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JavaClassProvider.java
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85 lines (75 loc) · 2.76 KB
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package soot;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2004 Ondrej Lhotak
* %%
* This program 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 program 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 General Lesser Public License for more details.
*
* You should have received a copy of the GNU General Lesser Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/lgpl-2.1.html>.
* #L%
*/
import soot.options.Options;
/**
* A class provider looks for a file of a specific format for a specified class, and returns a ClassSource for it if it finds
* it.
*/
public class JavaClassProvider implements ClassProvider {
public static class JarException extends RuntimeException {
private static final long serialVersionUID = 1L;
public JarException(String className) {
super("Class " + className
+ " was found in an archive, but Soot doesn't support reading source files out of an archive");
}
}
/**
* Look for the specified class. Return a ClassSource for it if found, or null if it was not found.
*/
@Override
public ClassSource find(String className) {
if (Options.v().polyglot() && soot.javaToJimple.InitialResolver.v().hasASTForSootName(className)) {
soot.javaToJimple.InitialResolver.v().setASTForSootName(className);
return new JavaClassSource(className);
} else { // jastAdd; or polyglot AST not yet produced
/*
* 04.04.2006 mbatch if there is a $ in the name, we need to check if it's a real file, not just inner class
*/
boolean checkAgain = className.indexOf('$') >= 0;
IFoundFile file = null;
try {
final SourceLocator loc = SourceLocator.v();
String javaClassName = loc.getSourceForClass(className);
file = loc.lookupInClassPath(javaClassName.replace('.', '/') + ".java");
/*
* 04.04.2006 mbatch if inner class not found, check if it's a real file
*/
if (file == null && checkAgain) {
file = loc.lookupInClassPath(className.replace('.', '/') + ".java");
}
/* 04.04.2006 mbatch end */
if (file == null) {
return null;
}
if (file.isZipFile()) {
throw new JarException(className);
}
return new JavaClassSource(className, file.getFile());
} finally {
if (file != null) {
file.close();
}
}
}
}
}