Beispiel #1
0
 private static void netxsurgery() throws Exception {
   /* Force off NetX codebase classloading. */
   Class<?> nxc;
   try {
     nxc = Class.forName("net.sourceforge.jnlp.runtime.JNLPClassLoader");
   } catch (ClassNotFoundException e1) {
     try {
       nxc = Class.forName("netx.jnlp.runtime.JNLPClassLoader");
     } catch (ClassNotFoundException e2) {
       throw (new Exception("No known NetX on classpath"));
     }
   }
   ClassLoader cl = MainFrame.class.getClassLoader();
   if (!nxc.isInstance(cl)) {
     throw (new Exception("Not running from a NetX classloader"));
   }
   Field cblf, lf;
   try {
     cblf = nxc.getDeclaredField("codeBaseLoader");
     lf = nxc.getDeclaredField("loaders");
   } catch (NoSuchFieldException e) {
     throw (new Exception("JNLPClassLoader does not conform to its known structure"));
   }
   cblf.setAccessible(true);
   lf.setAccessible(true);
   Set<Object> loaders = new HashSet<Object>();
   Stack<Object> open = new Stack<Object>();
   open.push(cl);
   while (!open.empty()) {
     Object cur = open.pop();
     if (loaders.contains(cur)) continue;
     loaders.add(cur);
     Object curl;
     try {
       curl = lf.get(cur);
     } catch (IllegalAccessException e) {
       throw (new Exception("Reflection accessibility not available even though set"));
     }
     for (int i = 0; i < Array.getLength(curl); i++) {
       Object other = Array.get(curl, i);
       if (nxc.isInstance(other)) open.push(other);
     }
   }
   for (Object cur : loaders) {
     try {
       cblf.set(cur, null);
     } catch (IllegalAccessException e) {
       throw (new Exception("Reflection accessibility not available even though set"));
     }
   }
 }
  public <T extends Item> T getItem(Class<T> c) {
    for (int i = 0; i < items.length; i++) {
      if (c.isInstance(items[i])) return c.cast(items[i]);
    }

    return null;
  }
 protected final AbstractAudioChunk findChunk(List<AbstractAudioChunk> chunks, Class c) {
   for (Iterator<AbstractAudioChunk> i = chunks.iterator(); i.hasNext(); ) {
     AbstractAudioChunk chunk = i.next();
     if (c.isInstance(chunk)) return chunk;
   }
   return null;
 }
Beispiel #4
0
 /**
  * Checks that FileChannel map throws one of the expected exceptions when invoked with the given
  * inputs.
  */
 private static void checkException(
     FileChannel fc, MapMode mode, long position, long size, Class<?>... expected)
     throws IOException {
   Exception exc = null;
   try {
     fc.map(mode, position, size);
   } catch (Exception actual) {
     exc = actual;
   }
   if (exc != null) {
     for (Class<?> clazz : expected) {
       if (clazz.isInstance(exc)) {
         return;
       }
     }
   }
   System.err.println("Expected one of");
   for (Class<?> clazz : expected) {
     System.out.println(clazz);
   }
   if (exc == null) {
     throw new RuntimeException("No expection thrown");
   } else {
     throw new RuntimeException("Unexpected exception thrown", exc);
   }
 }
Beispiel #5
0
 /**
  * Removes the property of the given type.
  *
  * @return The property that was just removed.
  * @since 1.279
  */
 public <T extends JobProperty> T removeProperty(Class<T> clazz) throws IOException {
   for (JobProperty<? super JobT> p : properties) {
     if (clazz.isInstance(p)) {
       removeProperty(p);
       return clazz.cast(p);
     }
   }
   return null;
 }
Beispiel #6
0
 /**
  * Searches the current debug scope, bottom up, for a context object that is an instance of a
  * given type. The first such object found is returned.
  */
 @SuppressWarnings("unchecked")
 public static <T> T contextLookup(Class<T> clazz) {
   if (ENABLED) {
     for (Object o : context()) {
       if (clazz.isInstance(o)) {
         return ((T) o);
       }
     }
   }
   return null;
 }
Beispiel #7
0
 private void expect(Class<?> c) {
   if (!c.isInstance(stack.peek())) {
     throw new IllegalStateException(
         "Internal stack error: "
             + "Expected '"
             + c.getName()
             + "' found '"
             + stack.peek().getClass().getName()
             + "'");
   }
 }
 public static <E extends Exception> VirtualFileVisitor.Result visitChildrenRecursively(
     @NotNull VirtualFile file, @NotNull VirtualFileVisitor visitor, @NotNull Class<E> eClass)
     throws E {
   try {
     return visitChildrenRecursively(file, visitor);
   } catch (VisitorException e) {
     final Throwable cause = e.getCause();
     if (eClass.isInstance(cause)) {
       throw eClass.cast(cause);
     }
     throw e;
   }
 }
Beispiel #9
0
  /**
   * Convenience method for searching above the given component in the component hierarchy and
   * returns the first object of the given type it finds, or <code>null</code> if no such parent was
   * found.
   *
   * <p>The reason this method exists is for tidyness of the calling code, as no longer a explicit
   * cast is needed.
   *
   * @param aType the type of the parent to find, cannot be <code>null</code>;
   * @param aComponent the component to search in the hierarchy, cannot be <code>null</code>.
   * @return the requested ancestor, or <code>null</code> if not found.
   * @see SwingUtilities#getAncestorOfClass(Class, Component)
   */
  @SuppressWarnings("unchecked")
  public static <T> T getAncestorOfClass(final Class<T> aType, final Component aComponent) {
    if ((aComponent == null) || (aType == null)) {
      return null;
    }

