https://issues.apache.org/bugzilla/show_bug.cgi?id=52288
Bug #: 52288
Summary: Trying to set font family on XWPFRun causes NPE
Product: POI
Version: 3.8-dev
Platform: PC
OS/Version: Windows XP
Status: NEW
Severity: blocker
Priority: P2
Component: XWPF
AssignedTo: [email protected]
ReportedBy: [email protected]
Classification: Unclassified
Created attachment 28029
--> https://issues.apache.org/bugzilla/attachment.cgi?id=28029
Test document that causes the crash
I have just started using POI and I am trying to set the font family for a
XWPFRun using XWPFRun#setFontFamily() but it always crashes with a
NullPointerException. I have tried this with POI versions 3.7 and 3.8 Beta 4
with the same results.
The font exists and the run's text is not null so why would this fail? I
cannot locate the source in question but the actual exception is:
java.lang.NullPointerException
at
org.apache.poi.xwpf.usermodel.XWPFRun.setFontFamily(XWPFRun.java:465)
Does anyone know how I can get around this? Calling XWPFRun#getFontFamily()
immediately before trying to set it returns null but I wouldn't have thought
that would matter.
Thanks,
-jct
Here is the code for a test case to use with the attached document:
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Iterator;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
public class RunTest {
private static final String INPUT_FILE_NAME = "C:\\input.docx";
private static final String OUTPUT_FILE_NAME = "C:\\output.docx";
public static void main(final String[] args) {
try {
final XWPFDocument doc = new XWPFDocument(new
FileInputStream(INPUT_FILE_NAME));
final Iterator<XWPFParagraph> paragraphs =
doc.getParagraphsIterator();
while (paragraphs.hasNext()) {
final XWPFParagraph paragraph = paragraphs.next();
for (final XWPFRun run : paragraph.getRuns()) {
if (run != null) {
final String text = run.getText(0);
if (text != null) {
run.setFontFamily("Times New Roman");
}
}
}
}
doc.write(new FileOutputStream(OUTPUT_FILE_NAME));
} catch (final Exception e) {
e.printStackTrace();
}
}
}
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