001 /***************************************************************************** 002 * Copyright (C) NanoContainer Organization. All rights reserved. * 003 * ------------------------------------------------------------------------- * 004 * The software in this package is published under the terms of the BSD * 005 * style license a copy of which has been included with this distribution in * 006 * the LICENSE.txt file. * 007 * * 008 *****************************************************************************/ 009 010 package org.nanocontainer.script; 011 012 import org.nanocontainer.ClassPathElement; 013 import org.nanocontainer.NanoContainer; 014 015 import java.net.URL; 016 import java.net.MalformedURLException; 017 import java.security.AccessController; 018 import java.security.PrivilegedAction; 019 import java.io.File; 020 021 public class ClassPathElementHelper { 022 public static final String HTTP = "http://"; 023 024 public static ClassPathElement addClassPathElement(final String path, NanoContainer nanoContainer) { 025 URL pathURL = null; 026 try { 027 if (path.toLowerCase().startsWith(HTTP)) { 028 pathURL = new URL(path); 029 } else { 030 Object rVal = AccessController.doPrivileged(new PrivilegedAction() { 031 public Object run() { 032 try { 033 File file = new File(path); 034 if (!file.exists()) { 035 return new NanoContainerMarkupException("classpath '" + path + "' does not exist "); 036 } 037 return file.toURL(); 038 } catch (MalformedURLException e) { 039 return e; 040 } 041 042 } 043 }); 044 if (rVal instanceof MalformedURLException) { 045 throw (MalformedURLException) rVal; 046 } 047 if (rVal instanceof NanoContainerMarkupException) { 048 throw (NanoContainerMarkupException) rVal; 049 } 050 pathURL = (URL) rVal; 051 } 052 } catch (MalformedURLException e) { 053 throw new NanoContainerMarkupException("classpath '" + path + "' malformed ", e); 054 } 055 return nanoContainer.addClassLoaderURL(pathURL); 056 } 057 }