예제 #1
1
  public CircuitElementView instantiateElement(
      UUID elementUUID,
      float positionX,
      float positionY,
      CircuitElementManager elementManager,
      WireManager wireManager)
      throws InvocationTargetException, IllegalAccessException, InstantiationException,
          NoSuchMethodException {
    Class<? extends CircuitElementView> viewType = ElementTypeUUID.VIEW_MAP.get(elementUUID);
    if (viewType == null) throw new IllegalArgumentException("Missing element view UUID");

    Class<? extends CircuitElement> elementType = ElementTypeUUID.ELEMENT_MAP.get(elementUUID);
    if (elementType == null) throw new IllegalArgumentException("Missing element type UUID");

    Constructor<? extends CircuitElementView> viewConstructor;
    viewConstructor =
        viewType.getConstructor(
            Context.class, CircuitElement.class, float.class, float.class, WireManager.class);

    Constructor<? extends CircuitElement> elementConstructor;
    elementConstructor = elementType.getConstructor(CircuitElementManager.class);

    CircuitElement element = elementConstructor.newInstance(elementManager);

    return viewConstructor.newInstance(context, element, 0, 0, wireManager);
  }
예제 #2
1
 /**
  * Factory method, equivalent to a "fromXML" for step creation. Looks for a class with the same
  * name as the XML tag, with the first letter capitalized. For example, &lt;call /&gt; is
  * abbot.script.Call.
  */
 public static Step createStep(Resolver resolver, Element el) throws InvalidScriptException {
   String tag = el.getName();
   Map attributes = createAttributeMap(el);
   String name = tag.substring(0, 1).toUpperCase() + tag.substring(1);
   if (tag.equals(TAG_WAIT)) {
     attributes.put(TAG_WAIT, "true");
     name = "Assert";
   }
   try {
     name = "abbot.script." + name;
     Log.debug("Instantiating " + name);
     Class cls = Class.forName(name);
     try {
       // Steps with contents require access to the XML element
       Class[] argTypes = new Class[] {Resolver.class, Element.class, Map.class};
       Constructor ctor = cls.getConstructor(argTypes);
       return (Step) ctor.newInstance(new Object[] {resolver, el, attributes});
     } catch (NoSuchMethodException nsm) {
       // All steps must support this ctor
       Class[] argTypes = new Class[] {Resolver.class, Map.class};
       Constructor ctor = cls.getConstructor(argTypes);
       return (Step) ctor.newInstance(new Object[] {resolver, attributes});
     }
   } catch (ClassNotFoundException cnf) {
     String msg = Strings.get("step.unknown_tag", new Object[] {tag});
     throw new InvalidScriptException(msg);
   } catch (InvocationTargetException ite) {
     Log.warn(ite);
     throw new InvalidScriptException(ite.getTargetException().getMessage());
   } catch (Exception exc) {
     Log.warn(exc);
     throw new InvalidScriptException(exc.getMessage());
   }
 }
예제 #3
0
 public Bean(String classPackage, String clazz, ClassLoaderStrategy cls, Bean topLevelBean)
     throws Exception {
   // Get the no-arg constructor and create the bean
   try {
     Class classOfBean = ObjectXml.getClassOfBean((ClassLoader) cls, classPackage + "." + clazz);
     Constructor ct = null;
     // check whether this class is an inner class
     if (classOfBean.getEnclosingClass() != null) {
       ct = classOfBean.getConstructor(new Class[] {classOfBean.getEnclosingClass()});
       beanObject = ct.newInstance(new Object[] {topLevelBean.getBeanObject()});
     } else {
       ct = classOfBean.getConstructor((Class[]) null);
       beanObject = ct.newInstance((Object[]) null);
     }
     // Get an array of property descriptors
     beanInfo = Introspector.getBeanInfo(classOfBean);
     PropertyDescriptor[] pds = beanInfo.getPropertyDescriptors();
     // load property descriptors into hashtable
     propDesc = new Properties();
     for (int i = 0; i < pds.length; i++) {
       propDesc.put(pds[i].getName(), pds[i]);
     }
   } catch (Exception e) {
     System.err.println("Exception creating bean: " + e.getMessage());
     e.printStackTrace();
     throw e;
   }
 }
 public void apply()
     throws IllegalAccessException, InvocationTargetException, InstantiationException {
