| /* |
| * Copyright 2013, Google Inc. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 COPYRIGHT |
| * OWNER OR CONTRIBUTORS 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.dexlib2.writer.builder; |
| |
| import com.google.common.base.Function; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Iterators; |
| import com.google.common.collect.Sets; |
| import org.jf.dexlib2.Opcodes; |
| import org.jf.dexlib2.ValueType; |
| import org.jf.dexlib2.iface.Annotation; |
| import org.jf.dexlib2.iface.MethodImplementation; |
| import org.jf.dexlib2.iface.MethodParameter; |
| import org.jf.dexlib2.iface.reference.*; |
| import org.jf.dexlib2.iface.value.*; |
| import org.jf.dexlib2.writer.DexWriter; |
| import org.jf.dexlib2.writer.builder.BuilderEncodedValues.*; |
| import org.jf.util.ExceptionWithContext; |
| |
| import javax.annotation.Nonnull; |
| import javax.annotation.Nullable; |
| import java.io.IOException; |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| public class DexBuilder extends DexWriter<BuilderStringReference, BuilderStringReference, BuilderTypeReference, |
| BuilderTypeReference, BuilderProtoReference, BuilderFieldReference, BuilderMethodReference, |
| BuilderClassDef, BuilderAnnotation, BuilderAnnotationSet, BuilderTypeList, BuilderField, BuilderMethod, |
| BuilderEncodedValue, BuilderAnnotationElement> { |
| |
| @Nonnull private final BuilderContext context; |
| |
| @Nonnull public static DexBuilder makeDexBuilder() { |
| BuilderContext context = new BuilderContext(); |
| return new DexBuilder(Opcodes.forApi(20), context); |
| } |
| |
| @Deprecated |
| @Nonnull |
| public static DexBuilder makeDexBuilder(int api) { |
| BuilderContext context = new BuilderContext(); |
| return new DexBuilder(Opcodes.forApi(api), context); |
| } |
| |
| @Nonnull public static DexBuilder makeDexBuilder(@Nonnull Opcodes opcodes) { |
| BuilderContext context = new BuilderContext(); |
| return new DexBuilder(opcodes, context); |
| } |
| |
| private DexBuilder(@Nonnull Opcodes opcodes, @Nonnull BuilderContext context) { |
| super(opcodes, context.stringPool, context.typePool, context.protoPool, |
| context.fieldPool, context.methodPool, context.classPool, context.typeListPool, context.annotationPool, |
| context.annotationSetPool); |
| this.context = context; |
| } |
| |
| @Nonnull public BuilderField internField(@Nonnull String definingClass, |
| @Nonnull String name, |
| @Nonnull String type, |
| int accessFlags, |
| @Nullable EncodedValue initialValue, |
| @Nonnull Set<? extends Annotation> annotations) { |
| return new BuilderField(context.fieldPool.internField(definingClass, name, type), |
| accessFlags, |
| context.internNullableEncodedValue(initialValue), |
| context.annotationSetPool.internAnnotationSet(annotations)); |
| } |
| |
| @Nonnull public BuilderMethod internMethod(@Nonnull String definingClass, |
| @Nonnull String name, |
| @Nullable List<? extends MethodParameter> parameters, |
| @Nonnull String returnType, |
| int accessFlags, |
| @Nonnull Set<? extends Annotation> annotations, |
| @Nullable MethodImplementation methodImplementation) { |
| if (parameters == null) { |
| parameters = ImmutableList.of(); |
| } |
| return new BuilderMethod(context.methodPool.internMethod(definingClass, name, parameters, returnType), |
| internMethodParameters(parameters), |
| accessFlags, |
| context.annotationSetPool.internAnnotationSet(annotations), |
| methodImplementation); |
| } |
| |
| @Nonnull public BuilderClassDef internClassDef(@Nonnull String type, |
| int accessFlags, |
| @Nullable String superclass, |
| @Nullable List<String> interfaces, |
| @Nullable String sourceFile, |
| @Nonnull Set<? extends Annotation> annotations, |
| @Nullable Iterable<? extends BuilderField> fields, |
| @Nullable Iterable<? extends BuilderMethod> methods) { |
| if (interfaces == null) { |
| interfaces = ImmutableList.of(); |
| } else { |
| Set<String> interfaces_copy = Sets.newHashSet(interfaces); |
| Iterator<String> interfaceIterator = interfaces.iterator(); |
| while (interfaceIterator.hasNext()) { |
| String iface = interfaceIterator.next(); |
| if (!interfaces_copy.contains(iface)) { |
| interfaceIterator.remove(); |
| } else { |
| interfaces_copy.remove(iface); |
| } |
| } |
| } |
| |
| return context.classPool.internClass(new BuilderClassDef(context.typePool.internType(type), |
| accessFlags, |
| context.typePool.internNullableType(superclass), |
| context.typeListPool.internTypeList(interfaces), |
| context.stringPool.internNullableString(sourceFile), |
| context.annotationSetPool.internAnnotationSet(annotations), |
| fields, |
| methods)); |
| } |
| |
