Added StreamUtil for reading all data from an InputStream. Added

support to DDSImage and TextureIO classes for reading DDS files from
InputStreams and URLs based on request from Tom Gaskins.


git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@754 232f8b59-042b-4e1e-8c03-345bb8c30851

1 files changed, 74 insertions, 0 deletions

diff --git a/src/classes/com/sun/opengl/util/StreamUtil.java b/src/classes/com/sun/opengl/util/StreamUtil.java
new file mode 100755
index 000000000..c7a32d737
--- /dev/null
+++ b/src/classes/com/sun/opengl/util/StreamUtil.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved.
+ * 
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * 
+ * - Redistribution of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * 
+ * - Redistribution in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * 
+ * Neither the name of Sun Microsystems, Inc. or the names of
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ * 
+ * This software is provided "AS IS," without a warranty of any kind. ALL
+ * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
+ * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
+ * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
+ * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
+ * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
+ * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
+ * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
+ * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
+ * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
+ * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
+ * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
+ * 
+ * You acknowledge that this software is not designed or intended for use
+ * in the design, construction, operation or maintenance of any nuclear
+ * facility.
+ * 
+ * Sun gratefully acknowledges that this software was originally authored
+ * and developed by Kenneth Bradley Russell and Christopher John Kline.
+ */
+
+package com.sun.opengl.util;
+
+import java.io.*;
+
+/** Utilities for dealing with streams. */
+
+public class StreamUtil {
+  private StreamUtil() {}
+
+  public static byte[] readAll(InputStream in) throws IOException {
+    in = new BufferedInputStream(in);
+    int avail = in.available();
+    byte[] data = new byte[avail];
+    int numRead = 0;
+    int pos = 0;
+    do {
+      if (pos + avail > data.length) {
+        byte[] newData = new byte[pos + avail];
+        System.arraycopy(data, 0, newData, 0, pos);
+        data = newData;
+      }
+      numRead = in.read(data, pos, avail);
+      if (numRead >= 0) {
+        pos += numRead;
+      }
+      avail = in.available();
+    } while (avail > 0 && numRead >= 0);
+    if (pos != data.length) {
+      byte[] newData = new byte[pos];
+      System.arraycopy(data, 0, newData, 0, pos);
+      data = newData;
+    }
+    return data;
+  }
+}