Android Open Source - ironcontrol-for-android Search Task

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License

The source code is released under:
Apache License
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Java Source Code

/*
 * #%L/*from   w ww . jav a2s .c  o m*/
 * =====================================================
 *   _____                _     ____  _   _       _   _
 *  |_   _|_ __ _   _ ___| |_  / __ \| | | | ___ | | | |
 *    | | | '__| | | / __| __|/ / _` | |_| |/ __|| |_| |
 *    | | | |  | |_| \__ \ |_| | (_| |  _  |\__ \|  _  |
 *    |_| |_|   \__,_|___/\__|\ \__,_|_| |_||___/|_| |_|
 *                             \____/
 * 
 * =====================================================
 * 
 * Hochschule Hannover
 * (University of Applied Sciences and Arts, Hannover)
 * Faculty IV, Dept. of Computer Science
 * Ricklinger Stadtweg 118, 30459 Hannover, Germany
 * 
 * Email: trust@f4-i.fh-hannover.de
 * Website: http://trust.f4.hs-hannover.de/
 * 
 * This file is part of ironcontrol for android, version 1.0.1, implemented by the Trust@HsH research group at the Hochschule Hannover.
 * %%
 * Copyright (C) 2013 Trust@HsH
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */
package de.hshannover.f4.trust.ironcontrol.asynctask;

import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Locale;

import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

import android.app.ProgressDialog;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.net.Uri;
import android.os.AsyncTask;
import android.util.Log;
import android.widget.Toast;
import de.hshannover.f4.trust.ifmapj.exception.IfmapErrorResult;
import de.hshannover.f4.trust.ifmapj.exception.IfmapException;
import de.hshannover.f4.trust.ifmapj.messages.ResultItem;
import de.hshannover.f4.trust.ifmapj.messages.SearchResult;
import de.hshannover.f4.trust.ironcontrol.R;
import de.hshannover.f4.trust.ironcontrol.database.DBContentProvider;
import de.hshannover.f4.trust.ironcontrol.database.entities.Requests;
import de.hshannover.f4.trust.ironcontrol.database.entities.Responses;
import de.hshannover.f4.trust.ironcontrol.database.entities.ResultItems;
import de.hshannover.f4.trust.ironcontrol.database.entities.ResultMetaAttributes;
import de.hshannover.f4.trust.ironcontrol.database.entities.ResultMetadata;
import de.hshannover.f4.trust.ironcontrol.logger.Level;
import de.hshannover.f4.trust.ironcontrol.logger.Logger;
import de.hshannover.f4.trust.ironcontrol.logger.LoggerFactory;
import de.hshannover.f4.trust.ironcontrol.logic.RequestsController;
import de.hshannover.f4.trust.ironcontrol.logic.data.SearchRequestData;

/**
 * AsyncTask to search and save the result in background and inform the user.
 * @author Marcel Reichenbach
 * @version 1.0
 */

public class SearchTask extends AsyncTask<Void, Void, Void> {

  private static final Logger logger = LoggerFactory.getLogger(SearchTask.class);

  private ProgressDialog pd;
  private Context context;
  private String name, startIdentifier, startIdentifierValue, matchLinks, resultFilter, terminalIdentifierTypes;
  private int maxDepth, maxSitze;

  private String error;

  private SearchResult mSearchResult;

  public SearchTask(String name, String startIdentifier, String startIdentifierValue, int maxDepth, Context context, String message){
    this(name, startIdentifier, startIdentifierValue, null, null, maxDepth, 0, null, context, message);
  }

  public SearchTask(String name, String startIdentifier, String startIdentifierValue, String matchLinks, String resultFilter, int maxDepth, int maxSitze, String terminalIdentifierTypes, Context context, String message) {
    logger.log(Level.DEBUG, "NEW...");
    this.name = name;
    this.context = context;
    this.startIdentifier = startIdentifier;
    this.startIdentifierValue = startIdentifierValue;
    this.matchLinks = matchLinks;
    this.resultFilter = resultFilter;
    this.maxDepth = maxDepth;
    this.maxSitze = maxSitze;
    this.terminalIdentifierTypes = terminalIdentifierTypes;

    pd= new ProgressDialog(this.context);
    pd.setMessage(message);
    logger.log(Level.DEBUG, "...NEW");
  }