    Container parent = aComponent.getParent();
    while ((parent != null) && !(aType.isInstance(parent))) {
      parent = parent.getParent();
    }

    return (T) parent;
  }
  public SOAPMessage get(Object endPoint) throws SOAPException {
    if (closed) {
      log.severe("SAAJ0011.p2p.get.already.closed.conn");
      throw new SOAPExceptionImpl("Connection is closed");
    }
    Class urlEndpointClass = null;

    try {
      urlEndpointClass = Class.forName("javax.xml.messaging.URLEndpoint");
    } catch (Exception ex) {
      // Do nothing. URLEndpoint is available only when JAXM is there.
    }

    if (urlEndpointClass != null) {
      if (urlEndpointClass.isInstance(endPoint)) {
        String url = null;

        try {
          Method m = urlEndpointClass.getMethod("getURL", (Class[]) null);
          url = (String) m.invoke(endPoint, (Object[]) null);
        } catch (Exception ex) {
          log.severe("SAAJ0004.p2p.internal.err");
          throw new SOAPExceptionImpl("Internal error: " + ex.getMessage());
        }
        try {
          endPoint = new URL(url);
        } catch (MalformedURLException mex) {
          log.severe("SAAJ0005.p2p.");
          throw new SOAPExceptionImpl("Bad URL: " + mex.getMessage());
        }
      }
    }

    if (endPoint instanceof java.lang.String) {
      try {
        endPoint = new URL((String) endPoint);
      } catch (MalformedURLException mex) {
        log.severe("SAAJ0006.p2p.bad.URL");
        throw new SOAPExceptionImpl("Bad URL: " + mex.getMessage());
      }
    }

    if (endPoint instanceof URL)
      try {
        SOAPMessage response = doGet((URL) endPoint);
        return response;
      } catch (Exception ex) {
        throw new SOAPExceptionImpl(ex);
      }
    else throw new SOAPExceptionImpl("Bad endPoint type " + endPoint);
  }
Beispiel #11
0
 @SuppressWarnings("unchecked")
 public static <T> List<T> contextSnapshot(Class<T> clazz) {
   if (ENABLED) {
     List<T> result = new ArrayList<>();
     for (Object o : context()) {
       if (clazz.isInstance(o)) {
         result.add((T) o);
       }
     }
     return result;
   } else {
     return Collections.emptyList();
   }
 }
  /**
   * Return the first fetch response item of the given class for the given message number.
   *
   * @param r the responses
   * @param msgno the message number
   * @param c the class
   * @param	<T> the type of fetch item
   * @return the fetch item
   */
  public static <T extends Item> T getItem(Response[] r, int msgno, Class<T> c) {
    if (r == null) return null;

    for (int i = 0; i < r.length; i++) {

      if (r[i] == null
          || !(r[i] instanceof FetchResponse)
          || ((FetchResponse) r[i]).getNumber() != msgno) continue;

      FetchResponse f = (FetchResponse) r[i];
      for (int j = 0; j < f.items.length; j++) {
        if (c.isInstance(f.items[j])) return c.cast(f.items[j]);
      }
    }

    return null;
  }
  /**
   * Return all fetch response items of the given class for the given message number.
   *
   * @param r the responses
   * @param msgno the message number
   * @param c the class
   * @param	<T> the type of fetch items
   * @return the list of fetch items
   * @since JavaMail 1.5.2
   */
  public static <T extends Item> List<T> getItems(Response[] r, int msgno, Class<T> c) {
    List<T> items = new ArrayList<T>();

    if (r == null) return items;

    for (int i = 0; i < r.length; i++) {

      if (r[i] == null
          || !(r[i] instanceof FetchResponse)
          || ((FetchResponse) r[i]).getNumber() != msgno) continue;

      FetchResponse f = (FetchResponse) r[i];
      for (int j = 0; j < f.items.length; j++) {
        if (c.isInstance(f.items[j])) items.add(c.cast(f.items[j]));
      }
    }

    return items;
  }
 private static boolean checkType(
     String what, Object object, Class wrongClass, boolean isException) {
   final String type = isException ? "exception" : "object";
   final String rendered = isException ? "thrown" : "returned";
   System.out.println("For " + type + " " + rendered + " by " + what + ":");
   if (wrongClass.isInstance(object)) {
     System.out.println("TEST FAILS: " + type + " loaded by test " + "classloader");
     return false;
   }
   String className = object.getClass().getName();
   if (!className.equals(wrongClass.getName())) {
     System.out.println(
         "TEST FAILS: " + rendered + " " + type + " has wrong class name: " + className);
     return false;
   }
   System.out.println(
       "Test passes: " + rendered + " " + type + " has same class name but is not same class");
   return true;
 }
  public SOAPMessage call(SOAPMessage message, Object endPoint) throws SOAPException {
    if (closed) {
      log.severe("SAAJ0003.p2p.call.already.closed.conn");
      throw new SOAPExceptionImpl("Connection is closed");
    }

    Class urlEndpointClass = null;
    ClassLoader loader = Thread.currentThread().getContextClassLoader();
    try {
      if (loader != null) {
        urlEndpointClass = loader.loadClass(JAXM_URLENDPOINT);
      } else {
        urlEndpointClass = Class.forName(JAXM_URLENDPOINT);
      }
    } catch (ClassNotFoundException ex) {
      // Do nothing. URLEndpoint is available only when JAXM is there.
      log.finest("SAAJ0090.p2p.endpoint.available.only.for.JAXM");
    }

    if (urlEndpointClass != null) {
      if (urlEndpointClass.isInstance(endPoint)) {
        String url = null;

