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1   /*
2    * Copyright 2004 Diogo Quintela (dquintela@users.sourceforge.net)
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package net.sf.whatsnew.filter.impl;
17  
18  import java.util.ArrayList;
19  import java.util.Arrays;
20  import java.util.List;
21  
22  import net.sf.whatsnew.filter.Filter;
23  import net.sf.whatsnew.filter.util.StringUtils;
24  
25  import org.apache.commons.lang.WordUtils;
26  
27  
28  /***
29   * <p>
30   * An Filter implementation which wordwraps lines
31   * </p>
32   *
33   * @author <a href="mailto:dquintela@users.sourceforge.net">Diogo Quintela</a>
34   * @version $Id: WordWrapFilter.java,v 1.1 2004/05/13 01:22:35 dquintela Exp $
35   */
36  public class WordWrapFilter
37  implements Filter {
38      /***
39       * Process an array of Strings
40       *
41       * @param input The array to process
42       *
43       * @return The filtered output
44       */
45      public String[] filter(String[] input) {
46          List retVal = new ArrayList();
47          String tempNewLine = "\n";
48  
49          for (int i = 0; i < input.length; i++) {
50              String[] lines = StringUtils.splitIntoLines(WordUtils.wrap(
51                          input[i], 70, tempNewLine, false), tempNewLine);
52              retVal.addAll(Arrays.asList(lines));
53          }
54  
55          return (String[]) retVal.toArray(new String[0]);
56      }
57  }
58  // EOF