Java TreeElement.getNumChildren方法代码示例

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private void evaluateChildrenTriggerables(FormInstance mainInstance,
		EvaluationContext evalContext, TreeElement newNode,
		boolean createdOrDeleted, boolean midSurvey,
		Set<QuickTriggerable> alreadyEvaluated) {
	// iterate into the group children and evaluate any triggerables that
	// depend one them, if they are not already calculated.
	int numChildren = newNode.getNumChildren();
	for (int i = 0; i < numChildren; i++) {
		TreeReference anchorRef = newNode.getChildAt(i).getRef();
		Set<QuickTriggerable> childTriggerables = triggerTriggerables(
				mainInstance, evalContext, anchorRef,
				  midSurvey, alreadyEvaluated);
		publishSummary((createdOrDeleted ? "Created" : "Deleted"),
				anchorRef, childTriggerables);
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
/**
 * This is a utility method to get all of the references of a node. It can
 * be replaced when we support dependent XPath Steps (IE: /path/to//)
 */
public void addChildrenOfReference(FormInstance mainInstance,
		EvaluationContext evalContext, TreeReference original,
		Set<TreeReference> toAdd, boolean expandRepeatables) {
	// original has already been added to the 'toAdd' list.

	TreeElement repeatTemplate = expandRepeatables ? mainInstance
			.getTemplatePath(original) : null;
	if (repeatTemplate != null) {
		for (int i = 0; i < repeatTemplate.getNumChildren(); ++i) {
			TreeElement child = repeatTemplate.getChildAt(i);
			toAdd.add(child.getRef().genericize());
			addChildrenOfElement(mainInstance, evalContext, child, toAdd, expandRepeatables);
		}
	} else {
		List<TreeReference> refSet = evalContext
				.expandReference(original);
		for (TreeReference ref : refSet) {
			addChildrenOfElement(mainInstance, evalContext, evalContext.resolveReference(ref),
					toAdd, expandRepeatables);
		}
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
/**
 * This is a utility method to get all of the references of a node. It can
 * be replaced when we support dependent XPath Steps (IE: /path/to//)
 */
private void addChildrenOfReference(FormInstance mainInstance,
      EvaluationContext evalContext, TreeReference original,
      Set<TreeReference> toAdd, boolean expandRepeatables) {
   // original has already been added to the 'toAdd' list.

   TreeElement repeatTemplate = expandRepeatables ? mainInstance
         .getTemplatePath(original) : null;
   if (repeatTemplate != null) {
      for (int i = 0; i < repeatTemplate.getNumChildren(); ++i) {
         TreeElement child = repeatTemplate.getChildAt(i);
         toAdd.add(child.getRef().genericize());
         addChildrenOfElement(mainInstance, evalContext, child, toAdd,
               expandRepeatables);
      }
   } else {
      List<TreeReference> refSet = evalContext.expandReference(original);
      for (TreeReference ref : refSet) {
         addChildrenOfElement(mainInstance, evalContext,
               evalContext.resolveReference(ref), toAdd,
               expandRepeatables);
      }
   }
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private static void checkRepeatsForTemplate (TreeElement repeatTreeNode, TreeReference ref, FormInstance instance, List<TreeReference> missing) {
	String name = repeatTreeNode.getName();
	int mult = (repeatTreeNode.isRepeatable() ? TreeReference.INDEX_TEMPLATE : 0);
	ref = ref.extendRef(name, mult);

	if (repeatTreeNode.isRepeatable()) {
		TreeElement template = instance.resolveReference(ref);
		if (template == null) {
			missing.add(ref);
		}
	}