        try {
          Method m = urlEndpointClass.getMethod("getURL", (Class[]) null);
          url = (String) m.invoke(endPoint, (Object[]) null);
        } catch (Exception ex) {
          // TBD -- exception chaining
          log.log(Level.SEVERE, "SAAJ0004.p2p.internal.err", ex);
          throw new SOAPExceptionImpl("Internal error: " + ex.getMessage());
        }
        try {
          endPoint = new URL(url);
        } catch (MalformedURLException mex) {
          log.log(Level.SEVERE, "SAAJ0005.p2p.", mex);
          throw new SOAPExceptionImpl("Bad URL: " + mex.getMessage());
        }
      }
    }

    if (endPoint instanceof java.lang.String) {
      try {
        endPoint = new URL((String) endPoint);
      } catch (MalformedURLException mex) {
        log.log(Level.SEVERE, "SAAJ0006.p2p.bad.URL", mex);
        throw new SOAPExceptionImpl("Bad URL: " + mex.getMessage());
      }
    }

    if (endPoint instanceof URL)
      try {
        SOAPMessage response = post(message, (URL) endPoint);
        return response;
      } catch (Exception ex) {
        // TBD -- chaining?
        throw new SOAPExceptionImpl(ex);
      }
    else {
      log.severe("SAAJ0007.p2p.bad.endPoint.type");
      throw new SOAPExceptionImpl("Bad endPoint type " + endPoint);
    }
  }
  /**
   * Process and loop until told to stop. A callback_done will stop the loop and will return a
   * result. Otherwise null is returned.
   */
  public Object run() throws CommandException {
    Object result = null;
    boolean shutdown = false;
    boolean closeWhenDone = true;
    Commands.ValueObject valueObject =
        new Commands.ValueObject(); // Working value object so not continually recreated.
    InvokableValueSender valueSender =
        new InvokableValueSender(); // Working valuesender so not continually recreated.
    try {
      boolean doLoop = true;

      /**
       * Note: In the cases below you will see a lot of finally clauses that null variables out.
       * This is because this is a long running loop, and variables declared within blocks are not
       * garbage collected until the method is terminated, so these variables once set would never
       * be GC'd. The nulling at the end of the case makes sure that any of those objects set are
       * now available for garbage collection when necessary.
       */
      while (doLoop && isConnected()) {
        byte cmd = 0;
        try {
          if (LINUX_1_3) socket.setSoTimeout(1000); // Linux 1.3 bug, see comment on LINUX_1_3
          cmd = in.readByte();
          if (LINUX_1_3 && isConnected())
            socket.setSoTimeout(0); // Linux 1.3 bug, see comment on LINUX_1_3
        } catch (InterruptedIOException e) {
          continue; // Timeout, try again
        }
        switch (cmd) {
          case Commands.QUIT_CONNECTION:
            doLoop = false;
            break; // Close this connection

          case Commands.TERMINATE_SERVER:
            doLoop = false;
            shutdown = true; // Shutdown everything
            break;

          case Commands.GET_CLASS:
            String className = in.readUTF();
            Class aClass = null;
            Class superClass = null;
            String superClassName = null;
            boolean added = false;
            try {
              aClass =
                  Class.forName(
                      className); // Turns out using JNI format for array type will work fine.

              added = server.getIdentityID(aClass, valueObject);
              boolean isInterface = aClass.isInterface();
              boolean isAbstract = java.lang.reflect.Modifier.isAbstract(aClass.getModifiers());
              superClass = aClass.getSuperclass();
              superClassName = (superClass != null) ? superClass.getName() : ""; // $NON-NLS-1$
              out.writeByte(Commands.GET_CLASS_RETURN);
              out.writeInt(valueObject.objectID);
              out.writeBoolean(isInterface);
              out.writeBoolean(isAbstract);
              out.writeUTF(superClassName);
              out.flush();
            } catch (ClassNotFoundException e) {
              valueObject.set();
              Commands.sendErrorCommand(out, Commands.GET_CLASS_NOT_FOUND, valueObject);
            } catch (ExceptionInInitializerError e) {
              sendException(e.getException(), valueObject, out);
            } catch (LinkageError e) {
              sendException(e, valueObject, out);
            } catch (Throwable e) {
              // Something bad, did we add a class? If we did remove it from the table.
              if (added) server.removeObject(server.getObject(valueObject.objectID));
              throw e;
            } finally {
              // clear out for GC to work.
              className = null;
              aClass = null;
              superClass = null;
              superClassName = null;
              valueObject.set();
            }
            break;

          case Commands.GET_CLASS_FROM_ID:
            int classID = in.readInt();
            try {
              aClass = (Class) server.getObject(classID);
              boolean isInterface = aClass.isInterface();
              boolean isAbstract = java.lang.reflect.Modifier.isAbstract(aClass.getModifiers());
              superClass = aClass.getSuperclass();
              superClassName = (superClass != null) ? superClass.getName() : ""; // $NON-NLS-1$
              out.writeByte(Commands.GET_CLASS_ID_RETURN);
              out.writeUTF(aClass.getName());
              out.writeBoolean(isInterface);
              out.writeBoolean(isAbstract);
              out.writeUTF(superClassName);
              out.flush();
            } catch (ClassCastException e) {
              valueObject.set();
              Commands.sendErrorCommand(out, Commands.CLASS_CAST_EXCEPTION, valueObject);
            } finally {
              // clear out for GC to work.
              aClass = null;
              superClass = null;
              superClassName = null;
              valueObject.set();
            }
            break;

          case Commands.GET_OBJECT_DATA:
            int objectID = in.readInt();
            Object anObject = null;
            try {
              anObject = server.getObject(objectID);
              valueObject.setObjectID(objectID, server.getIdentityID(anObject.getClass()));
              Commands.writeValue(out, valueObject, true);
            } catch (ClassCastException e) {
              valueObject.set();
              Commands.sendErrorCommand(out, Commands.CLASS_CAST_EXCEPTION, valueObject);
            } finally {
              anObject = null; // Clear out for GC to work
              valueObject.set();
            }
            break;

          case Commands.RELEASE_OBJECT:
            int id = in.readInt();
            server.removeObject(server.getObject(id));
            break;

          case Commands.NEW_INIT_STRING:
            classID = in.readInt(); // ID Of class to do new upon.
            String initString = in.readUTF(); // The init string.
            Object newValue = null;
            Class theClass = null;
            try {
              theClass = (Class) server.getObject(classID);
              if (theClass == null) {
                // The class wasn't found. So imply ClassNotFound exception.
                throw new ClassNotFoundException();
              }

