Android Open Source - android-webview-example Credit Dao Based Content Provider

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License

The source code is released under:

Apache License

Java Source Code

package com.significantfiles.mrcounter.db.provider;
/*from   ww  w.  ja  v  a2  s  . co m*/
import android.content.ContentValues;
import android.content.Context;
import android.content.UriMatcher;
import android.database.Cursor;
import android.net.Uri;

import com.significantfiles.android.sqlite.UnsupportedUri;
import com.significantfiles.android.sqlite.commands.CommandBasedContentProvider;
import com.significantfiles.android.sqlite.commands.DaoManager;
import com.significantfiles.mrcounter.Constants;
import com.significantfiles.mrcounter.db.CommandUriMatcher;
import com.significantfiles.mrcounter.db.CreditDao;
import com.significantfiles.mrcounter.db.CreditSQLiteOpenHelper;

public class CreditDaoBasedContentProvider extends CommandBasedContentProvider {

  public static String AUTHORITY = Constants.AUTHORITY;

    private static final UriMatcher matcher = initUriMatcher();

  private CreditSQLiteOpenHelper databaseHelper;

    /*
     * Uri-Matcher-Codes :::
     */
  private static final int MATCH_NEW_CREDIT = 0;

  private static UriMatcher initUriMatcher() {
    final UriMatcher rval = new UriMatcher(UriMatcher.NO_MATCH);
    
    rval.addURI(AUTHORITY, "credit/new", MATCH_NEW_CREDIT);
    
    return rval;
  }
  
  private DaoManager daoManager;
  
  public DaoManager getDaoManager() {
    return this.daoManager;
  }
  


  public CreditSQLiteOpenHelper getDatabaseHelper() {
    return databaseHelper;
  }


  protected void onRegisterCommands(final CommandUriMatcher matcher) {
//    final String path = matcher.getUriPath(InsertCreditCmd.class);
//    
//    final InsertCreditCmd cmd = new InsertCreditCmd();
//    
//    matcher.register( cmd );
  }

  @Override
  public boolean onCreate() {
    final Context context = getContext();
    this.databaseHelper = new CreditSQLiteOpenHelper(context);
    this.daoManager = new DaoManager( this.databaseHelper );
    
    return true;
  }

  @Override
  public Cursor query(final Uri uri, final String[] projection,
      final String selection, final String[] selectionArgs,
      final String sortOrder) {

    throw new UnsupportedOperationException();
  }

  @Override
  public int delete(final Uri arg0, final String arg1, final String[] arg2) {
    throw new UnsupportedOperationException();
  }

  @Override
  public String getType(final Uri uri) {
    return "mrcounter/app";
  }

  @Override
  public Uri insert(final Uri uri, final ContentValues values) {
    final int match = matcher.match(uri);
    
    if( match != MATCH_NEW_CREDIT ) {
      throw new UnsupportedUri(uri);
    }
    
    final CreditDao build = this.daoManager.build(CreditDao.class);
    
    long creditValue = 0;
    
    // TODO: sollte die neue URI zur?ck geben?
//    long creditId = 
    build.newCredit(creditValue, 0.0, 0);

    return createNewCreditResultUri(1);
  }

  private Uri createNewCreditResultUri(final long creditId) {
    final String uriStr = "content://" + AUTHORITY + "/credit/" + creditId;
    
    return Uri.parse( uriStr );
  }

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

}

Java Source Code List

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