  @Override
  protected void onPreExecute() {
    logger.log(Level.DEBUG, "onPreExecute()...");
    super.onPreExecute();
    pd.show();
    logger.log(Level.DEBUG, "...onPreExecute()");
  }

  @Override
  protected Void doInBackground(Void... params) {
    Thread.currentThread().setName(SearchTask.class.getSimpleName());
    logger.log(Level.DEBUG, "doInBackground()...");
    try {

      mSearchResult = RequestsController.createSearch(buildRequestData());

    } catch (IfmapErrorResult e) {
      error = e.getErrorCode().toString();
    } catch (IfmapException e) {
      error = e.getDescription();
    } catch (Exception e) {
      error = e.getMessage();
    }

    String selectionArgs[] = {name};
    String selection = Requests.COLUMN_NAME + "=?";
    String[] projection = new String[]{Requests.COLUMN_ID};
    Cursor cursor = context.getContentResolver().query(DBContentProvider.SEARCH_URI, projection, selection, selectionArgs, null);
    if(cursor.getCount() == 1){
      cursor.moveToNext();
      int requestId = cursor.getInt(cursor.getColumnIndexOrThrow(Requests.COLUMN_ID));
      Log.d("de.hshannover.inform.trust.ifmapj.ironcontrol", "[SearchTask] Saved Seach was found, persist ...");
      persistSearchResult(requestId);
    }else{
      Log.d("de.hshannover.inform.trust.ifmapj.ironcontrol", "[SearchTask] Too much Search was found");
    }

    logger.log(Level.DEBUG, "...doInBackground()");
    return null;
  }

  private SearchRequestData buildRequestData() {
    logger.log(Level.DEBUG, "buildRequestData()...");
    SearchRequestData data = new SearchRequestData();
    data.setIdentifier1(startIdentifier);
    data.setIdentifier1Value(startIdentifierValue);
    data.setMaxDepth(maxDepth);
    data.setMaxSize(maxSitze);
    data.setResultFilter(resultFilter);
    data.setTerminalIdentifierTypes(terminalIdentifierTypes);
    data.setMatchLinks(matchLinks);
    logger.log(Level.DEBUG, "...buildRequestData()");
    return data;
  }

  private void persistSearchResult(int requestId){
    logger.log(Level.DEBUG, "persistSearchResult()...");
    Collection<ResultItem> resultItems = mSearchResult.getResultItems();
    SimpleDateFormat timeFormat = new SimpleDateFormat("HH:mm:ss", Locale.GERMANY);
    SimpleDateFormat dateFormat = new SimpleDateFormat("d.MM.y", Locale.GERMANY);
    String time = timeFormat.format(System.currentTimeMillis());
    String date = dateFormat.format(System.currentTimeMillis());

    ContentValues respons = new ContentValues();
    respons.put(Responses.COLUMN_DATE, date);
    respons.put(Responses.COLUMN_TIME, time);
    Uri responsUri = context.getContentResolver().insert(Uri.parse(DBContentProvider.SEARCH_URI + "/" + requestId + "/" + DBContentProvider.RESPONSES), respons);

    for (ResultItem resultItem : resultItems) {
      ContentValues resultItemsValues = new ContentValues();
      String responsId = responsUri.getLastPathSegment();
      resultItemsValues.put(ResultItems.COLUMN_IDENTIFIER1, resultItem.getIdentifier1().toString());
      if(resultItem.getIdentifier2() != null){
        resultItemsValues.put(ResultItems.COLUMN_IDENTIFIER2, resultItem.getIdentifier2().toString());
      }
      Uri resultItemUri = context.getContentResolver().insert(Uri.parse(DBContentProvider.RESPONSES_URI + "/" + responsId + "/" + DBContentProvider.RESULT_ITEMS), resultItemsValues);

      Collection<Document> meta = resultItem.getMetadata();
      if(!meta.isEmpty()){
        for (Document document : meta) {
          if(document.hasChildNodes()){
            NodeList nl = document.getChildNodes();
            for(int i=0; i<nl.getLength(); i++){
              NamedNodeMap attributes = nl.item(i).getAttributes();
              Node ifmap_cardinality = attributes.getNamedItem("ifmap-cardinality");
              Node ifmap_publisher_id = attributes.getNamedItem("ifmap-publisher-id");
              Node ifmap_timestamp = attributes.getNamedItem("ifmap-timestamp");

