content: /*
   *  Copyright (C) 2010 Ryszard Wiśniewski <brut.alll@gmail.com>
   *  Copyright (C) 2010 Connor Tumbleson <connor.tumbleson@gmail.com>
   *
   *  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
   *
   *       https://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 brut.androlib.src;
  
  import brut.androlib.AndrolibException;
  import brut.androlib.mod.SmaliMod;
  import brut.directory.DirectoryException;
  import brut.directory.ExtFile;
  import org.antlr.runtime.RecognitionException;
  import org.jf.dexlib2.Opcodes;
  import org.jf.dexlib2.writer.builder.DexBuilder;
  import org.jf.dexlib2.writer.io.FileDataStore;
  
  import java.io.File;
  import java.io.FileInputStream;
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.logging.Logger;
  
  public class SmaliBuilder {
  
      public static void build(ExtFile smaliDir, File dexFile, int apiLevel) throws AndrolibException {
          new SmaliBuilder(smaliDir, dexFile, apiLevel).build();
      }
  
      private SmaliBuilder(ExtFile smaliDir, File dexFile, int apiLevel) {
          mSmaliDir = smaliDir;
          mDexFile = dexFile;
          mApiLevel = apiLevel;
      }
  
      private void build() throws AndrolibException {
          try {
              DexBuilder dexBuilder;
              if (mApiLevel > 0) {
                  dexBuilder = new DexBuilder(Opcodes.forApi(mApiLevel));
              } else {
                  dexBuilder = new DexBuilder(Opcodes.getDefault());
              }
  
              for (String fileName : mSmaliDir.getDirectory().getFiles(true)) {
                  buildFile(fileName, dexBuilder);
              }
              dexBuilder.writeTo(new FileDataStore( new File(mDexFile.getAbsolutePath())));
          } catch (IOException | DirectoryException ex) {
              throw new AndrolibException(ex);
          }
      }
  
      private void buildFile(String fileName, DexBuilder dexBuilder)
              throws AndrolibException, IOException {
          File inFile = new File(mSmaliDir, fileName);
          InputStream inStream = new FileInputStream(inFile);
  
          if (fileName.endsWith(".smali")) {
              try {
                  if (!SmaliMod.assembleSmaliFile(inFile, dexBuilder, mApiLevel, false, false)) {
                      throw new AndrolibException("Could not smali file: " + fileName);
                  }
              } catch (IOException | RecognitionException ex) {
                  throw new AndrolibException(ex);
              }
          } else {
              LOGGER.warning("Unknown file type, ignoring: " + inFile);
          }
          inStream.close();
      }
  
      private final ExtFile mSmaliDir;
      private final File mDexFile;
      private final int mApiLevel;
  
      private final static Logger LOGGER = Logger.getLogger(SmaliBuilder.class.getName());
  }
  