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* The Apache Software License, Version 1.1
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* 3. The end-user documentation included with the redistribution, if
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* any, must include the following acknowlegement:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowlegement may appear in the software itself,
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* if and wherever such third-party acknowlegements normally appear.
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* 4. The names "The Jakarta Project", "Ant", and "Apache Software
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* Foundation" must not be used to endorse or promote products derived
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* from this software without prior written permission. For written
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* permission, please contact apache@apache.org.
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* 5. Products derived from this software may not be called "Apache"
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* nor may "Apache" appear in their names without prior written
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* permission of the Apache Group.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* ====================================================================
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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package org.apache.tools.ant.util.regexp;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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import java.util.regex.PatternSyntaxException;
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import org.apache.tools.ant.BuildException;
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import java.util.Vector;
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* Implementation of RegexpMatcher for the built-in regexp matcher of
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* @author <a href="mailto:stefan.bodewig@epost.de">Stefan Bodewig</a>
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public class Jdk14RegexpMatcher implements RegexpMatcher {
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private Pattern pattern;
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* Set the regexp pattern from the String description.
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public void setPattern(String pattern) throws BuildException {
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this.pattern = Pattern.compile(pattern);
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} catch (PatternSyntaxException e) {
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throw new BuildException(e);
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* Get a String representation of the regexp pattern
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public String getPattern() {
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return pattern.pattern();
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* Does the given argument match the pattern?
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public boolean matches(String argument) {
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return pattern.matcher(argument).find();
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* Returns a Vector of matched groups found in the argument.
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* <p>Group 0 will be the full match, the rest are the
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* parenthesized subexpressions</p>.
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public Vector getGroups(String argument) {
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Matcher matcher = pattern.matcher(argument);
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if (!matcher.find()) {
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Vector v = new Vector();
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for (int i=0; i<=matcher.groupCount(); i++) {
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v.addElement(matcher.group(i));