/*
* JBoss, Home of Professional Open Source.
* Copyright 2013, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.capedwarf.bytecode.blacklist;
import java.util.Arrays;
import java.util.List;
import java.util.Set;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.SetMultimap;
import javassist.bytecode.Bytecode;
import javassist.bytecode.CodeIterator;
import javassist.bytecode.Descriptor;
/**
* Reflection access.
*
* @author <a href="mailto:ales.justin@jboss.org">Ales Justin</a>
*/
class ReflectionLineRewriter extends AbstractLineRewriter {
private static final SetMultimap<String, String> interceptedMethods;
static {
List<String> fieldMethods = Arrays.asList(
"get",
"getBoolean",
"getByte",
"getChar",
"getDouble",
"getFloat",
"getInt",
"getLong",
"getShort",
"set",
"setBoolean",
"setByte",
"setChar",
"setDouble",
"setFloat",
"setInt",
"setLong",
"setShort"
);
interceptedMethods = HashMultimap.create();
interceptedMethods.put("java.lang.reflect.Method", "invoke");
interceptedMethods.putAll("java.lang.reflect.Field", fieldMethods);
interceptedMethods.put("java.lang.reflect.Constructor", "newInstance");
interceptedMethods.put("java.lang.Class", "newInstance");
}
public int visit(LineContext context) throws Exception {
String className = context.getClassName();
Set<String> methods = interceptedMethods.get(className);
if (methods != null && methods.isEmpty() == false) {
String name = getName(context.getConstPool(), context.getVal());
if (name != null && methods.contains(name)) {
Bytecode bytecode = new Bytecode(context.getConstPool());
String desc = getDesc(context.getConstPool(), context.getVal());
if (context.getOp() == CodeIterator.INVOKEVIRTUAL) {
desc = Descriptor.insertParameter(className, desc);
}
bytecode.addInvokestatic(Restrictions.class.getName(), name, desc);
context.write(bytecode);
}
}
return 0;
}
}