Spring Framework example source code file (NullSourceExtractor.java)

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Java - Spring Framework tags/keywords

nullsourceextractor, nullsourceextractor, object, object, resource, resource, sourceextractor, sourceextractor

The Spring Framework NullSourceExtractor.java source code

/*
 * Copyright 2002-2006 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.parsing;

import org.springframework.core.io.Resource;

/**
 * Simple implementation of {@link SourceExtractor} that returns <code>null
 * as the source metadata.
 *
 * <p>This is the default implementation and prevents too much metadata from being
 * held in memory during normal (non-tooled) runtime usage.
 *
 * @author Rob Harrop
 * @since 2.0
 */
public class NullSourceExtractor implements SourceExtractor {

	/**
	 * This implementation simply returns <code>null for any input.
	 */
	public Object extractSource(Object sourceCandidate, Resource definitionResource) {
		return null;
	}

}