Implemented some classes in javax.imageio.spi.

1 files changed, 84 insertions, 0 deletions

diff --git a/javax/imageio/spi/ImageTranscoderSpi.java b/javax/imageio/spi/ImageTranscoderSpi.java
new file mode 100644
index 000000000..85ca77d46
--- /dev/null
+++ b/javax/imageio/spi/ImageTranscoderSpi.java
@@ -0,0 +1,84 @@
+/* ImageTranscoderSpi.java -- Factory for image metadata transcoders.
+   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., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 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.spi;
+
+import javax.imageio.ImageTranscoder;
+
+
+/**
+ * An abstract superclass for service providers that create
+ * {@linkplain javax.imageio.ImageTranscoder image metadata
+ * transcoders}.
+ *
+ * @since 1.4
+ *
+ * @author <a href="mailto:brawer@dandelis.ch">Sascha Brawer</a>
+ */
+public abstract class ImageTranscoderSpi
+  extends IIOServiceProvider
+{
+  /**
+   * Constructs a service provider for image metadata transcoders,
+   * given no parameters. It is up to the sub-class to set {@link
+   * #vendorName} and {@link #version} to non-null values.
+   */
+  protected ImageTranscoderSpi()
+  {
+  }
+
+
+  /**
+   * Constructs a service provider for image metadata transcoders,
+   * given the vendor name and a version string.
+   *
+   * @throws IllegalArgumentException if <code>vendorName</code>
+   * or <code>version</code> is <code>null</code>.
+   */
+  public ImageTranscoderSpi(String vendorName, String version)
+  {
+    super(vendorName, version);
+  }
+
+
+  public abstract String getReaderServiceProviderName();
+
+  public abstract String getWriterServiceProviderName();
+
+  public abstract ImageTranscoder createTranscoderInstance();
+}