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Bug 62740 - XSSFTable constructor automatically assigns invalid (non-unique) column IDs

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fix the logic and update the unit test to check for and catch the problem.

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1841357 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Greg Woolsey 2018-09-19 17:42:43 +00:00
parent 74c07d5307
commit 891deb3967
2 changed files with 13 additions and 4 deletions
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4
src/ooxml/java/org/apache/poi/xssf/usermodel/XSSFTable.java
View File

@ -283,7 +283,7 @@ public class XSSFTable extends POIXMLDocumentPart implements Table {
}
// check if name is unique and calculate unique column id
long nextColumnId = 1;
long nextColumnId = 0;
for (XSSFTableColumn tableColumn : getColumns()) {
if (columnName != null && columnName.equalsIgnoreCase(tableColumn.getName())) {
throw new IllegalArgumentException("Column '" + columnName
@ -291,6 +291,8 @@ public class XSSFTable extends POIXMLDocumentPart implements Table {
}
nextColumnId = Math.max(nextColumnId, tableColumn.getId());
}
// Bug #62740, the logic was just re-using the existing max ID, not incrementing beyond it.
nextColumnId++;
// Add the new Column
CTTableColumn column = columns.insertNewTableColumn(columnIndex);

13
src/ooxml/testcases/org/apache/poi/xssf/usermodel/TestXSSFTable.java
View File

@ -19,6 +19,7 @@ package org.apache.poi.xssf.usermodel;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
@ -395,15 +396,21 @@ public final class TestXSSFTable {
assertEquals(2, table.getRowCount());
// add columns
table.createColumn("Column B");
table.createColumn("Column D");
table.createColumn("Column C", 2); // add between B and D
XSSFTableColumn c1 = table.getColumns().get(0);
XSSFTableColumn cB = table.createColumn("Column B");
XSSFTableColumn cD = table.createColumn("Column D");
XSSFTableColumn cC = table.createColumn("Column C", 2); // add between B and D
table.updateReferences();
table.updateHeaders();
assertEquals(4, table.getColumnCount());
assertEquals(2, table.getRowCount());
// column IDs start at 1, and increase in the order columns are added (see bug #62740)
assertEquals("Column c ID", 1, c1.getId());
assertTrue("Column B ID", c1.getId() < cB.getId());
assertTrue("Column D ID", cB.getId() < cD.getId());
assertTrue("Column C ID", cD.getId() < cC.getId());
assertEquals("Column 1", table.getColumns().get(0).getName()); // generated name
assertEquals("Column B", table.getColumns().get(1).getName());
assertEquals("Column C", table.getColumns().get(2).getName());