| @Nonnull public BuilderStringReference internStringReference(@Nonnull String string) { |
| return context.stringPool.internString(string); |
| } |
| |
| @Nullable public BuilderStringReference internNullableStringReference(@Nullable String string) { |
| if (string != null) { |
| return internStringReference(string); |
| } |
| return null; |
| } |
| |
| @Nonnull public BuilderTypeReference internTypeReference(@Nonnull String type) { |
| return context.typePool.internType(type); |
| } |
| |
| @Nullable public BuilderTypeReference internNullableTypeReference(@Nullable String type) { |
| if (type != null) { |
| return internTypeReference(type); |
| } |
| return null; |
| } |
| |
| @Nonnull public BuilderFieldReference internFieldReference(@Nonnull FieldReference field) { |
| return context.fieldPool.internField(field); |
| } |
| |
| @Nonnull public BuilderMethodReference internMethodReference(@Nonnull MethodReference method) { |
| return context.methodPool.internMethod(method); |
| } |
| |
| @Nonnull public BuilderReference internReference(@Nonnull Reference reference) { |
| if (reference instanceof StringReference) { |
| return internStringReference(((StringReference)reference).getString()); |
| } |
| if (reference instanceof TypeReference) { |
| return internTypeReference(((TypeReference)reference).getType()); |
| } |
| if (reference instanceof MethodReference) { |
| return internMethodReference((MethodReference)reference); |
| } |
| if (reference instanceof FieldReference) { |
| return internFieldReference((FieldReference)reference); |
| } |
| throw new IllegalArgumentException("Could not determine type of reference"); |
| } |
| |
| @Nonnull private List<BuilderMethodParameter> internMethodParameters( |
| @Nullable List<? extends MethodParameter> methodParameters) { |
| if (methodParameters == null) { |
| return ImmutableList.of(); |
| } |
| return ImmutableList.copyOf(Iterators.transform(methodParameters.iterator(), |
| new Function<MethodParameter, BuilderMethodParameter>() { |
| @Nullable @Override public BuilderMethodParameter apply(MethodParameter input) { |
| return internMethodParameter(input); |
| } |
| })); |
| } |
| |
| @Nonnull private BuilderMethodParameter internMethodParameter(@Nonnull MethodParameter methodParameter) { |
| return new BuilderMethodParameter( |
| context.typePool.internType(methodParameter.getType()), |
| context.stringPool.internNullableString(methodParameter.getName()), |
| context.annotationSetPool.internAnnotationSet(methodParameter.getAnnotations())); |
| } |
| |
| @Override protected void writeEncodedValue(@Nonnull InternalEncodedValueWriter writer, |
| @Nonnull BuilderEncodedValue encodedValue) throws IOException { |
| switch (encodedValue.getValueType()) { |
| case ValueType.ANNOTATION: |
| BuilderAnnotationEncodedValue annotationEncodedValue = (BuilderAnnotationEncodedValue)encodedValue; |
| writer.writeAnnotation(annotationEncodedValue.typeReference, annotationEncodedValue.elements); |
| break; |
| case ValueType.ARRAY: |
| BuilderArrayEncodedValue arrayEncodedValue = (BuilderArrayEncodedValue)encodedValue; |
| writer.writeArray(arrayEncodedValue.elements); |
| break; |
| case ValueType.BOOLEAN: |
| writer.writeBoolean(((BooleanEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.BYTE: |
| writer.writeByte(((ByteEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.CHAR: |
| writer.writeChar(((CharEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.DOUBLE: |
| writer.writeDouble(((DoubleEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.ENUM: |
| writer.writeEnum(((BuilderEnumEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.FIELD: |
| writer.writeField(((BuilderFieldEncodedValue)encodedValue).fieldReference); |
| break; |
| case ValueType.FLOAT: |
| writer.writeFloat(((FloatEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.INT: |
| writer.writeInt(((IntEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.LONG: |
| writer.writeLong(((LongEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.METHOD: |
| writer.writeMethod(((BuilderMethodEncodedValue)encodedValue).methodReference); |
| break; |
| case ValueType.NULL: |
| writer.writeNull(); |
| break; |
| case ValueType.SHORT: |
| writer.writeShort(((ShortEncodedValue)encodedValue).getValue()); |
| break; |
| case ValueType.STRING: |
| writer.writeString(((BuilderStringEncodedValue)encodedValue).stringReference); |
| break; |
| case ValueType.TYPE: |
| writer.writeType(((BuilderTypeEncodedValue)encodedValue).typeReference); |
| break; |
| default: |
| throw new ExceptionWithContext("Unrecognized value type: %d", encodedValue.getValueType()); |
| } |
| } |
| } |