org.apache.commons.cli.Util Maven / Gradle / Ivy
/**
* 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
*
* 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.apache.commons.cli;
/**
* Contains useful helper methods for classes within this package.
*
* @version $Id: Util.java 1443102 2013-02-06 18:12:16Z tn $
*/
final class Util
{
/**
* Remove the hyphens from the beginning of str
and
* return the new String.
*
* @param str The string from which the hyphens should be removed.
*
* @return the new String.
*/
static String stripLeadingHyphens(String str)
{
if (str == null)
{
return null;
}
if (str.startsWith("--"))
{
return str.substring(2, str.length());
}
else if (str.startsWith("-"))
{
return str.substring(1, str.length());
}
return str;
}
/**
* Remove the leading and trailing quotes from str
.
* E.g. if str is '"one two"', then 'one two' is returned.
*
* @param str The string from which the leading and trailing quotes
* should be removed.
*
* @return The string without the leading and trailing quotes.
*/
static String stripLeadingAndTrailingQuotes(String str)
{
int length = str.length();
if (length > 1 && str.startsWith("\"") && str.endsWith("\"") && str.substring(1, length - 1).indexOf('"') == -1)
{
str = str.substring(1, length - 1);
}
return str;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy