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/**
* 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.cxf.helpers;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
public final class JavaUtils {
/** Use this character as suffix */
static final char KEYWORD_PREFIX = '_';
/**
* These are java keywords as specified at the following URL.
* http://java.sun.com/docs/books/jls/third_edition/html/lexical.html#3.9
* Note that false, true, and null are not strictly keywords; they are
* literal values, but for the purposes of this array, they can be treated
* as literals.
*/
private static final Set KEYWORDS = new HashSet(Arrays.asList(
"abstract", "assert", "boolean", "break", "byte", "case", "catch",
"char", "class", "const", "continue", "default", "do", "double",
"else", "enum", "extends", "false", "final", "finally", "float", "for", "goto",
"if", "implements", "import", "instanceof", "int", "interface", "long",
"native", "new", "null", "package", "private", "protected", "public",
"return", "short", "static", "strictfp", "super", "switch",
"synchronized", "this", "throw", "throws", "transient", "true", "try",
"void", "volatile", "while"
));
private JavaUtils() {
}
/**
* checks if the input string is a valid java keyword.
*
* @return boolean true/false
*/
public static boolean isJavaKeyword(String keyword) {
return KEYWORDS.contains(keyword);
}
/**
* Turn a java keyword string into a non-Java keyword string. (Right now
* this simply means appending an underscore.)
*/
public static String makeNonJavaKeyword(String keyword) {
return KEYWORD_PREFIX + keyword;
}
}
