private void emitMethods() throws Exception {
emitContentProviderOperationMethods();
for (Table table : mModel.getTables()) {
emitTableCRUD(table);
}
}
private void emitURIs() throws IOException {
writer.emitEmptyLine();
for (Table table : mModel.getTables()) {
writer.emitField(
"Uri",
SqlUtil.URI(table),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"Uri.parse(\"content://"
+ mModel.getContentAuthority()
+ "/"
+ table.name.toLowerCase()
+ "\")");
}
for (View view : mModel.getViews()) {
writer.emitField(
"Uri",
SqlUtil.URI(view),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"Uri.parse(\"content://"
+ mModel.getContentAuthority()
+ "/"
+ view.name.toLowerCase()
+ "\")");
}
writer.emitEmptyLine();
}
private void emitURIMatcher() throws IOException {
writer.emitEmptyLine();
writer.emitField(
"UriMatcher", "uriMatcher", EnumSet.of(Modifier.PRIVATE, Modifier.STATIC, Modifier.FINAL));
writer.beginInitializer(true);
writer.emitStatement("uriMatcher = new UriMatcher(UriMatcher.NO_MATCH)");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"uriMatcher.addURI(\""
+ mModel.getContentAuthority()
+ "\", \""
+ table.name.toLowerCase()
+ "\", "
+ table.getAllName()
+ ")");
writer.emitStatement(
"uriMatcher.addURI(\""
+ mModel.getContentAuthority()
+ "\", \""
+ table.name.toLowerCase()
+ "/#\", "
+ table.getSingleName()
+ ")");
}
for (View view : mModel.getViews()) {
writer.emitStatement(
"uriMatcher.addURI(\""
+ mModel.getContentAuthority()
+ "\", \""
+ view.name.toLowerCase()
+ "\", "
+ SqlUtil.IDENTIFIER(view)
+ ")");
}
writer.endInitializer();
}
private void emitTableConstants() throws IOException {
int index = 1;
for (Table table : mModel.getTables()) {
writer.emitSingleLineComment(table.name + " constants");
writer.emitField(
"String",
SqlUtil.IDENTIFIER(table),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"\"" + table.name + "\"");
writer.emitField(
"int",
table.getAllName(),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"" + index);
index++;
writer.emitField(
"int",
table.getSingleName(),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"" + index);
index++;
}
writer.emitEmptyLine();
writer.emitSingleLineComment("views constants");
for (View view : mModel.getViews()) {
writer.emitField(
"String",
view.name,
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"\"" + view.name + "\"");
writer.emitField(
"int",
SqlUtil.IDENTIFIER(view),
EnumSet.of(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL),
"" + index);
index++;
}
}
private void emitMethods() throws IOException {
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod("boolean", "onCreate", EnumSet.of(Modifier.PUBLIC));
writer.emitStatement("mLocalDatabase = new " + mModel.getDbClassName() + " (getContext())");
writer.emitStatement("return true");
writer.endMethod();
writer.emitEmptyLine();
writer.beginMethod("String", "getTableNameFromUri", EnumSet.of(Modifier.PRIVATE), "Uri", "uri");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getAllName()
+ ":\ncase "
+ table.getSingleName()
+ ":\n\treturn "
+ SqlUtil.IDENTIFIER(table));
}
for (View view : mModel.getViews()) {
writer.emitStatement("\tcase " + SqlUtil.IDENTIFIER(view) + ":\n\treturn " + view.name);
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitEmptyLine();
writer.emitStatement("return null");
writer.endMethod();
writer.emitEmptyLine();
writer.beginMethod("String", "getUniqueKey", EnumSet.of(Modifier.PRIVATE), "Uri", "uri");
writer.emitSingleLineComment("Only for actual tables");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getAllName()
+ ":\ncase "
+ table.getSingleName()
+ ":\n\treturn \""
+ table.UNIQUEROWID().snd
+ "\"");
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitEmptyLine();
writer.emitStatement("return null");
writer.endMethod();
writer.emitEmptyLine();
writer.beginMethod(
"boolean",
"containsUnique",
EnumSet.of(Modifier.PRIVATE),
"Uri",
"uri",
"ContentValues",
"contentvalues");
writer.emitStatement("String unique = getUniqueKey(uri)");
writer.beginControlFlow("for (String key : contentvalues.keySet())");
writer.beginControlFlow("if (key.equals(unique))");
writer.emitStatement("return true");
writer.endControlFlow();
writer.endControlFlow();
writer.emitStatement("return false");
writer.endMethod();
writer.emitEmptyLine();
writer.beginMethod("Uri", "getContentUriFromUri", EnumSet.of(Modifier.PRIVATE), "Uri", "uri");
writer.emitSingleLineComment("Only for actual tables");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getAllName()
+ ":\ncase "
+ table.getSingleName()
+ ":\n\treturn "
+ SqlUtil.URI(table));
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitEmptyLine();
writer.emitStatement("return null");
writer.endMethod();
writer.emitEmptyLine();
writer.beginMethod(
"ArrayList<Uri>", "getAssociatedViewUris", EnumSet.of(Modifier.PRIVATE), "Uri", "uri");
writer.emitSingleLineComment("Only for actual views");
writer.emitStatement("ArrayList<Uri> viewUris = null");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
String statement =
"\tcase " + table.getAllName() + ":\ncase " + table.getSingleName() + ":\n\t";
ArrayList<String> associatedviews = new ArrayList<String>();
for (View view : mModel.getViews()) {
if (view.getFromtables().contains(table.name)) {
associatedviews.add(SqlUtil.URI(view));
}
}
if (!associatedviews.isEmpty()) {
statement += "viewUris = new ArrayList<Uri>();\n\t";
}
for (String string : associatedviews) {
statement += "viewUris.add(" + string + ");\n\t";
}
statement += "break";
writer.emitStatement(statement);
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitEmptyLine();
writer.emitStatement("return viewUris");
writer.endMethod();
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod("String", "getType", EnumSet.of(Modifier.PUBLIC), "Uri", "uri");
writer.emitSingleLineComment(
"Return a string that identifies the MIME type for a Content Provider URI");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getAllName()
+ ":\n\treturn \"vnd.android.cursor.dir/vnd."
