soot.tagkit.InnerClassAttribute Maven / Gradle / Ivy
package soot.tagkit;
/*-
* #%L
* Soot - a J*va Optimization Framework
* %%
* Copyright (C) 2004 Jennifer Lhotak
* %%
* 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
* .
* #L%
*/
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Represents an inner class attribute which can be attached to implementations of Host. It can be directly used to add
* attributes to class files
*
*/
public class InnerClassAttribute implements Tag {
private ArrayList list = null;
public InnerClassAttribute() {
}
public InnerClassAttribute(ArrayList list) {
this.list = list;
}
public String getClassSpecs() {
if (list == null) {
return "";
}
StringBuffer sb = new StringBuffer();
for (InnerClassTag ict : list) {
sb.append(".inner_class_spec_attr ");
sb.append(ict.getInnerClass());
sb.append(" ");
sb.append(ict.getOuterClass());
sb.append(" ");
sb.append(ict.getShortName());
sb.append(" ");
sb.append(ict.getAccessFlags());
sb.append(" ");
sb.append(".end .inner_class_spec_attr ");
}
return sb.toString();
}
public String getName() {
return "InnerClassAttribute";
}
public byte[] getValue() throws AttributeValueException {
return new byte[1];
}
public List getSpecs() {
return list == null ? Collections.emptyList() : list;
}
public void add(InnerClassTag newt) {
if (list != null) {
String new_inner = newt.getInnerClass();
for (InnerClassTag ict : this.list) {
String inner = ict.getInnerClass();
if (new_inner.equals(inner)) {
if (ict.accessFlags != 0 && newt.accessFlags > 0 && ict.accessFlags != newt.accessFlags) {
throw new RuntimeException("Error: trying to add an InnerClassTag twice with different access flags! ("
+ ict.accessFlags + " and " + newt.accessFlags + ")");
}
if (ict.accessFlags == 0 && newt.accessFlags != 0) {
// The Dalvik parser may find an InnerClass annotation without accessFlags in the outer class
// and then an annotation with the accessFlags in the inner class.
// When we have more information about the accessFlags we update the InnerClassTag.
list.remove(ict);
list.add(newt);
}
return;
}
}
}
if (list == null) {
list = new ArrayList();
}
list.add(newt);
}
}