org.jodconverter.local.process.PureJavaProcessManager Maven / Gradle / Ivy
Show all versions of jodconverter-local Show documentation
/*
* 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.process;
import org.checkerframework.checker.nullness.qual.NonNull;
/**
* {@link org.jodconverter.local.process.ProcessManager} implementation for Java.
*
* This manager does not allow the retrieval of the process id.
*/
public class PureJavaProcessManager implements ProcessManager {
/**
* This class is required in order to create the default PureJavaProcessManager only on demand, as
* explained by the Initialization-on-demand holder idiom:
* https://www.wikiwand.com/en/Initialization-on-demand_holder_idiom
*/
private static class DefaultHolder { // NOPMD - Disable utility class name rule violation
/* default */ static final PureJavaProcessManager INSTANCE = new PureJavaProcessManager();
}
@Override
public boolean canFindPid() {
return false;
}
/**
* Gets the default instance of {@code PureJavaProcessManager}.
*
* @return The default {@code PureJavaProcessManager} instance.
*/
public static @NonNull PureJavaProcessManager getDefault() {
return DefaultHolder.INSTANCE;
}
}