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Spring Framework example source code file (BeanDefinitionReader.java)

This example Spring Framework source code file (BeanDefinitionReader.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

beandefinitionreader, beandefinitionregistry, beandefinitionregistry, beandefinitionstoreexception, beandefinitionstoreexception, beannamegenerator, beannamegenerator, classloader, resourceloader, resourceloader

The Spring Framework BeanDefinitionReader.java source code

/*
 * Copyright 2002-2007 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.beans.factory.support;

import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.core.io.Resource;
import org.springframework.core.io.ResourceLoader;

/**
 * Simple interface for bean definition readers.
 * Specifies load methods with Resource parameters.
 *
 * <p>Concrete bean definition readers can of course add additional
 * load and register methods for bean definitions, specific to
 * their bean definition format.
 *
 * <p>Note that a bean definition reader does not have to implement
 * this interface. It only serves as suggestion for bean definition
 * readers that want to follow standard naming conventions.
 *
 * @author Juergen Hoeller
 * @since 1.1
 * @see org.springframework.core.io.Resource
 */
public interface BeanDefinitionReader {

/**
	 * Return the bean factory to register the bean definitions with.
	 * <p>The factory is exposed through the BeanDefinitionRegistry interface,
	 * encapsulating the methods that are relevant for bean definition handling.
	 * @deprecated in favor of the uniformly named {@link #getRegistry()}
	 */
	BeanDefinitionRegistry getBeanFactory();

	/**
	 * Return the bean factory to register the bean definitions with.
	 * <p>The factory is exposed through the BeanDefinitionRegistry interface,
	 * encapsulating the methods that are relevant for bean definition handling.
	 */
	BeanDefinitionRegistry getRegistry();

		/**
	 * Return the resource loader to use for resource locations.
	 * Can be checked for the <b>ResourcePatternResolver interface and cast
	 * accordingly, for loading multiple resources for a given resource pattern.
	 * <p>Null suggests that absolute resource loading is not available
	 * for this bean definition reader.
	 * <p>This is mainly meant to be used for importing further resources
	 * from within a bean definition resource, for example via the "import"
	 * tag in XML bean definitions. It is recommended, however, to apply
	 * such imports relative to the defining resource; only explicit full
	 * resource locations will trigger absolute resource loading.
	 * <p>There is also a loadBeanDefinitions(String) method available,
	 * for loading bean definitions from a resource location (or location pattern).
	 * This is a convenience to avoid explicit ResourceLoader handling.
	 * @see #loadBeanDefinitions(String)
	 * @see org.springframework.core.io.support.ResourcePatternResolver
	 */
	ResourceLoader getResourceLoader();

	/**
	 * Return the class loader to use for bean classes.
	 * <p>null suggests to not load bean classes eagerly
	 * but rather to just register bean definitions with class names,
	 * with the corresponding Classes to be resolved later (or never).
	 */
	ClassLoader getBeanClassLoader();

	/**
	 * Return the BeanNameGenerator to use for anonymous beans
	 * (without explicit bean name specified).
	 */
	BeanNameGenerator getBeanNameGenerator();


	/**
	 * Load bean definitions from the specified resource.
	 * @param resource the resource descriptor
	 * @return the number of bean definitions found
	 * @throws BeanDefinitionStoreException in case of loading or parsing errors
	 */
	int loadBeanDefinitions(Resource resource) throws BeanDefinitionStoreException;

	/**
	 * Load bean definitions from the specified resources.
	 * @param resources the resource descriptors
	 * @return the number of bean definitions found
	 * @throws BeanDefinitionStoreException in case of loading or parsing errors
	 */
	int loadBeanDefinitions(Resource[] resources) throws BeanDefinitionStoreException;

	/**
	 * Load bean definitions from the specified resource location.
	 * <p>The location can also be a location pattern, provided that the
	 * ResourceLoader of this bean definition reader is a ResourcePatternResolver.
	 * @param location the resource location, to be loaded with the ResourceLoader
	 * (or ResourcePatternResolver) of this bean definition reader
	 * @return the number of bean definitions found
	 * @throws BeanDefinitionStoreException in case of loading or parsing errors
	 * @see #getResourceLoader()
	 * @see #loadBeanDefinitions(org.springframework.core.io.Resource)
	 * @see #loadBeanDefinitions(org.springframework.core.io.Resource[])
	 */
	int loadBeanDefinitions(String location) throws BeanDefinitionStoreException;

	/**
	 * Load bean definitions from the specified resource locations.
	 * @param locations the resource locations, to be loaded with the ResourceLoader
	 * (or ResourcePatternResolver) of this bean definition reader
	 * @return the number of bean definitions found
	 * @throws BeanDefinitionStoreException in case of loading or parsing errors
	 */
	int loadBeanDefinitions(String[] locations) throws BeanDefinitionStoreException;

}

Other Spring Framework examples (source code examples)

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