try to handle case where checksum is null

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1884278 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
PJ Fanning 2020-12-10 12:24:19 +00:00
parent e1bb2cca33
commit da146d3399
1 changed files with 11 additions and 4 deletions

View File

@ -124,7 +124,7 @@ public class XWPFPictureData extends POIXMLDocumentPart {
/**
* Return an integer constant that specifies type of this picture
*
* @return an integer constant that specifies type of this picture
* @return an integer constant that specifies type of this picture, returns 0 if an unknown type
* @see org.apache.poi.xwpf.usermodel.Document#PICTURE_TYPE_EMF
* @see org.apache.poi.xwpf.usermodel.Document#PICTURE_TYPE_WMF
* @see org.apache.poi.xwpf.usermodel.Document#PICTURE_TYPE_PICT
@ -217,15 +217,22 @@ public class XWPFPictureData extends POIXMLDocumentPart {
Long foreignChecksum = picData.getChecksum();
Long localChecksum = getChecksum();
if (!(localChecksum.equals(foreignChecksum))) {
return false;
if (localChecksum == null) {
if (foreignChecksum != null) {
return false;
}
} else {
if (!(localChecksum.equals(foreignChecksum))) {
return false;
}
}
return Arrays.equals(this.getData(), picData.getData());
}
@Override
public int hashCode() {
return getChecksum().hashCode();
Long checksum = getChecksum();
return checksum == null ? super.hashCode() : checksum.hashCode();
}
/**