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虚拟文件系统(Virutal File System)框架

There is a newer version: 1.6.17

package com.alogic.s3;

import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.doc.XsObject;
import com.amazonaws.services.s3.AmazonS3;
import com.anysoft.util.BaseException;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.exception.ExceptionUtils;

/**
 * 定位到指定的bucket
 *
 * @since 1.6.16.6
 */
public class S3Bucket extends S3Client.Operation{
    protected String $name;
    protected boolean create = true;

    public S3Bucket(String tag, Logiclet p) {
        super(tag, p);
    }

    @Override
    public void configure(Properties props){
        super.configure(props);
        $name = PropertiesConstants.getRaw(props,"name",NULL);
        create = PropertiesConstants.getBoolean(props,"create",create,true);
    }
    @Override
    protected void onExecute(AmazonS3 client, XsObject root, XsObject current, LogicletContext ctx, ExecuteWatcher watcher) {
        boolean result = false;
        try {
            String name = PropertiesConstants.transform(ctx, $name, NULL);
            if (StringUtils.isEmpty(name)) {
                log("Bucket name is empty", "error");
                return;
            }

            try {
                boolean exist = client.doesBucketExistV2(name);
                if (exist) {
                    onSuperExecute(root, current, ctx, watcher);
                }else{
                    if (create){
                        client.createBucket(name);
                        onSuperExecute(root,current,ctx,watcher);
                    }
                }
            } catch (Exception ex) {
                log(ExceptionUtils.getStackTrace(ex), "error");
                throw new BaseException("core.e1003", ex.getMessage());
            }
        }finally {
            PropertiesConstants.setBoolean(ctx,id,result);
        }
    }
}