   if (type.isEnum()) {
     for (T instance : type.getEnumConstants()) {
       assertThat(
           instance.toString(),
           is(
               type.getCanonicalName().substring(type.getPackage().getName().length() + 1)
                   + "."
                   + ((Enum<?>) instance).name()));
     }
     return;
   }
   for (Constructor<?> constructor : type.getDeclaredConstructors()) {
     if (constructor.isSynthetic() && skipSynthetic) {
       continue;
     }
     constructor.setAccessible(true);
     Class<?>[] parameterTypes = constructor.getParameterTypes();
     Object[] actualArguments = new Object[parameterTypes.length];
     Object[] otherArguments = new Object[parameterTypes.length];
     int index = 0;
     for (Class<?> parameterType : parameterTypes) {
       putInstance(parameterType, actualArguments, otherArguments, index++);
     }
     int testIndex = 0;
     @SuppressWarnings("unchecked")
     T instance = (T) constructor.newInstance(actualArguments);
     assertThat(instance, is(instance));
     assertThat(instance, not(is((Object) null)));
     assertThat(instance, not(is(new Object())));
     Object similarInstance = constructor.newInstance(actualArguments);
     assertThat(instance.hashCode(), is(similarInstance.hashCode()));
     assertThat(instance, is(similarInstance));
     if (skipToString) {
       assertThat(instance.toString(), notNullValue());
     } else if (optionalToStringRegex == null) {
       checkString(instance);
     } else {
       assertThat(instance.toString(), new RegexMatcher(optionalToStringRegex));
     }
     for (Object otherArgument : otherArguments) {
       Object[] compareArguments = new Object[actualArguments.length];
       int argumentIndex = 0;
       for (Object actualArgument : actualArguments) {
         if (argumentIndex == testIndex) {
           compareArguments[argumentIndex] = otherArgument;
         } else {
           compareArguments[argumentIndex] = actualArgument;
         }
         argumentIndex++;
       }
       Object unlikeInstance = constructor.newInstance(compareArguments);
       assertThat(instance.hashCode(), not(is(unlikeInstance)));
       assertThat(instance, not(is(unlikeInstance)));
       testIndex++;
     }
   }
 }
예제 #5
0
파일: Request2.java 프로젝트: jmcclell/h2o
 private Filter newInstance(API api) throws Exception {
   for (Constructor c : api.filter().getDeclaredConstructors()) {
     c.setAccessible(true);
     Class[] ps = c.getParameterTypes();
     if (ps.length == 1 && RequestArguments.class.isAssignableFrom(ps[0]))
       return (Filter) c.newInstance(this);
   }
   for (Constructor c : api.filter().getDeclaredConstructors()) {
     Class[] ps = c.getParameterTypes();
     if (ps.length == 0) return (Filter) c.newInstance();
   }
   throw new Exception("Class " + api.filter().getName() + " must have an empty constructor");
 }
예제 #6
0
 ProxyConnection createProxyConnection() throws Exception {
   // we should always have a separate handler for each proxy connection, so
   // that object methods behave as expected... the handler covers
   // all object methods on behalf of the proxy.
   InvocationHandler handler = new ProxyConnectionInvocationHandler();
   return (ProxyConnection) CON_PROXY_CTOR.newInstance(new Object[] {handler});
 }
  /**
   * Create a default object of the given type. Prefers constructors with as few arguments as
   * possible. Creates an empty proxy for interfaces.
   *
   * @param type type to instantiate
   * @return default instance
   * @throws Exception if the default instance could not be created
   */
  private static Object instantiateType(Class<?> type) throws Exception {
    if (type.isPrimitive()) return Defaults.defaultValue(type);
    else if (type == Void.class) return null;
    else if (type.isArray()) return Array.newInstance(type, 0);
    else if (type.isInterface())
      return Proxy.newProxyInstance(
          type.getClassLoader(),
          new Class[] {type},
          new InvocationHandler() {
            @Override
            public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
              return null;
            }
          });

