/*
 * #%L
 * Protempa Commons Backend Provider
 * %%
 * Copyright (C) 2012 - 2013 Emory University
 * %%
 * 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.
 * #L%
 */
package org.protempa.backend.dsb.relationaldb.mappings;

import java.io.IOException;
import java.io.InputStreamReader;
import org.arp.javautil.io.IOUtil;

/**
 * Maps proposition IDs from the knowledge source to SQL. Looks for mapping
 * sources (typically files) in a specified resource location (typically a file
 * system directory).
 * 
 * @author Andrew Post
 */
public final class ResourceMappings extends DefaultMappings {
    
    /**
     * Initializes the mapper. Accepts the resource location where the mapping
     * resources can be found and the class whose loader to use.
     * 
     * @param resourcePrefix
     *            where the mapping resources are found (as a {@link String}).
     *            Typically a file system directory.
     * @param cls
     *            the {@link Class} whose resource loader to use
     */
    ResourceMappings(String resource, Class<?> cls) throws IOException {
        super(new CSVSupport().read(new InputStreamReader(IOUtil.getResourceAsStream(resource, cls))));
    }

}
