Java Code Examples for org.apache.commons.jxpath.JXPathContext#getPointer()

The following examples show how to use org.apache.commons.jxpath.JXPathContext#getPointer() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: MetaService.java From Knowage-Server with GNU Affero General Public License v3.0

6 votes

private void remove(String path, JXPathContext context) throws SpagoBIException {
	if (path.matches(".*\\]$")) {
		int i = path.lastIndexOf("[");
		Pointer obj = context.getPointer(path);
		logger.debug("REMOVE > " + path + " > " + obj.getNode());
		Pointer coll = context.getPointer(path.substring(0, i));
		if (obj.getNode() instanceof SimpleBusinessColumnImpl) {
			((SimpleBusinessColumnImpl) obj.getNode()).setIdentifier(false);
		}
		if (obj.getNode() instanceof BusinessRelationshipImpl) {
			((BusinessRelationshipImpl) obj.getNode()).removeRelationship();
			return;
		}

		((List<?>) coll.getNode()).remove(obj.getNode());
	} else {
		// TODO
		// throw new SpagoBIException("TODO operation \"remove\" not supported for single element");
	}
}

Example 2

Source File: MetaService.java From Knowage-Server with GNU Affero General Public License v3.0

5 votes

@SuppressWarnings({ "rawtypes", "unchecked" })
private void addValue(String obj, String topath, JXPathContext context) throws SpagoBIException {
	logger.debug("ADD > " + obj + " > " + topath);
	if (topath.endsWith("]")) {
		int i = topath.lastIndexOf("[");
		Pointer toColl = context.getPointer(topath.substring(0, i));
		if (toColl.getNode() instanceof List) {
			if (!((List) toColl.getNode()).contains(obj)) {
				((List) toColl.getNode()).add(obj);
			}
		}
	} else {
		replace(obj, topath, context);
	}
}

Example 3

Source File: ObjectGraphNavigatorJXPathImpl.java From oval with Eclipse Public License 2.0

5 votes

@Override
public ObjectGraphNavigationResult navigateTo(final Object root, final String xpath) throws InvalidConfigurationException {
   Assert.argumentNotNull("root", root);
   Assert.argumentNotNull("xpath", xpath);

   try {
      final JXPathContext ctx = JXPathContext.newContext(root);
      ctx.setLenient(true); // do not throw an exception if object graph is incomplete, e.g. contains null-values

      Pointer pointer = ctx.getPointer(xpath);

      // no match found or invalid xpath
      if (pointer instanceof NullPropertyPointer || pointer instanceof NullPointer)
         return null;

      if (pointer instanceof BeanPointer) {
         final Pointer parent = ((BeanPointer) pointer).getImmediateParentPointer();
         if (parent instanceof PropertyPointer) {
            pointer = parent;
         }
      }

      if (pointer instanceof PropertyPointer) {
         final PropertyPointer pp = (PropertyPointer) pointer;
         final Class<?> beanClass = pp.getBean().getClass();
         AccessibleObject accessor = ReflectionUtils.getField(beanClass, pp.getPropertyName());
         if (accessor == null) {
            accessor = ReflectionUtils.getGetter(beanClass, pp.getPropertyName());
         }
         return new ObjectGraphNavigationResult(root, xpath, pp.getBean(), accessor, pointer.getValue());
      }

      throw new InvalidConfigurationException("Don't know how to handle pointer [" + pointer + "] of type [" + pointer.getClass().getName() + "] for xpath ["
         + xpath + "]");
   } catch (final JXPathNotFoundException ex) {
      // thrown if the xpath is invalid
      throw new InvalidConfigurationException(ex);
   }
}

Example 4

Source File: PathExistsMessageFilter.java From suro with Apache License 2.0

5 votes

@Override
public boolean apply(Object input) {
    JXPathContext jxpath = JXPathContext.newContext(input);
    // We should allow non-existing path, and let predicate handle it.
    jxpath.setLenient(true);

    Pointer pointer = jxpath.getPointer(xpath);
   
    return pointer != null && !(pointer instanceof NullPointer) && pointer.getValue() != null;
}

Example 5

Source File: JXPath177Test.java From commons-jxpath with Apache License 2.0

5 votes

private void doTest(String xp, String expected)
{
    JXPathContext xpathContext = JXPathContext.newContext(model);
    xpathContext.setVariables(new JXPathVariablesResolver(model));
    Pointer p = xpathContext.getPointer(xp);
    Object result = p.getNode();
    assertNotNull(result);
    assertEquals(expected, result);

}

Example 6