src/org/apache/pig/builtin/FuncUtils.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.apache.pig.builtin;

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;

import org.apache.pig.impl.util.JarManager;

public class FuncUtils {
    /**
     * Utility function to get a list of containing jars via classes
     * @param classesIdentifyingJars classes used to identify containing jars
     * @return list of containing jars
     */
    public static List<String> getShipFiles(Class[] classesIdentifyingJars) {
        return getShipFiles(Arrays.asList(classesIdentifyingJars));
    }

    public static List<String> getShipFiles(List<Class> classesIdentifyingJars) {
        List<String> cacheFiles = new ArrayList<String>();

        for (Class clz : classesIdentifyingJars) {
            String jar = JarManager.findContainingJar(clz);
            cacheFiles.add(jar);
        }
        return cacheFiles;
    }
}