TagsResponse.java :  » UnTagged » android-delicious-bookmarks » org » peterbaldwin » client » android » delicious » Android Open Source

/*-
 *  Copyright (C) 2009 Peter Baldwin   
 *  
 *  This program 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.
 *
 *  This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.peterbaldwin.client.android.delicious;

import java.util.ArrayList;
import java.util.List;

import org.xml.sax.Attributes;
import org.xml.sax.ContentHandler;

import android.sax.Element;
import android.sax.RootElement;
import android.sax.StartElementListener;
import android.util.Log;

public class TagsResponse implements DeliciousApiResponseHandler,
    StartElementListener {

  private static final String LOG_TAG = "TagsResponse";

  public static class Tag {
    private final String mTag;
    private final int mCount;
    private final String mStringValue;

    private Tag(String tag, int count) {
      super();
      this.mTag = tag;
      this.mCount = count;
      mStringValue = count < 0 ? tag : tag + " (" + count + ")";
    }

    public String getTag() {
      return mTag;
    }

    public int getCount() {
      return mCount;
    }

    @Override
    public String toString() {
      return mStringValue;
    }
  }

  private final ContentHandler mContentHandler;

  private final List<Tag> mTags = new ArrayList<Tag>();

  public TagsResponse() {
    RootElement root = new RootElement("tags");
    Element tag = root.getChild("tag");
    tag.setStartElementListener(this);
    mContentHandler = root.getContentHandler();
  }

  /**
   * {@inheritDoc}
   */
  public ContentHandler getContentHandler() {
    return mContentHandler;
  }

  /**
   * {@inheritDoc}
   */
  public void start(Attributes attributes) {
    String tag = attributes.getValue("tag");
    if (tag != null) {
      String countString = attributes.getValue("count");
      int count = -1;
      if (countString != null) {
        try {
          count = Integer.valueOf(countString);
        } catch (NumberFormatException e) {
          Log.e(LOG_TAG, "invalid count: " + countString, e);
        }
      } else {
        Log.e(LOG_TAG, "count missing" + countString);
      }
      mTags.add(new Tag(tag, count));
    } else {
      Log.e(LOG_TAG, "tag name missing");
    }
  }

  public Tag[] getTags() {
    return mTags.toArray(new Tag[mTags.size()]);
  }
}