001: /*
002: * $Id: didNotMatch.java,v 1.7 2003/11/07 20:16:23 dfs Exp $
003: *
004: * ====================================================================
005: * The Apache Software License, Version 1.1
006: *
007: * Copyright (c) 2000 The Apache Software Foundation. All rights
008: * reserved.
009: *
010: * Redistribution and use in source and binary forms, with or without
011: * modification, are permitted provided that the following conditions
012: * are met:
013: *
014: * 1. Redistributions of source code must retain the above copyright
015: * notice, this list of conditions and the following disclaimer.
016: *
017: * 2. Redistributions in binary form must reproduce the above copyright
018: * notice, this list of conditions and the following disclaimer in
019: * the documentation and/or other materials provided with the
020: * distribution.
021: *
022: * 3. The end-user documentation included with the redistribution,
023: * if any, must include the following acknowledgment:
024: * "This product includes software developed by the
025: * Apache Software Foundation (http://www.apache.org/)."
026: * Alternately, this acknowledgment may appear in the software itself,
027: * if and wherever such third-party acknowledgments normally appear.
028: *
029: * 4. The names "Apache" and "Apache Software Foundation", "Jakarta-Oro"
030: * must not be used to endorse or promote products derived from this
031: * software without prior written permission. For written
032: * permission, please contact apache@apache.org.
033: *
034: * 5. Products derived from this software may not be called "Apache"
035: * or "Jakarta-Oro", nor may "Apache" or "Jakarta-Oro" appear in their
036: * name, without prior written permission of the Apache Software Foundation.
037: *
038: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
039: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
040: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
041: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
042: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
043: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
044: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
045: * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
046: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
047: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
048: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
049: * SUCH DAMAGE.
050: * ====================================================================
051: *
052: * This software consists of voluntary contributions made by many
053: * individuals on behalf of the Apache Software Foundation. For more
054: * information on the Apache Software Foundation, please see
055: * <http://www.apache.org/>.
056: */
057:
058: package examples;
059:
060: import org.apache.oro.text.regex.*;
061: import org.apache.oro.text.perl.*;
062:
063: /**
064: * This is a trivial example program demonstrating the preMatch()
065: * and postMatch() methods of Perl5Util.
066: *
067: * @version @version@
068: */
069: public final class didNotMatch {
070:
071: /**
072: * This program takes a Perl5 pattern and an input string as arguments.
073: * It prints the parts of the input surrounding the first occurrence
074: * of the pattern in the input.
075: */
076: public static final void main(String args[]) {
077: String pattern, input;
078: Perl5Util perl;
079:
080: if (args.length < 2) {
081: System.err.println("Usage: didNotMatch pattern input");
082: System.exit(1);
083: }
084:
085: pattern = args[0];
086: input = args[1];
087: perl = new Perl5Util();
088:
089: // Use a try block because we have no idea if the user will enter a valid
090: // pattern.
091: try {
092: if (perl.match(pattern, input)) {
093: System.out.println("Pre : " + perl.preMatch());
094: System.out.println("Post: " + perl.postMatch());
095: } else
096: System.err.println("There was no match.");
097: } catch (MalformedPerl5PatternException e) {
098: System.err.println("You entered an invalid pattern.");
099: System.err.println("Error: " + e.getMessage());
100: System.exit(1);
101: }
102:
103: }
104:
105: }
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