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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.analysis;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import javassist.bytecode.Descriptor;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Lists;
import com.google.common.collect.Maps;
import com.google.common.collect.Multimap;
public class TranslationIndex implements Serializable {
private static final long serialVersionUID = 738687982126844179L;
private Map<String,String> m_superclasses;
private Multimap<String,String> m_fields;
public TranslationIndex() {
m_superclasses = Maps.newHashMap();
m_fields = HashMultimap.create();
}
public TranslationIndex(TranslationIndex other) {
m_superclasses = Maps.newHashMap(other.m_superclasses);
m_fields = HashMultimap.create(other.m_fields);
}
public void addSuperclass(String className, String superclassName) {
className = Descriptor.toJvmName(className);
superclassName = Descriptor.toJvmName(superclassName);
if (className.equals(superclassName)) {
throw new IllegalArgumentException("Class cannot be its own superclass! " + className);
}
if (!isJre(className) && !isJre(superclassName)) {
m_superclasses.put(className, superclassName);
}
}
public void addField(String className, String fieldName) {
m_fields.put(className, fieldName);
}
public void renameClasses(Map<String,String> renames) {
EntryRenamer.renameClassesInMap(renames, m_superclasses);
EntryRenamer.renameClassesInMultimap(renames, m_fields);
}
public String getSuperclassName(String className) {
return m_superclasses.get(className);
}
public List<String> getAncestry(String className) {
List<String> ancestors = new ArrayList<String>();
while (className != null) {
className = getSuperclassName(className);
if (className != null) {
ancestors.add(className);
}
}
return ancestors;
}
public List<String> getSubclassNames(String className) {
// linear search is fast enough for now
List<String> subclasses = Lists.newArrayList();
for (Map.Entry<String,String> entry : m_superclasses.entrySet()) {
String subclass = entry.getKey();
String superclass = entry.getValue();
if (className.equals(superclass)) {
subclasses.add(subclass);
}
}
return subclasses;
}
public void getSubclassNamesRecursively(Set<String> out, String className) {
for (String subclassName : getSubclassNames(className)) {
out.add(subclassName);
getSubclassNamesRecursively(out, subclassName);
}
}
public boolean containsField(String className, String fieldName) {
return m_fields.containsEntry(className, fieldName);
}
private boolean isJre(String className) {
return className.startsWith("java/") || className.startsWith("javax/");
}
}
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