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      1 /*
      2  * Copyright 2013, Google Inc.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are
      7  * met:
      8  *
      9  *     * Redistributions of source code must retain the above copyright
     10  * notice, this list of conditions and the following disclaimer.
     11  *     * Redistributions in binary form must reproduce the above
     12  * copyright notice, this list of conditions and the following disclaimer
     13  * in the documentation and/or other materials provided with the
     14  * distribution.
     15  *     * Neither the name of Google Inc. nor the names of its
     16  * contributors may be used to endorse or promote products derived from
     17  * this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 package org.jf.dexlib2.writer.builder;
     33 
     34 import com.google.common.base.Functions;
     35 import com.google.common.collect.*;
     36 import org.jf.dexlib2.base.reference.BaseTypeReference;
     37 import org.jf.dexlib2.iface.ClassDef;
     38 import org.jf.dexlib2.util.FieldUtil;
     39 import org.jf.dexlib2.util.MethodUtil;
     40 import org.jf.dexlib2.writer.DexWriter;
     41 
     42 import javax.annotation.Nonnull;
     43 import javax.annotation.Nullable;
     44 import java.util.*;
     45 
     46 public class BuilderClassDef extends BaseTypeReference implements ClassDef {
     47     @Nonnull final BuilderTypeReference type;
     48     final int accessFlags;
     49     @Nullable final BuilderTypeReference superclass;
     50     @Nonnull final BuilderTypeList interfaces;
     51     @Nullable final BuilderStringReference sourceFile;
     52     @Nonnull final BuilderAnnotationSet annotations;
     53     @Nonnull final SortedSet<BuilderField> staticFields;
     54     @Nonnull final SortedSet<BuilderField> instanceFields;
     55     @Nonnull final SortedSet<BuilderMethod> directMethods;
     56     @Nonnull final SortedSet<BuilderMethod> virtualMethods;
     57 
     58     int classDefIndex = DexWriter.NO_INDEX;
     59     int encodedArrayOffset = DexWriter.NO_OFFSET;
     60     int annotationDirectoryOffset = DexWriter.NO_OFFSET;
     61 
     62     BuilderClassDef(@Nonnull BuilderTypeReference type,
     63                     int accessFlags,
     64                     @Nullable BuilderTypeReference superclass,
     65                     @Nonnull BuilderTypeList interfaces,
     66                     @Nullable BuilderStringReference sourceFile,
     67                     @Nonnull BuilderAnnotationSet annotations,
     68                     @Nullable Iterable<? extends BuilderField> fields,
     69                     @Nullable Iterable<? extends BuilderMethod> methods) {
     70         if (fields == null) {
     71             fields = ImmutableList.of();
     72         }
     73         if (methods == null) {
     74             methods = ImmutableList.of();
     75         }
     76 
     77         this.type = type;
     78         this.accessFlags = accessFlags;
     79         this.superclass = superclass;
     80         this.interfaces = interfaces;
     81         this.sourceFile = sourceFile;
     82         this.annotations = annotations;
     83         this.staticFields = ImmutableSortedSet.copyOf(Iterables.filter(fields, FieldUtil.FIELD_IS_STATIC));
     84         this.instanceFields = ImmutableSortedSet.copyOf(Iterables.filter(fields, FieldUtil.FIELD_IS_INSTANCE));
     85         this.directMethods = ImmutableSortedSet.copyOf(Iterables.filter(methods, MethodUtil.METHOD_IS_DIRECT));
     86         this.virtualMethods = ImmutableSortedSet.copyOf(Iterables.filter(methods, MethodUtil.METHOD_IS_VIRTUAL));
     87     }
     88 
     89     @Nonnull @Override public String getType() { return type.getType(); }
     90     @Override public int getAccessFlags() { return accessFlags; }
     91     @Nullable @Override public String getSuperclass() { return superclass==null?null:superclass.getType(); }
     92     @Nullable @Override public String getSourceFile() { return sourceFile==null?null:sourceFile.getString(); }
     93     @Nonnull @Override public BuilderAnnotationSet getAnnotations() { return annotations; }
     94     @Nonnull @Override public SortedSet<BuilderField> getStaticFields() { return staticFields; }
     95     @Nonnull @Override public SortedSet<BuilderField> getInstanceFields() { return instanceFields; }
     96     @Nonnull @Override public SortedSet<BuilderMethod> getDirectMethods() { return directMethods; }
     97     @Nonnull @Override public SortedSet<BuilderMethod> getVirtualMethods() { return virtualMethods; }
     98 
     99     @Nonnull @Override
    100     public List<String> getInterfaces() {
    101         return Lists.transform(this.interfaces, Functions.toStringFunction());
    102     }
    103 
    104     @Nonnull @Override public Collection<BuilderField> getFields() {
    105         return new AbstractCollection<BuilderField>() {
    106             @Nonnull @Override public Iterator<BuilderField> iterator() {
    107                 return Iterators.mergeSorted(
    108                         ImmutableList.of(staticFields.iterator(), instanceFields.iterator()),
    109                         Ordering.natural());
    110             }
    111 
    112             @Override public int size() {
    113                 return staticFields.size() + instanceFields.size();
    114             }
    115         };
    116     }
    117 
    118     @Nonnull @Override public Collection<BuilderMethod> getMethods() {
    119         return new AbstractCollection<BuilderMethod>() {
    120             @Nonnull @Override public Iterator<BuilderMethod> iterator() {
    121                 return Iterators.mergeSorted(
    122                         ImmutableList.of(directMethods.iterator(), virtualMethods.iterator()),
    123                         Ordering.natural());
    124             }
    125 
    126             @Override public int size() {
    127                 return directMethods.size() + virtualMethods.size();
    128             }
    129         };
    130     }
    131 }
    132