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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
package org.openoffice.netbeans.modules.office.utils;
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import org.openoffice.idesupport.zip.ParcelZipper;
public class PackageRemover {
private PackageRemover() {
}
public static void removeDeclaration(File source) throws IOException {
File tmp = new File(source.getAbsolutePath() + ".tmp");
BufferedReader in = new BufferedReader(new FileReader(source));
BufferedWriter out = new BufferedWriter(new FileWriter(tmp));
try {
String line;
while ((line = in.readLine()) != null) {
if (line.startsWith("package")) {
String newDeclaration = evaluate(line);
if (newDeclaration != null) {
out.write(newDeclaration, 0, newDeclaration.length());
out.newLine();
}
}
else {
out.write(line, 0, line.length());
out.newLine();
}
}
}
finally {
if (in != null) {
in.close();
}
if (out != null) {
out.close();
}
}
if (source.delete() == false) {
tmp.delete();
throw new IOException("Could not overwrite " + source);
}
else {
tmp.renameTo(source);
}
}
public static String evaluate(String line) {
int idx = line.indexOf(ParcelZipper.CONTENTS_DIRNAME);
if (idx == -1)
return line;
idx = idx + ParcelZipper.CONTENTS_DIRNAME.length();
if (line.charAt(idx) == '.')
return "package " + line.substring(idx + 1);;
return null;
}
public static void main(String[] args) {
File source = new File(args[0]);
try {
removeDeclaration(source);
}
catch (IOException ioe) {
ioe.printStackTrace();
}
}
}
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