guru.nidi.graphviz.service.CommandBuilder Maven / Gradle / Ivy
/*
* Copyright © 2015 Stefan Niederhauser ([email protected])
*
* 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 guru.nidi.graphviz.service;
import javax.annotation.Nullable;
/**
* Build a CommandRunner.
*
* @author toon
*/
public class CommandBuilder {
private boolean shellWrapper;
@Nullable
private CommandLineExecutor cmdExec;
public CommandBuilder withShellWrapper(boolean shellWrapper) {
this.shellWrapper = shellWrapper;
return this;
}
public CommandBuilder withCommandExecutor(CommandLineExecutor cmdExec) {
this.cmdExec = cmdExec;
return this;
}
public CommandRunner build() {
return new CommandRunner(
SystemUtils.getShellWrapperOrDefault(shellWrapper),
getCmdExecutorOrDefault(cmdExec));
}
private static CommandLineExecutor getCmdExecutorOrDefault(@Nullable CommandLineExecutor cmdExec) {
return cmdExec == null ? new CommandLineExecutor() : cmdExec;
}
}