Build a relative path to the given base path
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*
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* Lesser General Public License for more details.
*
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*/
import java.io.File;
import java.io.IOException;
public class Main{
/**
* Build a relative path to the given base path.
* @param base - the path used as the base
* @param path - the path to compute relative to the base path
* @return A relative path from base to path
* @throws IOException
*/
public static String findRelativePath(String base, String path)
throws IOException
{
String a = new File(base).getCanonicalFile().toURI().getPath();
String b = new File(path).getCanonicalFile().toURI().getPath();
String[] basePaths = a.split("/");
String[] otherPaths = b.split("/");
int n = 0;
for(; n < basePaths.length && n < otherPaths.length; n ++)
{
if( basePaths[n].equals(otherPaths[n]) == false )
break;
}
System.out.println("Common length: "+n);
StringBuffer tmp = new StringBuffer("../");
for(int m = n; m < basePaths.length - 1; m ++)
tmp.append("../");
for(int m = n; m < otherPaths.length; m ++)
{
tmp.append(otherPaths[m]);
tmp.append("/");
}
return tmp.toString();
}
}
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