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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.accumulo.core.util;
18  
19  import java.nio.ByteBuffer;
20  
21  import org.apache.accumulo.core.Constants;
22  import org.apache.hadoop.io.Text;
23  
24  public final class TextUtil {
25    public static byte[] getBytes(Text text) {
26      byte[] bytes = text.getBytes();
27      if (bytes.length != text.getLength()) {
28        bytes = new byte[text.getLength()];
29        System.arraycopy(text.getBytes(), 0, bytes, 0, bytes.length);
30      }
31      return bytes;
32    }
33    
34    public static ByteBuffer getByteBuffer(Text text) {
35      if (text == null)
36        return null;
37      byte[] bytes = text.getBytes();
38      return ByteBuffer.wrap(bytes, 0, text.getLength());
39    }
40    
41    public static Text truncate(Text text, int maxLen) {
42      if (text.getLength() > maxLen) {
43        Text newText = new Text();
44        newText.append(text.getBytes(), 0, maxLen);
45        String suffix = "... TRUNCATED";
46        newText.append(suffix.getBytes(), 0, suffix.length());
47        return newText;
48      }
49      
50      return text;
51    }
52    
53    public static Text truncate(Text row) {
54      return truncate(row, Constants.MAX_DATA_TO_PRINT);
55    }
56  }