com.aspectran.core.context.DefaultActivityContext Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2023 The Aspectran Project
*
* 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 com.aspectran.core.context;
import com.aspectran.core.activity.Activity;
import com.aspectran.core.activity.DefaultActivity;
import com.aspectran.core.adapter.ApplicationAdapter;
import com.aspectran.core.component.AbstractComponent;
import com.aspectran.core.component.aspect.AspectRuleRegistry;
import com.aspectran.core.component.bean.BeanRegistry;
import com.aspectran.core.component.bean.DefaultBeanRegistry;
import com.aspectran.core.component.schedule.ScheduleRuleRegistry;
import com.aspectran.core.component.template.DefaultTemplateRenderer;
import com.aspectran.core.component.template.TemplateRenderer;
import com.aspectran.core.component.translet.TransletRuleRegistry;
import com.aspectran.core.context.env.ActivityEnvironment;
import com.aspectran.core.context.env.Environment;
import com.aspectran.core.context.rule.DescriptionRule;
import com.aspectran.core.service.CoreService;
import com.aspectran.core.support.i18n.message.DelegatingMessageSource;
import com.aspectran.core.support.i18n.message.MessageSource;
import com.aspectran.core.util.Assert;
import com.aspectran.core.util.logging.Logger;
import com.aspectran.core.util.logging.LoggerFactory;
/**
* The Class DefaultActivityContext.
*
* Created: 2008. 06. 09 PM 2:12:40
*/
public class DefaultActivityContext extends AbstractComponent implements ActivityContext {
private static final Logger logger = LoggerFactory.getLogger(DefaultActivityContext.class);
private final ThreadLocal currentActivityHolder = new ThreadLocal<>();
private final ApplicationAdapter applicationAdapter;
private final Activity defaultActivity;
private DescriptionRule descriptionRule;
private CoreService rootService;
private ActivityEnvironment activityEnvironment;
private AspectRuleRegistry aspectRuleRegistry;
private DefaultBeanRegistry defaultBeanRegistry;
private DefaultTemplateRenderer defaultTemplateRenderer;
private ScheduleRuleRegistry scheduleRuleRegistry;
private TransletRuleRegistry transletRuleRegistry;
private MessageSource messageSource;
/**
* Instantiates a new DefaultActivityContext.
* @param applicationAdapter the application adapter
*/
public DefaultActivityContext(ApplicationAdapter applicationAdapter) {
this.applicationAdapter = applicationAdapter;
this.defaultActivity = new DefaultActivity(this);
}
public DescriptionRule getDescriptionRule() {
return descriptionRule;
}
public void setDescriptionRule(DescriptionRule descriptionRule) {
this.descriptionRule = descriptionRule;
}
@Override
public String getDescription() {
if (descriptionRule == null) {
return null;
}
return DescriptionRule.render(descriptionRule, defaultActivity);
}
@Override
public CoreService getRootService() {
return rootService;
}
@Override
public void setRootService(CoreService rootService) {
Assert.state(!isInitialized(), "ActivityContext is already initialized");
this.rootService = rootService;
}
@Override
public ApplicationAdapter getApplicationAdapter() {
return applicationAdapter;
}
@Override
public Environment getEnvironment() {
return activityEnvironment;
}
public void setActivityEnvironment(ActivityEnvironment activityEnvironment) {
this.activityEnvironment = activityEnvironment;
}
@Override
public AspectRuleRegistry getAspectRuleRegistry() {
return aspectRuleRegistry;
}
public void setAspectRuleRegistry(AspectRuleRegistry aspectRuleRegistry) {
this.aspectRuleRegistry = aspectRuleRegistry;
}
@Override
public BeanRegistry getBeanRegistry() {
return defaultBeanRegistry;
}
/**
* Sets the default bean registry.
* @param defaultBeanRegistry the new default bean registry
*/
public void setDefaultBeanRegistry(DefaultBeanRegistry defaultBeanRegistry) {
this.defaultBeanRegistry = defaultBeanRegistry;
}
@Override
public TemplateRenderer getTemplateRenderer() {
return defaultTemplateRenderer;
}
/**
* Sets the template processor.
