extends ArrayAdapter to create URL history : Url « Network « Android

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Android » Network » Url 
extends ArrayAdapter to create URL history
 
/***
Copyright (c) 2008-2009 CommonsWare, LLC
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.
 */

//package com.mediaportal.ampdroid.videoplayer;

import android.content.Context;
import android.widget.ArrayAdapter;
import java.util.ArrayList;
import java.io.IOException;
import java.io.Writer;
import java.util.Iterator;
import org.json.JSONException;
import org.json.JSONObject;
import org.json.JSONStringer;

public class URLHistory extends ArrayAdapter<URLHistory.HistoryItem> {
   private ArrayList<URLHistory.HistoryItem> spareCopy = new ArrayList<URLHistory.HistoryItem>();

   public URLHistory(Context context, int resource) {
      super(context, resource, new ArrayList<URLHistory.HistoryItem>());
   }

   public void update(String url) {
      for (HistoryItem h : spareCopy) {
         if (url.equals(h.url)) {
            h.count++;
            return;
         }
      }

      HistoryItem h = new HistoryItem(url);

      spareCopy.add(h);
      add(h)// duplicate due to moronic filtering
   }

   public void save(Writer outthrows JSONException, IOException {
      JSONStringer json = new JSONStringer().object();

      for (HistoryItem h : spareCopy) {
         h.emit(json);
      }

      out.write(json.endObject().toString());
   }

   public void load(String rawJSONthrows JSONException {
      JSONObject json = new JSONObject(rawJSON);

      for (Iterator i = json.keys(); i.hasNext();) {
         String key = i.next().toString();
         HistoryItem h = new HistoryItem(key, json.getInt(key));

         spareCopy.add(h);
         add(h);
      }
   }

   class HistoryItem {
      String url = null;
      int count = 1;

      HistoryItem(String url) {
         this.url = url;
      }

      HistoryItem(String url, int count) {
         this.url = url;
         this.count = count;
      }

      public String toString() {
         return (url);
      }

      void emit(JSONStringer jsonthrows JSONException {
         json.key(url).value(count);
      }
   }
}

   
  
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