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// Tags: not-a-test
// Copyright (C) 2002, 2006 Free Software Foundation, Inc.
// Written by Mark Wielaard (mark@klomp.org)
// This file is part of Mauve.
// Mauve is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// Mauve is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Mauve; see the file COPYING. If not, write to
// the Free Software Foundation, 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA. */
package gnu.testlet.java.net.URLClassLoader;
import gnu.testlet.TestHarness;
import gnu.testlet.Testlet;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
/**
* Helper class for getResource classes that checks resources when
* URLClassLoader is set.
*/
public abstract class getResourceBase implements Testlet
{
protected TestHarness harness;
protected URLClassLoader ucl;
/**
* Checks that a resource exists in the <code>ucl</code> class loader.
* The base string gives a hint about from which URL source it should
* get loaded.
* If noncanonical is true then it also checks non canonical ways
* (using . and .. in the resource path) of accessing the resource.
*/
protected void check(String resource, String base, boolean noncanonical)
{
URL u = ucl.getResource(resource);
harness.debug(u != null ? u.toString() : null);
String sep = base.endsWith(".jar") ? "!/" : "/";
String fullpath = base + sep + resource;
String r;
if (u != null)
{
String f = u.getFile();
File file = new File(u.getFile());
// Canonize filenames. If the file is a directory, makes sure both filenames
// end with a slash
if (file.isDirectory()
&& fullpath.length() > 1
&& (fullpath.charAt(fullpath.length() - 1) != File.separator.charAt(0)))
{
fullpath = fullpath + File.separator;
}
if (file.isDirectory()
&& f.length() > 1
&& f.charAt(f.length() - 1) != File.separator.charAt(0))
{
f = f + File.separator;
}
int i = f.indexOf(fullpath);
if (i != -1)
r = f.substring(f.length() - fullpath.length());
else
r = f;
}
else
r = null;
harness.check(r, fullpath, "URL file path ends with " + fullpath);
u = ucl.getResource("no-" + resource);
harness.debug(u != null ? u.toString() : null);
harness.check(u == null, "no-" + resource);
if (noncanonical)
{
int index = resource.lastIndexOf('/');
String name, path, dir;
if (index != -1)
{
name = resource.substring(index+1);
path = resource.substring(0, index);
index = path.lastIndexOf('/');
path = path + '/';
if (index != -1)
dir = path.substring(index);
else
dir = '/' + path;
}
else
{
path = "";
name = resource;
dir = "";
}
harness.debug(" == resource='" + resource
+ "'; name='" + name
+ "'; dir='" + dir
+ "'; path='" + path + "'");
u = ucl.getResource(path + '/' + "no-" + name);
harness.debug(u != null ? u.toString() : null);
harness.check(u == null, path + '/' + "no-" + name);
u = ucl.getResource("./" + resource);
harness.debug(u != null ? u.toString() : null);
harness.check(u != null, "./" + resource);
u = ucl.getResource(path + "./" + name);
harness.debug(u != null ? u.toString() : null);
harness.check(u != null, path + "./" + name);
u = ucl.getResource(".\\" + resource);
harness.debug(u != null ? u.toString() : null);
harness.check(u == null, "no .\\" + resource);
if (!dir.equals(""))
{
u = ucl.getResource(path + ".." + dir + name);
harness.debug(u != null ? u.toString() : null);
harness.check(u != null, path + ".." + dir + name);
}
if (!path.equals(""))
{
u = ucl.getResource(path + "//" + name);
harness.debug(u != null ? u.toString() : null);
harness.check(u != null, path + "//" + name);
}
u = ucl.getResource("\\" + resource);
harness.debug(u != null ? u.toString() : null);
harness.check(u == null, "no \\" + resource);
u = ucl.getResource(":" + resource);
harness.debug(u != null ? u.toString() : null);
harness.check(u == null, "no :" + resource);
}
}
}
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