/*
**** BEGIN LICENSE BLOCK *****
* Version: CPL 1.0/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Common Public
* License Version 1.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.eclipse.org/legal/cpl-v10.html
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* Copyright (C) 2007 JRuby Community
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the CPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the CPL, the GPL or the LGPL.
***** END LICENSE BLOCK *****/
package org.jruby.ext;
import java.io.IOException;
import org.jruby.Ruby;
import org.jruby.exceptions.RaiseException;
import org.jruby.runtime.load.Library;
public class LateLoadingLibrary implements Library {
private final String libraryName;
private final String className;
private ClassLoader classLoader;
public LateLoadingLibrary(String libraryName, String className, ClassLoader classLoader) {
this.libraryName = libraryName;
this.className = className;
this.classLoader = classLoader;
}
public synchronized void load(Ruby runtime, boolean wrap) throws IOException {
try {
if (classLoader == null && Ruby.isSecurityRestricted()) {
classLoader = runtime.getInstanceConfig().getLoader();
}
Library library = (Library) classLoader.loadClass(className).newInstance();
library.load(runtime, wrap);
} catch (RaiseException re) {
throw re;
} catch (Throwable e) {
e.printStackTrace();
throw runtime.newLoadError("library `" + libraryName + "' could not be loaded: " + e);
}
}
}