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Spring Framework example source code file (StaticApplicationContext.java)

This example Spring Framework source code file (StaticApplicationContext.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

beansexception, beansexception, class, class, genericapplicationcontext, genericbeandefinition, genericbeandefinition, locale, mutablepropertyvalues, staticapplicationcontext, staticmessagesource, staticmessagesource, string, util

The Spring Framework StaticApplicationContext.java source code

/*
 * Copyright 2002-2008 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.
 */

package org.springframework.context.support;

import java.util.Locale;

import org.springframework.beans.BeansException;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.factory.support.GenericBeanDefinition;
import org.springframework.context.ApplicationContext;

/**
 * {@link org.springframework.context.ApplicationContext} implementation
 * which supports programmatic registration of beans and messages,
 * rather than reading bean definitions from external configuration sources.
 * Mainly useful for testing.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @see #registerSingleton
 * @see #registerPrototype
 * @see #registerBeanDefinition
 * @see #refresh
 */
public class StaticApplicationContext extends GenericApplicationContext {

	private final StaticMessageSource staticMessageSource;


	/**
	 * Create a new StaticApplicationContext.
	 * @see #registerSingleton
	 * @see #registerPrototype
	 * @see #registerBeanDefinition
	 * @see #refresh
	 */
	public StaticApplicationContext() throws BeansException {
		this(null);
	}

	/**
	 * Create a new StaticApplicationContext with the given parent.
	 * @see #registerSingleton
	 * @see #registerPrototype
	 * @see #registerBeanDefinition
	 * @see #refresh
	 */
	public StaticApplicationContext(ApplicationContext parent) throws BeansException {
		super(parent);

		// Initialize and register a StaticMessageSource.
		this.staticMessageSource = new StaticMessageSource();
		getBeanFactory().registerSingleton(MESSAGE_SOURCE_BEAN_NAME, this.staticMessageSource);
	}


	/**
	 * Return the internal StaticMessageSource used by this context.
	 * Can be used to register messages on it.
	 * @see #addMessage
	 */
	public final StaticMessageSource getStaticMessageSource() {
		return this.staticMessageSource;
	}


	/**
	 * Register a singleton bean with the underlying bean factory.
	 * <p>For more advanced needs, register with the underlying BeanFactory directly.
	 * @see #getDefaultListableBeanFactory
	 */
	public void registerSingleton(String name, Class clazz) throws BeansException {
		GenericBeanDefinition bd = new GenericBeanDefinition();
		bd.setBeanClass(clazz);
		getDefaultListableBeanFactory().registerBeanDefinition(name, bd);
	}

	/**
	 * Register a singleton bean with the underlying bean factory.
	 * <p>For more advanced needs, register with the underlying BeanFactory directly.
	 * @see #getDefaultListableBeanFactory
	 */
	public void registerSingleton(String name, Class clazz, MutablePropertyValues pvs) throws BeansException {
		GenericBeanDefinition bd = new GenericBeanDefinition();
		bd.setBeanClass(clazz);
		bd.setPropertyValues(pvs);
		getDefaultListableBeanFactory().registerBeanDefinition(name, bd);
	}

	/**
	 * Register a prototype bean with the underlying bean factory.
	 * <p>For more advanced needs, register with the underlying BeanFactory directly.
	 * @see #getDefaultListableBeanFactory
	 */
	public void registerPrototype(String name, Class clazz) throws BeansException {
		GenericBeanDefinition bd = new GenericBeanDefinition();
		bd.setScope(GenericBeanDefinition.SCOPE_PROTOTYPE);
		bd.setBeanClass(clazz);
		getDefaultListableBeanFactory().registerBeanDefinition(name, bd);
	}

	/**
	 * Register a prototype bean with the underlying bean factory.
	 * <p>For more advanced needs, register with the underlying BeanFactory directly.
	 * @see #getDefaultListableBeanFactory
	 */
	public void registerPrototype(String name, Class clazz, MutablePropertyValues pvs) throws BeansException {
		GenericBeanDefinition bd = new GenericBeanDefinition();
		bd.setScope(GenericBeanDefinition.SCOPE_PROTOTYPE);
		bd.setBeanClass(clazz);
		bd.setPropertyValues(pvs);
		getDefaultListableBeanFactory().registerBeanDefinition(name, bd);
	}

	/**
	 * Associate the given message with the given code.
	 * @param code lookup code
	 * @param locale locale message should be found within
	 * @param defaultMessage message associated with this lookup code
	 * @see #getStaticMessageSource
	 */
	public void addMessage(String code, Locale locale, String defaultMessage) {
		getStaticMessageSource().addMessage(code, locale, defaultMessage);
	}

}

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