Ticket #514: resources.patch

print-lib/src/main/java/org/mapfish/print/PDFUtils.java

@@ -39 +39 @@
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import java.io.BufferedInputStream;
+import java.io.ByteArrayOutputStream;
+
 /**
  * Some utility functions for iText.
  */
@@ -92 +95 @@
      * Gets an iText image. Avoids doing the query twice.
      */
     protected static Image getImageDirect(RenderingContext context, URI uri) throws IOException, DocumentException {
+        if(uri.toString().indexOf("resource:")>-1) {
+            BufferedInputStream bis = null;
+            ByteArrayOutputStream baos = null;
+            try {
+                bis = new BufferedInputStream(PDFUtils.class.getResourceAsStream(uri.toString().substring("resource:".length())));
+                baos = new ByteArrayOutputStream();
+                byte[] data = new byte[1024];
+                int tmp = bis.read(data);
+                while(tmp != -1) {
+                    baos.write(data, 0, tmp);
+                    tmp = bis.read(data);
+                }
+                Image image = Image.getInstance(baos.toByteArray());
+                return image;
+            } catch (DocumentException e) {
+                LOGGER.warn("Couldn't generate a transparent image");
+                throw e;
+            }
+            finally {
+                if(bis != null) {
+                    bis.close();
+                }
+                if(baos != null) {
+                    baos.close();
+                }
+            }
+        }
         if (!uri.isAbsolute()) {
             //non-absolute URI are local, so we can use the normal iText method
             return Image.getInstance(uri.toString());