1 files changed, 103 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/DigestInputStream.java b/libjava/classpath/gnu/javax/net/ssl/provider/DigestInputStream.java
new file mode 100644
index 00000000000..dd138b436a1
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+++ b/libjava/classpath/gnu/javax/net/ssl/provider/DigestInputStream.java
@@ -0,0 +1,103 @@
+/* DigestInputStream.java -- digesting input stream.
+   Copyright (C) 2006  Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or (at
+your option) any later version.
+
+GNU Classpath is distributed in the hope that it will be useful, but
+WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
+USA
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version.  */
+
+
+package gnu.javax.net.ssl.provider;
+
+import java.io.FilterInputStream;
+import java.io.InputStream;
+import java.io.IOException;
+
+import gnu.java.security.hash.IMessageDigest;
+
+final class DigestInputStream extends FilterInputStream
+{
+
+  // Fields.
+  // -------------------------------------------------------------------------
+
+  private IMessageDigest md5, sha;
+  private boolean digesting;
+
+  // Constructor.
+  // -------------------------------------------------------------------------
+
+  DigestInputStream(InputStream in, IMessageDigest md5, IMessageDigest sha)
+  {
+    super(in);
+    if (md5 == null || sha == null)
+      throw new NullPointerException();
+    this.md5 = md5;
+    this.sha = sha;
+    digesting = true;
+  }
+
+  // Instance methods.
+  // -------------------------------------------------------------------------
+
+  void setDigesting(boolean digesting)
+  {
+    this.digesting = digesting;
+  }
+
+  public int read() throws IOException
+  {
+    int i = in.read();
+    if (digesting && i != -1)
+      {
+        md5.update((byte) i);
+        sha.update((byte) i);
+      }
+    return i;
+  }
+
+  public int read(byte[] buf) throws IOException
+  {
+    return read(buf, 0, buf.length);
+  }
+
+  public int read(byte[] buf, int off, int len) throws IOException
+  {
+    int ret = in.read(buf, off, len);
+    if (digesting && ret != -1)
+      {
+        md5.update(buf, off, ret);
+        sha.update(buf, off, ret);
+      }
+    return ret;
+  }
+}