Android Open Source - androidSDK Transactions

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
* Copyright 2011 Julien Salvi for Mogreet
*//from  w  w w.  j  a  v a2  s . c o  m
* This file is part of Mercury.
*
* Mercury is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Mercury 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 Mercury. If not, see <http://www.gnu.org/licenses/>.
*/

package android.mercury.user;

import java.util.*;

import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpression;
import javax.xml.xpath.XPathExpressionException;
import javax.xml.xpath.XPathFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NodeList;

import android.mercury.Response;

/**
* The Transactions object contains the response from a {@link Mercury#transactions} request to the Moms API.
*/
public class Transactions extends Response {
  
  private HashMap<String, HashMap<Integer, HashMap<String, String>>> campaigns;

  /**
   * Creation of a new Transaction response to the MOMs API.
   * @param xmlDoc XML DOM Document
   */
  public Transactions(Document xmlDoc) {
    super(xmlDoc);
    if (!super.responseIsValid())
      throw new RuntimeException(super.getMessage());
    try {
      XPath xpath = XPathFactory.newInstance().newXPath();
      XPathExpression expr;
      String tmp = "/response/campaign/@id | /response/campaign/@name | ";
      tmp += "/response/campaign/transaction/@datestamp | /response/campaign/transaction/@hash | /response/campaign/transaction/@message_id | ";
      tmp += "/response/campaign/transaction/to | /response/campaign/transaction/from";
      expr = xpath.compile(tmp);
      NodeList nodes = (NodeList)(expr.evaluate(xmlDoc, XPathConstants.NODESET));
      
      campaigns = new HashMap<String, HashMap<Integer, HashMap<String, String>>>();
      String campaignsIdName = null;
      String datestamp = null;
      String hash = null;
      HashMap<String, String> transactionsInfo = null;
      
      for (int i = 0; i < nodes.getLength(); ++i) {
        if (nodes.item(i).getNodeName().equals("id")) {
          campaignsIdName = nodes.item(i).getNodeValue();
        } else if (nodes.item(i).getNodeName().equals("name")) {
          campaignsIdName += " " + nodes.item(i).getNodeValue();
          if (campaigns.get(campaignsIdName) == null)
            campaigns.put(campaignsIdName, new HashMap<Integer, HashMap<String, String>>());
        } else if (nodes.item(i).getNodeName().equals("datestamp")) {
          datestamp = nodes.item(i).getNodeValue();
        } else if (nodes.item(i).getNodeName().equals("hash")) {
          hash = nodes.item(i).getNodeValue();
        } else if (nodes.item(i).getNodeName().equals("message_id")) {
          HashMap<Integer, HashMap<String, String>> transactions = campaigns.get(campaignsIdName);
          transactions.put(Integer.parseInt(nodes.item(i).getNodeValue()), new HashMap<String, String>());
          transactionsInfo = transactions.get(Integer.parseInt(nodes.item(i).getNodeValue()));
          transactionsInfo.put("datestamp", datestamp);
          transactionsInfo.put("hash", hash);
        } else if (nodes.item(i).getNodeName().equals("to")) {
          transactionsInfo.put("to_number", ((Attr)nodes.item(i).getAttributes().item(0)).getValue());
          transactionsInfo.put("to_name", nodes.item(i).getFirstChild().getNodeValue());
        } else if (nodes.item(i).getNodeName().equals("from")) {
          transactionsInfo.put("from_number", ((Attr)nodes.item(i).getAttributes().item(0)).getValue());
          transactionsInfo.put("from_name", nodes.item(i).getFirstChild().getNodeValue());
        }
      }
    } catch (XPathExpressionException e) {
      throw new RuntimeException("\nAn error occured while parsing the XML data for the TRANSACTIONS call: " + e.getMessage());
    }
  }
  
  /**
  * @return The list of all the campaigns ID.
  */
  public ArrayList<Integer> getCampaignsIdList() {
    ArrayList<Integer> campaignsIdList = new ArrayList<Integer>();
    for (Map.Entry<String, HashMap<Integer, HashMap<String, String>>> entry : this.campaigns.entrySet())
      if (!campaignsIdList.contains(Integer.parseInt(entry.getKey().split(" ")[0])))
        campaignsIdList.add(Integer.parseInt(entry.getKey().split(" ")[0]));
  return campaignsIdList;
  }

  /**
  * @return The list of the names for the specified campaign ID (a campaign can have more than one name).
  */
  public ArrayList<String> getCampaignNames(int campaignId) {
    ArrayList<String> campaignsName = new ArrayList<String>();
    for (Map.Entry<String, HashMap<Integer, HashMap<String, String>>> entry : this.campaigns.entrySet())
      if (Integer.parseInt(entry.getKey().split(" ")[0]) == campaignId)
        campaignsName.add(entry.getKey().split(" ")[1]);
  return campaignsName;
  }

  /**
  * @return The list of all the transactions ID.
  */
  public ArrayList<Integer> getTransactionsIdList() {
    ArrayList<Integer> transactionsIdList = new ArrayList<Integer>();
    for (Map.Entry<String, HashMap<Integer, HashMap<String, String>>> entry : this.campaigns.entrySet())
      transactionsIdList.addAll(entry.getValue().keySet());
  return transactionsIdList;
  }

  /**
  * @return The list of the transactions ID for the specified campaign ID.
  */
  public ArrayList<Integer> getTransactionsIdListFrom(int campaignId) {
    ArrayList<Integer> transactionsIdList = new ArrayList<Integer>();
    for (Map.Entry<String, HashMap<Integer, HashMap<String, String>>> entry : this.campaigns.entrySet())
      if (Integer.parseInt(entry.getKey().split(" ")[0]) == campaignId)
        transactionsIdList.addAll(entry.getValue().keySet());
  return transactionsIdList;
  }

  /**
  * @return The value for the specified key.
  */
  private String getValue(int campaignId, int transactionId, String key) {
    for (Map.Entry<String, HashMap<Integer, HashMap<String, String>>> entry : this.campaigns.entrySet())
      if (Integer.parseInt(entry.getKey().split(" ")[0]) == campaignId)
        if (entry.getValue().get(transactionId) != null)
          return entry.getValue().get(transactionId).get(key);
    return null;
  }

  /**
  * @return The hash corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getHash(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "hash");
  }

  /**
  * @return The datestamp corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getDatestamp(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "datestamp");
  }

  /**
  * @return The sender's number corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getFromNumber(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "from_number");
  }

  /**
  * @return The sender's name corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getFromName(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "from_name");
  }

  /**
  * @return The receiver's number corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getToNumber(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "to_number");
  }

  /**
  * @return The receiver's name corresponding to the specified campaign ID and transaction ID.
  * Null if the campaign ID or the transaction ID does not exist.
  */
  public String getToName(int campaignId, int transactionId) {
    return getValue(campaignId, transactionId, "to_name");
  }

}

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