1 files changed, 45 insertions, 0 deletions
diff --git a/prov/src/main/java/org/spongycastle/x509/X509StreamParserSpi.java b/prov/src/main/java/org/spongycastle/x509/X509StreamParserSpi.java
new file mode 100644
index 00000000..814a65f9
--- /dev/null
+++ b/prov/src/main/java/org/spongycastle/x509/X509StreamParserSpi.java
@@ -0,0 +1,45 @@
+package org.spongycastle.x509;
+
+import org.spongycastle.x509.util.StreamParsingException;
+
+import java.io.InputStream;
+import java.util.Collection;
+
+/**
+ * This abstract class defines the service provider interface (SPI) for
+ * X509StreamParser.
+ *
+ * @see org.spongycastle.x509.X509StreamParser
+ *
+ */
+public abstract class X509StreamParserSpi
+{
+    /**
+     * Initializes this stream parser with the input stream.
+     *
+     * @param in The input stream.
+     */
+    public abstract void engineInit(InputStream in);
+
+    /**
+     * Returns the next X.509 object of the type of this SPI from the given
+     * input stream.
+     *
+     * @return the next X.509 object in the stream or <code>null</code> if the
+     *         end of the stream is reached.
+     * @exception StreamParsingException
+     *                if the object cannot be created from input stream.
+     */
+    public abstract Object engineRead() throws StreamParsingException;
+
+    /**
+     * Returns all X.509 objects of the type of this SPI from
+     * the given input stream.
+     *
+     * @return A collection of all X.509 objects in the input stream or
+     *         <code>null</code> if the end of the stream is reached.
+     * @exception StreamParsingException
+     *                if an object cannot be created from input stream.
+     */
+    public abstract Collection engineReadAll() throws StreamParsingException;
+}