho.loader.EnvironmentBean;
import com.caucho.util.L10N;
import com.caucho.vfs.Path;
/**
* Configuration for a classloader root containing webbeans
*/
@Module
public class BeansConfig implements EnvironmentBean {
private static final L10N L = new L10N(BeansConfig.class);
private InjectManager _injectManager;
private Path _root;
private Path _beansFile;
private ArrayList> _alternativesList
= new ArrayList>();
private ArrayList> _interceptorList
= new ArrayList>();
private ArrayList> _decoratorList
= new ArrayList>();
private ArrayList> _pendingClasses
= new ArrayList>();
private boolean _isConfigured;
public BeansConfig(InjectManager injectManager, Path root)
{
_injectManager = injectManager;
_root = root;
_beansFile = root.lookup("META-INF/beans.xml");
_beansFile.setUserPath(_beansFile.getURL());
}
public void setSchemaLocation(String schema)
{
}
/**
* returns the owning container.
*/
public InjectManager getContainer()
{
return _injectManager;
}
/**
* Returns the owning classloader.
*/
@Override
public ClassLoader getClassLoader()
{
return getContainer().getClassLoader();
}
/**
* Gets the web beans root directory
*/
public Path getRoot()
{
return _root;
}
/**
* Adds a scanned class
*/
public void addScannedClass(Class cl)
{
_pendingClasses.add(cl);
}
/**
* True if the configuration file has been passed.
*/
public boolean isConfigured()
{
return _isConfigured;
}
/**
* True if the configuration file has been passed.
*/
public void setConfigured(boolean isConfigured)
{
_isConfigured = isConfigured;
}
public ArrayList> getAlternativesList()
{
return _alternativesList;
}
//
// web-beans syntax
//
/**
* Adds a namespace bean
*/
public void addCustomBean(XmlBeanConfig bean)
{
}
/**
* Adds a deploy
*/
@TagName("Deploy")
public DeployConfig createDeploy()
{
return new DeployConfig();
}
/**
* Adds a deploy
*/
public AlternativesConfig createAlternatives()
{
return new AlternativesConfig();
}
/**
* Adds the interceptors
*/
public Interceptors createInterceptors()
{
return new Interceptors();
}
/**
* Adds the decorators
*/
public Decorators createDecorators()
{
return new Decorators();
}
/**
* Initialization and validation on parse completion.
*/
@PostConstruct
public void init()
{
for (Class cl : _decoratorList) {
// DecoratorBean decorator = new DecoratorBean(_injectManager, cl);
_injectManager.addDecoratorClass(cl);
}
_decoratorList.clear();
for (Class cl : _interceptorList) {
_injectManager.addInterceptorClass(cl);
}
_interceptorList.clear();
update();
}
public void update()
{
InjectManager injectManager = _injectManager;
try {
if (_pendingClasses.size() > 0) {
ArrayList> pendingClasses
= new ArrayList>(_pendingClasses);
_pendingClasses.clear();
for (Class cl : pendingClasses) {
ManagedBeanImpl bean;
bean = injectManager.createManagedBean(cl);
injectManager.addBeanDiscover(bean);
bean.introspectProduces();
}
}
} catch (Exception e) {
throw LineConfigException.create(_beansFile.getURL(), 1, e);
}
}
public void addInterceptor(Class cl)
{
if (_interceptorList == null)
_interceptorList = new ArrayList>();
if (cl.isInterface())
throw new ConfigException(L.l("'{0}' is not valid because can only contain interceptor implementations",
cl.getName()));
if (_interceptorList.contains(cl))
throw new ConfigException(L.l("'{0}' is a duplicate interceptor. Interceptors may not be listed twice in the beans.xml",
cl.getName()));
_interceptorList.add(cl);
}
@Override
public String toString()
{
if (_root != null)
return getClass().getSimpleName() + "[" + _root.getURL() + "]";
else
return getClass().getSimpleName() + "[]";
}
public class Interceptors {
public void addClass(Class cl)
{
addInterceptor(cl);
}
}
public class Decorators {
public void setConfigLocation(String location)
{
}
public void addClass(Class cl)
{
if (_decoratorList.contains(cl))
throw new ConfigException(L.l("'{0}' is a duplicate decorator. Decorators may not be listed twice in the beans.xml",
cl.getName()));
_decoratorList.add(cl);
}
public void addDecorator(Class cl)
{
addClass(cl);
}
public void addCustomBean(XmlBeanConfig config)
{
Class cl = config.getClassType();
if (cl.isInterface())
throw new ConfigException(L.l("'{0}' is not valid because can only contain decorator implementations",
cl.getName()));
/*
if (! comp.isAnnotationPresent(Decorator.class)) {
throw new ConfigException(L.l("'{0}' must have an @Decorator annotation because it is a decorator implementation",
cl.getName()));
}
*/
_decoratorList.add(cl);
}
}
public class DeployConfig {
public void setConfigLocation(String location)
{
}
public void addAnnotation(Annotation ann)
{
Class cl = ann.annotationType();
/*
if (! cl.isAnnotationPresent(DeploymentType.class))
throw new ConfigException(L.l("'{0}' must have a @DeploymentType annotation because because can only contain @DeploymentType annotations",
cl.getName()));
*/
_alternativesList.add(cl);
}
}
public class AlternativesConfig {
public void addClass(Class cl)
{
if (cl.isAnnotation() && ! cl.isAnnotationPresent(Stereotype.class)) {
// CDI TCK allows the stereotype in
throw new ConfigException(L.l("'{0}' is an invalid alternative because it is an annotation.",
cl.getName()));
}
if (! cl.isAnnotationPresent(Alternative.class))
throw new ConfigException(L.l("'{0}' is an invalid alternative because it does not have an @Alternative annotation.",
cl.getName()));
if (_alternativesList.contains(cl))
throw new ConfigException(L.l("'{0}' is an invalid alternative because it is listed twice.",
cl.getName()));
_alternativesList.add(cl);
}
public void addStereotype(Class cl)
{
if (! cl.isAnnotation())
throw new ConfigException(L.l("'{0}' is an invalid alternative because it is not an annotation.",
cl.getName()));
if (! cl.isAnnotationPresent(Alternative.class))
throw new ConfigException(L.l("'{0}' is an invalid alternative because it is missing an @Alternative.",
cl.getName()));
_alternativesList.add(cl);
}
}
}