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Posted to commits@pdfbox.apache.org by ti...@apache.org on 2014/03/17 08:37:54 UTC
svn commit: r1578259 -
/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java
Author: tilman
Date: Mon Mar 17 07:37:53 2014
New Revision: 1578259
URL: http://svn.apache.org/r1578259
Log:
PDFBOX-1975: added error log output if writeImage() returns false
Modified:
pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java
Modified: pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java
URL: http://svn.apache.org/viewvc/pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java?rev=1578259&r1=1578258&r2=1578259&view=diff
==============================================================================
--- pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java (original)
+++ pdfbox/trunk/pdfbox/src/main/java/org/apache/pdfbox/util/ImageIOUtil.java Mon Mar 17 07:37:53 2014
@@ -32,6 +32,8 @@ import javax.imageio.metadata.IIOInvalid
import javax.imageio.metadata.IIOMetadata;
import javax.imageio.metadata.IIOMetadataNode;
import javax.imageio.stream.ImageOutputStream;
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
import static org.apache.pdfbox.util.MetaUtil.STANDARD_METADATA_FORMAT;
import org.w3c.dom.NodeList;
@@ -40,6 +42,11 @@ import org.w3c.dom.NodeList;
*/
public class ImageIOUtil
{
+ /**
+ * Log instance
+ */
+ private static final Log LOG = LogFactory.getLog(ImageIOUtil.class);
+
private ImageIOUtil()
{
}
@@ -120,7 +127,7 @@ public class ImageIOUtil
IIOMetadata metadata = null;
// Loop until we get the best driver, i.e. one that supports
// setting dpi in the standard metadata format; however we'd also
- // accept a driver that can't if a better one can't be found
+ // accept a driver that can't, if a better one can't be found
while (writers.hasNext())
{
if (writer != null)
@@ -139,6 +146,15 @@ public class ImageIOUtil
}
if (writer == null)
{
+ LOG.error("No ImageWriter found for '" + formatName + "' format");
+ StringBuilder sb = new StringBuilder();
+ String[] writerFormatNames = ImageIO.getWriterFormatNames();
+ for (String fmt : writerFormatNames)
+ {
+ sb.append(fmt);
+ sb.append(' ');
+ }
+ LOG.error("Supported formats: " + sb);
return false;
}