* @param defaultTemplateRenderer the new template processor
*/
public void setDefaultTemplateRenderer(DefaultTemplateRenderer defaultTemplateRenderer) {
this.defaultTemplateRenderer = defaultTemplateRenderer;
}
@Override
public ScheduleRuleRegistry getScheduleRuleRegistry() {
return scheduleRuleRegistry;
}
public void setScheduleRuleRegistry(ScheduleRuleRegistry scheduleRuleRegistry) {
this.scheduleRuleRegistry = scheduleRuleRegistry;
}
@Override
public TransletRuleRegistry getTransletRuleRegistry() {
return transletRuleRegistry;
}
/**
* Sets the translet rule registry.
* @param transletRuleRegistry the new translet rule registry
*/
public void setTransletRuleRegistry(TransletRuleRegistry transletRuleRegistry) {
this.transletRuleRegistry = transletRuleRegistry;
}
@Override
public MessageSource getMessageSource() {
if (this.messageSource == null) {
throw new IllegalStateException("No MessageSource configured");
}
return messageSource;
}
@Override
public Activity getDefaultActivity() {
return defaultActivity;
}
@Override
public Activity getAvailableActivity() {
Activity activity = currentActivityHolder.get();
return (activity != null ? activity : getDefaultActivity());
}
@Override
public Activity getCurrentActivity() {
Activity activity = currentActivityHolder.get();
if (activity == null) {
throw new InactivityStateException();
}
return activity;
}
@Override
public void setCurrentActivity(Activity activity) {
currentActivityHolder.set(activity);
}
@Override
public void removeCurrentActivity() {
currentActivityHolder.remove();
}
@Override
public boolean hasCurrentActivity() {
return (currentActivityHolder.get() != null);
}
/**
* Initialize the MessageSource.
* Use parent's if none defined in this context.
*/
private void initMessageSource() {
if (defaultBeanRegistry.containsBean(MessageSource.class, MESSAGE_SOURCE_BEAN_ID)) {
messageSource = defaultBeanRegistry.getBean(MessageSource.class, MESSAGE_SOURCE_BEAN_ID);
if (logger.isDebugEnabled()) {
logger.debug("Using MessageSource [" + messageSource + "]");
}
}
if (messageSource == null) {
// Use empty MessageSource to be able to accept getMessage calls.
messageSource = new DelegatingMessageSource();
if (logger.isDebugEnabled()) {
logger.debug("Unable to locate MessageSource with name '" + MESSAGE_SOURCE_BEAN_ID +
"': using default [" + messageSource + "]");
}
}
}
@Override
protected void doInitialize() throws Exception {
if (aspectRuleRegistry != null) {
aspectRuleRegistry.initialize();
}
if (defaultBeanRegistry != null) {
defaultBeanRegistry.initialize();
}
if (defaultTemplateRenderer != null) {
defaultTemplateRenderer.initialize();
}
if (scheduleRuleRegistry != null) {
scheduleRuleRegistry.initialize();
}
if (transletRuleRegistry != null) {
transletRuleRegistry.initialize();
}
if (defaultBeanRegistry != null) {
initMessageSource();
}
}
@Override
protected void doDestroy() {
if (transletRuleRegistry != null) {
transletRuleRegistry.destroy();
transletRuleRegistry = null;
}
if (scheduleRuleRegistry != null) {
scheduleRuleRegistry.destroy();
scheduleRuleRegistry = null;
}
if (defaultTemplateRenderer != null) {
defaultTemplateRenderer.destroy();
defaultTemplateRenderer = null;
}
if (defaultBeanRegistry != null) {
defaultBeanRegistry.destroy();
defaultBeanRegistry = null;
}
if (aspectRuleRegistry != null) {
aspectRuleRegistry.destroy();
aspectRuleRegistry = null;
}
}
}