1 /*
   2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.tools.internal.xjc.generator.bean.field;
  27 
  28 import java.lang.reflect.Constructor;
  29 import java.lang.reflect.InvocationTargetException;
  30 
  31 import com.sun.tools.internal.xjc.generator.bean.ClassOutlineImpl;
  32 import com.sun.tools.internal.xjc.model.CPropertyInfo;
  33 import com.sun.tools.internal.xjc.outline.FieldOutline;
  34 
  35 /**
  36  * Creates
  37  *
  38  * @author
  39  *     Kohsuke Kawaguchi (kohsuke.kawaguchi@sun.com)
  40  */
  41 public final class GenericFieldRenderer implements FieldRenderer {
  42     private Constructor constructor;
  43 
  44     public GenericFieldRenderer( Class fieldClass ) {
  45         try {
  46             constructor = fieldClass.getDeclaredConstructor(new Class[]{ClassOutlineImpl.class,CPropertyInfo.class});
  47         } catch (NoSuchMethodException e) {
  48             throw new NoSuchMethodError(e.getMessage());
  49         }
  50     }
  51 
  52     public FieldOutline generate(ClassOutlineImpl context, CPropertyInfo prop) {
  53         try {
  54             return (FieldOutline)constructor.newInstance(new Object[]{context,prop});
  55         } catch (InstantiationException e) {
  56             throw new InstantiationError(e.getMessage());
  57         } catch (IllegalAccessException e) {
  58             throw new IllegalAccessError(e.getMessage());
  59         } catch (InvocationTargetException e) {
  60             Throwable t = e.getTargetException();
  61             if(t instanceof RuntimeException)
  62                 throw (RuntimeException)t;
  63             if(t instanceof Error)
  64                 throw (Error)t;
  65 
  66             // impossible
  67             throw new AssertionError(t);
  68         }
  69     }
  70 
  71 }