1 /*
   2  * Copyright (c) 2007, 2017 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.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.jemmy.control;
  24 
  25 
  26 import java.lang.reflect.Constructor;
  27 import java.lang.reflect.InvocationTargetException;
  28 import org.jemmy.env.Environment;
  29 
  30 
  31 /**
  32  * This is an implementation of the {@code Wrapper} which instantiates a wrap
  33  * of a class returned by {@code getWrapClass(Class)}.
  34  * @author shura
  35  */
  36 public abstract class AbstractWrapper implements Wrapper {
  37 
  38     private Environment env;
  39 
  40     /**
  41      *
  42      * @param env
  43      */
  44     @SuppressWarnings("unchecked")
  45     public AbstractWrapper(Environment env) {
  46         this.env = env;
  47     }
  48 
  49     /**
  50      *
  51      * @return
  52      */
  53     public Environment getEnvironment() {
  54         return env;
  55     }
  56     
  57     protected abstract Class<Wrap> getWrapClass(Class controlClass);
  58 
  59     /**
  60      *
  61      * @param <T>
  62      * @param controlClass
  63      * @param control
  64      * @return Wrap
  65      */
  66     public <T> Wrap<? extends T> wrap(Class<T> controlClass, T control) {
  67         Class cls = control.getClass();
  68         Class<Wrap> wrp;
  69         do {
  70             wrp = getWrapClass(cls);
  71             if (wrp != null) {
  72                 try {
  73                     return doWrap(control, cls, wrp);
  74                 } catch (InstantiationException ex) {
  75                     throw new WrapperException(cls, wrp, ex);
  76                 } catch (IllegalAccessException ex) {
  77                     throw new WrapperException(cls, wrp, ex);
  78                 } catch (IllegalArgumentException ex) {
  79                     throw new WrapperException(cls, wrp, ex);
  80                 } catch (InvocationTargetException ex) {
  81                     throw new WrapperException(cls, wrp, ex);
  82                 } catch (NoSuchMethodException ex) {
  83                     throw new WrapperException(cls, wrp, ex);
  84                 } catch (SecurityException ex) {
  85                     throw new WrapperException(cls, wrp, ex);
  86                 }
  87             }
  88         } while ((cls = cls.getSuperclass()) != null);
  89         throw new WrapperException(control);
  90     }
  91 
  92     /**
  93      *
  94      * @param <T>
  95      * @param control
  96      * @param controlClass
  97      * @param wrapperClass
  98      * @return Wrap
  99      * @throws java.lang.NoSuchMethodException
 100      * @throws java.lang.InstantiationException
 101      * @throws java.lang.IllegalAccessException
 102      * @throws java.lang.IllegalArgumentException
 103      * @throws java.lang.reflect.InvocationTargetException
 104      */
 105     @SuppressWarnings("unchecked")
 106     protected <T> Wrap<? extends T> doWrap(T control, Class controlClass, Class wrapperClass) throws NoSuchMethodException, InstantiationException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {
 107         Constructor cns = null;
 108         Class cls = controlClass;
 109         do {
 110             try {
 111                 cns = wrapperClass.getConstructor(Environment.class, cls);
 112             } catch (NoSuchMethodException e) {
 113             }
 114         } while ((cls = cls.getSuperclass()) != null);
 115         if (cns != null) {
 116             return (Wrap<T>) cns.newInstance(new Environment(env), control);
 117         } else {
 118             throw new WrapperException(controlClass, wrapperClass);
 119         }
 120     }
 121 }