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the jfinal enjoy plugin for normal java program to use sql management function.
/**
* Copyright (c) 2011-2017, James Zhan 詹波 ([email protected]).
*
* 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.jfinal.template.kit;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
/**
* JavaKeyword.
*/
public class JavaKeyword {
private String[] keywordArray = {
"abstract",
"assert",
"boolean",
"break",
"byte",
"case",
"catch",
"char",
"class",
"const",
"continue",
"default",
"do",
"double",
"else",
"enum",
"extends",
"final",
"finally",
"float",
"for",
"goto",
"if",
"implements",
"import",
"instanceof",
"int",
"interface",
"long",
"native",
"new",
"package",
"private",
"protected",
"public",
"return",
"strictfp",
"short",
"static",
"super",
"switch",
"synchronized",
"this",
"throw",
"throws",
"transient",
"try",
"void",
"volatile",
"while"
};
private Set set;
public static final JavaKeyword me = createSharedInstance();
private static JavaKeyword createSharedInstance() {
JavaKeyword jk = new JavaKeyword();
jk.set = Collections.unmodifiableSet(jk.set); // 共享对象不让修改
return jk;
}
public JavaKeyword() {
set = new HashSet();
for (String keyword : keywordArray) {
set.add(keyword);
}
}
public JavaKeyword addKeyword(String keyword) {
if (StrKit.notBlank(keyword)) {
set.add(keyword);
}
return this;
}
public JavaKeyword removeKeyword(String keyword) {
set.remove(keyword);
return this;
}
public boolean contains(String str) {
return set.contains(str);
}
}