001    /* Copyright (c) 2014, Erik Hogeman <Erik.Hogemn@gmail.com>
002     * All rights reserved.
003     *
004     * Redistribution and use in source and binary forms, with or without
005     * modification, are permitted provided that the following conditions are met:
006     *
007     *     * Redistributions of source code must retain the above copyright notice,
008     *       this list of conditions and the following disclaimer.
009     *     * Redistributions in binary form must reproduce the above copyright
010     *       notice, this list of conditions and the following disclaimer in the
011     *       documentation and/or other materials provided with the distribution.
012     *     * Neither the name of the Lund University nor the names of its
013     *       contributors may be used to endorse or promote products derived from
014     *       this software without specific prior written permission.
015     *
016     * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
017     * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
018     * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
019     * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
020     * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
021     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
022     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
023     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
024     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
025     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
026     * POSSIBILITY OF SUCH DAMAGE.
027     */
028    aspect Annotations {
029      syn lazy boolean InterfaceDecl.hasAnnotationFunctionalInterface() =
030          getModifiers().hasAnnotationFunctionalInterface();
031    
032      /*syn boolean Modifiers.hasAnnotationFunctionalInterface() {
033        for (int i = 0; i < getNumModifier(); i++) {
034          Modifier m = getModifier(i);
035          if (m instanceof Annotation) {
036            Annotation a = (Annotation) m;
037            if (((TypeAccess) a.getAccess()).getID().equals("FunctionalInterface") && !a.hasElementValuePair()) {
038              return true;
039            }
040          }
041        }
042        return false;
043      }*/
044    
045      // Just add "java.lang" to the package name and this will work with the java 8 library.
046      syn boolean Modifiers.hasAnnotationFunctionalInterface() =
047          hasAnnotation("java.lang", "FunctionalInterface");
048    }