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/*******************************************************************************
* Copyright (c) 2004, 2007 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.jdk.core.text;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.net.URLClassLoader;
import java.util.Collection;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.regex.Pattern;
import javax.xml.parsers.ParserConfigurationException;
import org.eclipse.osee.framework.jdk.core.text.change.ChangeSet;
import org.eclipse.osee.framework.jdk.core.util.Lib;
/**
* @author Ryan D. Brooks
*/
public abstract class Rule {
private String outExtension;
private String currentOutfileName;
private File inputFile;
private String subdirectoryName;
private Pattern fileNamePattern;
protected boolean ruleWasApplicable;
protected Logger logger;
public Rule() {
this("done");
}
public Rule(String outExtension) {
this.outExtension = outExtension;
this.ruleWasApplicable = false;
logger = Logger.getLogger(this.getClass().getName());
logger.setLevel(Level.ALL);
this.subdirectoryName = null;
}
public abstract ChangeSet computeChanges(CharSequence seq);
public void process(Collection<File> list) {
for (File file : list) {
try {
process(file);
} catch (Exception ex) {
System.out.println(currentOutfileName + ": " + ex.getMessage());
}
}
}
public void process(File file) throws IOException {
if (file.isDirectory()) {
List<File> files = Lib.recursivelyListFiles(file, fileNamePattern);
for (File aFile : files) {
try {
process(aFile);
} catch (Exception ex) {
System.out.println(currentOutfileName + ": " + ex.getMessage());
}
}
} else {
inputFile = file;
process(file, getResultFile(file));
}
}
public void process(File inFile, File outFile) throws IOException {
File subdirectory;
if (subdirectoryName != null) {
File parent = outFile.getParentFile();
subdirectory = new File(parent, subdirectoryName);
subdirectory.mkdir();
outFile = new File(subdirectory, outFile.getName());
}
this.currentOutfileName = outFile.getName();
if (inFile.exists()) {
RulesLogHandler handler = null;
ChangeSet changeSet = null;
try {
handler = new RulesLogHandler(new File(Lib.changeExtension(outFile.getPath(), "xml")));
logger.addHandler(handler);
ruleWasApplicable = false;
changeSet = computeChanges(Lib.fileToCharBuffer(inFile));
} catch (ParserConfigurationException ex) {
logger.log(Level.SEVERE, ex.toString(), ex);
} finally {
if (handler != null) {
handler.close();
logger.removeHandler(handler);
}
}
if (ruleWasApplicable) {
if (subdirectoryName == null) {
System.out.println("Rule was applied to " + currentOutfileName);
} else
System.out.println("Rule was applied to " + subdirectoryName + currentOutfileName);
if (changeSet != null) changeSet.applyChanges(outFile);
}
// else {
// System.out.println("Not applicable to " + currentFileName);
// }
} else {
System.out.println("The file " + inFile + " does not exist!");
}
}
protected File getResultFile(File file) {
if (outExtension == null) {
return file;
}
return new File(Lib.removeExtension(file.getPath()) + "." + outExtension);
}
public static void main(String[] args) throws Exception {
if (args.length < 3) {
System.out.println("Usage: " + Rule.class.getName() + " <ruleClassPath> <ruleClass> <file list>");
return;
}
String ruleName = args[1];
String classPath = args[0];
try {
URLClassLoader classLoader = new URLClassLoader(new URL[] {Lib.getUrlFromString(classPath)});
System.out.println("class path: " + classLoader.getURLs()[0]);
Object obj = classLoader.loadClass(ruleName).newInstance();
if (obj instanceof org.eclipse.osee.framework.jdk.core.text.Rule) {
Rule rule = (Rule) obj;
for (int i = 2; i < args.length; i++) {
try {
rule.process(new File(args[i]));
} catch (Exception ex) {
System.out.println("Exception in Rule!!! " + rule.currentOutfileName + ": " + ex.getMessage());
ex.printStackTrace();
}
}
} else {
throw new IllegalArgumentException(ruleName + " is not of type text.Rule.");
}
} catch (InstantiationException ex) {
System.out.println(ex);
} catch (IllegalAccessException ex) {
System.out.println(ex);
} catch (ClassNotFoundException ex) {
System.out.println(ex);
}
}
public boolean ruleWasApplicable() {
return ruleWasApplicable;
}
/**
* @return Returns the currentFileName.
*/
public String getCurrentOutfileName() {
return currentOutfileName;
}
/**
* @param ruleWasApplicable The ruleWasApplicable to set.
*/
public void setRuleWasApplicable(boolean ruleWasApplicable) {
this.ruleWasApplicable = ruleWasApplicable;
}
public File getInputFile() {
return inputFile;
}
public void setSubdirectoryNameToPlaceResultFilesIn(String subdirectoryName) {
this.subdirectoryName = subdirectoryName;
}
public void setFileNamePattern(Pattern fileNamePattern) {
this.fileNamePattern = fileNamePattern;
}
}
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