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Camel HDFS support with Hadoop 2.x libraries

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/**
 * 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.camel.component.hdfs2;

import java.io.IOException;
import javax.security.auth.login.Configuration;

public final class HdfsInfoFactory {

    private HdfsInfoFactory() {
    }

    public static HdfsInfo newHdfsInfo(String hdfsPath) throws IOException {
        // need to remember auth as Hadoop will override that, which otherwise means the Auth is broken afterwards
        Configuration auth = HdfsComponent.getJAASConfiguration();
        try {
            return new HdfsInfo(hdfsPath);
        } finally {
            HdfsComponent.setJAASConfiguration(auth);
        }
    }

}