bug 60253: add helper functions to make the constructor formula1-overloading code simpler

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1764831 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Javen O'Neal 2016-10-14 08:09:39 +00:00
parent ee6b1e741d
commit 999c6499ec

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@ -82,6 +82,7 @@ public class XSSFDataValidationConstraint implements DataValidationConstraint {
*/ */
public XSSFDataValidationConstraint(int validationType, int operator, String formula1, String formula2) { public XSSFDataValidationConstraint(int validationType, int operator, String formula1, String formula2) {
super(); super();
//removes leading equals sign if present
setFormula1(formula1); setFormula1(formula1);
setFormula2(formula2); setFormula2(formula2);
this.validationType = validationType; this.validationType = validationType;
@ -92,12 +93,10 @@ public class XSSFDataValidationConstraint implements DataValidationConstraint {
//FIXME: Need to confirm if this is not a formula. //FIXME: Need to confirm if this is not a formula.
// empirical testing shows Excel saves explicit lists surrounded by double quotes, // empirical testing shows Excel saves explicit lists surrounded by double quotes,
// range formula expressions can't start with quotes (I think - anyone have a creative counter example?) // range formula expressions can't start with quotes (I think - anyone have a creative counter example?)
if( ValidationType.LIST==validationType if ( ValidationType.LIST == validationType
&& formula1 != null && this.formula1 != null
&& formula1.startsWith(QUOTE) && isQuoted(this.formula1) ) {
&& formula1.endsWith(QUOTE) ) { explicitListOfValues = LIST_SPLIT_REGEX.split(unquote(this.formula1));
final String formulaWithoutQuotes = formula1.substring(1, formula1.length()-1);
explicitListOfValues = LIST_SPLIT_REGEX.split(formulaWithoutQuotes);
} }
} }
@ -168,6 +167,19 @@ public class XSSFDataValidationConstraint implements DataValidationConstraint {
protected static String removeLeadingEquals(String formula1) { protected static String removeLeadingEquals(String formula1) {
return isFormulaEmpty(formula1) ? formula1 : formula1.charAt(0)=='=' ? formula1.substring(1) : formula1; return isFormulaEmpty(formula1) ? formula1 : formula1.charAt(0)=='=' ? formula1.substring(1) : formula1;
} }
private static boolean isQuoted(String s) {
return s.startsWith(QUOTE) && s.endsWith(QUOTE);
}
private static String unquote(String s) {
// removes leading and trailing quotes from a quoted string
if (isQuoted(s)) {
return s.substring(1, s.length()-1);
}
return s;
}
protected static boolean isFormulaEmpty(String formula1) {
return formula1 == null || formula1.trim().length()==0;
}
/* (non-Javadoc) /* (non-Javadoc)
* @see org.apache.poi.ss.usermodel.DataValidationConstraint#setFormula2(java.lang.String) * @see org.apache.poi.ss.usermodel.DataValidationConstraint#setFormula2(java.lang.String)
@ -207,9 +219,6 @@ public class XSSFDataValidationConstraint implements DataValidationConstraint {
} }
} }
protected static boolean isFormulaEmpty(String formula1) {
return formula1 == null || formula1.trim().length()==0;
}
public String prettyPrint() { public String prettyPrint() {
StringBuilder builder = new StringBuilder(); StringBuilder builder = new StringBuilder();