Author: fanningpj
Date: Thu Jan 30 22:29:43 2025
New Revision: 1923467
URL: http://svn.apache.org/viewvc?rev=1923467&view=rev
Log:
allow users supply a SheetUtil failover function
Modified:
poi/trunk/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
Modified: poi/trunk/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
URL:
http://svn.apache.org/viewvc/poi/trunk/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java?rev=1923467&r1=1923466&r2=1923467&view=diff
==============================================================================
--- poi/trunk/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java (original)
+++ poi/trunk/poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java Thu Jan
30 22:29:43 2025
@@ -26,7 +26,6 @@ import java.text.AttributedString;
import java.util.List;
import java.util.Locale;
import java.util.Map;
-import java.util.function.BiFunction;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
@@ -369,6 +368,16 @@ public class SheetUtil {
}
}
+ /**
+ * A function with 5 inputs and a return value.
+ * @param <A> the type of the first input to the function
+ * @param <B> the type of the second input to the function
+ * @param <C> the type of the third input to the function
+ * @param <D> the type of the fourth input to the function
+ * @param <E> the type of the fifth input to the function
+ * @param <R> the return type of the function
+ * @since POI 5.4.1
+ */
@FunctionalInterface
public interface Function5Arity<A, B, C, D, E, R> {
R apply(A a, B b, C c, D d, E e);
@@ -380,6 +389,15 @@ public class SheetUtil {
private static Function5Arity<Float, Integer, CellStyle, Double,
AttributedString, Float> FAILOVER_FUNCTION =
DEFAULT_FAILOVER_FUNCTION;
+ /**
+ * Define a function to be used as a failover when the font system is not
available.
+ * This function will be called with the default character width, the
colspan, the cell style,
+ * the minimum width and the attributed string of the cell.
+ * <p>
+ * The default function will return the default character width.
+ * </p>
+ * @since POI 5.4.1
+ */
public static void setFailoverFunction(Function5Arity<Float, Integer,
CellStyle, Double, AttributedString, Float> failoverFunction) {
FAILOVER_FUNCTION = failoverFunction == null ?
DEFAULT_FAILOVER_FUNCTION : failoverFunction;
}
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