+ mModel.getClassPackage()
+ "."
+ table.name.toLowerCase()
+ "\"");
writer.emitStatement(
"\tcase "
+ table.getSingleName()
+ ":\n\treturn \"vnd.android.cursor.dir/vnd."
+ mModel.getClassPackage()
+ "."
+ table.name.toLowerCase()
+ "\"");
}
for (View view : mModel.getViews()) {
writer.emitStatement(
"\tcase "
+ SqlUtil.IDENTIFIER(view)
+ ":\n\treturn \"vnd.android.cursor.dir/vnd."
+ mModel.getClassPackage()
+ "."
+ view.name.toLowerCase()
+ "\"");
}
writer.emitStatement(
"default:\n throw new IllegalArgumentException(\"Unsupported URI: \" + uri)");
writer.endControlFlow();
writer.endMethod();
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod(
"Cursor",
"query",
EnumSet.of(Modifier.PUBLIC),
"Uri",
"uri",
"String[]",
"projection",
"String",
"selection",
"String[]",
"selectionArgs",
"String",
"sortOrder");
writer.emitSingleLineComment("Open database");
writer.emitStatement("SQLiteDatabase db");
writer.beginControlFlow("try");
writer.emitStatement("db = mLocalDatabase.getWritableDatabase()");
writer.nextControlFlow("catch (SQLiteException ex)");
writer.emitStatement("db = mLocalDatabase.getReadableDatabase()");
writer.endControlFlow();
writer.emitSingleLineComment("Replace these with valid SQL statements if necessary.");
writer.emitStatement("String groupBy = null");
writer.emitStatement("String having = null");
writer.emitStatement("SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder()");
writer.emitSingleLineComment(
"If this is a row query, limit the result set to the passed in row.");
writer.emitStatement("String rowID");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"case "
+ table.getSingleName()
+ ":\n\trowID = uri.getPathSegments().get(1);\n\tqueryBuilder.appendWhere(ROW_ID + \"=\" + rowID);\n\tbreak");
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitSingleLineComment(
"Specify the table on which to perform the query. This can be a specific table or a join as required.");
writer.emitStatement("queryBuilder.setTables(getTableNameFromUri(uri))");
writer.emitEmptyLine();
writer.emitSingleLineComment("Execute...");
writer.emitStatement(
"Cursor cursor = queryBuilder.query(db, projection, selection, selectionArgs, groupBy, having, sortOrder)");
writer.emitStatement("cursor.setNotificationUri(getContext().getContentResolver(), uri)");
writer.emitStatement("return cursor");
writer.endMethod();
ArrayList<String> throwTypes = new ArrayList<String>();
throwTypes.add("OperationApplicationException");
ArrayList<String> parameters = new ArrayList<String>();
parameters.add("ArrayList <ContentProviderOperation>");
parameters.add("operations");
writer.emitAnnotation("Override");
writer.beginMethod(
"ContentProviderResult[]",
"applyBatch",
EnumSet.of(Modifier.PUBLIC),
parameters,
throwTypes);
writer.emitStatement("SQLiteDatabase db = mLocalDatabase.getWritableDatabase()");
writer.emitStatement("db.beginTransaction()");
writer.emitStatement("final int numOperations = operations.size()");
writer.emitStatement(
"final ContentProviderResult[] results = new ContentProviderResult[numOperations]");
writer.emitStatement("Log.i(TAG, \"Applying a batch of \" + numOperations + \" operations.\")");
writer.beginControlFlow("try");
writer.beginControlFlow("for (int i = 0; i < numOperations; i++)");
writer.emitStatement("results[i] = operations.get(i).apply(this, results, i)");
writer.endControlFlow();
writer.emitStatement("db.setTransactionSuccessful()");
writer.nextControlFlow("finally");
writer.emitStatement("db.endTransaction()");
writer.endControlFlow();
writer.emitStatement("return results");
writer.endMethod();
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod(
"int",
"delete",
EnumSet.of(Modifier.PUBLIC),
"Uri",
"uri",
"String",
"selection",
"String[]",
"selectionArgs");
writer.emitSingleLineComment("Open database");
writer.emitStatement("SQLiteDatabase db = mLocalDatabase.getWritableDatabase()");
writer.emitStatement("String rowID");
writer.emitStatement("String UNIQUEID");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getSingleName()
+ ":"
+ "\n\tUNIQUEID = \""
+ table.UNIQUEROWID().snd