              InitializationStringParser parser = null;
              try {
                parser = InitializationStringParser.createParser(initString);
                newValue = parser.evaluate();
                boolean primitive = parser.isPrimitive();
                // If expected class is Void.TYPE, that means don't test the type of the result
                // to verify if correct type, just return what it really is.
                if (theClass != Void.TYPE && primitive != theClass.isPrimitive()) {
                  valueObject.set();
                  Commands.sendErrorCommand(out, Commands.CLASS_CAST_EXCEPTION, valueObject);
                  continue; // Goto next command.
                }
                if (primitive) {
                  try {
                    // Need to do special tests for compatibility and assignment.
                    sendObject(
                        newValue,
                        classID != Commands.VOID_TYPE
                            ? classID
                            : server.getIdentityID(parser.getExpectedType()),
                        valueObject,
                        out,
                        true); // This will make sure it goes out as the correct primitive type
                  } catch (ClassCastException e) {
                    // The returned type is not of the correct type for what is expected.
                    valueObject.set();
                    Commands.sendErrorCommand(out, Commands.CLASS_CAST_EXCEPTION, valueObject);
                    continue; // Goto next command
                  }
                } else {
                  if (newValue != null) {
                    // Test to see if they are compatible. (Null can be assigned to any object,
                    // so that is why it was tested out above).
                    // If expected class is Void.TYPE, that means don't test the type of the result
                    // to verify if correct type, just return what it really is.
                    if (theClass != Void.TYPE && !theClass.isInstance(newValue)) {
                      // The returned type is not of the correct type for what is expected.
                      valueObject.set();
                      Commands.sendErrorCommand(out, Commands.CLASS_CAST_EXCEPTION, valueObject);
                      continue; // Goto next command
                    }
                  }
                  sendObject(
                      newValue, NOT_A_PRIMITIVE, valueObject, out, true); // Send out as an object.
                }
              } catch (InitializationStringEvaluationException e) {
                if (e instanceof EvaluationException) {
                  // Want to return the real exception.
                  sendException(e.getOriginalException(), valueObject, out);
                } else {
                  // Couldn't be evaluated, return an error for this.
                  setExceptionIntoValue(e.getOriginalException(), valueObject);
                  Commands.sendErrorCommand(out, Commands.CANNOT_EVALUATE_STRING, valueObject);
                }
              } finally {
                parser = null; // Clear out for GC to work
              }
            } catch (Throwable e) {
              sendException(e, valueObject, out);
            } finally {
              // Clear out for GC to work
              initString = null;
              theClass = null;
              newValue = null;
              valueObject.set();
            }
            break;

          case Commands.INVOKE:
            Object target = null;
            Object[] parms = null;
            Class returnType = null;
            java.lang.reflect.Method aMethod = null;
            try {
              int methodID = in.readInt(); // ID of method to invoke
              aMethod = (java.lang.reflect.Method) server.getObject(methodID); // Method to invoke
              Commands.readValue(in, valueObject);
              target = getInvokableObject(valueObject);
              Commands.readValue(in, valueObject);
              if (valueObject.type == Commands.ARRAY_IDS) {
                // It is an array containing IDs, as it normally would be.
                valueSender.initialize(valueObject);
                Commands.readArray(in, valueObject.anInt, valueSender, valueObject, false);
                parms = (Object[]) valueSender.getArray();
              } else {
                // It is all objects or null, so it should be an Object[] or null. If not, then this
                // is an error.
                parms = (Object[]) valueObject.anObject;
              }

              if (!aMethod.isAccessible())
                aMethod.setAccessible(
                    true); // We will allow all to occur. Let access control be handled by IDE and
                           // compiler.
              newValue = aMethod.invoke(target, parms);
              returnType = aMethod.getReturnType();
              if (returnType.isPrimitive()) {
                int returnTypeID = server.getIdentityID(returnType);
                // Need to tell sendObject the correct primitive type.
                sendObject(newValue, returnTypeID, valueObject, out, true);

              } else {
                sendObject(
                    newValue,
                    NOT_A_PRIMITIVE,
                    valueObject,
                    out,
                    true); // Just send the object back. sendObject knows how to iterpret the type
              }
            } catch (CommandException e) {
              throw e; // Throw it again. These we don't want to come up as an exception proxy.
                       // These should end the thread.
            } catch (java.lang.reflect.InvocationTargetException e) {
              // This is a wrappered exception. Return the wrappered one so it looks like
              // it was the real one. (Sometimes the method being invoked is on a
              // java.lang.reflect.Constructor.newInstance,
              // which in turn is an InvocationTargetException, so we will go until we don't have an
              // InvocationTargetException.
              Throwable t = e;
              do {
                t = ((java.lang.reflect.InvocationTargetException) t).getTargetException();
              } while (t instanceof java.lang.reflect.InvocationTargetException);
              sendException(t, valueObject, out);
            } catch (Throwable e) {
              sendException(e, valueObject, out); // Turn it into a exception proxy on the client.
            } finally {
              // Clear out for GC to work
              valueObject.set();
              parms = null;
              target = null;
              aMethod = null;
              returnType = null;
              newValue = null;
              valueSender.clear();
            }
            break;

          case Commands.INVOKE_WITH_METHOD_PASSED:
            aClass = null;
            String methodName = null;
            Class[] parmTypes = null;
            target = null;
            parms = null;
            returnType = null;
            aMethod = null;

            try {
              Commands.readValue(in, valueObject);
              aClass = (Class) getInvokableObject(valueObject); // The class that has the method.
              methodName = in.readUTF();
              Commands.readValue(in, valueObject);
              if (valueObject.type == Commands.ARRAY_IDS) {
                // It is an array containing IDs, as it normally would be.
                valueSender.initialize(valueObject);
                Commands.readArray(in, valueObject.anInt, valueSender, valueObject, false);
                parmTypes = (Class[]) valueSender.getArray();
              } else {
                // It null, so it should be an null. If not, then this is an error.
                parmTypes = null;
              }
              aMethod = aClass.getMethod(methodName, parmTypes);

