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fix: apply defaults and enforce validation for mode, orientation, and pageOrder

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Ensure null or blank values fall back to defaults and reject unsupported
options with IllegalArgumentException.
This commit is contained in:
OUNZAR Aymane 2025-11-05 11:17:52 +01:00
parent 0508ae4aa6
commit bdf3878eeb
1 changed files with 20 additions and 1 deletions
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21
app/core/src/main/java/stirling/software/SPDF/controller/api/MultiPageLayoutController.java
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@ -50,6 +50,10 @@ public class MultiPageLayoutController {
@ModelAttribute MergeMultiplePagesRequest request) throws IOException {
String mode = request.getMode();
if (mode == null || mode.trim().isEmpty()) {
mode = "DEFAULT";
}
int rows = 0;
int cols = 0;
int pagesPerSheet = 0;
@ -82,11 +86,24 @@ public class MultiPageLayoutController {
}
pagesPerSheet = cols * rows;
break;
default:
throw new IllegalArgumentException(
"Mode must be CUSTOM or DEFAULT. Null value rolls back to DEFAULT");
}
MultipartFile file = request.getFileInput();
String orientation = request.getOrientation();
if (orientation == null || orientation.trim().isEmpty()) {
orientation = "PORTRAIT";
}
if (!"PORTRAIT".equals(orientation) && !"LANDSCAPE".equals(orientation)) {
throw new IllegalArgumentException("Orientation must be PORTRAIT or LANDSCAPE");
}
String pageOrder = request.getPageOrder();
if (pageOrder == null || pageOrder.trim().isEmpty()) {
pageOrder = "LR_TD";
}
boolean addBorder = Boolean.TRUE.equals(request.getAddBorder());
PDDocument sourceDocument = pdfDocumentFactory.load(file);
@ -96,7 +113,6 @@ public class MultiPageLayoutController {
// Create a new A4 landscape rectangle that we use when orientation is landscape
PDRectangle a4Landscape =
new PDRectangle(PDRectangle.A4.getHeight(), PDRectangle.A4.getWidth());
PDPage newPage =
"PORTRAIT".equals(orientation)
? new PDPage(PDRectangle.A4)
@ -166,6 +182,9 @@ public class MultiPageLayoutController {
colIndex = cols - 1 - (adjustedPageIndex / rows);
rowIndex = adjustedPageIndex % rows;
break;
default:
throw new IllegalArgumentException(
"Page order must be one of the following supported options: LR_TD, RL_TD, TD_LR, or TD_RL.");
}
float x = colIndex * cellWidth + (cellWidth - rect.getWidth() * scale) / 2;