	for (int i = 0; i < repeatTreeNode.getNumChildren(); i++) {
		checkRepeatsForTemplate(repeatTreeNode.getChildAt(i), ref, instance, missing);
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
/**
 * Traverse the submission looking for the first matching tag in depth-first order.
 *
 * @param parent
 * @param name
 * @return
 */
private TreeElement findDepthFirst(TreeElement parent, String name) {
    int len = parent.getNumChildren();
    for ( int i = 0; i < len ; ++i ) {
        TreeElement e = parent.getChildAt(i);
        if ( name.equals(e.getName()) ) {
            return e;
        } else if ( e.getNumChildren() != 0 ) {
            TreeElement v = findDepthFirst(e, name);
            if ( v != null ) return v;
        }
    }
    return null;
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
/**
 * Traverse the submission looking for the first matching tag in depth-first
 * order.
 *
 * @param parent
 * @param name
 * @return
 */
private TreeElement findDepthFirst(TreeElement parent, String name) {
  int len = parent.getNumChildren();
  for (int i = 0; i < len; ++i) {
    TreeElement e = parent.getChildAt(i);
    if (name.equals(e.getName())) {
      return e;
    } else if (e.getNumChildren() != 0) {
      TreeElement v = findDepthFirst(e, name);
      if (v != null)
        return v;
    }
  }
  return null;
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
public void serializeTree(TreeElement root) {
	for (int j = 0; j < root.getNumChildren(); j++) {
		TreeElement tee = root.getChildAt(j);
		if (tee.isLeaf()) {
			String e = serializeNode(tee);
			if(e != null) {
				theSmsStr += e;
			}
		}
		else {
			serializeTree(tee);
		}
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
/**
 * recursively write out a node of the instance
 * @param out
 * @param e
 * @param ref
 * @throws IOException
 */
private void writeTreeElement (DataOutputStream out, TreeElement e) throws IOException {
	TreeElement templ = instance.getTemplatePath(e.getRef());
	boolean isGroup = !templ.isLeaf();

	if (isGroup) {
	   List<String> childTypesHandled = new ArrayList<String>(templ.getNumChildren());
		for (int i = 0; i < templ.getNumChildren(); i++) {
			String childName = templ.getChildAt(i).getName();
			if (!childTypesHandled.contains(childName)) {
				childTypesHandled.add(childName);

				int mult = e.getChildMultiplicity(childName);
				if (mult > 0 && !e.getChild(childName, 0).isRelevant()) {
					mult = 0;
				}

				ExtUtil.writeNumeric(out, mult);
				for (int j = 0; j < mult; j++) {
					writeTreeElement(out, e.getChild(childName, j));
				}
			}
		}
	} else {
		ExtUtil.write(out, new ExtWrapAnswerData(e.getDataType(), e.getValue()));
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private void addChildrenOfElement(TreeElement el, ArrayList<TreeReference> toAdd) {
   for (int i = 0; i < el.getNumChildren(); ++i) {
      TreeElement child = el.getChildAt(i);
      toAdd.add(child.getRef().genericize());
      addChildrenOfElement(child, toAdd);
   }
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private void evaluateChildrenTriggerables(FormInstance mainInstance,
      EvaluationContext evalContext, TreeElement newNode,
      boolean createdOrDeleted, Set<QuickTriggerable> alreadyEvaluated) {
   // iterate into the group children and evaluate any triggerables that
   // depend one them, if they are not already calculated.
   int numChildren = newNode.getNumChildren();
   for (int i = 0; i < numChildren; i++) {
      TreeReference anchorRef = newNode.getChildAt(i).getRef();
      Set<QuickTriggerable> childTriggerables = triggerTriggerables(
            mainInstance, evalContext, anchorRef, alreadyEvaluated);
      publishSummary((createdOrDeleted ? "Created" : "Deleted"),
              anchorRef, childTriggerables);
   }
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private boolean removeInvalidTemplates (TreeElement instanceNode, TreeElement repeatTreeNode, boolean templateAllowed) {
	int mult = instanceNode.getMult();
	boolean repeatable = (repeatTreeNode == null ? false : repeatTreeNode.isRepeatable());

	if (mult == TreeReference.INDEX_TEMPLATE) {
		if (!templateAllowed) {
			reporter.warning(XFormParserReporter.TYPE_INVALID_STRUCTURE, "Template nodes for sub-repeats must be located within the template node of the parent repeat; ignoring template... [" + instanceNode.getName() + "]", null);
			return true;
		} else if (!repeatable) {
			reporter.warning(XFormParserReporter.TYPE_INVALID_STRUCTURE, "Warning: template node found for ref that is not repeatable; ignoring... [" + instanceNode.getName() + "]", null);
			return true;
		}
	}

