proguard.resources.kotlinmodule.io.KotlinModuleDataEntryReader Maven / Gradle / Ivy

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ProGuardCORE is a free library to read, analyze, modify, and write Java class files.

There is a newer version: 9.1.6

/*
 * ProGuardCORE -- library to process Java bytecode.
 *
 * Copyright (c) 2002-2020 Guardsquare NV
 *
 * 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
 *
 *      http://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 proguard.resources.kotlinmodule.io;

import java.io.*;
import proguard.io.*;
import proguard.resources.file.visitor.ResourceFileVisitor;
import proguard.resources.kotlinmodule.KotlinModule;

/**
 * Read a Kotlin module file and apply the given {@link ResourceFileVisitor}.
 *
 * @author James Hamilton
 */
public class KotlinModuleDataEntryReader implements DataEntryReader {
  private final ResourceFileVisitor resourceFileVisitor;

  public KotlinModuleDataEntryReader(ResourceFileVisitor resourceFileVisitor) {
    this.resourceFileVisitor = resourceFileVisitor;
  }

  @Override
  public void read(DataEntry dataEntry) throws IOException {
    try {
      InputStream inputStream = dataEntry.getInputStream();
      KotlinModule kotlinModule = new KotlinModule(dataEntry.getName(), dataEntry.getSize());
      kotlinModule.accept(new KotlinModuleReader(inputStream));
      dataEntry.closeInputStream();
      kotlinModule.accept(resourceFileVisitor);
    } catch (Exception ex) {
      throw new IOException(
          "Can't read Kotlin module file [" + dataEntry.getName() + "] (" + ex.getMessage() + ")",
          ex);
    }
  }
}