org.jodconverter.local.office.ExitCodeRetryable Maven / Gradle / Ivy

/*
 * Copyright 2004 - 2012 Mirko Nasato and contributors
 *           2016 - 2020 Simon Braconnier and contributors
 *
 * This file is part of JODConverter - Java OpenDocument Converter.
 *
 * 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 org.jodconverter.local.office;

import org.checkerframework.checker.nullness.qual.NonNull;

import org.jodconverter.core.office.AbstractRetryable;
import org.jodconverter.core.office.TemporaryException;

/** Gets the exit code value of an office process. */
public class ExitCodeRetryable extends AbstractRetryable {

  private int exitCode;
  private final VerboseProcess process;

  /**
   * Creates a new instance of the class for the specified process.
   *
   * @param process The process whose exit code is to be retrieved.
   */
  public ExitCodeRetryable(final @NonNull VerboseProcess process) {
    super();

    this.process = process;
  }

  @Override
  protected void attempt() throws TemporaryException {

    final Integer code = process.getExitCode();
    if (code == null) {
      throw new TemporaryException("The process has not yet terminated");
    }
    exitCode = code;
  }

  /**
   * The exit code of the process.
   *
   * @return The exit value of the process. The value 0 indicates normal termination.
   */
  public int getExitCode() {
    return exitCode;
  }
}