content: /*
   *  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
   *
   *      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 org.apache.tools.ant.taskdefs.rmic;
  
  import java.io.IOException;
  
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Project;
  import org.apache.tools.ant.taskdefs.Execute;
  import org.apache.tools.ant.taskdefs.LogStreamHandler;
  import org.apache.tools.ant.taskdefs.Rmic;
  import org.apache.tools.ant.types.Commandline;
  import org.apache.tools.ant.util.JavaEnvUtils;
  
  /**
   * This is an extension of the sun rmic compiler, which forks rather than
   * executes it inline. Why so? Because rmic is dog slow, but if you fork the
   * compiler you can have multiple copies compiling different bits of your project
   * at the same time. Which, on a multi-cpu system results in significant speedups.
   *
   * Also, Java1.6 behaves oddly with -XNew, so we switch it on here if needed.
   * @since ant1.7
   */
  public class ForkingSunRmic extends DefaultRmicAdapter {
  
      /**
       * the name of this adapter for users to select
       */
      public static final String COMPILER_NAME = "forking";
  
      /**
       * @since Ant 1.10.3
       */
      @Override
      protected boolean areIiopAndIdlSupported() {
          boolean supported = !JavaEnvUtils.isAtLeastJavaVersion("11");
          if (!supported && getRmic().getExecutable() != null) {
              getRmic().getProject()
                  .log("Allowing -iiop and -idl for forked rmic even though this version of Java doesn't support it.",
                       Project.MSG_INFO);
              return true;
          }
          return supported;
      }
  
      /**
       * exec by creating a new command
       * @return true if the command ran successfully
       * @throws BuildException on error
       */
      @Override
      public boolean execute() throws BuildException {
          Rmic owner = getRmic();
          Commandline cmd = setupRmicCommand();
          Project project = owner.getProject();
          String executable = owner.getExecutable();
          if (executable == null) {
              if (JavaEnvUtils.isAtLeastJavaVersion("15")) {
                  throw new BuildException("rmic does not exist under Java 15 and higher,"
                      + " use rmic of an older JDK and explicitly set the executable attribute");
              }
  
              // no explicitly specified executable
              // rely on RMIC being on the path
              executable = JavaEnvUtils.getJdkExecutable(getExecutableName());
          }
          cmd.setExecutable(executable);
  
          //set up the args
          String[] args = cmd.getCommandline();
  
          try {
              Execute exe = new Execute(new LogStreamHandler(owner,
                      Project.MSG_INFO,
                      Project.MSG_WARN));
              exe.setAntRun(project);
              exe.setWorkingDirectory(project.getBaseDir());
              exe.setCommandline(args);
              exe.execute();
              return !exe.isFailure();
          } catch (IOException exception) {
              throw new BuildException("Error running " + getExecutableName()
                      + " -maybe it is not on the path", exception);
          }
      }
  
      /**
       * Override point.
       * @return the executable name.
       */
      protected String getExecutableName() {
          return SunRmic.RMIC_EXECUTABLE;
      }
  }
  