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AsmJava9ClassProvider.java
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68 lines (62 loc) · 2.19 KB
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/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 1997 - 2014 Raja Vallee-Rai and others
* %%
* 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%
*/
package soot.asm;
import java.io.IOException;
import java.nio.file.DirectoryStream;
import java.nio.file.FileSystemNotFoundException;
import java.nio.file.Files;
import java.nio.file.Path;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import soot.ClassProvider;
import soot.ClassSource;
import soot.IFoundFile;
import soot.ModulePathSourceLocator;
/**
* Objectweb ASM class provider.
*
* @author Andreas Dann
*/
public class AsmJava9ClassProvider implements ClassProvider {
private static final Logger logger = LoggerFactory.getLogger(AsmJava9ClassProvider.class);
@Override
public ClassSource find(String cls) {
final String clsFile = cls.replace('.', '/') + ".class";
// here we go through all modules, since we are in classpath mode
IFoundFile file = null;
Path p = ModulePathSourceLocator.getRootModulesPathOfJDK();
try (DirectoryStream<Path> stream = Files.newDirectoryStream(p)) {
for (Path entry : stream) {
// check each module folder for the class
file = ModulePathSourceLocator.v().lookUpInVirtualFileSystem(entry, clsFile);
if (file != null) {
break;
}
}
} catch (FileSystemNotFoundException ex) {
logger.debug("Could not read my modules (perhaps not Java 9?).");
} catch (IOException e) {
logger.debug(e.getMessage(), e);
}
return file == null ? null : new AsmClassSource(cls, file);
}
}