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54  * Portions of this software are based upon software originally written
55  * by Daniel F. Savarese. We appreciate his contributions.
56  */
57
58 import org.apache.oro.text.regex.*;
59 import org.apache.oro.text.perl.*;
60
61 /**
62  * This is a trivial example program demonstrating the preMatch()
63  * and postMatch() methods of Perl5Util.
64  *
65  @author <a HREF="dfs@savarese.org">Daniel F. Savarese</a>
66  @version $Id: didNotMatch.java,v 1.1.1.1 2000/07/23 23:08:48 jon Exp $
67  */
68 public final class didNotMatch {
69
70   /**
71    * This program takes a Perl5 pattern and an input string as arguments.
72    * It prints the parts of the input surrounding the first occurrence
73    * of the pattern in the input.
74    */
75   public static final void main(String JavaDoc args[]) {
76     String JavaDoc pattern, input;
77     Perl5Util perl;
78
79     if(args.length < 2) {
80       System.err.println("Usage: didNotMatch pattern input");
81       System.exit(1);
82     }
83
84     pattern = args[0];
85     input = args[1];
86     perl = new Perl5Util();
87
88     // Use a try block because we have no idea if the user will enter a valid
89 // pattern.
90 try {
91       if(perl.match(pattern, input)) {
92     System.out.println("Pre : " + perl.preMatch());
93     System.out.println("Post: " + perl.postMatch());
94       } else
95     System.err.println("There was no match.");
96     } catch(MalformedPerl5PatternException e) {
97       System.err.println("You entered an invalid pattern.");
98       System.err.println("Error: " + e.getMessage());
99       System.exit(1);
100     }
101
102   }
103
104 }
105
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