	if (repeatable && mult != TreeReference.INDEX_TEMPLATE)
		templateAllowed = false;

	for (int i = 0; i < instanceNode.getNumChildren(); i++) {
		TreeElement child = instanceNode.getChildAt(i);
		TreeElement rchild = (repeatTreeNode == null ? null : repeatTreeNode.getChild(child.getName(), 0));

		if (removeInvalidTemplates(child, rchild, templateAllowed)) {
			instanceNode.removeChildAt(i);
			i--;
		}
	}
	return false;
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private static void trimRepeatChildren (TreeElement node) {
	for (int i = 0; i < node.getNumChildren(); i++) {
		TreeElement child = node.getChildAt(i);
		if (child.isRepeatable()) {
			node.removeChildAt(i);
			i--;
		} else {
			trimRepeatChildren(child);
		}
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private static void checkDuplicateNodesAreRepeatable (TreeElement node) {
	int mult = node.getMult();
	if (mult > 0) { //repeated node
		if (!node.isRepeatable()) {
			System.out.println("Warning: repeated nodes [" + node.getName() + "] detected that have no repeat binding in the form; DO NOT bind questions to these nodes or their children!");
			//we could do a more comprehensive safety check in the future
		}
	}

	for (int i = 0; i < node.getNumChildren(); i++) {
		checkDuplicateNodesAreRepeatable(node.getChildAt(i));
	}
}
 

import org.javarosa.core.model.instance.TreeElement; //导入方法依赖的package包/类
private static Element schemizeInstance (TreeElement node) {
	String name = node.getName();
	boolean terminal = node.isLeaf();
	boolean repeatable = node.isRepeatable();

	if (repeatable && node.getMult() != TreeReference.INDEX_TEMPLATE) {
		return null;
	}

	Element e = new Element();
	e.setName("element");
	e.setAttribute(null, "name", name);
	e.setAttribute(null, "minOccurs", "0"); //technically only needed if node has a 'relevant' attribute bound to it, but no easy way to tell
	if (repeatable) {
		e.setAttribute(null, "maxOccurs", "unbounded");
	}

	if (!terminal) {
		Element ct = new Element();
		ct.setName("complexType");
		e.addChild(Node.ELEMENT, ct);

		Element seq = new Element();
		seq.setName("sequence");
		ct.addChild(Node.ELEMENT, seq);

		for (int i = 0; i < node.getNumChildren(); i++) {
			Element child = schemizeInstance((TreeElement)node.getChildAt(i));
			if (child != null) {
				seq.addChild(Node.ELEMENT, child);
			}
		}
	} else {
		String type;

		switch (node.getDataType()) {
		case Constants.DATATYPE_NULL:
		case Constants.DATATYPE_TEXT:
			type = "string";
			break;
		case Constants.DATATYPE_INTEGER: type = "integer"; break;
		case Constants.DATATYPE_LONG: type = "long"; break;
		case Constants.DATATYPE_DECIMAL: type = "decimal"; break;
		case Constants.DATATYPE_BOOLEAN: type = "boolean"; break;
		case Constants.DATATYPE_DATE: type = "date"; break;
		case Constants.DATATYPE_DATE_TIME: type = "dateTime"; break;
		case Constants.DATATYPE_TIME: type = "time"; break;
		case Constants.DATATYPE_CHOICE:
		case Constants.DATATYPE_CHOICE_LIST:
			type = (String)choiceTypeMapping.get(node);
			if (type == null) {
				System.err.println("can't find choices for select-type question [" + node.getName() + "]");
			}
			break;
		case Constants.DATATYPE_GEOPOINT: type = "jr:geopoint"; break;
		case Constants.DATATYPE_GEOSHAPE: type = "jr:geoshape"; break;
		case Constants.DATATYPE_GEOTRACE: type = "jr:geotrace"; break;
		default:
			type = null;
			System.err.println("unrecognized type [" + node.getDataType() + ";" + node.getName() + "]");
			break;
		}

		if (type != null) {
			e.setAttribute(null, "type", type);
		}
	}

	return e;
}