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* #%L
* Wisdom-Framework
* %%
* Copyright (C) 2013 - 2014 Wisdom Framework
* %%
* 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
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* #L%
*/
package org.wisdom.api.asset;
import java.util.Collection;
/**
* Assets defines a layer to manipulate and retrieve asset currently available in the system.
*/
public interface Assets {
/**
* Gets the path to retrieve the asset identified by its file name.
*
* @param path the path
* @return the path to retrieve the asset or {@literal null} if not found. If there are several matches,
* return the first one.
*/
Asset assetAt(String path);
/**
* @return the list of all assets currently available. This lookup is done on demand,
* ignoring cached value. So it can be very expensive.
*/
Collection> assets();
/**
* Retrieve the list of all asset currently available on the platform.
*
* @param useCache whether or not we can returned a cached version of the result. This cache may contain
* invalidated data or may not contain all available assets.
* @return the list of assets
*/
Collection> assets(boolean useCache);
}