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| public class DatabaseProvider extends ContentProvider
{
private SQLiteDatabase db;
private static final String AUTHORITY = "net.moi.monprog.DatabaseProvider";
private static final String PROJET_PATH = "projet";
public static final Uri PROJET_URI = Uri.parse("content://" + AUTHORITY + "/" + PROJET_PATH);
private static final int PROJET_URI_ID = 1;
public static final Uri PROJET_UNIQUE_URI = Uri.parse("content://" + AUTHORITY + "/" + PROJET_PATH + "/#");
private static final int PROJET_UNIQUE_URI_ID = 2;
public static final String PROJET_CONTENT_TYPE = ContentResolver.CURSOR_DIR_BASE_TYPE + "/projets";
public static final String PROJET_CONTENT_ITEM_TYPE = ContentResolver.CURSOR_ITEM_BASE_TYPE + "/projet";
private static final String TACHE_PATH = "tache";
public static final Uri TACHE_URI = Uri.parse("content://" + AUTHORITY + "/" + TACHE_PATH);
private static final int TACHE_URI_ID = 101;
public static final Uri TACHE_UNIQUE_URI = Uri.parse("content://" + AUTHORITY + "/" + TACHE_PATH + "/#");
private static final int TACHE_UNIQUE_URI_ID = 102;
public static final String TACHE_CONTENT_TYPE = ContentResolver.CURSOR_DIR_BASE_TYPE + "/taches";
public static final String TACHE_CONTENT_ITEM_TYPE = ContentResolver.CURSOR_ITEM_BASE_TYPE + "/tache";
private static final UriMatcher uriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
static
{
uriMatcher.addURI(AUTHORITY, PROJET_PATH, PROJET_URI_ID);
uriMatcher.addURI(AUTHORITY, PROJET_PATH + "/#", PROJET_UNIQUE_URI_ID);
uriMatcher.addURI(AUTHORITY, TACHE_PATH, TACHE_URI_ID);
uriMatcher.addURI(AUTHORITY, TACHE_PATH + "/#", TACHE_UNIQUE_URI_ID);
}
@Override
public boolean onCreate()
{
this.db = new MyDBHelper(this.getContext()).getWritableDatabase();
return (this.db == null) ? false:true;
}
@Override
public String getType(Uri uri)
{
return null;
}
@Override
public Uri insert(Uri uri, ContentValues values)
{
String table;
Uri newUri;
switch (uriMatcher.match(uri))
{
case PROJET_UNIQUE_URI_ID :
case PROJET_URI_ID :
table = ProjetTable.TABLE_NAME;
newUri = PROJET_UNIQUE_URI;
break;
case TACHE_UNIQUE_URI_ID :
case TACHE_URI_ID :
table = TacheTable.TABLE_NAME;
newUri = TACHE_UNIQUE_URI;
break;
default: throw new IllegalArgumentException("URI inconnu : " + uri);
}
long id = this.db.insertOrThrow(table, null, values);
this.getContext().getContentResolver().notifyChange(uri, null);
return ContentUris.withAppendedId(newUri, id);
}
@Override
public int delete(Uri uri, String selection, String[] selectionArgs)
{
String table;
switch (uriMatcher.match(uri))
{
case PROJET_UNIQUE_URI_ID :
case PROJET_URI_ID :
table = ProjetTable.TABLE_NAME;
break;
case TACHE_UNIQUE_URI_ID :
case TACHE_URI_ID :
table = TacheTable.TABLE_NAME;
break;
default: throw new IllegalArgumentException("URI inconnu : " + uri);
}
int nbrSup = this.db.delete(table, selection, selectionArgs);
this.getContext().getContentResolver().notifyChange(uri, null);
return nbrSup;
}
@Override
public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs)
{
String table;
switch (uriMatcher.match(uri))
{
case PROJET_UNIQUE_URI_ID :
case PROJET_URI_ID :
table = ProjetTable.TABLE_NAME;
break;
case TACHE_UNIQUE_URI_ID :
case TACHE_URI_ID :
table = TacheTable.TABLE_NAME;
break;
default: throw new IllegalArgumentException("URI inconnu : " + uri);
}
int nbrMod = this.db.update(table, values, selection, selectionArgs);
this.getContext().getContentResolver().notifyChange(uri, null);
return nbrMod;
}
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder)
{
SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder();
switch (uriMatcher.match(uri))
{
case PROJET_UNIQUE_URI_ID :
queryBuilder.appendWhere("_id=" + uri.getLastPathSegment());
case PROJET_URI_ID :
queryBuilder.setTables(ProjetTable.TABLE_NAME);
break;
case TACHE_UNIQUE_URI_ID :
queryBuilder.appendWhere("_id=" + uri.getLastPathSegment());
case TACHE_URI_ID :
queryBuilder.setTables(TacheTable.TABLE_NAME);
break;
default: throw new IllegalArgumentException("URI inconnu : " + uri);
}
Cursor cursor = queryBuilder.query(this.db, projection, selection, selectionArgs, null, null, sortOrder);
cursor.setNotificationUri(this.getContext().getContentResolver(), uri);
return cursor;
}
} |