    // Take a constructor with as few params as possible
    Constructor constructor = type.getDeclaredConstructors()[0];
    for (Constructor<?> c : type.getDeclaredConstructors()) {
      if (c.getParameterTypes().length < constructor.getParameterTypes().length) constructor = c;
    }

    Object[] params = new Object[constructor.getParameterTypes().length];
    for (int i = 0; i < constructor.getParameterTypes().length; i++) {
      params[i] = instantiateType(constructor.getParameterTypes()[i]);
    }
    return constructor.newInstance(params);
  }
예제 #8
0
  @SuppressWarnings("unchecked")
  private <T> T _get(Class<T> type, Set<Class<?>> seenTypes) {
    if (!seenTypes.add(type)) {
      throw new IllegalStateException("Cycle in dependencies for " + type);
    }

    Object singleton = singletons.get(type);
    if (singleton != null) {
      return (T) singleton;
    }

    try {
      Constructor<T> constructor = getConstructor(type);
      Class<?>[] parameterTypes = constructor.getParameterTypes();
      Object[] parameters = new Object[parameterTypes.length];
      for (int i = 0; i < parameterTypes.length; i++) {
        parameters[i] = _get(parameterTypes[i], seenTypes);
      }

      T instance = postProcess(constructor.newInstance(parameters));
      singletons.put(type, instance);
      return instance;
    } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
      throw new IllegalStateException("Unable to create instance of " + type);
    }
  }
예제 #9
0
 public <BLOCK extends Block> BLOCK newBlock(
     String name, Class<BLOCK> cls, Class itemClass, String title) {
   try {
     int id = config.getBlock(name, 4095).getInt();
     Constructor<BLOCK> ctor = cls.getConstructor(int.class);
     BLOCK block = ctor.newInstance(id);
     String qualName = assetKey + ":" + name;
     block.setUnlocalizedName(qualName);
     // block.func_111022_d(qualName.toLowerCase()); // Set default icon name
     // block.func_111022_d(qualName); // Set default icon name
     block.setTextureName(qualName); // Set default icon name
     GameRegistry.registerBlock(block, itemClass);
     if (title != null) {
       LanguageRegistry.addName(block, title);
       if (clientSide) {
         // System.out.printf("%s: BaseMod.newBlock: %s: creative tab = %s\n",
         //	this, block.getUnlocalizedName(), block.getCreativeTabToDisplayOn());
         if (block.getCreativeTabToDisplayOn() == null && !title.startsWith("["))
           block.setCreativeTab(CreativeTabs.tabMisc);
       }
     }
     if (block instanceof IBlock) registeredBlocks.add((IBlock) block);
     return block;
   } catch (Exception e) {
     throw new RuntimeException(e);
   }
 }
예제 #10
0
  private static void testPotato(
      Class<? extends Collection> implClazz, Class<? extends List> argClazz) throws Throwable {
    try {
      System.out.printf("implClazz=%s, argClazz=%s\n", implClazz.getName(), argClazz.getName());
      final int iterations = 100000;
      final List<Integer> list = (List<Integer>) argClazz.newInstance();
      final Integer one = Integer.valueOf(1);
      final List<Integer> oneElementList = Collections.singletonList(one);
      final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
      final Thread t =
          new CheckedThread() {
            public void realRun() {
              for (int i = 0; i < iterations; i++) {
                list.add(one);
                list.remove(one);
              }
            }
          };
      t.setDaemon(true);
      t.start();

