Merge pull request #1708 from open-keychain/performance

performance improvements

1 files changed, 32 insertions, 0 deletions

diff --git a/OpenKeychain/src/main/java/org/bouncycastle/openpgp/jcajce/JcaSkipMarkerPGPObjectFactory.java b/OpenKeychain/src/main/java/org/bouncycastle/openpgp/jcajce/JcaSkipMarkerPGPObjectFactory.java
new file mode 100644
index 000000000..72d6036ab
--- /dev/null
+++ b/OpenKeychain/src/main/java/org/bouncycastle/openpgp/jcajce/JcaSkipMarkerPGPObjectFactory.java
@@ -0,0 +1,32 @@
+package org.bouncycastle.openpgp.jcajce;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.bouncycastle.openpgp.PGPMarker;
+
+/** This class wraps the regular PGPObjectFactory, changing its behavior to
+ * ignore all PGPMarker packets it encounters while reading. These packets
+ * carry no semantics of their own, and should be ignored according to
+ * RFC 4880.
+ * 
+ * @see https://tools.ietf.org/html/rfc4880#section-5.8
+ * @see org.bouncycastle.openpgp.PGPMarker
+ * 
+ */
+public class JcaSkipMarkerPGPObjectFactory extends JcaPGPObjectFactory {
+
+    public JcaSkipMarkerPGPObjectFactory(InputStream in) {
+        super(in);
+    }
+
+    @Override
+    public Object nextObject() throws IOException {
+        Object o = super.nextObject();
+        while (o instanceof PGPMarker) {
+            o = super.nextObject();
+        }
+        return o;
+    }
+}