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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2019/06/08 11:20:27 UTC
svn commit: r1860823 -
/pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java
Author: tilman
Date: Sat Jun 8 11:20:26 2019
New Revision: 1860823
URL: http://svn.apache.org/viewvc?rev=1860823&view=rev
Log:
PDFBOX-4071: avoid duplicates
Modified:
pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java
Modified: pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java
URL: http://svn.apache.org/viewvc/pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java?rev=1860823&r1=1860822&r2=1860823&view=diff
==============================================================================
--- pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java (original)
+++ pdfbox/branches/issue45/pdfbox/src/main/java/org/apache/pdfbox/cos/COSInputStream.java Sat Jun 8 11:20:26 2019
@@ -23,7 +23,9 @@ import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
+import java.util.HashSet;
import java.util.List;
+import java.util.Set;
import org.apache.pdfbox.filter.DecodeOptions;
import org.apache.pdfbox.filter.DecodeResult;
@@ -67,6 +69,11 @@ public final class COSInputStream extend
}
else
{
+ Set<Filter> filterSet = new HashSet<Filter>(filters);
+ if (filterSet.size() != filters.size())
+ {
+ throw new IOException("Duplicate");
+ }
// apply filters
for (int i = 0; i < filters.size(); i++)
{