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Fixes AreaReference when a Sheet name is provided 

PR: 19888
Submitted by:
     brett.knights@tanner.com
Test Case Provided by:
     Arne.Clauss@gedas.de


git-svn-id: https://svn.apache.org/repos/asf/jakarta/poi/trunk@353104 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Danny Mui 2003-05-17 17:53:38 +00:00
parent 5ec4ed341b
commit 944a5624d3
3 changed files with 77 additions and 40 deletions
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29
src/java/org/apache/poi/hssf/util/AreaReference.java
View File

@ -55,8 +55,8 @@
package org.apache.poi.hssf.util;
public class AreaReference {
private CellReference [] cells;
private int dim;
@ -80,7 +80,7 @@ private int dim;
public CellReference[] getCells() {
return cells;
}
public String toString() {
StringBuffer retval = new StringBuffer();
for (int i=0;i<dim;i++){
@ -90,19 +90,28 @@ private int dim;
retval.deleteCharAt(0);
return retval.toString();
}
/**
* seperates Area refs in two parts and returns them as seperate elements in a
* seperates Area refs in two parts and returns them as seperate elements in a
* String array
*/
private String[] seperateAreaRefs(String reference) {
String retval[] = new String[2];
String[] retval = null;
int length = reference.length();
int loc = reference.indexOf(':',0);
retval[0] = reference.substring(0,loc);
retval[1] = reference.substring(loc+1);
if(loc == -1){
retval = new String[1];
retval[0] = reference;
}
else{
retval = new String[2];
int sheetStart = reference.indexOf("!");
retval[0] = reference.substring(0, sheetStart+1) + reference.substring(sheetStart + 1,loc);
retval[1] = reference.substring(0, sheetStart+1) + reference.substring(loc+1);
}
return retval;
}
}

65
src/java/org/apache/poi/hssf/util/CellReference.java
View File

@ -60,45 +60,48 @@ package org.apache.poi.hssf.util;
* @author Dennis Doubleday (patch to seperateRowColumns())
*/
public class CellReference {
/** Creates new CellReference */
private int row;
private int col;
private String sheetName;
private boolean rowAbs;
private boolean colAbs;
public CellReference(String cellRef) {
String[] parts = seperateRowColumns(cellRef);
String ref = parts[0];
String[] parts = separateRefParts(cellRef);
sheetName = parts[0];
String ref = parts[1];
if (ref.charAt(0) == '$') {
colAbs=true;
colAbs=true;
ref=ref.substring(1);
}
col = convertColStringToNum(ref);
ref=parts[1];
ref=parts[2];
if (ref.charAt(0) == '$') {
rowAbs=true;
rowAbs=true;
ref=ref.substring(1);
}
row = Integer.parseInt(ref)-1;
}
public CellReference(int pRow, int pCol) {
this(pRow,pCol,false,false);
}
public CellReference(int pRow, int pCol, boolean pAbsRow, boolean pAbsCol) {
row=pRow;col=pCol;
rowAbs = pAbsRow;
colAbs=pAbsCol;
}
public int getRow(){return row;}
public int getCol(){return col;}
public short getCol(){return (short) col;}
public boolean isRowAbsolute(){return rowAbs;}
public boolean isColAbsolute(){return colAbs;}
public String getSheetName(){return sheetName;}
/**
* takes in a column reference portion of a CellRef and converts it from
* ALPHA-26 number format to 0-based base 10.
@ -107,7 +110,7 @@ public class CellReference {
int len = ref.length();
int retval=0;
int pos = 0;
for (int k = ref.length()-1; k > -1; k--) {
char thechar = ref.charAt(k);
if ( pos == 0) {
@ -119,21 +122,24 @@ public class CellReference {
}
return retval-1;
}
/**
* Seperates the row from the columns and returns an array. Element in
* position one is the substring containing the columns still in ALPHA-26
* number format.
*/
private String[] seperateRowColumns(String reference) {
private String[] separateRefParts(String reference) {
// Look for end of sheet name. This will either set
// start to 0 (if no sheet name present) or the
// index after the sheet reference ends.
int start = reference.indexOf("!") + 1;
String retval[] = new String[3];
int start = reference.indexOf("!");
if (start != -1) retval[0] = reference.substring(0, start);
start += 1;
String retval[] = new String[2];
int length = reference.length();
@ -145,13 +151,12 @@ public class CellReference {
break;
}
}
retval[0] = reference.substring(start,loc);
retval[1] = reference.substring(loc);
retval[1] = reference.substring(start,loc);
retval[2] = reference.substring(loc);
return retval;
}
/**
* takes in a 0-based base-10 column and returns a ALPHA-26 representation
*/
@ -161,24 +166,24 @@ public class CellReference {
int div = col / 26;
char small=(char)(mod + 65);
char big = (char)(div + 64);
if (div == 0) {
retval = ""+small;
} else {
retval = ""+big+""+small;
}
return retval;
}
public String toString() {
StringBuffer retval = new StringBuffer();
retval.append( (colAbs)?"$":"");
retval.append( convertNumToColString(col));
retval.append((rowAbs)?"$":"");
retval.append(row+1);
return retval.toString();
}
}

23
src/testcases/org/apache/poi/hssf/util/TestAreaReference.java
View File

@ -56,6 +56,10 @@ package org.apache.poi.hssf.util;
import junit.framework.TestCase;
import org.apache.poi.hssf.usermodel.HSSFCell;
import org.apache.poi.hssf.usermodel.HSSFRow;
import org.apache.poi.hssf.usermodel.HSSFSheet;
public class TestAreaReference extends TestCase {
public TestAreaReference(String s) {
super(s);
@ -77,4 +81,23 @@ public class TestAreaReference extends TestCase {
assertTrue("col is abs",cf.isColAbsolute());
assertTrue("string is $B$2",cf.toString().equals("$B$2"));
}
/**
* References failed when sheet names were being used
* Reported by Arne.Clauss@gedas.de
*/
public void testReferenceWithSheet() {
String ref = "Tabelle1!$B$5";
AreaReference myAreaReference = new AreaReference(ref);
CellReference[] myCellReference = myAreaReference.getCells();
assertNotNull("cell reference not null : "+myCellReference[0]);
assertEquals("Not Column B", (short)1,myCellReference[0].getCol());
assertEquals("Not Row 5", 4,myCellReference[0].getRow());
}
public static void main(java.lang.String[] args) {
junit.textui.TestRunner.run(TestAreaReference.class);
}
}