/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.apache.maven.plugins.pmd.exec;
  
  import javax.inject.Inject;
  import javax.inject.Named;
  import javax.inject.Provider;
  import javax.inject.Singleton;
  
  import org.apache.maven.execution.MavenSession;
  import org.apache.maven.reporting.MavenReportException;
  import org.apache.maven.toolchain.ToolchainManager;
  
  /**
   * Service for executing PMD.
   */
  @Named
  @Singleton
  public class PmdServiceExecutor extends ServiceExecutor {
  
      @Inject
      public PmdServiceExecutor(ToolchainManager toolchainManager, Provider<MavenSession> sessionProvider) {
          super(toolchainManager, sessionProvider);
      }
  
      public PmdResult execute(PmdRequest request) throws MavenReportException {
  
          // make sure the class loaders are correct and call this in the same JVM
          ClassLoader origLoader = Thread.currentThread().getContextClassLoader();
          try {
              Thread.currentThread().setContextClassLoader(PmdExecutor.class.getClassLoader());
              PmdExecutor executor = new PmdExecutor(request);
  
              String javaExecutable = getJavaExecutable(request.getJdkToolchain());
              if (javaExecutable != null) {
                  return executor.fork(javaExecutable);
              }
              return executor.run();
          } finally {
              Thread.currentThread().setContextClassLoader(origLoader);
          }
      }
  }