NPE fix, give proper error message instead.
diff --git a/freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/PrintTextWithDocgenSubstitutionsDirective.java b/freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/PrintTextWithDocgenSubstitutionsDirective.java
index 44dc1f3..ecbbe87 100644
--- a/freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/PrintTextWithDocgenSubstitutionsDirective.java
+++ b/freemarker-docgen-core/src/main/java/org/freemarker/docgen/core/PrintTextWithDocgenSubstitutionsDirective.java
@@ -209,8 +209,13 @@
+ " where <symbolicName> is in " + transform.getInsertableFiles().keySet() + ".");
}
String symbolicName = symbolicNameStep.substring(1);
- Path symbolicNamePath = transform.getInsertableFiles().get(symbolicName)
- .toAbsolutePath().normalize();
+ Path symbolicNamePath = transform.getInsertableFiles().get(symbolicName);
+ if (symbolicNamePath == null) {
+ throw newErrorInDocgenTag("Symbolic insertable file name "
+ + StringUtil.jQuote(symbolicName) + " is not amongst the defined names: "
+ + transform.getInsertableFiles().keySet());
+ }
+ symbolicNamePath = symbolicNamePath.toAbsolutePath().normalize();
Path resolvedFilePath = slashIndex != -1
? symbolicNamePath.resolve(pathArg.substring(slashIndex + 1))
: symbolicNamePath;
