예제 #1
0
  public static boolean addHandler(Registry configSystemRegistry, String payload)
      throws RegistryException, XMLStreamException {
    String name;
    OMElement element = AXIOMUtil.stringToOM(payload);
    if (element != null) {
      name = element.getAttributeValue(new QName("class"));
    } else return false;

    if (isHandlerNameInUse(name))
      throw new RegistryException("The added handler name is already in use!");

    String path = getContextRoot() + name;
    Resource resource;
    if (!handlerExists(configSystemRegistry, name)) {
      resource = new ResourceImpl();
    } else {
      throw new RegistryException("The added handler name is already in use!");
    }
    resource.setContent(payload);
    try {
      configSystemRegistry.beginTransaction();
      configSystemRegistry.put(path, resource);
      generateHandler(configSystemRegistry, path);
      configSystemRegistry.commitTransaction();
    } catch (Exception e) {
      configSystemRegistry.rollbackTransaction();
      throw new RegistryException("Unable to generate handler", e);
    }
    return true;
  }
예제 #2
0
  public static boolean updateHandler(Registry configSystemRegistry, String oldName, String payload)
      throws RegistryException, XMLStreamException {
    if (isHandlerNameInUse(oldName))
      throw new RegistryException("Could not update handler since it is already in use!");

    String newName = null;
    OMElement element = AXIOMUtil.stringToOM(payload);
    if (element != null) {
      newName = element.getAttributeValue(new QName("class"));
    }

    if (newName == null || newName.equals("")) return false; // invalid configuration

    if (oldName == null || oldName.equals("")) {
      String path = getContextRoot() + newName;
      Resource resource;
      if (handlerExists(configSystemRegistry, newName)) {
        return false; // we are adding a new handler
      } else {
        resource = new ResourceImpl();
      }
      resource.setContent(payload);
      try {
        configSystemRegistry.beginTransaction();
        configSystemRegistry.put(path, resource);
        generateHandler(configSystemRegistry, path);
        configSystemRegistry.commitTransaction();
      } catch (Exception e) {
        configSystemRegistry.rollbackTransaction();
        throw new RegistryException("Unable to generate handler", e);
      }
      return true;
    }

    if (newName.equals(oldName)) {
      // updating the rest of the content
      String oldPath = getContextRoot() + oldName;
      Resource resource;
      if (handlerExists(configSystemRegistry, oldName)) {
        resource = configSystemRegistry.get(oldPath);
      } else {
        resource = new ResourceImpl(); // will this ever happen?
      }
      resource.setContent(payload);
      try {
        configSystemRegistry.beginTransaction();
        removeHandler(configSystemRegistry, oldName);
        configSystemRegistry.put(oldPath, resource);
        generateHandler(configSystemRegistry, oldPath);
        configSystemRegistry.commitTransaction();
      } catch (Exception e) {
        configSystemRegistry.rollbackTransaction();
        throw new RegistryException("Unable to generate handler", e);
      }
      return true;
    } else {
      String oldPath = getContextRoot() + oldName;
      String newPath = getContextRoot() + newName;

      if (handlerExists(configSystemRegistry, newName)) {
        return false; // we are trying to use the name of a existing handler
      }

      Resource resource;
      if (handlerExists(configSystemRegistry, oldName)) {
        resource = configSystemRegistry.get(oldPath);
      } else {
        resource = new ResourceImpl(); // will this ever happen?
      }

      resource.setContent(payload);
      try {
        configSystemRegistry.beginTransaction();
        configSystemRegistry.put(newPath, resource);
        generateHandler(configSystemRegistry, newPath);
        removeHandler(configSystemRegistry, oldName);
        configSystemRegistry.delete(oldPath);
        configSystemRegistry.commitTransaction();
      } catch (Exception e) {
        configSystemRegistry.rollbackTransaction();
        throw new RegistryException("Unable to renew handler", e);
      }
      return true;
    }
  }