com.vaadin.flow.migration.CommandArgumentException Maven / Gradle / Ivy
/*
* Copyright 2000-2020 Vaadin Ltd.
*
* 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 com.vaadin.flow.migration;
import java.util.Optional;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
/**
* An exception is thrown if there is an error in command line arguments.
*
* @author Vaadin Ltd
* @since 2.0
*/
class CommandArgumentException extends Exception {
private final Options options;
/**
* Creates a new exception instance using provided command line
* {@code options} and the parse exception {@code cause}.
*
* @param options
* command line options
* @param cause
* the parse exception cause
*/
CommandArgumentException(Options options, ParseException cause) {
super(cause);
this.options = options;
}
/**
* Creates a new exception instance using a {@code cause}.
*
* @param cause
* the intitial exception cause
*/
public CommandArgumentException(Exception cause) {
super(cause);
options = null;
}
/**
* Returns the command line options.
*
* @return an optional options, or an empty optional if the instance is
* created with a cause only
*/
Optional getOptions() {
return Optional.ofNullable(options);
}
}