      for (int i = 0; i < iterations; i++) {
        Collection<?> coll = constr.newInstance(list);
        Object[] elts = coll.toArray();
        check(elts.length == 0 || (elts.length == 1 && elts[0] == one));
      }
    } catch (Throwable t) {
      unexpected(t);
    }
  }
예제 #11
0
파일: Request2.java 프로젝트: jmcclell/h2o
 private Validator newValidator(API api) throws Exception {
   for (Constructor c : api.validator().getDeclaredConstructors()) {
     c.setAccessible(true);
     Class[] ps = c.getParameterTypes();
     return (Validator) c.newInstance();
   }
   return null;
 }
 private boolean isCompatible(Constructor<?> constructor, Object... arguments) {
   try {
     constructor.newInstance(arguments);
     return true;
   } catch (Exception e) {
     return false;
   }
 }
  /**
   * @param cacheName Cache name.
   * @param key Key.
   * @return Data key.
   * @throws Exception In case of error.
   */
  private Object key(String cacheName, int key) throws Exception {
    Class<?> cls = Class.forName(GridSpringDynamicCacheManager.class.getName() + "$DataKey");

    Constructor<?> cons = cls.getDeclaredConstructor(String.class, Object.class);

    cons.setAccessible(true);

    return cons.newInstance(cacheName, key);
  }
예제 #14
0
  private static Object createArgumentPlaceholderForUnknownClass(
      Class<?> clazz, Integer placeholderId) throws IllegalAccessException, InstantiationException {
    FinalClassArgumentCreator<?> creator = FINAL_CLASS_ARGUMENT_CREATORS.get(clazz);
    if (creator != null) return creator.createArgumentPlaceHolder(placeholderId);

    for (Constructor constructor : clazz.getConstructors()) {
      Class<?>[] params = constructor.getParameterTypes();
      if (params.length != 1) continue;
      try {
        if (params[0] == String.class)
          return constructor.newInstance(String.valueOf(placeholderId));
        if (isNumericClass(params[0])) return constructor.newInstance(placeholderId);
      } catch (IllegalAccessException e1) {
      } catch (InvocationTargetException e2) {
      }
    }
    return clazz.newInstance();
  }
예제 #15
0
  private static void testImplementation(Class<? extends Collection> implClazz) throws Throwable {
    testPotato(implClazz, Vector.class);
    testPotato(implClazz, CopyOnWriteArrayList.class);

    final Constructor<? extends Collection> constr = implClazz.getConstructor(Collection.class);
    final Collection<Object> coll = constr.newInstance(Arrays.asList(new String[] {}));
    coll.add(1);
    equal(coll.toString(), "[1]");
  }
예제 #16
0
  public static Object loadFrame(
      JopSession session, String className, String instance, boolean scrollbar)
      throws ClassNotFoundException {

    if (className.indexOf(".pwg") != -1) {
      GrowFrame frame =
          new GrowFrame(
              className, session.getGdh(), instance, new GrowFrameCb(session), session.getRoot());
      frame.validate();
      frame.setVisible(true);
    } else {
      Object frame;
      if (instance == null) instance = "";

      JopLog.log(
          "JopSpider.loadFrame: Loading frame \"" + className + "\" instance \"" + instance + "\"");
      try {
        Class clazz = Class.forName(className);
        try {
          Class argTypeList[] =
              new Class[] {session.getClass(), instance.getClass(), boolean.class};
          Object argList[] = new Object[] {session, instance, new Boolean(scrollbar)};
          System.out.println("JopSpider.loadFrame getConstructor");
          Constructor constructor = clazz.getConstructor(argTypeList);