              // Now we get the info for the invocation of the method and execute it.
              Commands.readValue(in, valueObject);
              target = getInvokableObject(valueObject);
              Commands.readValue(in, valueObject);
              if (valueObject.type == Commands.ARRAY_IDS) {
                // It is an array containing IDs, as it normally would be.
                valueSender.initialize(valueObject);
                Commands.readArray(in, valueObject.anInt, valueSender, valueObject, false);
                parms = (Object[]) valueSender.getArray();
              } else {
                // It is all objects or null, so it should be an Object[] or null. If not, then this
                // is an error.
                parms = (Object[]) valueObject.anObject;
              }

              if (!aMethod.isAccessible())
                aMethod.setAccessible(
                    true); // We will allow all to occur. Let access control be handled by IDE and
                           // compiler.
              newValue = aMethod.invoke(target, parms);
              returnType = aMethod.getReturnType();
              if (returnType.isPrimitive()) {
                int returnTypeID = server.getIdentityID(returnType);
                // Need to tell sendObject the correct primitive type.
                sendObject(newValue, returnTypeID, valueObject, out, true);

              } else {
                sendObject(
                    newValue,
                    NOT_A_PRIMITIVE,
                    valueObject,
                    out,
                    true); // Just send the object back. sendObject knows how to iterpret the type
              }
            } catch (CommandException e) {
              throw e; // Throw it again. These we don't want to come up as an exception proxy.
                       // These should end the thread.
            } catch (java.lang.reflect.InvocationTargetException e) {
              // This is a wrappered exception. Return the wrappered one so it looks like
              // it was the real one. (Sometimes the method being invoked is on a
              // java.lang.reflect.Constructor.newInstance,
              // which in turn is an InvocationTargetException, so we will go until we don't have an
              // InvocationTargetException.
              Throwable t = e;
              do {
                t = ((java.lang.reflect.InvocationTargetException) t).getTargetException();
              } while (t instanceof java.lang.reflect.InvocationTargetException);
              sendException(t, valueObject, out);

            } catch (Throwable e) {
              sendException(e, valueObject, out); // Turn it into a exception proxy on the client.
            } finally {
              aClass = null;
              methodName = null;
              parmTypes = null;
              // Clear out for GC to work
              valueObject.set();
              parms = null;
              target = null;
              aMethod = null;
              returnType = null;
              newValue = null;
              valueSender.clear();
            }
            break;

          case Commands.GET_ARRAY_CONTENTS:
            try {
              target = server.getObject(in.readInt()); // Array to get the ids for.
              valueObject.setArrayIDS(
                  new ArrayContentsRetriever(target),
                  Array.getLength(target),
                  Commands.OBJECT_CLASS);
              Commands.writeValue(out, valueObject, true); // Write it back as a value command.
            } catch (CommandException e) {
              throw e; // Throw it again. These we don't want to come up as an exception proxy.
                       // These should end the thread.
            } catch (Throwable e) {
              sendException(e, valueObject, out); // Turn it into a exception proxy on the client.
            } finally {
              target = null;
              valueObject.set();
            }
            break;

          case Commands.CALLBACK_DONE:
            try {
              if (connectionThread != null) {
                valueObject.set();
                Commands.sendErrorCommand(out, Commands.UNKNOWN_COMMAND_SENT, valueObject);
              } else {
                try {
                  Commands.readBackValue(in, valueObject, Commands.NO_TYPE_CHECK);
                  if (valueObject.type == Commands.ARRAY_IDS) {
                    // It is an array containing IDs, as it normally would be.
                    valueSender.initialize(valueObject);
                    Commands.readArray(in, valueObject.anInt, valueSender, valueObject, false);
                    result = valueSender.getArray();
                  } else {
                    result = getInvokableObject(valueObject);
                  }
                  doLoop = false; // We need to terminate and return result
                  closeWhenDone = false; // Don't close, we will continue.
                } catch (CommandErrorException e) {
                  // There was an command error on the other side. This means
                  // connection still good, but don't continue the callback processing.
                  doLoop = false; // We need to terminate and return result
                  closeWhenDone = false; // Don't close, we will continue.
                  throw e; // Let it go on out.
                }
              }
            } finally {
              valueObject.set();
              valueSender.clear();
            }
            break;

          case Commands.ERROR:
            try {
              // Got an error command. Don't know what to do but read the
              // value and simply print it out.
              Commands.readValue(in, valueObject);
              result = getInvokableObject(valueObject);
              System.out.println("Error sent to server: Result=" + result); // $NON-NLS-1$
            } finally {
              valueObject.set();
            }
            break;

          case Commands.EXPRESSION_TREE_COMMAND:
            try {
              processExpressionCommand(valueObject, valueSender);
            } finally {
              valueObject.set();
              valueSender.clear();
            }
            break;

