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1 package com.calipso.reportgenerator.reportmanager;
2 import com.calipso.reportgenerator.reportmanager.ReportData;
3 import com.calipso.reportgenerator.common.ReportQuery;
4 import com.calipso.reportgenerator.common.QueryDimension;
5 import com.calipso.reportgenerator.common.DimensionValueNode;
6 import java.util.ArrayList  ;
7 import java.util.Iterator ;
8 import java.util.List ;
9 import java.util.Map ;
10
13
14 public class DimensionValueTreeBuilder {
15 private ReportData reportData;
16
17
21 public DimensionValueTreeBuilder(ReportData reportData) {
22 setReportData(reportData);
23 initCubeProccess();
24 }
25
28 private void initCubeProccess() {
29 List rows = getReportData().getQuery().getRowDimensions();
30 List cols = getReportData().getQuery().getColumnDimensions();
31 ArrayList prevDimensions;
32 ArrayList values;
33 prevDimensions = new ArrayList ();
34 values = new ArrayList ();
35 rowsRoot = new DimensionValueNode("ROWS");
36 rowsRoot.setDimensionCount(rows.size());
37 if (rows.size() > 0) {
38 fillSubNodes(rowsRoot, rows, prevDimensions, values, -1);
39 }
40 columnsRoot = new DimensionValueNode("COLUMNS");
41 columnsRoot.setDimensionCount(cols.size());
42 prevDimensions = new ArrayList ();
43 values = new ArrayList ();
44 if (cols.size() > 0) {
45 fillSubNodes(columnsRoot, cols, prevDimensions, values, rows.size() -1);
46 }
47 }
48 private DimensionValueNode rowsRoot;
49 private DimensionValueNode columnsRoot;
50 public DimensionValueNode getRowsRoot(){
51 return rowsRoot;
52 }
53
54 public DimensionValueNode getColumnsRoot(){
55 return columnsRoot;
56 }
57
58 private void fillSubNodes(DimensionValueNode parentNode, List dimensions, ArrayList prevDimensions, ArrayList prevDimensionValues, int index){
59 index++;
60 int currentDimension = index ;
61 Iterator iterator = getReportData().valuesFor(currentDimension, arrayListToIntArray(prevDimensions), prevDimensionValues.toArray());
62 boolean lastDimension = prevDimensions.size() == dimensions.size() -1;
63 while (iterator.hasNext()){
64 Map.Entry current = (Map.Entry ) iterator.next();
65 Object currentValue = current.getKey();
66 DimensionValueNode currentNode = new DimensionValueNode(currentValue, parentNode);
67 currentNode.setDimensionIndex(prevDimensions.size());
68 currentNode.setDimensionCount(parentNode.getDimensionCount() -1);
69 parentNode.addSubNode(currentNode);
70 prevDimensions.add(new Integer (currentDimension));
71 prevDimensionValues.add(currentValue);
73 if (!lastDimension){
74 fillSubNodes(currentNode, dimensions, prevDimensions, prevDimensionValues, index);
75 }
76 prevDimensions.remove(prevDimensions.size()-1);
77 prevDimensionValues.remove(prevDimensionValues.size()-1);
78 }
79 }
80
81 private int[] arrayListToIntArray(ArrayList list){
82 int[] result = new int[list.size()];
83 for (int i = 0; i < list.size(); i++){
84 result[i] = ((Integer )list.get(i)).intValue();
85 }
86 return result;
87 }
88
89
90 public ReportData getReportData() {
91 return reportData;
92 }
93
94 public ReportQuery getQuery(){
95 return getReportData().getQuery();
96 }
97
98 public void setReportData(ReportData reportData) {
99 this.reportData = reportData;
100 }
101 } |
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