1 files changed, 109 insertions, 0 deletions
diff --git a/libjava/classpath/javax/imageio/stream/FileCacheImageInputStream.java b/libjava/classpath/javax/imageio/stream/FileCacheImageInputStream.java
new file mode 100644
index 00000000000..40fed63af01
--- /dev/null
+++ b/libjava/classpath/javax/imageio/stream/FileCacheImageInputStream.java
@@ -0,0 +1,109 @@
+/* FileCacheImageInputStream.java --
+   Copyright (C) 2004  Free Software Foundation, Inc.
+
+This file is 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, 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; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, 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 javax.imageio.stream;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.InputStream;
+
+/**
+ * @author Michael Koch (konqueror@gmx.de)
+ */
+public class FileCacheImageInputStream extends ImageInputStreamImpl
+{
+  private InputStream stream;
+  private File cacheDir;
+  
+  public FileCacheImageInputStream(InputStream stream, File cacheDir)
+    throws IOException
+  {
+    super();
+    this.stream = stream;
+    // FIXME: We do not support caching yet.
+    this.cacheDir = cacheDir;
+  }
+
+  public void close()
+    throws IOException
+  {
+    if (stream != null)
+      {
+	stream.close();
+	stream = null;
+      }
+  }
+
+  private void checkStreamClosed()
+    throws IOException
+  {
+    if (stream == null)
+      throw new IOException("stream closed");
+  }
+
+  public boolean isCached()
+  {
+    return true;
+  }
+
+  public boolean isCachedFile()
+  {
+    return true;
+  }
+  
+  public boolean isCachedMemory()
+  {
+    return false;
+  }
+
+  public int read()
+    throws IOException
+  {
+    checkStreamClosed();
+    setBitOffset(0);
+    return stream.read();
+  }
+
+  public int read(byte[] data, int offset, int len)
+    throws IOException
+  {
+    checkStreamClosed();
+    setBitOffset(0);
+    return stream.read(data, offset, len);
+  }
+}