          try {
            frame = constructor.newInstance(argList);
          } catch (Exception e) {
            System.out.println(
                "Class instanciation error: "
                    + className
                    + " "
                    + e.getMessage()
                    + " "
                    + constructor);
            return null;
          }
          // frame = clazz.newInstance();
          JopLog.log("JopSpider.loadFrame openFrame");
          openFrame(frame);
          return frame;
        } catch (NoSuchMethodException e) {
          System.out.println("NoSuchMethodException: Unable to get frame constructor " + className);
        } catch (Exception e) {
          System.out.println(
              "Exception: Unable to get frame class " + className + " " + e.getMessage());
        }
      } catch (ClassNotFoundException e) {
        System.out.println("Class not found: " + className);
        throw new ClassNotFoundException();
      }
      return null;
    }
    return null;
  }
예제 #17
0
 @Override
 public T create() {
   Class<T> concreteClass = type.getConcreteClass();
   try {
     Constructor<T> declaredConstructor = concreteClass.getDeclaredConstructor();
     declaredConstructor.setAccessible(true);
     return declaredConstructor.newInstance();
   } catch (InvocationTargetException e) {
     throw UncheckedException.throwAsUncheckedException(e.getTargetException());
   } catch (Exception e) {
     throw UncheckedException.throwAsUncheckedException(e);
   }
 }
 /** {@inheritDoc} */
 public T convert(F from) {
   Object[] initArgs = new Object[argumentConverters.size()];
   int i = 0;
   for (ArgumentConverter<F, Object> argumentConverter : argumentConverters) {
     initArgs[i++] = argumentConverter.convert(from);
   }
   try {
     return constructor.newInstance(initArgs);
   } catch (Exception e) {
     throw new IntrospectionException(
         "Unable to create an object of class " + constructor.getDeclaringClass().getName(), e);
   }
 }
예제 #19
0
 /** Try to create a Java object using a one-string-param constructor. */
 public static Object newStringConstructor(String type, String param) throws Exception {
   Constructor c = Utils.getClass(type).getConstructor(String.class);
   try {
     return c.newInstance(param);
   } catch (InvocationTargetException e) {
     Throwable t = e.getTargetException();
     if (t instanceof Exception) {
       throw (Exception) t;
     } else {
       throw e;
     }
   }
 }
예제 #20
0
 static MappedByteBuffer newMappedByteBufferR(
     int size, long addr, FileDescriptor fd, Runnable unmapper) {
   MappedByteBuffer dbb;
   if (directByteBufferRConstructor == null) initDBBRConstructor();
   try {
     dbb =
         (MappedByteBuffer)
             directByteBufferRConstructor.newInstance(
                 new Object[] {new Integer(size), new Long(addr), fd, unmapper});
   } catch (InstantiationException | IllegalAccessException | InvocationTargetException e) {
     throw new InternalError(e);
   }
   return dbb;
 }
 public void applyBasic()
     throws IllegalAccessException, InvocationTargetException, InstantiationException {
   for (Constructor<?> constructor : type.getDeclaredConstructors()) {
     if (constructor.isSynthetic() && skipSynthetic) {
       continue;
     }
     constructor.setAccessible(true);
     Class<?>[] parameterTypes = constructor.getParameterTypes();
     Object[] actualArguments = new Object[parameterTypes.length];
     Object[] otherArguments = new Object[parameterTypes.length];
     int index = 0;
     for (Class<?> parameterType : parameterTypes) {
       putInstance(parameterType, actualArguments, otherArguments, index++);
     }
     @SuppressWarnings("unchecked")
     T instance = (T) constructor.newInstance(actualArguments);
     checkString(instance);
     assertThat(instance, is(instance));
     assertThat(instance, not(is((Object) null)));
     assertThat(instance, not(is(new Object())));
     assertThat(instance, not(is(constructor.newInstance(otherArguments))));
   }
 }
예제 #22
0
 /**
  * Method that can be called to try to create an instantiate of specified type. Instantiation is
  * done using default no-argument constructor.
  *
  * @param canFixAccess Whether it is possible to try to change access rights of the default
  *     constructor (in case it is not publicly accessible) or not.
  * @throws IllegalArgumentException If instantiation fails for any reason; except for cases where
  *     constructor throws an unchecked exception (which will be passed as is)
  */
 public static <T> T createInstance(Class<T> cls, boolean canFixAccess)
     throws IllegalArgumentException {
   Constructor<T> ctor = findConstructor(cls, canFixAccess);
   if (ctor == null) {
     throw new IllegalArgumentException(
         "Class " + cls.getName() + " has no default (no arg) constructor");
   }
   try {
     return ctor.newInstance();
   } catch (Exception e) {
     ClassUtil.unwrapAndThrowAsIAE(
         e, "Failed to instantiate class " + cls.getName() + ", problem: " + e.getMessage());
     return null;
   }
 }
예제 #23
0
 public static <T> T newInstance(
     Constructor<T> constructor, boolean strict, Object... parameters) {
   if (!strict) parameters = convertArray(parameters, constructor.getParameterTypes());
   Class<T> type = constructor.getDeclaringClass();
   if (deprecated(type))
     escalator.escalate(
         "Instantiating a deprecated class: " + type.getName(), BeanUtil.class, null);
   try {
     return constructor.newInstance(parameters);
   } catch (InstantiationException e) {
     throw ExceptionMapper.configurationException(e, type);
   } catch (IllegalAccessException e) {
     throw ExceptionMapper.configurationException(e, type);
   } catch (InvocationTargetException e) {
     throw ExceptionMapper.configurationException(e, type);
   }
 }
예제 #24
0
  /** {@inheritDoc} */
  @Override
  public HadoopJob createJob(Class<? extends HadoopJob> jobCls, HadoopJobId jobId, IgniteLogger log)
      throws IgniteCheckedException {
    assert jobCls != null;

