org.alanwilliamson.amazon.s3.GetInfo.java Source code

Introduction

Here is the source code for org.alanwilliamson.amazon.s3.GetInfo.java

Source

/*
 *  Copyright (C) 2000 - 2015 TagServlet Ltd
 *
 *  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: GetInfo.java 2529 2015-03-01 23:39:29Z alan $
 */

package org.alanwilliamson.amazon.s3;

import java.util.Iterator;
import java.util.Map;

import org.alanwilliamson.amazon.AmazonBase;
import org.alanwilliamson.amazon.AmazonKey;

import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.model.GetObjectMetadataRequest;
import com.amazonaws.services.s3.model.ObjectMetadata;
import com.naryx.tagfusion.cfm.engine.cfArgStructData;
import com.naryx.tagfusion.cfm.engine.cfBooleanData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfStringData;
import com.naryx.tagfusion.cfm.engine.cfStructData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.cfm.tag.tagUtils;

public class GetInfo extends AmazonBase {
    private static final long serialVersionUID = 1L;

    public GetInfo() {
        min = 3;
        max = 3;
        setNamedParams(new String[] { "datasource", "bucket", "key" });
    }

    @Override
    public String[] getParamInfo() {
        return new String[] { "Amazon datasource", "Amazon bucket", "Full key" };
    }

    @Override
    public java.util.Map<String, String> getInfo() {
        return makeInfo("amazon",
                "Amazon S3: Returns back a structure detailing all the headers from a given remote object",
                ReturnType.STRUCTURE);
    }

    @Override
    public cfData execute(cfSession _session, cfArgStructData argStruct) throws cfmRunTimeException {

        AmazonKey amazonKey = getAmazonKey(_session, argStruct);
        AmazonS3 s3Client = getAmazonS3(amazonKey);

        String bucket = getNamedStringParam(argStruct, "bucket", null);
        if (bucket == null)
            throwException(_session, "Please specify a bucket");

        String key = getNamedStringParam(argStruct, "key", null);
        if (key == null)
            throwException(_session, "Please specify a key");

        if (key.charAt(0) == '/')
            key = key.substring(1);

        try {
            GetObjectMetadataRequest g = new GetObjectMetadataRequest(bucket, key);

            ObjectMetadata metadata = s3Client.getObjectMetadata(g);

            cfStructData s = new cfStructData();

            s.setData("bucket", new cfStringData(bucket));
            s.setData("key", new cfStringData(key));
            s.setData("host", new cfStringData(amazonKey.getAmazonRegion().toAWSRegion().getDomain()));

            Map m = metadata.getRawMetadata();
            Iterator<String> it = m.keySet().iterator();
            while (it.hasNext()) {
                String k = it.next();
                s.setData(k, tagUtils.convertToCfData(m.get(k)));
            }

            return s;
        } catch (Exception e) {
            throwException(_session, "AmazonS3: " + e.getMessage());
            return cfBooleanData.FALSE;
        }
    }

}