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/*
Copyright (c) 2015 Red Hat, Inc.

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 org.ovirt.api.metamodel.tool;

import javax.annotation.PostConstruct;
import javax.enterprise.inject.Produces;
import javax.inject.Singleton;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

/**
 * This class is a producer of the set of Java reserved words.
 */
@Singleton
public class JavaReservedWords {
    private Set words;

    @PostConstruct
    private void init() {
        // Create the set:
        words = new HashSet<>();

        // Populate the set:
        words.add("abstract");
        words.add("assert");
        words.add("boolean");
        words.add("break");
        words.add("byte");
        words.add("case");
        words.add("catch");
        words.add("char");
        words.add("class");
        words.add("const");
        words.add("continue");
        words.add("default");
        words.add("do");
        words.add("double");
        words.add("else");
        words.add("enum");
        words.add("extends");
        words.add("false");
        words.add("final");
        words.add("finally");
        words.add("float");
        words.add("for");
        words.add("goto");
        words.add("if");
        words.add("implements");
        words.add("import");
        words.add("instanceof");
        words.add("int");
        words.add("interface");
        words.add("long");
        words.add("native");
        words.add("new");
        words.add("null");
        words.add("package");
        words.add("private");
        words.add("protected");
        words.add("public");
        words.add("return");
        words.add("short");
        words.add("static");
        words.add("strictfp");
        words.add("super");
        words.add("switch");
        words.add("synchronized");
        words.add("this");
        words.add("throw");
        words.add("throws");
        words.add("transient");
        words.add("true");
        words.add("true");
        words.add("try");
        words.add("void");
        words.add("volatile");
        words.add("while");

        // These aren't reserved words, but it is better to avoid them, as the class with methods of the "Object" class:
        words.add("clone");
        words.add("finalize");

        // Wrap the set so that it is unmodifiable:
        words = Collections.unmodifiableSet(words);
    }

    /**
     * Produces the set of Java reserved words.
     */
    @Produces
    @ReservedWords(language = "java")
    public Set getWords() {
        return words;
    }
}