Java Aspectj Usage accessToString(int access_flags, boolean for_class)

Description

Convert bit field of flags into string such as 'static final'.

License

Apache License

Parameter

Parameter	Description
access_flags	Access flags
for_class	access flags are for class qualifiers ?

Return

String representation of flags

Declaration

public static final String accessToString(int access_flags, boolean for_class) 

Method Source Code

//package com.java2s;
/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2001 The Apache Software Foundation.  All rights
 * reserved./*w w  w.ja  v  a  2s .c  om*/
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" and
 *    "Apache BCEL" must not be used to endorse or promote products
 *    derived from this software without prior written permission. For
 *    written permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    "Apache BCEL", nor may "Apache" appear in their name, without
 *    prior written permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 */

import org.aspectj.apache.bcel.Constants;

public class Main {
    /**
     * Convert bit field of flags into string such as 'static final'.
     * 
     * @param access_flags Access flags
     * @return String representation of flags
     */
    public static final String accessToString(int access_flags) {
        return accessToString(access_flags, false);
    }

    /**
     * Convert bit field of flags into string such as 'static final'.
     * 
     * Special case: Classes compiled with new compilers and with the 'ACC_SUPER' flag would be said to be "synchronized". This is
     * because SUN used the same value for the flags 'ACC_SUPER' and 'ACC_SYNCHRONIZED'.
     * 
     * @param access_flags Access flags
     * @param for_class access flags are for class qualifiers ?
     * @return String representation of flags
     */
    public static final String accessToString(int access_flags, boolean for_class) {
        StringBuffer buf = new StringBuffer();

        int p = 0;
        for (int i = 0; p < Constants.MAX_ACC_FLAG; i++) { // Loop through known flags
            p = pow2(i);
            if ((access_flags & p) != 0) {
                // Special case: see comment at top of class...
                if (for_class && ((p == Constants.ACC_SUPER) || (p == Constants.ACC_INTERFACE))) {
                    continue;
                }
                buf.append(Constants.ACCESS_NAMES[i]).append(" ");
            }
        }
        return buf.toString().trim();
    }

    private static final int pow2(int n) {
        return 1 << n;
    }
}

Related

1. arrayAsList(Object[] ra)
2. classOrInterface(int access_flags)
3. collectArguments(JoinPoint jp)
4. combine(String[] one, String[] two)