com.khs.sherpa.spring.SpringApplicationContext.java Source code

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Here is the source code for com.khs.sherpa.spring.SpringApplicationContext.java

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package com.khs.sherpa.spring;

/*
 * Copyright 2012 the original author or authors.
 *
 * 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.
 */

import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.Map;

import javax.servlet.ServletContext;

import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.khs.sherpa.context.ApplicationContext;
import com.khs.sherpa.context.factory.ManagedBeanFactory;
import com.khs.sherpa.exception.NoSuchManagedBeanExcpetion;

public class SpringApplicationContext implements ApplicationContext {

    public static final String SHERPA_APPLICATION_CONTEXT_ATTRIBUTE = SpringApplicationContext.class.getName()
            + ".CONTEXT";

    private ManagedBeanFactory managedBeanFactory;

    private Map<String, Object> attributes = new LinkedHashMap<String, Object>();

    public SpringApplicationContext(ServletContext servletContext) {
        org.springframework.context.ApplicationContext context = WebApplicationContextUtils
                .getRequiredWebApplicationContext(servletContext);

        if (!context.containsBean("managedBeanFactory")) {
            BeanDefinitionRegistry registry = ((BeanDefinitionRegistry) context.getAutowireCapableBeanFactory());
            GenericBeanDefinition beanDefinition = new GenericBeanDefinition();
            beanDefinition.setBeanClass(SpringManagedBeanFactory.class);
            registry.registerBeanDefinition("managedBeanFactory", beanDefinition);
        }

        managedBeanFactory = context.getBean(ManagedBeanFactory.class);
        {
            BeanDefinitionRegistry registry = ((BeanDefinitionRegistry) context.getAutowireCapableBeanFactory());
            GenericBeanDefinition beanDefinition = new GenericBeanDefinition();
            beanDefinition.setBeanClass(SpringRequestEvent.class);
            registry.registerBeanDefinition(SpringRequestEvent.class.getCanonicalName(), beanDefinition);
        }
    }

    public boolean containsManagedBean(Class<?> type) {
        return managedBeanFactory.containsManagedBean(type);
    }

    public boolean containsManagedBean(String name) {
        return managedBeanFactory.containsManagedBean(name);
    }

    public <T> T getManagedBean(Class<T> type) throws NoSuchManagedBeanExcpetion {
        return managedBeanFactory.getManagedBean(type);
    }

    public Object getManagedBean(String name) throws NoSuchManagedBeanExcpetion {
        return managedBeanFactory.getManagedBean(name);
    }

    public <T> T getManagedBean(String name, Class<T> type) throws NoSuchManagedBeanExcpetion {
        return managedBeanFactory.getManagedBean(name, type);
    }

    public boolean isTypeMatch(String name, Class<?> type) throws NoSuchManagedBeanExcpetion {
        return managedBeanFactory.isTypeMatch(name, type);
    }

    public Class<?> getType(String name) throws NoSuchManagedBeanExcpetion {
        return managedBeanFactory.getType(name);
    }

    public void setAttribute(String key, Object value) {
        attributes.put(key, value);
    }

    public Object getAttribute(String key) {
        return attributes.get(key);
    }

    public ManagedBeanFactory getManagedBeanFactory() {
        return managedBeanFactory;
    }

    public static ApplicationContext getApplicationContext(ServletContext context) {
        return (ApplicationContext) context.getAttribute(SHERPA_APPLICATION_CONTEXT_ATTRIBUTE);
    }

    public Map<String, Object> getEndpointTypes() {
        return managedBeanFactory.getEndpointTypes();
    }

    public <T> Collection<T> getManagedBeans(Class<T> type) {
        return managedBeanFactory.getManagedBeans(type);
    }
}