com.hazelcast.org.codehaus.janino.ClassLoaderIClassLoader Maven / Gradle / Ivy
/*
* Janino - An embedded Java[TM] com.hazelcast.com.iler
*
* Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
* Copyright (c) 2015-2016 TIBCO Software Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
* following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
* following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other materials provided with the distribution.
* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote
* products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.hazelcast.org.codehaus.janino;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.hazelcast.org.codehaus.com.hazelcast.com.ons.nullanalysis.Nullable;
/**
* An {@link IClassLoader} that loads {@link IClass}es through a reflection {@link ClassLoader}.
*/
public
class ClassLoaderIClassLoader extends IClassLoader {
private static final Logger LOGGER = Logger.getLogger(ClassLoaderIClassLoader.class.getName());
/**
* @param classLoader The delegate that loads the classes
*/
public
ClassLoaderIClassLoader(ClassLoader classLoader) {
super(
null // optionalParentIClassLoader
);
this.classLoader = classLoader;
super.postConstruct();
}
/**
* Equivalent to
*
* ClassLoaderIClassLoader(Thread.currentThread().getContextClassLoader())
*
*/
public
ClassLoaderIClassLoader() { this(Thread.currentThread().getContextClassLoader()); }
/**
* @return The delegate {@link ClassLoader}
*/
public ClassLoader
getClassLoader() { return this.classLoader; }
@Override @Nullable protected IClass
findIClass(String descriptor) throws ClassNotFoundException {
ClassLoaderIClassLoader.LOGGER.entering(null, "findIClass", descriptor);
Class clazz;
try {
//
// See also [ 931385 ] Janino 2.0 throwing exception on arrays of java.io.File:
//
// "ClassLoader.loadClass()" and "Class.forName()" should be identical,
// but "ClassLoader.loadClass("[Ljava.lang.Object;")" throws a
// ClassNotFoundException under JDK 1.5.0 beta.
// Unclear whether this a beta version bug and SUN will fix this in the final
// release, but "Class.forName()" seems to work fine in all cases, so we
// use that.
//
// clazz = this.classLoader.loadClass(Descriptor.toClassName(descriptor));
clazz = Class.forName(Descriptor.toClassName(descriptor), false, this.classLoader);
} catch (ClassNotFoundException e) {
if (e.getException() == null) {
return null;
} else
{
throw e;
}
}
ClassLoaderIClassLoader.LOGGER.log(Level.FINE, "clazz={0}", clazz);
IClass result = new ReflectionIClass(clazz, this);
this.defineIClass(result);
return result;
}
private final ClassLoader classLoader;
}