SimpleDBUtils.java

package hackathon.boxme.utils;
	
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Properties;
import java.util.List;

import com.xerox.amazonws.sdb.Item;
import com.xerox.amazonws.sdb.ItemAttribute;
import com.xerox.amazonws.sdb.Domain;
import com.xerox.amazonws.sdb.SDBException;
import com.xerox.amazonws.sdb.SDBResult;
import com.xerox.amazonws.sdb.SimpleDB;

public class SimpleDBUtils {
   //private static String AWS_PROPERTIES = "awscred.credentials";
 //  private static String AWS_ACCESSID = "accessKey";
  // private static String AWS_SECRETKEY = "secretKey";
   private static String domain_name = "summerofhack";
   private static SimpleDB simpleDB;

	 
	   static {
/*
	        //    get the accessid and secretkey strings from the properties file
	           Properties props = new Properties();
	           try {
				props.load(SimpleDBUtils.class.getClassLoader().getResourceAsStream(AWS_PROPERTIES));
			} catch (IOException e) {
				// TODO Auto-generated catch block
				e.printStackTrace();
			}
	           String awsAccessId = props.getProperty(AWS_ACCESSID);
	           String awsSecretKey = props.getProperty(AWS_SECRETKEY);
	           */
			String awsAccessId = "AKIAIBZWUXL2WLB6ANUA";
			String awsSecretKey = "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";

	           if ((awsAccessId == null || awsAccessId.trim().length() == 0) ||
	               (awsSecretKey == null || awsSecretKey.trim().length() == 0))
	           {
	               System.out.println("Either access key or Secret key not found or not set");
	               System.exit((int) 1);
	           }

	          simpleDB = new SimpleDB(awsAccessId, awsSecretKey, true);
		}
	   
	   


	   public static void insert(String item, String name, String value) {
		   List<ItemAttribute> attributes = new ArrayList<ItemAttribute>();
		   attributes.add(new ItemAttribute(name, value, true));
		   try{
		   	  Domain dom = simpleDB.getDomain(domain_name);
	          Item i = dom.getItem(item);
	          SDBResult result = i.putAttributes(attributes);
	          System.out.println("Item Identifier: " + i.getIdentifier());
	          System.out.println("     Request ID: " + result.getRequestId());
	          System.out.println("      Box Usage: " + result.getBoxUsage());

	      } catch (SDBException ex) {
	          System.err.println("message : " + ex.getMessage());
	          System.err.println("requestID : " + ex.getRequestId());
	      } catch (Exception e) {
	              System.err.println("Error occured: " + e.getMessage());
	              e.printStackTrace();
	      }
	   }

	   public static HashMap<String,String> getAttributes(String item) {
		   List<ItemAttribute> attrs = new ArrayList<ItemAttribute>();
		   HashMap<String,String> hashmap = new HashMap<String,String>();
		   try{
		   	  Domain dom = simpleDB.getDomain(domain_name);
	          Item i = dom.getItem(item);
	          
	          attrs = i.getAttributes();
	          for (ItemAttribute attr : attrs) {
	        	  hashmap.put(attr.getName(), attr.getValue());
	          }

	      } catch (SDBException ex) {
	          System.err.println("message : " + ex.getMessage());
	          System.err.println("requestID : " + ex.getRequestId());
	      } catch (Exception e) {
	              System.err.println("Error occured: " + e.getMessage());
	              e.printStackTrace();
	      }
	      return hashmap;
	   }
	   
	   public static List<String> getAttributeList(String item) {
		   List<ItemAttribute> attrs = new ArrayList<ItemAttribute>();
		   List<String> result = new ArrayList<String>();
		   try{
		   	  Domain dom = simpleDB.getDomain(domain_name);
	          Item i = dom.getItem(item);
	          
	          attrs = i.getAttributes();
	          for (ItemAttribute attr : attrs) {
	              result.add(attr.getName());
	          }

	      } catch (SDBException ex) {
	          System.err.println("message : " + ex.getMessage());
	          System.err.println("requestID : " + ex.getRequestId());
	      } catch (Exception e) {
	              System.err.println("Error occured: " + e.getMessage());
	              e.printStackTrace();
	      }
	      return result;
	   }
	   
	   public static String getAttribute(String item, String attribute) {
		   String result = "";
		   try{
		   	  Domain dom = simpleDB.getDomain(domain_name);
	          Item i = dom.getItem(item);
	          
	          List<ItemAttribute> attrs = i.getAttributes();
	          for (ItemAttribute attr : attrs) {
	        	  if(attr.getName().equals(attribute)){
	        		  return attr.getValue();
	        	  }
	          }
	          throw new Exception();

	      } catch (SDBException ex) {
	          System.err.println("message : " + ex.getMessage());
	          System.err.println("requestID : " + ex.getRequestId());
	      } catch (Exception e) {
	              System.err.println("Error occured: " + e.getMessage());
	              e.printStackTrace();
	      }
		return result;
	   }
	   
	   
	   /*
	   
	   
	public static void main(String[] args){		   
	     try {
	    	 
	    	 ItemAttribute e = new ItemAttribute("check", "works", true);
	    	 ItemAttribute e1 = new ItemAttribute("check1", "works1", true);
	    	 String fbid = "12345";
	    	 ArrayList<ItemAttribute> attributeinput = new ArrayList<ItemAttribute>();
	    	 attributeinput.add(e);
	    	 attributeinput.add(e1);
	    	 SimpleDBUtils.insert(fbid, "test1", "test2");
	    	 System.out.println("added");

	    	 System.out.println(SimpleDBUtils.getAttribute(fbid, "check"));
	    	 
	          

	       List<ItemAttribute> attributes = SimpleDBUtils.getAttributes(fbid);
	       for (ItemAttribute attr : attributes) {
	        	  System.out.println(attr.getName());
	       }

	       

	      } catch (Exception e) {
	              System.err.println("Error occured: " + e.getMessage());
	              e.printStackTrace();
	      }
	   }
	   */
	   
}