proguard.optimize.gson.GsonContext Maven / Gradle / Ivy
The newest version!
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2019 Guardsquare NV
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 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 Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.optimize.gson;
import proguard.classfile.ClassPool;
import proguard.classfile.attribute.visitor.AllAttributeVisitor;
import proguard.classfile.instruction.visitor.*;
import proguard.classfile.util.WarningPrinter;
import proguard.classfile.visitor.*;
/**
* This class groups all information about how the Gson library is being used
* in a program class pool.
*
* @author Lars Vandenbergh
*/
public class GsonContext
{
public ClassPool filteredClasses;
public ClassPool gsonDomainClassPool;
public ClassPool instanceCreatorClassPool;
public ClassPool typeAdapterClassPool;
public GsonRuntimeSettings gsonRuntimeSettings;
/**
* Sets up the Gson context for the given program class pool.
* Notes will be printed to the given printer if provided.
*
* @param programClassPool the program class pool
* @param notePrinter the optional note printer to which notes
* can be printed.
*/
public void setupFor(ClassPool programClassPool,
WarningPrinter notePrinter)
{
// Only apply remaining optimizations to classes that are not part of
// Gson itself.
filteredClasses = new ClassPool();
programClassPool.classesAccept(
new ClassNameFilter("!com/google/gson/**",
new ClassPoolFiller(filteredClasses)));
// Find all GsonBuilder invocations.
gsonRuntimeSettings = new GsonRuntimeSettings();
instanceCreatorClassPool = new ClassPool();
typeAdapterClassPool = new ClassPool();
GsonBuilderInvocationFinder gsonBuilderInvocationFinder =
new GsonBuilderInvocationFinder(
programClassPool,
gsonRuntimeSettings,
new ClassPoolFiller(instanceCreatorClassPool),
new ClassPoolFiller(typeAdapterClassPool));
filteredClasses.classesAccept(
new AllMethodVisitor(
new AllAttributeVisitor(
new AllInstructionVisitor(gsonBuilderInvocationFinder))));
// Find all Gson invocations.
gsonDomainClassPool = new ClassPool();
GsonDomainClassFinder domainClassFinder =
new GsonDomainClassFinder(typeAdapterClassPool,
gsonDomainClassPool,
notePrinter);
filteredClasses.accept(
new AllClassVisitor(
new AllMethodVisitor(
new AllAttributeVisitor(
new AllInstructionVisitor(
new MultiInstructionVisitor(
new GsonSerializationInvocationFinder(programClassPool,
domainClassFinder,
notePrinter),
new GsonDeserializationInvocationFinder(programClassPool,
domainClassFinder,
notePrinter)))))));
}
}