com.bah.culvert.configuration.CConfiguration.java Source code

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Here is the source code for com.bah.culvert.configuration.CConfiguration.java

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/**
 * Copyright 2011 Booz Allen Hamilton.
 * 
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership. Booz Allen Hamilton
 * 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 com.bah.culvert.configuration;

import java.util.Map.Entry;

import org.apache.hadoop.conf.Configuration;

public class CConfiguration {

    public static Configuration addCulvertResources(Configuration conf) {
        conf.addResource("culvert-default.xml");
        conf.addResource("culvert-site.xml");
        return conf;
    }

    /**
     * Creates a Configuration with Culvert resources
     * 
     * @return a Configuration with Culvert resources
     */
    public static Configuration create() {
        Configuration conf = new Configuration(false);
        return addCulvertResources(conf);
    }

    /**
     * Creates a clone of passed configuration.
     * 
     * @param that Configuration to clone.
     * @return a Configuration created with the culvert-*.xml files plus the given
     *         configuration.
     */
    public static Configuration create(final Configuration that) {
        Configuration conf = create();
        for (Entry<String, String> e : that) {
            conf.set(e.getKey(), e.getValue());
        }
        return conf;
    }

    public static Configuration getDefault() {
        return create();
    }

}