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allow users supply a SheetUtil failover function

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1923466 13f79535-47bb-0310-9956-ffa450edef68
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PJ Fanning 2025-01-30 22:15:32 +00:00
parent 43aded3d9c
commit 0f560377be
1 changed files with 19 additions and 3 deletions
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22
poi/src/main/java/org/apache/poi/ss/util/SheetUtil.java
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@ -26,6 +26,7 @@ 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;
@ -257,14 +258,14 @@ public class SheetUtil {
* @param str the text contained in the cell
* @return the best fit cell width
*/
private static double getCellWidth(float defaultCharWidth, int colspan,
CellStyle style, double minWidth, AttributedString str) {
private static double getCellWidth(float defaultCharWidth, final int colspan,
final CellStyle style, final double minWidth, final AttributedString str) {
TextLayout layout;
try {
layout = new TextLayout(str.getIterator(), fontRenderContext);
} catch (Throwable t) {
if (shouldIgnoreMissingFontSystem(t)) {
return defaultCharWidth;
return FAILOVER_FUNCTION.apply(defaultCharWidth, colspan, style, minWidth, str);
}
throw t;
}
@ -368,6 +369,21 @@ public class SheetUtil {
}
}
@FunctionalInterface
public interface Function5Arity<A, B, C, D, E, R> {
R apply(A a, B b, C c, D d, E e);
}
private static final Function5Arity<Float, Integer, CellStyle, Double, AttributedString, Float> DEFAULT_FAILOVER_FUNCTION =
(defaultCharWidth, colspan, style, minWidth, string) -> defaultCharWidth;
private static Function5Arity<Float, Integer, CellStyle, Double, AttributedString, Float> FAILOVER_FUNCTION =
DEFAULT_FAILOVER_FUNCTION;
public static void setFailoverFunction(Function5Arity<Float, Integer, CellStyle, Double, AttributedString, Float> failoverFunction) {
FAILOVER_FUNCTION = failoverFunction == null ? DEFAULT_FAILOVER_FUNCTION : failoverFunction;
}
private static boolean shouldIgnoreMissingFontSystem(final Throwable t) {
return ignoreMissingFontSystem && (
// the three types of exception usually indicate here that the font