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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 cuchaz.enigma.TranslatingTypeLoader;
import cuchaz.enigma.analysis.JarIndex;
import cuchaz.enigma.convert.ClassNamer.SidedClassNamer;
import cuchaz.enigma.mapping.ClassEntry;
import cuchaz.enigma.mapping.Translator;
import javassist.CtClass;
import java.util.Map;
import java.util.jar.JarFile;
public class ClassIdentifier {
private JarIndex index;
private SidedClassNamer namer;
private boolean useReferences;
private TranslatingTypeLoader loader;
private Map<ClassEntry, ClassIdentity> cache;
public ClassIdentifier(JarFile jar, JarIndex index, SidedClassNamer namer, boolean useReferences) {
this.index = index;
this.namer = namer;
this.useReferences = useReferences;
this.loader = new TranslatingTypeLoader(jar, index, new Translator(), new Translator());
this.cache = Maps.newHashMap();
}
public ClassIdentity identify(ClassEntry classEntry)
throws ClassNotFoundException {
ClassIdentity identity = this.cache.get(classEntry);
if (identity == null) {
CtClass c = this.loader.loadClass(classEntry.getName());
if (c == null) {
throw new ClassNotFoundException(classEntry.getName());
}
identity = new ClassIdentity(c, this.namer, this.index, this.useReferences);
this.cache.put(classEntry, identity);
}
return identity;
}
}
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