              String resultItemId = resultItemUri.getLastPathSegment();
              String localName = nl.item(i).getLocalName();
              String nameSpaceUri = nl.item(i).getNamespaceURI();
              String prefix = nl.item(i).getPrefix();
              String cardinality = "";
              String publisherID = "";
              String timestamp = "";

              if(ifmap_cardinality !=null ){
                cardinality = attributes.getNamedItem("ifmap-cardinality").getNodeValue();
              }
              if(ifmap_publisher_id !=null ){
                publisherID = attributes.getNamedItem("ifmap-publisher-id").getNodeValue();
              }
              if(ifmap_timestamp !=null ){
                timestamp = attributes.getNamedItem("ifmap-timestamp").getNodeValue();
                // TODO ANTON

              }

              ContentValues metaValues = new ContentValues();
              metaValues.put(ResultMetadata.COLUMN_LOCAL_NAME, localName);
              metaValues.put(ResultMetadata.COLUMN_NAMESPACEURI, nameSpaceUri);
              metaValues.put(ResultMetadata.COLUMN_PREFIX, prefix);
              metaValues.put(ResultMetadata.COLUMN_CARDINALITY, cardinality);
              metaValues.put(ResultMetadata.COLUMN_PUBLISHERID, publisherID);
              metaValues.put(ResultMetadata.COLUMN_TIMESTAMP, timestamp);

              Uri resultIMetadataUri = context.getContentResolver().insert(Uri.parse(DBContentProvider.RESULT_ITEMS_URI + "/" + resultItemId +"/" + DBContentProvider.RESULT_METADATA), metaValues);
              String resultMetadataId = resultIMetadataUri.getLastPathSegment();

              if(nl.item(i).hasAttributes()){
                for(int y=1; y<attributes.getLength(); y++){
                  String nodeName = attributes.item(y).getNodeName();
                  if(!((nodeName.equals("ifmap-cardinality") || nodeName.equals("ifmap-publisher-id") || nodeName.equals("ifmap-timestamp")))){

                    String nodeValue = attributes.item(y).getNodeValue();

                    ContentValues metaAttributes = new ContentValues();
                    metaAttributes.put(ResultMetaAttributes.COLUMN_NODE_NAME, nodeName);
                    metaAttributes.put(ResultMetaAttributes.COLUMN_NODE_VALUE, nodeValue);

                    context.getContentResolver().insert(Uri.parse(DBContentProvider.RESULT_METADATA_URI + "/" + resultMetadataId + "/" + DBContentProvider.RESULT_META_ATTRIBUTES) , metaAttributes);
                  }
                }
              }

              if(nl.item(i).hasChildNodes()){
                for(int xx=0; xx<nl.item(i).getChildNodes().getLength(); xx++){
                  Node n = nl.item(i).getChildNodes().item(xx);
                  if (n.getNodeType() == Node.ELEMENT_NODE) {
                    String nodeName = n.getNodeName();
                    String nodeValue = n.getTextContent();

                    ContentValues metaAttributes = new ContentValues();
                    metaAttributes.put(ResultMetaAttributes.COLUMN_NODE_NAME, nodeName);
                    metaAttributes.put(ResultMetaAttributes.COLUMN_NODE_VALUE, nodeValue);

                    context.getContentResolver().insert(Uri.parse(DBContentProvider.RESULT_METADATA_URI + "/" + resultMetadataId + "/" + DBContentProvider.RESULT_META_ATTRIBUTES) , metaAttributes);

                  }

                }
              }

            }
          }
        }
      }
    }
    logger.log(Level.DEBUG, "...saved SearchResult");
  }

  @Override
  protected void onPostExecute(Void result) {
    logger.log(Level.DEBUG, "onPostExecute()...");
    pd.dismiss();
    if(error != null){
      Toast.makeText(context, error, Toast.LENGTH_SHORT).show();
    }else if(mSearchResult == null){
      logger.log(Level.WARN, context.getResources().getString(R.string.searchresult_is_null));
      Toast.makeText(context, context.getResources().getString(R.string.searchresult_is_null), Toast.LENGTH_SHORT).show();
    }else{
      if(!name.equals("")){
        Toast.makeText(context, "NEW Search Results for "+ name + " was saved.", Toast.LENGTH_SHORT).show();
      }
    }
    logger.log(Level.DEBUG, "...onPostExecute()");
  }
}
Java Source Code List
