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Apache Commons CLI Source Code Files
Apache Commons CLI Source Code Files are provided in the source package file commons-cli-1.5.0-sources.jar.
You can download commons-cli-1.5.0-src.zip as described in the previous tutorial and go to the "src/main/java/" sub-folder to view Source Code files.
You can also browse Apache Commons CLI Source Code files below:
✍: FYIcenter.com
⏎ org/apache/commons/cli/OptionValidator.java
/* 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; /** * Validates an Option string. * * @since 1.1 */ final class OptionValidator { /** * Returns whether the specified character is a valid character. * * @param c the character to validate * @return true if {@code c} is a letter. */ private static boolean isValidChar(final char c) { return Character.isJavaIdentifierPart(c); } /** * Returns whether the specified character is a valid Option. * * @param c the option to validate * @return true if {@code c} is a letter, '?' or '@', otherwise false. */ private static boolean isValidOpt(final char c) { return isValidChar(c) || c == '?' || c == '@'; } /** * Validates whether {@code opt} is a permissible Option shortOpt. The rules that specify if the {@code opt} * is valid are: * * <ul> * <li>a single character {@code opt} that is either ' '(special case), '?', '@' or a letter</li> * <li>a multi character {@code opt} that only contains letters.</li> * </ul> * <p> * In case {@code opt} is {@code null} no further validation is performed. * * @param option The option string to validate, may be null * @throws IllegalArgumentException if the Option is not valid. */ static String validate(final String option) throws IllegalArgumentException { // if opt is NULL do not check further if (option == null) { return null; } // handle the single character opt if (option.length() == 1) { final char ch = option.charAt(0); if (!isValidOpt(ch)) { throw new IllegalArgumentException("Illegal option name '" + ch + "'"); } } else { // handle the multi character opt for (final char ch : option.toCharArray()) { if (!isValidChar(ch)) { throw new IllegalArgumentException("The option '" + option + "' contains an illegal " + "character : '" + ch + "'"); } } } return option; } }
⏎ org/apache/commons/cli/OptionValidator.java
Or download all of them as a single archive file:
File name: commons-cli-1.5.0-sources.jar File size: 63124 bytes Release date: 2021-10-27 Download
⇒ Download Apache Commons CLI 1.4 Binary Package
⇐ Download Apache Commons CLI Source Package
2018-10-25, 12756👍, 0💬
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