2004-10-20 Michael Koch <konqueror@gmx.de>

	* javax/imageio/spi/ImageReaderSpi.java
	(isOwnReader): New method.
	* javax/imageio/spi/ImageWriterSpi.java
	(isOwnWriter): Likewise.

2 files changed, 16 insertions, 0 deletions

diff --git a/javax/imageio/spi/ImageReaderSpi.java b/javax/imageio/spi/ImageReaderSpi.java
index 6e4d4d0e1..e041c371e 100644
--- a/javax/imageio/spi/ImageReaderSpi.java
+++ b/javax/imageio/spi/ImageReaderSpi.java
@@ -110,4 +110,12 @@ public abstract class ImageReaderSpi extends ImageReaderWriterSpi
   {
     return inputTypes;
   }
+
+  public boolean isOwnReader(ImageReader reader)
+  {
+    if (reader == null)
+      throw new IllegalArgumentException("reader may not be null");
+    
+    return pluginClassName.equals(reader.getClass().getName());
+  }
 }
diff --git a/javax/imageio/spi/ImageWriterSpi.java b/javax/imageio/spi/ImageWriterSpi.java
index 844d9ee41..306408df8 100644
--- a/javax/imageio/spi/ImageWriterSpi.java
+++ b/javax/imageio/spi/ImageWriterSpi.java
@@ -124,4 +124,12 @@ public abstract class ImageWriterSpi extends ImageReaderWriterSpi
   {
     return true;
   }
+
+  public boolean isOwnWriter(ImageWriter writer)
+  {
+    if (writer == null)
+      throw new IllegalArgumentException("writer may not be null");
+
+    return pluginClassName.equals(writer.getClass().getName());
+  }
 }