/*
* Bytecode Analysis Framework
* Copyright (C) 2005, University of Maryland
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package edu.umd.cs.findbugs.ba.interproc;
import java.io.IOException;
import java.io.Writer;
import org.apache.bcel.Constants;
import edu.umd.cs.findbugs.ba.XFactory;
import edu.umd.cs.findbugs.ba.XMethod;
import edu.umd.cs.findbugs.classfile.DescriptorFactory;
import edu.umd.cs.findbugs.classfile.MethodDescriptor;
import edu.umd.cs.findbugs.util.ClassName;
/**
* A MethodPropertyDatabase keeps track of properties of methods. This is useful
* for implementing interprocedural analyses.
*
* @author David Hovemeyer
*/
public abstract class MethodPropertyDatabase<Property> extends PropertyDatabase<MethodDescriptor, Property> {
@Override
protected MethodDescriptor parseKey(String methodStr) throws PropertyDatabaseFormatException {
String[] tuple = methodStr.split(",");
if (tuple.length != 4) {
throw new PropertyDatabaseFormatException("Invalid method tuple: " + methodStr);
}
try {
int accessFlags = Integer.parseInt(tuple[3]);
// return
// XFactory.createMethodDescriptor(XFactory.canonicalizeString(tuple[0]),
// XFactory.canonicalizeString( tuple[1]),
// XFactory.canonicalizeString(tuple[2]), accessFlags);
String className = XFactory.canonicalizeString(tuple[0]);
String methodName = XFactory.canonicalizeString(tuple[1]);
String methodSig = XFactory.canonicalizeString(tuple[2]);
return DescriptorFactory.instance().getMethodDescriptor(ClassName.toSlashedClassName(className), methodName,
methodSig, (accessFlags & Constants.ACC_STATIC) != 0);
} catch (NumberFormatException e) {
return null;
}
}
@Override
protected void writeKey(Writer writer, MethodDescriptor method) throws IOException {
writer.write(method.getClassDescriptor().toDottedClassName());
writer.write(",");
writer.write(method.getName());
writer.write(",");
writer.write(method.getSignature());
writer.write(",");
XMethod xMethod = XFactory.createXMethod(method);
writer.write(Integer.toString(xMethod.getAccessFlags() & 0xf));
}
}