| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * you may obtain a copy of the License from |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package edu.uci.ics.hyracks.algebricks.data.impl; |
| |
| import java.io.PrintStream; |
| |
| import edu.uci.ics.hyracks.algebricks.common.exceptions.AlgebricksException; |
| import edu.uci.ics.hyracks.algebricks.data.IPrinter; |
| import edu.uci.ics.hyracks.algebricks.data.IPrinterFactory; |
| import edu.uci.ics.hyracks.data.std.primitive.UTF8StringPointable; |
| |
| public class UTF8StringPrinterFactory implements IPrinterFactory { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public static final UTF8StringPrinterFactory INSTANCE = new UTF8StringPrinterFactory(); |
| |
| private UTF8StringPrinterFactory() { |
| } |
| |
| @Override |
| public IPrinter createPrinter() { |
| return new IPrinter() { |
| |
| @Override |
| public void print(byte[] b, int s, int l, PrintStream ps) throws AlgebricksException { |
| int strlen = UTF8StringPointable.getUTFLength(b, s); |
| int pos = s + 2; |
| int maxPos = pos + strlen; |
| ps.print("\""); |
| while (pos < maxPos) { |
| char c = UTF8StringPointable.charAt(b, pos); |
| switch (c) { |
| case '\\': |
| case '"': |
| ps.print('\\'); |
| break; |
| } |
| ps.print(c); |
| pos += UTF8StringPointable.charSize(b, pos); |
| } |
| ps.print("\""); |
| } |
| |
| @Override |
| public void init() throws AlgebricksException { |
| } |
| }; |
| } |
| |
| } |