baksmali/Adaptors/ClassDefinition.java

/*
 * [The "BSD licence"]
 * Copyright (c) 2009 Ben Gruver
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.jf.baksmali.Adaptors;

import org.jf.dexlib.EncodedValue.EncodedValue;
import org.jf.dexlib.*;
import org.jf.dexlib.Util.AccessFlags;

import java.util.*;

public class ClassDefinition {
    private ClassDefItem classDefItem;
    private ClassDataItem classDataItem;

    private HashMap<Integer, AnnotationSetItem> methodAnnotations = new HashMap<Integer, AnnotationSetItem>();
    private HashMap<Integer, AnnotationSetItem> fieldAnnotations = new HashMap<Integer, AnnotationSetItem>();
    private HashMap<Integer, AnnotationSetRefList> parameterAnnotations = new HashMap<Integer, AnnotationSetRefList>();

    public ClassDefinition(ClassDefItem classDefItem) {
        this.classDefItem = classDefItem;
        this.classDataItem = classDefItem.getClassData();
        buildAnnotationMaps();
    }

    private void buildAnnotationMaps() {
        AnnotationDirectoryItem annotationDirectory = classDefItem.getAnnotationDirectory();
        if (annotationDirectory == null) {
            return;
        }

        List<AnnotationDirectoryItem.MethodAnnotation> methodAnnotationList = annotationDirectory.getMethodAnnotations();
        if (methodAnnotationList != null) {
            for (AnnotationDirectoryItem.MethodAnnotation methodAnnotation: methodAnnotationList) {
                methodAnnotations.put(methodAnnotation.getMethod().getIndex(), methodAnnotation.getAnnotationSet());
            }
        }

        List<AnnotationDirectoryItem.FieldAnnotation> fieldAnnotationList = annotationDirectory.getFieldAnnotations();
        if (fieldAnnotationList != null) {
            for (AnnotationDirectoryItem.FieldAnnotation fieldAnnotation: fieldAnnotationList) {
                fieldAnnotations.put(fieldAnnotation.getField().getIndex(), fieldAnnotation.getAnnotationSet());
            }
        }

        List<AnnotationDirectoryItem.ParameterAnnotation> parameterAnnotationList =
                annotationDirectory.getParameterAnnotations();
        if (parameterAnnotationList != null) {
            for (AnnotationDirectoryItem.ParameterAnnotation parameterAnnotation: parameterAnnotationList) {
                parameterAnnotations.put(parameterAnnotation.getMethod().getIndex(), parameterAnnotation.getParameterAnnotations());
            }
        }
    }

    public List<String> getAccessFlags() {
        List<String> accessFlags = new ArrayList<String>();

        for (AccessFlags accessFlag: AccessFlags.getAccessFlagsForClass(classDefItem.getAccessFlags())) {
            accessFlags.add(accessFlag.toString());
        }

        return accessFlags;
    }

    public String getClassType() {
        return classDefItem.getClassType().getTypeDescriptor();
    }

    public String getSuperType() {
        return classDefItem.getSuperclass().getTypeDescriptor();
    }

    public String getSourceFile() {
        return classDefItem.getSourceFile();
    }

    public List<String> getInterfaces() {
        List<String> interfaces = new ArrayList<String>();

        List<TypeIdItem> interfaceList = classDefItem.getInterfaces();

        if (interfaceList != null) {
            for (TypeIdItem typeIdItem: interfaceList) {
                interfaces.add(typeIdItem.getTypeDescriptor());
            }
        }

        return interfaces;
    }

    public List<FieldDefinition> getStaticFields() {
        List<FieldDefinition> staticFields = new ArrayList<FieldDefinition>();

        if (classDataItem != null) {

            EncodedArrayItem encodedStaticInitializers = classDefItem.getStaticInitializers();

            List<EncodedValue> staticInitializers;
            if (encodedStaticInitializers != null) {
                staticInitializers = encodedStaticInitializers.getEncodedArray().getValues();
            } else {
                staticInitializers = new ArrayList<EncodedValue>();
            }

            int i=0;
            for (ClassDataItem.EncodedField field: classDataItem.getStaticFields()) {
                EncodedValue encodedValue = null;
                if (i < staticInitializers.size()) {
                    encodedValue = staticInitializers.get(i);
                }
                AnnotationSetItem annotationSet = fieldAnnotations.get(field.getField().getIndex());
                staticFields.add(new FieldDefinition(field, encodedValue, annotationSet));
                i++;
            }
        }
        return staticFields;
    }

    public List<FieldDefinition> getInstanceFields() {
        List<FieldDefinition> instanceFields = new ArrayList<FieldDefinition>();

        if (classDataItem != null) {
            for (ClassDataItem.EncodedField field: classDataItem.getInstanceFields()) {
                AnnotationSetItem annotationSet = fieldAnnotations.get(field.getField().getIndex());
                instanceFields.add(new FieldDefinition(field, annotationSet));
            }
        }

        return instanceFields;
    }

    public List<MethodDefinition> getDirectMethods() {
        List<MethodDefinition> directMethods = new ArrayList<MethodDefinition>();

        if (classDataItem != null) {
            for (ClassDataItem.EncodedMethod method: classDataItem.getDirectMethods()) {
                AnnotationSetItem annotationSet = methodAnnotations.get(method.getMethod().getIndex());
                AnnotationSetRefList parameterAnnotationList = parameterAnnotations.get(method.getMethod().getIndex());
                directMethods.add(new MethodDefinition(method, annotationSet, parameterAnnotationList));
            }
        }

        return directMethods;
    }

    public List<MethodDefinition> getVirtualMethods() {
        List<MethodDefinition> virtualMethods = new ArrayList<MethodDefinition>();

        if (classDataItem != null) {
            for (ClassDataItem.EncodedMethod method: classDataItem.getVirtualMethods()) {
                AnnotationSetItem annotationSet = methodAnnotations.get(method.getMethod().getIndex());
                AnnotationSetRefList parameterAnnotationList = parameterAnnotations.get(method.getMethod().getIndex());
                virtualMethods.add(new MethodDefinition(method, annotationSet, parameterAnnotationList));
            }
        }

        return virtualMethods;
    }

    public List<AnnotationAdaptor> getAnnotations() {
        AnnotationDirectoryItem annotationDirectory = classDefItem.getAnnotationDirectory();
        if (annotationDirectory == null) {
            return null;
        }

        AnnotationSetItem annotationSet = annotationDirectory.getClassAnnotations();
        if (annotationSet == null) {
            return null;
        }

        List<AnnotationAdaptor> annotationAdaptors = new ArrayList<AnnotationAdaptor>();

        for (AnnotationItem annotationItem: annotationSet.getAnnotationItems()) {
            annotationAdaptors.add(new AnnotationAdaptor(annotationItem));
        }
        return annotationAdaptors;
    }
}