org.springmodules.cache.provider.ehcache.EhCacheModelValidator.java Source code

Introduction

Here is the source code for org.springmodules.cache.provider.ehcache.EhCacheModelValidator.java

Source

/*
 * Created on Jan 14, 2005
 *
 * 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.
 *
 * Copyright @2005 the original author or authors.
 */

package org.springmodules.cache.provider.ehcache;

import org.springframework.util.ObjectUtils;
import org.springframework.util.StringUtils;
import org.springmodules.cache.provider.AbstractCacheModelValidator;
import org.springmodules.cache.provider.InvalidCacheModelException;

/**
 * <p/>
 * Validates the property values of <code>{@link EhCacheCachingModel}</code>s
 * and <code>{@link EhCacheFlushingModel}</code>s.
 * </p>
 *
 * @author Alex Ruiz
 */
public final class EhCacheModelValidator extends AbstractCacheModelValidator {

    /**
     * @see AbstractCacheModelValidator#getCachingModelTargetClass()
     */
    protected Class getCachingModelTargetClass() {
        return EhCacheCachingModel.class;
    }

    /**
     * @see AbstractCacheModelValidator#getFlushingModelTargetClass()
     */
    protected Class getFlushingModelTargetClass() {
        return EhCacheFlushingModel.class;
    }

    /**
     * @throws InvalidCacheModelException if the given model does not specify a cache.
     * @see AbstractCacheModelValidator#validateCachingModelProperties(Object)
     */
    protected void validateCachingModelProperties(Object cachingModel) throws InvalidCacheModelException {
        EhCacheCachingModel model = (EhCacheCachingModel) cachingModel;
        if (!StringUtils.hasText(model.getCacheName())) {
            throw new InvalidCacheModelException("Cache name should not be empty");
        }
    }

    /**
     * @throws InvalidCacheModelException if the given model does not specify at least one cache.
     * @see AbstractCacheModelValidator#validateFlushingModelProperties(Object)
     */
    protected void validateFlushingModelProperties(Object flushingModel) throws InvalidCacheModelException {
        EhCacheFlushingModel model = (EhCacheFlushingModel) flushingModel;
        String[] cacheNames = model.getCacheNames();

        if (ObjectUtils.isEmpty(cacheNames)) {
            throw new InvalidCacheModelException("There should be at least one cache name");
        }
    }
}