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This jar bundles all the bits of Weld and CDI required for running in a Servlet container.
/*
* JBoss, Home of Professional Open Source
* Copyright 2015, Red Hat, Inc., and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.jboss.weld.probe;
import static org.jboss.weld.probe.Strings.BDA_ID;
import static org.jboss.weld.probe.Strings.ERROR;
import static org.jboss.weld.probe.Strings.QUALIFIERS;
import static org.jboss.weld.probe.Strings.REMOVED_EVENTS;
import static org.jboss.weld.probe.Strings.REMOVED_INVOCATIONS;
import static org.jboss.weld.probe.Strings.REQUIRED_TYPE;
import static org.jboss.weld.probe.Strings.RESOLVE;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javax.enterprise.inject.Vetoed;
import javax.enterprise.inject.spi.Bean;
import javax.enterprise.inject.spi.ObserverMethod;
import org.jboss.weld.manager.BeanManagerImpl;
import org.jboss.weld.probe.Queries.BeanFilters;
import org.jboss.weld.probe.Queries.EventsFilters;
import org.jboss.weld.probe.Queries.InvocationsFilters;
import org.jboss.weld.probe.Queries.ObserverFilters;
import org.jboss.weld.probe.Resource.Representation;
import org.jboss.weld.resolution.QualifierInstance;
import org.jboss.weld.resolution.Resolvable;
import org.jboss.weld.resolution.ResolvableBuilder;
import org.jboss.weld.resources.spi.ResourceLoader;
/**
*
* @author Martin Kouba
*/
@Vetoed
public class DefaultJsonDataProvider implements JsonDataProvider {
private final Probe probe;
private final BeanManagerImpl beanManager;
DefaultJsonDataProvider(Probe probe, BeanManagerImpl beanManager) {
this.probe = probe;
this.beanManager = beanManager;
}
@Override
public String receiveDeployment() {
return JsonObjects.createDeploymentJson(beanManager, probe);
}
@Override
public String receiveBeans(int pageIndex, int pageSize, String filters, String representation) {
return JsonObjects.createBeansJson(Queries.find(probe.getBeans(), pageIndex, pageSize, Queries.initFilters(filters, new BeanFilters(probe))), probe,
beanManager, Representation.from(representation));
}
@Override
public String receiveBean(String id, boolean transientDependencies, boolean transientDependents) {
Bean bean = probe.getBean(id);
return (bean != null) ? JsonObjects.createFullBeanJson(bean, transientDependencies, transientDependents, beanManager, probe).build() : null;
}
@Override
public String receiveBeanInstance(String id) {
Bean bean = probe.getBean(id);
if (bean != null && Components.isInspectableScope(bean.getScope())) {
Object instance = Components.findContextualInstance(bean, beanManager);
if (instance != null) {
return JsonObjects.createContextualInstanceJson(bean, instance, probe);
}
}
return null;
}
@Override
public String receiveObservers(int pageIndex, int pageSize, String filters, String representation) {
return JsonObjects.createObserversJson(
Queries.find(probe.getObservers(), pageIndex, pageSize, Queries.initFilters(filters, new ObserverFilters(probe))), probe,
Representation.from(representation));
}
@Override
public String receiveObserver(String id) {
ObserverMethod observer = probe.getObserver(id);
if (observer != null) {
return JsonObjects.createFullObserverJson(observer, probe).build();
}
return null;
}
@Override
public String receiveContexts() {
return JsonObjects.createContextsJson(beanManager, probe).build();
}
@Override
public String receiveContext(String id) {
final Class scope = Components.INSPECTABLE_SCOPES.get(id);
if (scope != null) {
return JsonObjects.createContextJson(id, scope, beanManager, probe, null).build();
}
return null;
}
@Override
public String receiveInvocations(int pageIndex, int pageSize, String filters, String representation) {
return JsonObjects.createInvocationsJson(
Queries.find(probe.getInvocations(), pageIndex, pageSize, Queries.initFilters(filters, new InvocationsFilters(probe))), probe,
Representation.from(representation));
}
@Override
public String clearInvocations() {
return Json.objectBuilder().add(REMOVED_INVOCATIONS, probe.clearInvocations()).build();
}
@Override
public String receiveInvocation(String id) {
Invocation entryPoint = probe.getInvocation(id);
if (entryPoint != null) {
return JsonObjects.createFullInvocationJson(entryPoint, probe).build();
}
return null;
}
@Override
public String receiveEvents(int pageIndex, int pageSize, String filters) {
return JsonObjects.createEventsJson(Queries.find(probe.getEvents(), pageIndex, pageSize, Queries.initFilters(filters, new EventsFilters(probe))),
probe);
}
@Override
public String clearEvents() {
return Json.objectBuilder().add(REMOVED_EVENTS, probe.clearEvents()).build();
}
@Override
public String receiveMonitoringStats() {
return JsonObjects.createMonitoringStatsJson(probe).build();
}
@Override
public String receiveAvailableBeans(int pageIndex, int pageSize, String filters, String representation) {
Map filterValues = Queries.Filters.parseFilters(filters);
// First validate input
if (!filterValues.containsKey(BDA_ID)) {
return getError("Bean deployment archive id (bdaId) must be specified: " + filters);
}
// Find the bean deployment archive
BeanManagerImpl beanManager = probe.getBeanManager(filterValues.get(BDA_ID));
if (beanManager == null) {
return getError("Unable to find the bean deployment archive for: " + filterValues.get(BDA_ID));
}
Set> beans = null;
// Parse required type
Type requiredType;
if (filterValues.get(REQUIRED_TYPE) != null) {
requiredType = Parsers.parseType(filterValues.get(REQUIRED_TYPE), beanManager.getServices().get(ResourceLoader.class));
} else {
requiredType = Object.class;
}
if (requiredType == null) {
return getError("Invalid required type: parsing error or the type is not accessible from the specified bean archive!");
}
ResolvableBuilder resolvableBuilder = new ResolvableBuilder(requiredType, beanManager);
// Parse qualifiers
List qualifierInstances;
if (filterValues.get(QUALIFIERS) != null) {
qualifierInstances = Parsers.parseQualifiers(filterValues.get(QUALIFIERS), beanManager.getServices().get(ResourceLoader.class), beanManager);
} else {
qualifierInstances = Collections.singletonList(QualifierInstance.DEFAULT);
}
for (QualifierInstance qualifierInstance : qualifierInstances) {
if (qualifierInstance == null) {
return getError("Invalid qualifiers: parsing error or one of the qualifier types is not accessible from the specified bean archive!");
}
resolvableBuilder.addQualifierUnchecked(qualifierInstance);
}
Resolvable resolvable = resolvableBuilder.create();
// Lookup beans
beans = beanManager.getBeanResolver().resolve(resolvable, false);
if (Boolean.valueOf(filterValues.get(RESOLVE))) {
// Apply resolution rules
beans = beanManager.getBeanResolver().resolve(beans);
}
return JsonObjects.createBeansJson(Queries.find(probe.getOrderedBeans(beans), pageIndex, pageSize, null), probe, beanManager,
Representation.from(representation));
}
private String getError(String description) {
return Json.objectBuilder().add(ERROR, description).build();
}
}