          default:
            // Unknown command. We don't know how long it is, so we need to shut the connection
            // down.
            System.err.println("Error: Invalid cmd send to server: Cmd=" + cmd); // $NON-NLS-1$
            doLoop = false;
            closeWhenDone = true;
            break;
        }
      }
    } catch (EOFException e) {
      // This is ok. It means that the connection on the other side was terminated.
      // So just accept this and go down.
    } catch (CommandException e) {
      throw e;
    } catch (SocketException e) {
      if (socket != null)
        throw new UnexpectedExceptionCommandException(
            false, e); // socket null means a valid close request
    } catch (Throwable e) {
      e.printStackTrace();
    } finally {
      if (closeWhenDone) {
        try {
          for (Iterator itr = expressionProcessors.values().iterator(); itr.hasNext(); ) {
            ExpressionProcesserController exp = (ExpressionProcesserController) itr.next();
            exp.close();
          }
        } finally {
          expressionProcessors.clear();
        }

        if (in != null)
          try {
            in.close();
          } catch (Exception e) {
          }
        in = null;
        if (out != null)
          try {
            out.close();
          } catch (Exception e) {
          }
        out = null;
        close();
      }
    }

    if (closeWhenDone && connectionThread != null) server.removeConnectionThread(connectionThread);
    if (shutdown) server.requestShutdown();

    return result;
  }
  private Object getParam(
      final Class<?> pClass,
      final String pName,
      final ParamType pType,
      final String pXpath,
      final HttpMessage pMessage)
      throws XmlException {
    Object result = null;
    switch (pType) {
      case GET:
        result = getParamGet(pName, pMessage);
        break;
      case POST:
        result = getParamPost(pName, pMessage);
        break;
      case QUERY:
        result = getParamGet(pName, pMessage);
        if (result == null) {
          result = getParamPost(pName, pMessage);
        }
        break;
      case VAR:
        result = mPathParams.get(pName);
        break;
      case XPATH:
        result = getParamXPath(pClass, pXpath, pMessage.getBody());
        break;
      case BODY:
        result = getBody(pClass, pMessage);
        break;
      case ATTACHMENT:
        result = getAttachment(pClass, pName, pMessage);
        break;
      case PRINCIPAL:
        {
          final Principal principal = pMessage.getUserPrincipal();
          if (pClass.isAssignableFrom(String.class)) {
            result = principal.getName();
          } else {
            result = principal;
          }
          break;
        }
    }
    // XXX generizice this and share the same approach to unmarshalling in ALL code
    // TODO support collection/list parameters
    if ((result != null) && (!pClass.isInstance(result))) {
      if ((Types.isPrimitive(pClass) || (Types.isPrimitiveWrapper(pClass)))
          && (result instanceof String)) {
        try {
          result = Types.parsePrimitive(pClass, ((String) result));
        } catch (NumberFormatException e) {
          throw new HttpResponseException(
              HttpServletResponse.SC_BAD_REQUEST, "The argument given is invalid", e);
        }
      } else if (Enum.class.isAssignableFrom(pClass)) {
        @SuppressWarnings({"rawtypes"})
        final Class clazz = pClass;
        @SuppressWarnings("unchecked")
        final Enum<?> tmpResult = Enum.valueOf(clazz, result.toString());
        result = tmpResult;
      } else if (result instanceof Node) {
        XmlDeserializer factory = pClass.getAnnotation(XmlDeserializer.class);
        if (factory != null) {
          try {
            result =
                factory
                    .value()
                    .newInstance()
                    .deserialize(XmlStreaming.newReader(new DOMSource((Node) result)));
          } catch (IllegalAccessException | InstantiationException e) {
            throw new XmlException(e);
          }
        } else {
          result = JAXB.unmarshal(new DOMSource((Node) result), pClass);
        }
      } else {
        final String s = result.toString();
        // Only wrap when we don't start with <
        final char[] requestBody =
            (s.startsWith("<") ? s : "<wrapper>" + s + "</wrapper>").toCharArray();
        if (requestBody.length > 0) {
          result = JAXB.unmarshal(new CharArrayReader(requestBody), pClass);
        } else {
          result = null;
        }
      }
    }

    return result;
  }
Beispiel #18
0
  /**
   * Performs conversions on argument types if needed and invokes the underlying Java method or
   * constructor.
   *
   * <p>Implements Function.call.
   *
   * @see gov.nbcs.rp.common.js.javascript.Function#call( Context, Scriptable, Scriptable, Object[])
   */
  public Object call(Context cx, Scriptable scope, Scriptable thisObj, Object[] args) {
    Object result;
    boolean checkMethodResult = false;

    if (parmsLength < 0) {
      if (parmsLength == VARARGS_METHOD) {
        Object[] invokeArgs = {cx, thisObj, args, this};
        result = member.invoke(null, invokeArgs);
        checkMethodResult = true;
      } else {
        boolean inNewExpr = (thisObj == null);
        Boolean b = inNewExpr ? Boolean.TRUE : Boolean.FALSE;
        Object[] invokeArgs = {cx, args, this, b};
        result =
            (member.isCtor()) ? member.newInstance(invokeArgs) : member.invoke(null, invokeArgs);
      }

    } else {
      if (!isStatic) {
        Class clazz = member.getDeclaringClass();
        if (!clazz.isInstance(thisObj)) {
          boolean compatible = false;
          if (thisObj == scope) {
            Scriptable parentScope = getParentScope();
            if (scope != parentScope) {
              // Call with dynamic scope for standalone function,
              // use parentScope as thisObj
              compatible = clazz.isInstance(parentScope);
              if (compatible) {
                thisObj = parentScope;
              }
            }
          }
          if (!compatible) {
            // Couldn't find an object to call this on.
            throw ScriptRuntime.typeError1("msg.incompat.call", functionName);
          }
        }
      }