    try {
      Constructor<? extends HadoopJob> constructor =
          jobCls.getConstructor(HadoopJobId.class, HadoopDefaultJobInfo.class, IgniteLogger.class);

      return constructor.newInstance(jobId, this, log);
    }
    // NB: java.lang.NoClassDefFoundError may be thrown from Class#getConstructor() call.
    catch (Throwable t) {
      if (t instanceof Error) throw (Error) t;

      throw new IgniteCheckedException(t);
    }
  }
예제 #25
0
  T decode(final Entry e) throws LDAPPersistException {
    final T o;
    try {
      o = constructor.newInstance();
    } catch (Throwable t) {
      debugException(t);

      if (t instanceof InvocationTargetException) {
        t = ((InvocationTargetException) t).getTargetException();
      }

      throw new LDAPPersistException(
          ERR_OBJECT_HANDLER_ERROR_INVOKING_CONSTRUCTOR.get(type.getName(), getExceptionMessage(t)),
          t);
    }

    decode(o, e);
    return o;
  }
예제 #26
0
  private static final Record getTypedObject(int type) {
    if (type < 0 || type > knownRecords.length) return unknownRecord.getObject();
    if (knownRecords[type] != null) return knownRecords[type];

    /* Construct the class name by putting the type before "Record". */
    String s =
        Record.class.getPackage().getName() + "." + Type.string(type).replace('-', '_') + "Record";
    try {
      Class c = Class.forName(s);
      Constructor m = c.getDeclaredConstructor(emptyClassArray);
      knownRecords[type] = (Record) m.newInstance(emptyObjectArray);
    } catch (ClassNotFoundException e) {
      /* This is normal; do nothing */
    } catch (Exception e) {
      if (Options.check("verbose")) System.err.println(e);
    }
    if (knownRecords[type] == null) knownRecords[type] = unknownRecord.getObject();
    return knownRecords[type];
  }
예제 #27
0
 public <ITEM extends Item> ITEM newItem(String name, Class<ITEM> cls, String title) {
   try {
     int id = config.getItem(name, 31743).getInt();
     Constructor<ITEM> ctor = cls.getConstructor(int.class);
     ITEM item = ctor.newInstance(id);
     String qualName = assetKey + ":" + name;
     item.setUnlocalizedName(qualName);
     // item.func_111206_d(qualName.toLowerCase()); // Set default icon name
     // item.func_111206_d(qualName); // Set default icon name
     item.setTextureName(qualName); // Set default icon name
     LanguageRegistry.addName(item, title);
     if (clientSide) {
       if (item.getCreativeTab() == null) item.setCreativeTab(CreativeTabs.tabMisc);
     }
     // System.out.printf("BaseMod.newItem: %s unlocalizedName = %s title = %s\n",
     //	item, item.getUnlocalizedName(), title);
     return item;
   } catch (Exception e) {
     throw new RuntimeException(e);
   }
 }
예제 #28
0
  public static void main(String[] args) throws Exception {
    BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
    int num = Integer.parseInt(br.readLine().trim());
    Object o;

