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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.convert;
import com.google.common.collect.Maps;
import java.util.Map;
import java.util.jar.JarFile;
import cuchaz.enigma.TranslatingTypeLoader;
import cuchaz.enigma.analysis.JarIndex;
import cuchaz.enigma.convert.ClassNamer.SidedClassNamer;
import cuchaz.enigma.mapping.ClassEntry;
import javassist.CtClass;
public class ClassIdentifier {
private JarIndex m_index;
private SidedClassNamer m_namer;
private boolean m_useReferences;
private TranslatingTypeLoader m_loader;
private Map<ClassEntry, ClassIdentity> m_cache;
public ClassIdentifier(JarFile jar, JarIndex index, SidedClassNamer namer, boolean useReferences) {
m_index = index;
m_namer = namer;
m_useReferences = useReferences;
m_loader = new TranslatingTypeLoader(jar, index);
m_cache = Maps.newHashMap();
}
public ClassIdentity identify(ClassEntry classEntry)
throws ClassNotFoundException {
ClassIdentity identity = m_cache.get(classEntry);
if (identity == null) {
CtClass c = m_loader.loadClass(classEntry.getName());
if (c == null) {
throw new ClassNotFoundException(classEntry.getName());
}
identity = new ClassIdentity(c, m_namer, m_index, m_useReferences);
m_cache.put(classEntry, identity);
}
return identity;
}
}
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