ResourceModificationDateProvider.java

/*
 * #%L
 * wcm.io
 * %%
 * Copyright (C) 2014 wcm.io
 * %%
 * 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.
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package io.wcm.wcm.commons.caching;

import java.util.Date;

import org.apache.sling.api.resource.Resource;
import org.jetbrains.annotations.Nullable;
import org.osgi.annotation.versioning.ProviderType;

/**
 * {@link ModificationDateProvider} for a {@link Resource} object.
 */
@ProviderType
public final class ResourceModificationDateProvider implements ModificationDateProvider {

  private final Resource resource;

  /**
   * @param resource Resource
   */
  public ResourceModificationDateProvider(@Nullable Resource resource) {
    this.resource = resource;
  }

  @Override
  public @Nullable Date getModificationDate() {
    return ModificationDate.get(this.resource);
  }

}