      Object[] invokeArgs;
      if (parmsLength == args.length) {
        // Do not allocate new argument array if java arguments are
        // the same as the original js ones.
        invokeArgs = args;
        for (int i = 0; i != parmsLength; ++i) {
          Object arg = args[i];
          Object converted = convertArg(cx, scope, arg, typeTags[i]);
          if (arg != converted) {
            if (invokeArgs == args) {
              invokeArgs = (Object[]) args.clone();
            }
            invokeArgs[i] = converted;
          }
        }
      } else if (parmsLength == 0) {
        invokeArgs = ScriptRuntime.emptyArgs;
      } else {
        invokeArgs = new Object[parmsLength];
        for (int i = 0; i != parmsLength; ++i) {
          Object arg = (i < args.length) ? args[i] : Undefined.instance;
          invokeArgs[i] = convertArg(cx, scope, arg, typeTags[i]);
        }
      }

      if (member.isMethod()) {
        result = member.invoke(thisObj, invokeArgs);
        checkMethodResult = true;
      } else {
        result = member.newInstance(invokeArgs);
      }
    }

    if (checkMethodResult) {
      if (hasVoidReturn) {
        result = Undefined.instance;
      } else if (returnTypeTag == JAVA_UNSUPPORTED_TYPE) {
        result = cx.getWrapFactory().wrap(cx, scope, result, null);
      }
      // XXX: the code assumes that if returnTypeTag == JAVA_OBJECT_TYPE
      // then the Java method did a proper job of converting the
      // result to JS primitive or Scriptable to avoid
      // potentially costly Context.javaToJS call.
    }

    return result;
  }
Beispiel #19
0
 /** Gets the specific property, or null if the propert is not configured for this job. */
 public <T extends JobProperty> T getProperty(Class<T> clazz) {
   for (JobProperty p : properties) {
     if (clazz.isInstance(p)) return clazz.cast(p);
   }
   return null;
 }
  /** Type-munging for field setting and method invocation. Conforms to LC3 specification */
  static Object coerceTypeImpl(Class<?> type, Object value) {
    if (value != null && value.getClass() == type) {
      return value;
    }

    switch (getJSTypeCode(value)) {
      case JSTYPE_NULL:
        // raise error if type.isPrimitive()
        if (type.isPrimitive()) {
          reportConversionError(value, type);
        }
        return null;

      case JSTYPE_UNDEFINED:
        if (type == ScriptRuntime.StringClass || type == ScriptRuntime.ObjectClass) {
          return "undefined";
        } else {
          reportConversionError("undefined", type);
        }
        break;

      case JSTYPE_BOOLEAN:
        // Under LC3, only JS Booleans can be coerced into a Boolean value
        if (type == Boolean.TYPE
            || type == ScriptRuntime.BooleanClass
            || type == ScriptRuntime.ObjectClass) {
          return value;
        } else if (type == ScriptRuntime.StringClass) {
          return value.toString();
        } else {
          reportConversionError(value, type);
        }
        break;

      case JSTYPE_NUMBER:
        if (type == ScriptRuntime.StringClass) {
          return ScriptRuntime.toString(value);
        } else if (type == ScriptRuntime.ObjectClass) {
          return coerceToNumber(Double.TYPE, value);
        } else if ((type.isPrimitive() && type != Boolean.TYPE)
            || ScriptRuntime.NumberClass.isAssignableFrom(type)) {
          return coerceToNumber(type, value);
        } else {
          reportConversionError(value, type);
        }
        break;

      case JSTYPE_STRING:
        if (type == ScriptRuntime.StringClass || type.isInstance(value)) {
          return value;
        } else if (type == Character.TYPE || type == ScriptRuntime.CharacterClass) {
          // Special case for converting a single char string to a
          // character
          // Placed here because it applies *only* to JS strings,
          // not other JS objects converted to strings
          if (((String) value).length() == 1) {
            return new Character(((String) value).charAt(0));
          } else {
            return coerceToNumber(type, value);
          }
        } else if ((type.isPrimitive() && type != Boolean.TYPE)
            || ScriptRuntime.NumberClass.isAssignableFrom(type)) {
          return coerceToNumber(type, value);
        } else {
          reportConversionError(value, type);
        }
        break;

      case JSTYPE_JAVA_CLASS:
        if (value instanceof Wrapper) {
          value = ((Wrapper) value).unwrap();
        }

        if (type == ScriptRuntime.ClassClass || type == ScriptRuntime.ObjectClass) {
          return value;
        } else if (type == ScriptRuntime.StringClass) {
          return value.toString();
        } else {
          reportConversionError(value, type);
        }
        break;

      case JSTYPE_JAVA_OBJECT:
      case JSTYPE_JAVA_ARRAY:
        if (value instanceof Wrapper) {
          value = ((Wrapper) value).unwrap();
        }
        if (type.isPrimitive()) {
          if (type == Boolean.TYPE) {
            reportConversionError(value, type);
          }
          return coerceToNumber(type, value);
        } else {
          if (type == ScriptRuntime.StringClass) {
            return value.toString();
          } else {
            if (type.isInstance(value)) {
              return value;
            } else {
              reportConversionError(value, type);
            }
          }
        }
        break;

      case JSTYPE_OBJECT:
        if (type == ScriptRuntime.StringClass) {
          return ScriptRuntime.toString(value);
        } else if (type.isPrimitive()) {
          if (type == Boolean.TYPE) {
            reportConversionError(value, type);
          }
          return coerceToNumber(type, value);
        } else if (type.isInstance(value)) {
          return value;
        } else if (type == ScriptRuntime.DateClass && value instanceof NativeDate) {
          double time = ((NativeDate) value).getJSTimeValue();
          // XXX: This will replace NaN by 0
          return new Date((long) time);
        } else if (type.isArray() && value instanceof NativeArray) {
          // Make a new java array, and coerce the JS array components
          // to the target (component) type.
          NativeArray array = (NativeArray) value;
          long length = array.getLength();
          Class<?> arrayType = type.getComponentType();
          Object Result = Array.newInstance(arrayType, (int) length);
          for (int i = 0; i < length; ++i) {
            try {
              Array.set(Result, i, coerceType(arrayType, array.get(i, array)));
            } catch (EvaluatorException ee) {
              reportConversionError(value, type);
            }
          }

