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/*
* Copyright (C) 2013 The Project Lombok Authors.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package lombok.core;
/**
* Utility functions for validating potential java verifiers.
*/
public class JavaIdentifiers {
private JavaIdentifiers() {}
private static final LombokImmutableList<String> KEYWORDS = LombokImmutableList.of(
"public", "private", "protected",
"default", "switch", "case",
"for", "do", "goto", "const", "strictfp", "while", "if", "else",
"byte", "short", "int", "long", "float", "double", "void", "boolean", "char",
"null", "false", "true",
"continue", "break", "return", "instanceof",
"synchronized", "volatile", "transient", "final", "static",
"interface", "class", "extends", "implements", "throws",
"throw", "catch", "try", "finally", "abstract", "assert",
"enum", "import", "package", "native", "new", "super", "this");
public static boolean isValidJavaIdentifier(String identifier) {
if (identifier == null) return false;
if (identifier.isEmpty()) return false;
if (!Character.isJavaIdentifierStart(identifier.charAt(0))) return false;
for (int i = 1; i < identifier.length(); i++) {
if (!Character.isJavaIdentifierPart(identifier.charAt(i))) return false;
}
return !isKeyword(identifier);
}
public static boolean isKeyword(String keyword) {
return KEYWORDS.contains(keyword);
}
}
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