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/*
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2002 The Apache Software Foundation. All rights
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* reserved.
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*
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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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* are met:
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*
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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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*
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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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* distribution.
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*
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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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*
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* 4. The names "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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*
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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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*
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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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* SUCH DAMAGE.
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* ====================================================================
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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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*/
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package org.apache.tools.ant.taskdefs.optional.metamata;
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import java.io.File;
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import java.util.Vector;
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import org.apache.tools.ant.util.StringUtils;
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import org.apache.tools.ant.util.regexp.RegexpMatcher;
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import org.apache.tools.ant.util.regexp.RegexpMatcherFactory;
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/**
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* Parser that will parse an output line of MAudit and return an
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* interpreted violation if any.
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*
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* <p>
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* MAudit is supposed to be configured with -fullpath so that it can
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* correctly locate the file and attribute violation to the appropriate
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* file (there might be several classes with the same name in
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* different packages)
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* </p>
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*
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* @author <a href="mailto:sbailliez@apache.org">Stephane Bailliez</a>
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*/
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final class MAuditParser {
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/** pattern used by maudit to report the error for a file */
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/** RE does not seems to support regexp pattern with comments so i'm stripping it*/
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// (?:file:)?((?#filepath).+):((?#line)\\d+)\\s*:\\s+((?#message).*)
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private static final String AUDIT_PATTERN = "(?:file:)?(.+):(\\d+)\\s*:\\s+(.*)";
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/** matcher that will be used to extract the info from the line */
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private final RegexpMatcher matcher;
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MAuditParser(){
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/** the matcher should be the Oro one. I don't know about the other one */
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matcher = (new RegexpMatcherFactory()).newRegexpMatcher();
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matcher.setPattern(AUDIT_PATTERN);
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}
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/**
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* Parse a line obtained from MAudit.
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* @param line a line obtained from the MAudit output.
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* @return the violation corresponding to the displayed line
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* or <tt>null</tt> if it could not parse it. (might be a
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* message info or copyright or summary).
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*/
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Violation parseLine(String line){
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Vector matches = matcher.getGroups(line);
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if (matches == null){
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return null;
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}
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final String file = (String) matches.elementAt(1);
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Violation violation = new Violation();
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violation.file = file;
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violation.line = (String) matches.elementAt(2);
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violation.error = (String) matches.elementAt(3);
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// remove the pathname from any messages and let the classname only.
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final int pos = file.lastIndexOf(File.separatorChar);
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if ((pos != -1) && (pos != file.length() - 1)) {
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String filename = file.substring(pos + 1);
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violation.error = StringUtils.replace(violation.error,
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"file:" + file, filename);
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}
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return violation;
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}
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/** the inner class used to report violation information */
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static final class Violation {
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String file;
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String line;
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String error;
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}
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}
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