          return Result;
        } else if (value instanceof Wrapper) {
          value = ((Wrapper) value).unwrap();
          if (type.isInstance(value)) return value;
          reportConversionError(value, type);
        } else if (type.isInterface() && value instanceof Callable) {
          // Try to use function as implementation of Java interface.
          //
          // XXX: Currently only instances of ScriptableObject are
          // supported since the resulting interface proxies should
          // be reused next time conversion is made and generic
          // Callable has no storage for it. Weak references can
          // address it but for now use this restriction.
          if (value instanceof ScriptableObject) {
            ScriptableObject so = (ScriptableObject) value;
            Object key = Kit.makeHashKeyFromPair(COERCED_INTERFACE_KEY, type);
            Object old = so.getAssociatedValue(key);
            if (old != null) {
              // Function was already wrapped
              return old;
            }
            Context cx = Context.getContext();
            Object glue = InterfaceAdapter.create(cx, type, (Callable) value);
            // Store for later retrival
            glue = so.associateValue(key, glue);
            return glue;
          }
          reportConversionError(value, type);
        } else {
          reportConversionError(value, type);
        }
        break;
    }

    return value;
  }
  /**
   * Derive a ranking based on how "natural" the conversion is. The special value CONVERSION_NONE
   * means no conversion is possible, and CONVERSION_NONTRIVIAL signals that more type conformance
   * testing is required. Based on <a
   * href="http://www.mozilla.org/js/liveconnect/lc3_method_overloading.html">"preferred method
   * conversions" from Live Connect 3</a>
   */
  static int getConversionWeight(Object fromObj, Class<?> to) {
    int fromCode = getJSTypeCode(fromObj);

    switch (fromCode) {
      case JSTYPE_UNDEFINED:
        if (to == ScriptRuntime.StringClass || to == ScriptRuntime.ObjectClass) {
          return 1;
        }
        break;

      case JSTYPE_NULL:
        if (!to.isPrimitive()) {
          return 1;
        }
        break;

      case JSTYPE_BOOLEAN:
        // "boolean" is #1
        if (to == Boolean.TYPE) {
          return 1;
        } else if (to == ScriptRuntime.BooleanClass) {
          return 2;
        } else if (to == ScriptRuntime.ObjectClass) {
          return 3;
        } else if (to == ScriptRuntime.StringClass) {
          return 4;
        }
        break;

      case JSTYPE_NUMBER:
        if (to.isPrimitive()) {
          if (to == Double.TYPE) {
            return 1;
          } else if (to != Boolean.TYPE) {
            return 1 + getSizeRank(to);
          }
        } else {
          if (to == ScriptRuntime.StringClass) {
            // native numbers are #1-8
            return 9;
          } else if (to == ScriptRuntime.ObjectClass) {
            return 10;
          } else if (ScriptRuntime.NumberClass.isAssignableFrom(to)) {
            // "double" is #1
            return 2;
          }
        }
        break;

      case JSTYPE_STRING:
        if (to == ScriptRuntime.StringClass) {
          return 1;
        } else if (to.isInstance(fromObj)) {
          return 2;
        } else if (to.isPrimitive()) {
          if (to == Character.TYPE) {
            return 3;
          } else if (to != Boolean.TYPE) {
            return 4;
          }
        }
        break;

      case JSTYPE_JAVA_CLASS:
        if (to == ScriptRuntime.ClassClass) {
          return 1;
        } else if (to == ScriptRuntime.ObjectClass) {
          return 3;
        } else if (to == ScriptRuntime.StringClass) {
          return 4;
        }
        break;

      case JSTYPE_JAVA_OBJECT:
      case JSTYPE_JAVA_ARRAY:
        Object javaObj = fromObj;
        if (javaObj instanceof Wrapper) {
          javaObj = ((Wrapper) javaObj).unwrap();
        }
        if (to.isInstance(javaObj)) {
          return CONVERSION_NONTRIVIAL;
        }
        if (to == ScriptRuntime.StringClass) {
          return 2;
        } else if (to.isPrimitive() && to != Boolean.TYPE) {
          return (fromCode == JSTYPE_JAVA_ARRAY) ? CONVERSION_NONE : 2 + getSizeRank(to);
        }
        break;

      case JSTYPE_OBJECT:
        // Other objects takes #1-#3 spots
        if (to == fromObj.getClass()) {
          // No conversion required
          return 1;
        }
        if (to.isArray()) {
          if (fromObj instanceof NativeArray) {
            // This is a native array conversion to a java array
            // Array conversions are all equal, and preferable to object
            // and string conversion, per LC3.
            return 1;
          }
        } else if (to == ScriptRuntime.ObjectClass) {
          return 2;
        } else if (to == ScriptRuntime.StringClass) {
          return 3;
        } else if (to == ScriptRuntime.DateClass) {
          if (fromObj instanceof NativeDate) {
            // This is a native date to java date conversion
            return 1;
          }
        } else if (to.isInterface()) {
          if (fromObj instanceof Function) {
            // See comments in coerceType
            if (to.getMethods().length == 1) {
              return 1;
            }
          }
          return 11;
        } else if (to.isPrimitive() && to != Boolean.TYPE) {
          return 3 + getSizeRank(to);
        }
        break;
    }

    return CONVERSION_NONE;
  }