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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) 1999, 2000 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 "The Jakarta Project", "Tomcat", 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.gui.ide; |
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import org.apache.tools.ant.BuildListener; |
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import org.apache.tools.ant.BuildEvent; |
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import org.apache.tools.ant.Project; |
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import java.util.StringTokenizer; |
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import java.io.File; |
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/** |
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* Abstract base class for BuildListener specializations interested |
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* in notification of build errors in source files. |
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* |
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* @version $Revision$ |
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* @author <a href="mailto:simeon@fitch.net">Simeon H.K. Fitch</a> |
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*/ |
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abstract class FileErrorNotifier implements BuildListener { |
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/** Command to run to communicate with emacs. */ |
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private static final String EMACS = "emacsclient"; |
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/** |
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* Fired whenever a message is logged. Parses error messages looking |
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* for a filename and line number specification, which when found |
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* is then sent to the method <code>fireFileErrorNotification()</code> |
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* source of the error. Only the first error is processed. |
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* |
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* @param event Incoming event that is filtered for error messages. |
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*/ |
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public void messageLogged(BuildEvent event) { |
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if(event.getPriority() == Project.MSG_ERR || |
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event.getPriority() == Project.MSG_WARN) { |
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StringTokenizer tok = new StringTokenizer(event.getMessage(), ":"); |
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File file = null; |
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int line = -1; |
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if(tok.hasMoreTokens()) { |
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file = new File(tok.nextToken()); |
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if(tok.hasMoreTokens()) { |
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try { |
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line = Integer.parseInt(tok.nextToken()); |
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} |
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catch(NumberFormatException ex) { |
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// Allow execption to fall through as we test |
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// success by the value of 'line' below. |
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} |
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} |
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} |
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// Test for successful filename and line number detection. |
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if(file != null && line > 0 && file.exists()) { |
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// Since we only want to trigger on the first error, |
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// remove ourself from being notified of others. |
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// XXX are there any reasons this should occur after |
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// notification? |
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event.getProject().removeBuildListener(this); |
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// Send notification. |
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fireFileErrorNotification(event.getProject(), file, line); |
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} |
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} |
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} |
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/** |
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* Called when a message has been logged indicating that there |
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* is an error of some sort at the given file and line number. |
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* |
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* @param file File containing the error. |
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* @param lineNum Line number of error. |
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*/ |
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protected abstract void fireFileErrorNotification( |
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Project project, File file, int lineNum); |
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// Event types that are ignored. Looks like we really need a |
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// BuildAdapter class... |
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/** Ignored */ |
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public void buildStarted(BuildEvent event) { |
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} |
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/** Ignored */ |
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public void buildFinished(BuildEvent event) { |
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} |
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/** Ignored */ |
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public void targetStarted(BuildEvent event) { |
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} |
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/** Ignored */ |
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public void targetFinished(BuildEvent event) { |
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} |
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/** Ignored */ |
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public void taskStarted(BuildEvent event) { |
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} |
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/** Ignored */ |
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public void taskFinished(BuildEvent event) { |
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} |
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} |
metasim