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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.tools.apk.analyzer.dex.tree;
import com.android.annotations.NonNull;
import com.android.annotations.Nullable;
import com.android.tools.proguard.ProguardMap;
import com.android.tools.proguard.ProguardSeedsMap;
import com.android.tools.smali.dexlib2.iface.reference.Reference;
import com.android.tools.smali.dexlib2.immutable.reference.ImmutableReference;
import java.util.Comparator;
import java.util.List;
import javax.swing.tree.DefaultMutableTreeNode;
public abstract class DexElementNode extends DefaultMutableTreeNode {
@NonNull private final String name;
@Nullable private final ImmutableReference reference;
private boolean defined;
private boolean removed;
private int methodReferencesCount;
private int methodDefinitionsCount;
DexElementNode(@NonNull String name, boolean allowsChildren) {
this(name, allowsChildren, null);
}
DexElementNode(
@NonNull String name, boolean allowsChildren, @Nullable ImmutableReference reference) {
super(null, allowsChildren);
this.name = name;
this.reference = reference;
}
@NonNull
public String getName() {
return name;
}
@Nullable
public Reference getReference() {
return reference;
}
@Override
public DexElementNode getChildAt(int i) {
return (DexElementNode) super.getChildAt(i);
}
public void sort(Comparator<DexElementNode> comparator) {
for (int i = 0; i < getChildCount(); i++) {
DexElementNode node = getChildAt(i);
node.sort(comparator);
}
if (children != null) {
// As of JDK 11 DefaultMutableTreeNode.children has generic type Vector<TreeNode>
// so its value can't be assigned directly to a Vector<DexElementNode> variable.
// Instead here it is safely cast to raw superclass List and assigned unchecked
// to a List<DexElementNode> variable.
@SuppressWarnings({"unchecked", "rawtypes"})
List<DexElementNode> childrenList = (List) children;
childrenList.sort(comparator);
}
}
@Nullable
public <T extends DexElementNode> T getChildByType(@NonNull String name, Class<T> type) {
for (int i = 0; i < getChildCount(); i++) {
DexElementNode node = getChildAt(i);
if (name.equals(node.getName()) && type.equals(node.getClass())) {
return (T) node;
}
}
return null;
}
public boolean isSeed(
@Nullable ProguardSeedsMap seedsMap, @Nullable ProguardMap map, boolean checkChildren) {
if (seedsMap != null && checkChildren) {
for (int i = 0, n = getChildCount(); i < n; i++) {
DexElementNode node = getChildAt(i);
if (node.isSeed(seedsMap, map, checkChildren)) {
return true;
}
}
}
return false;
}
@Override
public DexElementNode getParent() {
return (DexElementNode) super.getParent();
}
public void update() {
for (int i = 0, n = getChildCount(); i < n; i++) {
DexElementNode node = getChildAt(i);
node.update();
}
}
protected static String combine(@NonNull String parentPackage, @NonNull String childName) {
return parentPackage.isEmpty() ? childName : parentPackage + "." + childName;
}
public boolean isDefined() {
return defined;
}
public void setDefined(boolean defined) {
this.defined = defined;
}
public boolean isRemoved() {
return removed;
}
public void setRemoved(boolean removed) {
this.removed = removed;
}
public int getMethodReferencesCount() {
return methodReferencesCount;
}
protected void setMethodReferencesCount(int methodReferencesCount) {
this.methodReferencesCount = methodReferencesCount;
}
public int getMethodDefinitionsCount() {
return methodDefinitionsCount;
}
protected void setMethodDefinitionsCount(int methodDefinitionsCount) {
this.methodDefinitionsCount = methodDefinitionsCount;
}
/**
* Returns the private size of this dex node, i.e. size that can not shared with other nodes.
* Example of shared size that is not included in this value: strings in the string pool,
* annotation sets.
*
* @return private size of node in bytes
*/
public abstract long getSize();
}
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