org.xmlsh.aws.util.AWSUtil.java Source code

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Here is the source code for org.xmlsh.aws.util.AWSUtil.java

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/**
 * $Id: $
 * $Date: $
 *
 */

package org.xmlsh.aws.util;

import java.net.InetAddress;
import java.net.UnknownHostException;

import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.model.ObjectMetadata;

public class AWSUtil {

    public static String getChecksum(AmazonS3 s3, S3Path path) {
        try {

            ObjectMetadata exists = s3.getObjectMetadata(path.getBucket(), path.getKey());
            if (exists != null)
                return exists.getETag();

        } catch (Exception e) {

        }
        return null;
    }

    /*
     * Resolve a or x.x.x.x to IP address
     */
    public static String resolveDNS(String dns) throws UnknownHostException {
        InetAddress addr = InetAddress.getByName(dns);
        if (addr == null)
            return null;
        return addr.getHostAddress();

    }

    public static String parseBoolean(Boolean b) {
        if (b == null)
            return "";
        else
            return b.toString();

    }

}

//
//
//Copyright (C) 2008-2014 David A. Lee.
//
//The contents of this file are subject to the "Simplified BSD License" (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.opensource.org/licenses/bsd-license.php 
//
//Software distributed under the License is distributed on an "AS IS" basis,
//WITHOUT WARRANTY OF ANY KIND, either express or implied.
//See the License for the specific language governing rights and limitations under the License.
//
//The Original Code is: all this file.
//
//The Initial Developer of the Original Code is David A. Lee
//
//Portions created by (your name) are Copyright (C) (your legal entity). All Rights Reserved.
//
//Contributor(s): none.
//