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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.mapping;
import java.io.Serializable;
import java.util.List;
import com.google.common.collect.Lists;
public class ClassEntry implements Entry, Serializable {
private static final long serialVersionUID = 4235460580973955811L;
private String m_name;
public ClassEntry(String className) {
if (className == null) {
throw new IllegalArgumentException("Class name cannot be null!");
}
if (className.indexOf('.') >= 0) {
throw new IllegalArgumentException("Class name must be in JVM format. ie, path/to/package/class$inner : " + className);
}
m_name = className;
if (isInnerClass() && getInnermostClassName().indexOf('/') >= 0) {
throw new IllegalArgumentException("Inner class must not have a package: " + className);
}
}
public ClassEntry(ClassEntry other) {
m_name = other.m_name;
}
@Override
public String getName() {
return m_name;
}
@Override
public String getClassName() {
return m_name;
}
@Override
public ClassEntry getClassEntry() {
return this;
}
@Override
public ClassEntry cloneToNewClass(ClassEntry classEntry) {
return classEntry;
}
@Override
public int hashCode() {
return m_name.hashCode();
}
@Override
public boolean equals(Object other) {
if (other instanceof ClassEntry) {
return equals((ClassEntry)other);
}
return false;
}
public boolean equals(ClassEntry other) {
return m_name.equals(other.m_name);
}
@Override
public String toString() {
return m_name;
}
public boolean isInnerClass() {
return m_name.lastIndexOf('$') >= 0;
}
public List<String> getClassChainNames() {
return Lists.newArrayList(m_name.split("\\$"));
}
public List<ClassEntry> getClassChain() {
List<ClassEntry> entries = Lists.newArrayList();
StringBuilder buf = new StringBuilder();
for (String name : getClassChainNames()) {
if (buf.length() > 0) {
buf.append("$");
}
buf.append(name);
entries.add(new ClassEntry(buf.toString()));
}
return entries;
}
public String getOutermostClassName() {
if (isInnerClass()) {
return m_name.substring(0, m_name.indexOf('$'));
}
return m_name;
}
public ClassEntry getOutermostClassEntry() {
return new ClassEntry(getOutermostClassName());
}
public String getOuterClassName() {
if (!isInnerClass()) {
throw new Error("This is not an inner class!");
}
return m_name.substring(0, m_name.lastIndexOf('$'));
}
public ClassEntry getOuterClassEntry() {
return new ClassEntry(getOuterClassName());
}
public String getInnermostClassName() {
if (!isInnerClass()) {
throw new Error("This is not an inner class!");
}
return m_name.substring(m_name.lastIndexOf('$') + 1);
}
public boolean isInDefaultPackage() {
return m_name.indexOf('/') < 0;
}
public String getPackageName() {
int pos = m_name.lastIndexOf('/');
if (pos > 0) {
return m_name.substring(0, pos);
}
return null;
}
public String getSimpleName() {
int pos = m_name.lastIndexOf('/');
if (pos > 0) {
return m_name.substring(pos + 1);
}
return m_name;
}
public ClassEntry buildClassEntry(List<ClassEntry> classChain) {
assert(classChain.contains(this));
StringBuilder buf = new StringBuilder();
for (ClassEntry chainEntry : classChain) {
if (buf.length() == 0) {
buf.append(chainEntry.getName());
} else {
buf.append("$");
buf.append(chainEntry.isInnerClass() ? chainEntry.getInnermostClassName() : chainEntry.getSimpleName());
}
if (chainEntry == this) {
break;
}
}
return new ClassEntry(buf.toString());
}
}
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