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Spring Framework example source code file (BeanDefinitionResource.java)

This example Spring Framework source code file (BeanDefinitionResource.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

abstractresource, beandefinition, beandefinition, beandefinitionresource, beandefinitionresource, filenotfoundexception, inputstream, io, ioexception, ioexception, resource, string, string

The Spring Framework BeanDefinitionResource.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.beans.factory.support;

import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.core.io.AbstractResource;
import org.springframework.util.Assert;

/**
 * Descriptive {@link org.springframework.core.io.Resource} wrapper for
 * a {@link org.springframework.beans.factory.config.BeanDefinition}.
 *
 * @author Juergen Hoeller
 * @since 2.5.2
 * @see org.springframework.core.io.DescriptiveResource
 */
class BeanDefinitionResource extends AbstractResource {

	private final BeanDefinition beanDefinition;


	/**
	 * Create a new BeanDefinitionResource.
	 * @param beanDefinition the BeanDefinition objectto wrap
	 */
	public BeanDefinitionResource(BeanDefinition beanDefinition) {
		Assert.notNull(beanDefinition, "BeanDefinition must not be null");
		this.beanDefinition = beanDefinition;
	}

	/**
	 * Return the wrapped BeanDefinition object.
	 */
	public final BeanDefinition getBeanDefinition() {
		return this.beanDefinition;
	}


	public boolean exists() {
		return false;
	}

	public boolean isReadable() {
		return false;
	}

	public InputStream getInputStream() throws IOException {
		throw new FileNotFoundException(
				"Resource cannot be opened because it points to " + getDescription());
	}

	public String getDescription() {
		return "BeanDefinition defined in " + this.beanDefinition.getResourceDescription();
	}


	/**
	 * This implementation compares the underlying BeanDefinition.
	 */
	public boolean equals(Object obj) {
		return (obj == this ||
		    (obj instanceof BeanDefinitionResource &&
						((BeanDefinitionResource) obj).beanDefinition.equals(this.beanDefinition)));
	}

	/**
	 * This implementation returns the hash code of the underlying BeanDefinition.
	 */
	public int hashCode() {
		return this.beanDefinition.hashCode();
	}

}

Other Spring Framework examples (source code examples)

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