/*
* Copyright (c) 2004, 2005 TADA AB - Taby Sweden
* Distributed under the terms shown in the file COPYRIGHT
* found in the root folder of this project or at
* http://eng.tada.se/osprojects/COPYRIGHT.html
*/
package org.postgresql.pljava.test;
import java.io.File;
import java.util.ArrayList;
/**
* PL/Java Test harness
*
* @author Thomas Hallgren
*/
public class Path
{
public final ArrayList m_path;
public Path(String path)
{
m_path = new ArrayList();
if(path != null)
{
char pathSep = File.pathSeparatorChar;
int sep = path.indexOf(pathSep);
while(sep >= 0)
{
if(sep > 0)
this.addLast(new File(path.substring(0, sep)));
path = path.substring(sep + 1);
sep = path.indexOf(pathSep);
}
if(path.length() > 0)
this.addLast(new File(path));
}
}
public void addFirst(File dir)
{
int pos = m_path.indexOf(dir);
if(pos >= 0)
{
if(pos == 0)
return;
m_path.remove(pos);
}
m_path.add(0, dir);
}
public void addLast(File dir)
{
int pos = m_path.indexOf(dir);
if(pos >= 0)
{
if(pos == m_path.size() - 1)
return;
m_path.remove(pos);
}
m_path.add(dir);
}
public String toString()
{
int top = m_path.size();
if(top == 0)
return "";
String first = m_path.get(0).toString();
if(top == 1)
return first;
StringBuffer bld = new StringBuffer();
char pathSep = File.pathSeparatorChar;
bld.append(first);
for(int idx = 1; idx < top; ++idx)
{
bld.append(pathSep);
bld.append(m_path.get(idx));
}
return bld.toString();
}
}