    // Solution starts here
    if (num < 1 || num > Math.pow(2, 30)) throw new Exception();
    Solution ob = new Solution();
    Class<?> c = Class.forName("Solution$Private");
    Constructor<?> constructor = c.getDeclaredConstructor(Solution.class);
    constructor.setAccessible(true);
    o = constructor.newInstance(ob);
    Method m = c.getDeclaredMethod("powerof2", new Class[] {int.class});
    m.setAccessible(true);
    String ans = (String) m.invoke(o, num);
    System.out.println(num + " is " + ans);
    // ends here

    System.out.println(
        "An instance of class: " + o.getClass().getSimpleName() + " has been created");
  } // end of main
예제 #29
0
  /** Look on disk for an editor with the class name 'ocName'. */
  PluggableEditor loadEditorFromDisk(String ocName) {
    // if here, we need to look on disk for a pluggable editor class...
    log.finer("looking for ocName: " + ocName);
    try {
      Class c = myLoader.loadClass(ocName);
      Constructor constructor = c.getConstructor(new Class[0]);

      // XXX If the pluggable editor has an error in the constructor, under some
      // XXX circumstances it can fail so badly that this call never returns, and
      // XXX the thread hangs!  It doesn't even get to the exception handler below...
      // XXX but sometimes if the constructor fails everything works as expected.  Wierd.
      PluggableEditor editor = (PluggableEditor) constructor.newInstance(new Object[0]);

      editors.put(ocName, editor); // add the new editor to our list
      return editor;
    } catch (Exception e) // expected condition - just means no pluggable editor available
    {
      if (e
          instanceof
          InvocationTargetException) // rare exception - an error was encountered in the plugin's
                                     // constructor.
      {
        log.warning("unable to load special editor for: '" + ocName + "' " + e);
        if (JXConfig.debugLevel >= 1) {
          log.warning("Error loading plugin class: ");
          ((InvocationTargetException) e).getTargetException().printStackTrace();
        }
      }

