annotation to String - Java java.lang.annotation

Java examples for java.lang.annotation:Annotation Attribute

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Description

annotation to String

Demo Code

/*// w  w  w.  j a v a  2  s. c o  m
 * JBoss, Home of Professional Open Source.
 * Copyright (c) 2009, Red Hat Middleware LLC, and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
//package com.java2s;
import java.lang.annotation.Annotation;

public class Main {
    public static void main(String[] argv) throws Exception {
        Class annotationType = String.class;
        String values = "java2s.com";
        System.out.println(annotation(annotationType, values));
    }

    public static String annotation(
            Class<? extends Annotation> annotationType, String... values) {
        StringBuilder b = new StringBuilder("@");
        b.append(annotationType.getName());
        if (values != null && values.length > 0) {
            b.append("(");
            for (int i = 0; i < values.length; i++) {
                b.append("\"");
                b.append(values[i]);
                b.append("\"");
                if ((i + 1) < values.length)
                    b.append(",");
            }
            b.append(")");
        }
        return b.toString();
    }
}

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