Android Open Source - salaya-tram-map Search Suggestion Provider

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License

The source code is released under:

Unless otherwise noted, this software is Copyright 2011 Pawit Pornkitprasan and is licensed under the Simplified BSD License. Copyright 2011 Pawit Pornkitprasan. All rights reserved. Red...

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Java Source Code

package org.dyndns.pawitp.salayatrammap.map;
//ww w  . j  a  v  a 2 s .  c  o  m
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.content.UriMatcher;
import android.database.Cursor;
import android.net.Uri;
import android.text.TextUtils;

public class SearchSuggestionProvider extends ContentProvider {
  
  public static final String AUTHORITY = "org.dyndns.pawitp.salayatrammap.map.SearchSuggestionProvider";
  
  private static final int SEARCH_SUGGEST = 0;
  private static final int SHORTCUT_REFRESH = 1;
  private static final UriMatcher sUriMatcher = buildUriMatcher();
  
  private TramDbHelper mDbHelper;
  
  private static UriMatcher buildUriMatcher() {
    UriMatcher matcher =  new UriMatcher(UriMatcher.NO_MATCH);
    matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, SEARCH_SUGGEST);
    matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", SEARCH_SUGGEST);
    matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_SHORTCUT, SHORTCUT_REFRESH);
    matcher.addURI(AUTHORITY, SearchManager.SUGGEST_URI_PATH_SHORTCUT + "/*", SHORTCUT_REFRESH);
    return matcher;
  }
  
  @Override
  public boolean onCreate() {
    mDbHelper = new TramDbHelper(getContext());
    mDbHelper.open();
    return true;
  }
  
  @Override
  public String getType(Uri uri) {
    switch (sUriMatcher.match(uri)) {
      case SEARCH_SUGGEST:
        return SearchManager.SUGGEST_MIME_TYPE;
      case SHORTCUT_REFRESH:
        return SearchManager.SHORTCUT_MIME_TYPE;
      default:
        throw new IllegalArgumentException("Unknown URL " + uri);
    }
  }

  @Override
  public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
      String sortOrder) {
    if (!TextUtils.isEmpty(selection)) {
      throw new IllegalArgumentException("selection not allowed for " + uri);
    }
    if (selectionArgs != null && selectionArgs.length != 0) {
      throw new IllegalArgumentException("selectionArgs not allowed for " + uri);
    }
    if (!TextUtils.isEmpty(sortOrder)) {
      throw new IllegalArgumentException("sortOrder not allowed for " + uri);
    }
    
    switch (sUriMatcher.match(uri)) {
    case SEARCH_SUGGEST:
      if (uri.getPathSegments().size() > 1) {
        return mDbHelper.getSuggestions(uri.getLastPathSegment());
      }
      else {
        return mDbHelper.getAllSuggestions();
      }
      
    case SHORTCUT_REFRESH:
      return null;
    default:
      throw new IllegalArgumentException("Unknown URL " + uri);
    }
  }

  @Override
  public Uri insert(Uri uri, ContentValues values) {
    throw new UnsupportedOperationException();
  }
  
  @Override
  public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
    throw new UnsupportedOperationException();
  }

  @Override
  public int delete(Uri uri, String selection, String[] selectionArgs) {
    throw new UnsupportedOperationException();
  }

}

Java Source Code List