com.jfinal.server.jetty.JFinalClassLoader Maven / Gradle / Ivy
/**
* Copyright (c) 2011-2019, James Zhan 詹波 ([email protected]).
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jfinal.server.jetty;
import java.io.File;
import java.io.IOException;
import org.eclipse.jetty.util.resource.Resource;
import org.eclipse.jetty.webapp.WebAppClassLoader;
import org.eclipse.jetty.webapp.WebAppContext;
/**
* JFinalClassLoader
*/
class JFinalClassLoader extends WebAppClassLoader {
private boolean initialized = false;
public JFinalClassLoader(WebAppContext context, String classPath) throws IOException {
super(context);
if(classPath != null){
String[] tokens = classPath.split(String.valueOf(File.pathSeparatorChar));
for(String entry : tokens){
String path = entry;
if(path.startsWith("-y-") || path.startsWith("-n-")) {
path = path.substring(3);
}
if(entry.startsWith("-n-") == false){
super.addClassPath(path);
}
}
}
initialized = true;
}
@SuppressWarnings({"unchecked", "rawtypes"})
public Class loadClass(String name) throws ClassNotFoundException {
try {
// 使用 WebAppContext.addSystemClass("sun.") 代替下面的方案更高效
// java.lang.IllegalAccessError: class sun.reflect.GeneratedConstructorAccessor2 cannot access its superclass sun.reflect.ConstructorAccessorImpl
// if (name.startsWith("sun.") || name.startsWith("com.sun.")) {
// return getParent().loadClass(name);
// }
return loadClass(name, false);
}
catch (NoClassDefFoundError e) {
throw new ClassNotFoundException(name);
}
}
public void addClassPath(String classPath) throws IOException {
if (initialized) {
if (!classPath.endsWith("WEB-INF/classes/"))
return;
}
super.addClassPath(classPath);
}
public void addJars(Resource jars) {
if (initialized) {
return;
}
super.addJars(jars);
}
}