it.eng.spagobi.engines.qbe.crosstable.exporter
Class CrosstabExporterUtility
java.lang.Object
it.eng.spagobi.engines.qbe.crosstable.exporter.CrosstabExporterUtility
public class CrosstabExporterUtility
- extends java.lang.Object
Method Summary |
protected static void |
calculateDescendants(org.json.JSONObject json)
Add descendants_no attribute to each node of rows/columns headers' structure. |
protected static int |
getDepth(org.json.JSONObject node)
Calculates the path length in the nodes structure in input between the root node and a leaf. |
protected static int |
getDescentantNumber(org.json.JSONObject aNode)
The descendant number of a node is:
-- root[3] -- // the descendant number is the sum of the children
| |
-- node[2] -- node[1] // the descendant number is the count of the children
| | |
leaf[0] leaf[0] leaf[0] // leaves have no children |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
CROSSTAB_JSON_DESCENDANTS_NUMBER
public static final java.lang.String CROSSTAB_JSON_DESCENDANTS_NUMBER
- See Also:
- Constant Field Values
CrosstabExporterUtility
public CrosstabExporterUtility()
calculateDescendants
protected static void calculateDescendants(org.json.JSONObject json)
throws org.json.JSONException
- Add descendants_no attribute to each node of rows/columns headers' structure.
descendants_no is useful for merging cells when drawing rows/columns headers' into XLS file.
- Throws:
org.json.JSONException
getDescentantNumber
protected static int getDescentantNumber(org.json.JSONObject aNode)
throws org.json.JSONException
- The descendant number of a node is:
-- root[3] -- // the descendant number is the sum of the children
| |
-- node[2] -- node[1] // the descendant number is the count of the children
| | |
leaf[0] leaf[0] leaf[0] // leaves have no children
- Parameters:
node
- The node of the rows/columns headers' structure
- Returns:
-
- Throws:
org.json.JSONException
getDepth
protected static int getDepth(org.json.JSONObject node)
throws org.json.JSONException
- Calculates the path length in the nodes structure in input between the root node and a leaf.
Note that this method assumes the path length to be the same between the root node and any leaf!!!
- Parameters:
node
- The root node of the tree structure
- Returns:
- the path length between the root node and a leaf
- Throws:
org.json.JSONException