+ "\";\n\trowID = uri.getPathSegments().get(1);\n\tselection = UNIQUEID + \"=\" + rowID + (!TextUtils.isEmpty(selection) ? \" AND (\" + selection + ')' : \"\")");
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitEmptyLine();
writer.beginControlFlow("if (selection == null)");
writer.emitStatement("selection = \"1\"");
writer.endControlFlow();
writer.emitEmptyLine();
writer.emitStatement(
"int deleteCount = db.delete(getTableNameFromUri(uri), selection, selectionArgs)");
insertNotifyBlock();
writer.emitEmptyLine();
writer.emitStatement("return deleteCount");
writer.endMethod();
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod(
"Uri", "insert", EnumSet.of(Modifier.PUBLIC), "Uri", "uri", "ContentValues", "values");
writer.emitSingleLineComment("Open database");
writer.emitStatement("SQLiteDatabase db = mLocalDatabase.getWritableDatabase()");
writer.emitSingleLineComment("Try to do an insert as per usual");
writer.emitStatement("String nullColumnHack = null");
writer.emitStatement("long id = db.insert(getTableNameFromUri(uri), nullColumnHack, values)");
if (mModel.getConflictStrategy().equals("UPSERT")) {
writer.emitEmptyLine();
writer.beginControlFlow("if (id == -1)");
writer.emitSingleLineComment("There was an error inserting, try upsert!");
writer.beginControlFlow("if (containsUnique(uri, values))");
writer.emitStatement("ContentValues withoutUnique = new ContentValues(values)");
writer.emitStatement("String unique = getUniqueKey(uri)");
writer.emitStatement("withoutUnique.remove(unique)");
writer.emitStatement("String selection = unique + \"=?\"");
writer.emitStatement(
"String[] selectionArgs = new String[]{String.valueOf(values.get(unique))}");
writer.emitStatement(
"int updated = db.update(getTableNameFromUri(uri), withoutUnique, selection, selectionArgs)");
writer.beginControlFlow("if (updated > 0)");
writer.emitSingleLineComment(
"If any row was updated, we'll get the row id from that row so we can pass it along below.");
writer.emitStatement("SQLiteQueryBuilder queryBuilder = new SQLiteQueryBuilder()");
writer.emitStatement("queryBuilder.setTables(getTableNameFromUri(uri))");
writer.emitStatement(
"Cursor c = queryBuilder.query(db, new String[]{\"_id\"}, selection, selectionArgs, null, null, null)");
writer.emitStatement("c.moveToNext()");
writer.emitStatement("id = c.getLong(0)");
writer.emitStatement("c.close()");
writer.endControlFlow();
writer.endControlFlow();
writer.endControlFlow();
}
writer.emitEmptyLine();
writer.beginControlFlow("if (id > -1)");
writer.emitSingleLineComment("the insert was successful");
writer.emitStatement(
"Uri insertedId = ContentUris.withAppendedId(getContentUriFromUri(uri), id)");
insertNotifyBlock();
writer.emitEmptyLine();
writer.emitStatement("return insertedId");
writer.endControlFlow();
writer.emitStatement("return null");
writer.endMethod();
writer.emitEmptyLine();
writer.emitAnnotation("Override");
writer.beginMethod(
"int",
"update",
EnumSet.of(Modifier.PUBLIC),
"Uri",
"uri",
"ContentValues",
"values",
"String",
"selection",
"String[]",
"selectionArgs");
writer.emitSingleLineComment("Open database");
writer.emitStatement("SQLiteDatabase db = mLocalDatabase.getWritableDatabase()");
writer.emitSingleLineComment("If this is a row URI, limit the deletion to the specified row.");
writer.emitStatement("String rowID");
writer.emitStatement("String UNIQUEID");
writer.beginControlFlow("switch(uriMatcher.match(uri))");
for (Table table : mModel.getTables()) {
writer.emitStatement(
"\tcase "
+ table.getSingleName()
+ ":"
+ "\n\tUNIQUEID = \""
+ table.UNIQUEROWID().snd
+ "\";\n\trowID = uri.getPathSegments().get(1);\n\tselection = UNIQUEID + \"=\" + rowID + (!TextUtils.isEmpty(selection) ? \" AND (\" + selection + ')' : \"\")");
}
writer.emitStatement("default: break");
writer.endControlFlow();
writer.emitSingleLineComment("Perform update");
writer.emitStatement(
"int updateCount = db.update(getTableNameFromUri(uri), values, selection, selectionArgs)");
insertNotifyBlock();
writer.emitEmptyLine();
writer.emitStatement("return updateCount");
writer.endMethod();
}