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/*******************************************************************************
* Copyright (c) 2004 - 2006 University Of British Columbia and others.
* 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:
* University Of British Columbia - initial API and implementation
*******************************************************************************/
package org.eclipse.mylar.internal.tasklist;
public class RelativePathUtil {
public static String findRelativePath(String baseDirectory, String filePath) {
if (filePath.startsWith(baseDirectory)) {
return filePath.substring(baseDirectory.length(), filePath.lastIndexOf('.'));
} else {
StringBuffer result = new StringBuffer(filePath.length());
String[] rootFolders = baseDirectory.split("/");
String[] pathFolders = filePath.split("/");
int diff = 0;
for (int i = 0; i < pathFolders.length; i++) {
if (!rootFolders[i].equals(pathFolders[i])) {
diff = i;
while (i < rootFolders.length) {
result.append('.');
result.append('.');
result.append('/');
i++;
}
while (diff < pathFolders.length - 1) {
result.append(pathFolders[diff]);
diff++;
}
result.append(pathFolders[diff].substring(0, pathFolders[diff].lastIndexOf('.')));
}
}
return result.toString();
}
}
}
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