      log.log(Level.FINEST, "'Expected' Error loading " + ocName, e);
      editors.put(ocName, NONE); // add a blank place holder - we can't load
      // an editor for this, and there's no point looking again. (change if want dynamic loading,
      // i.e. look *every* time)
    }
    return null; // only here if an error has occured.
  }
예제 #30
0
 private Object deserialize(Node node, boolean setProperty, boolean popBean) throws Exception {
   Object object = null;
   currentType = null;
   currentNode = node;
   currentName = node.getNodeName();
   boolean isNull = false;
   NamedNodeMap attrs = node.getAttributes();
   String arrayType = null;
   for (int i = 0; i < attrs.getLength(); i++) {
     String nodeName = attrs.item(i).getNodeName();
     String nodeValue = attrs.item(i).getNodeValue();
     if (nodeName.equals(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":" + Constants.ATTR_TYPE))
       currentType = new StringBuffer(nodeValue).delete(0, nodeValue.indexOf(':') + 1).toString();
     else if (nodeName.equals(
         NamespaceConstants.NSPREFIX_SOAP_ENCODING + ":" + Constants.ATTR_ARRAY_TYPE))
       arrayType = new StringBuffer(nodeValue).delete(0, nodeValue.indexOf(':') + 1).toString();
     else if (nodeName.equals(NamespaceConstants.NSPREFIX_SCHEMA_XSI + ":null"))
       isNull = nodeValue.equals("true");
   }
   Class cls = null;
   if (currentType != null) cls = getXsdTypeClass(currentType);
   // Handle array, Vector, ArrayList, LinkedList, Hashtable,
   // Properties, and HashMap data types
   if ((cls != null)
       && ((cls == java.lang.reflect.Array.class)
           || (cls == Vector.class)
           || (cls == ArrayList.class)
           || (cls == LinkedList.class)
           || (cls == Hashtable.class)
           || (cls == Properties.class)
           || (cls == HashMap.class)
           || (cls == SortedMap.class))) {
     parentNode = currentNode;
     String name = node.getNodeName();
     // Handle arrays
     if (cls == java.lang.reflect.Array.class) {
       int a = arrayType.indexOf("[");
       int b = arrayType.indexOf("]");
       String s = arrayType.substring(a + 1, b);
       int arrayLen = Integer.valueOf(s).intValue();
       arrayType = arrayType.substring(0, a);
       // check if the array element is a standard Java class
       Class arrayClass = getXsdTypeClass(arrayType);
       // otherwise try to get the class of the bean
       if (arrayClass == null)
         arrayClass = getClassOfBean((ClassLoader) classLoaderStrategy, arrayType);
       object = java.lang.reflect.Array.newInstance(arrayClass, arrayLen);
     } else {
       // Construct the list or map type
       Constructor ct = cls.getConstructor((Class[]) null);
       object = ct.newInstance((Object[]) null);
     }
     // deserialize the elements of the array, list, or map
     NodeList childNodes = node.getChildNodes();
     int arrayIndex = -1;
     Node childNode = null;
     Object nodeObj = null;
     for (int i = 0; i < childNodes.getLength(); i++) {
       childNode = childNodes.item(i);
       if (childNode.getNodeType() == Node.ELEMENT_NODE) {
         if ((cls == java.lang.reflect.Array.class)
             || (cls == Vector.class)
             || (cls == ArrayList.class)
             || (cls == LinkedList.class)) {
           nodeObj = deserialize(childNode, false, true);
           if (nodeObj != null) {
             if (cls == java.lang.reflect.Array.class)
               java.lang.reflect.Array.set(object, ++arrayIndex, nodeObj);
             else ((List) object).add(nodeObj);
           }
         } else if ((cls == Hashtable.class)
             || (cls == Properties.class)
             || (cls == HashMap.class)
             || (cls == SortedMap.class)) {
           if (childNode.getLocalName().equals("item")) {
             NodeList htNodes = childNode.getChildNodes();
             if (htNodes.getLength() == 2) {
               Object hashKey = deserialize(htNodes.item(0), false, false);
               Object hashValue = deserialize(htNodes.item(1), false, true);
               ((Map) object).put(hashKey, hashValue);
             }
           }
         }
       }
     }
     setBeanProperty(name, object);
     // Handle everything else (primitives & POJOs)
   } else {
     // recurse on each of the child nodes
     NodeList childNodes = node.getChildNodes();
     if ((childNodes != null) && (childNodes.getLength() > 0)) {
       for (int i = 0; i < childNodes.getLength(); i++) {
         Node childNode = childNodes.item(i);
         if (childNode.getNodeType() == Node.ELEMENT_NODE) {
           if (currentType != null)
             createObject(
                 node,
                 currentName,
                 currentPackage,
                 currentType,
                 childNode.getNodeValue(),
                 setProperty);
           parentNode = node;
           object = deserialize(childNode, true, true);
         } else if ((childNode.getNodeType() == Node.TEXT_NODE) && (currentType != null)) {
           object =
               createObject(
                   node,
                   currentName,
                   currentPackage,
                   currentType,
                   childNode.getNodeValue(),
                   setProperty);
         }
         currentType = null;
       }
     } else {
       if (!isNull)
         object = createObject(node, currentName, currentPackage, currentType, null, setProperty);
     }
     if (node.getParentNode() != parentNode) {
       parentNode = node.getParentNode();
       if (popBean) {
         Object bean = popBeanOffStack();
         if (bean != null) object = bean;
       }
     }
   }
   return object;
 }