org.alanwilliamson.amazon.AmazonBase.java Source code

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Here is the source code for org.alanwilliamson.amazon.AmazonBase.java

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/* 
 *  Copyright (C) 2000 - 2015 aw2.0Ltd
 *
 *  This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
 *  
 *  OpenBD is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  Free Software Foundation,version 3.
 *  
 *  OpenBD is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *  
 *  You should have received a copy of the GNU General Public License
 *  along with OpenBD.  If not, see http://www.gnu.org/licenses/
 *  
 *  Additional permission under GNU GPL version 3 section 7
 *  
 *  If you modify this Program, or any covered work, by linking or combining 
 *  it with any of the JARS listed in the README.txt (or a modified version of 
 *  (that library), containing parts covered by the terms of that JAR, the 
 *  licensors of this Program grant you additional permission to convey the 
 *  resulting work. 
 *  README.txt @ http://www.openbluedragon.org/license/README.txt
 *  
 *  http://openbd.org/
 *  $Id: AmazonBase.java 2476 2015-01-18 23:00:40Z alan $
 */
package org.alanwilliamson.amazon;

import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.elastictranscoder.AmazonElasticTranscoder;
import com.amazonaws.services.elastictranscoder.AmazonElasticTranscoderClient;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3Client;
import com.naryx.tagfusion.cfm.engine.cfArgStructData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.expression.function.functionBase;

/**
 * Base function for the Amazon functions
 * 
 * http://docs.aws.amazon.com/AWSJavaSDK/latest/javadoc/index.html
 *
 */
public class AmazonBase extends functionBase {
    private static final long serialVersionUID = 8638435137605963690L;

    /**
     * Returns back the necessary AmazonS3 class for communicating to the S3
     * 
     * @param _session
     * @param argStruct
     * @return
     * @throws cfmRunTimeException
     */
    public AmazonS3 getAmazonS3(AmazonKey amazonKey) throws cfmRunTimeException {
        BasicAWSCredentials awsCreds = new BasicAWSCredentials(amazonKey.getKey(), amazonKey.getSecret());
        AmazonS3 s3Client = new AmazonS3Client(awsCreds);
        s3Client.setRegion(amazonKey.getAmazonRegion().toAWSRegion());
        return s3Client;
    }

    /**
     * Returns back the necessary AmazonElasticTranscoder class for interacting with Elastic Transcoder
     * @param amazonKey
     * @return
     * @throws cfmRunTimeException
     */
    public AmazonElasticTranscoder getAmazonElasticTranscoder(AmazonKey amazonKey) throws cfmRunTimeException {
        BasicAWSCredentials awsCreds = new BasicAWSCredentials(amazonKey.getKey(), amazonKey.getSecret());
        AmazonElasticTranscoder et = new AmazonElasticTranscoderClient(awsCreds);
        et.setRegion(amazonKey.getAmazonRegion().toAWSRegion());
        return et;
    }

    public AmazonKey getAmazonKey(cfSession _session, cfArgStructData argStruct) throws cfmRunTimeException {
        String dsName = getDS(argStruct);

        AmazonKey amazonKey = AmazonKeyFactory.getDS(dsName);
        if (amazonKey == null)
            throwException(_session,
                    "Amazon Datasource [" + dsName + "] has not been registered; use AmazonRegisterDataSource()");

        amazonKey.setDataSource(dsName);

        return amazonKey;
    }

    /**
     * Returns the Amazon Datasource for this parameters
     * 
     * @param argStruct
     * @return
     * @throws cfmRunTimeException
     */
    public String getDS(cfArgStructData argStruct) throws cfmRunTimeException {
        return getNamedStringParam(argStruct, "datasource", "");
    }

}