From be3ddc922fda13c0ba344909b3639a2c78c4b809 Mon Sep 17 00:00:00 2001
From: Michael Bien <mbien@fh-landshut.de>
Date: Sun, 28 Mar 2010 18:37:59 +0200
Subject: (part2) merged all cdc_fp special cases into one common superclass
for each special case. introduced Platform as utility for querying platform
information. special cdc build with cdc_fp bootclasspath temporary dissabled.
---
src/java/com/jogamp/gluegen/runtime/Platform.java | 107 ++++++++++++++++++++++
1 file changed, 107 insertions(+)
create mode 100644 src/java/com/jogamp/gluegen/runtime/Platform.java
(limited to 'src/java/com/jogamp/gluegen/runtime/Platform.java')
diff --git a/src/java/com/jogamp/gluegen/runtime/Platform.java b/src/java/com/jogamp/gluegen/runtime/Platform.java
new file mode 100644
index 0000000..7c5e97e
--- /dev/null
+++ b/src/java/com/jogamp/gluegen/runtime/Platform.java
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2010, Michael Bien
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions 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 Michael Bien nor the
+ * names of its contributors may be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL Michael Bien BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * Created on Sunday, March 28 2010 14:43
+ */
+package com.jogamp.gluegen.runtime;
+
+import java.nio.ByteBuffer;
+import java.nio.IntBuffer;
+import java.nio.ShortBuffer;
+
+/**
+ * Utility class for querying platform specific properties.
+ * @author Michael Bien
+ */
+public class Platform {
+
+ public static final boolean JAVA_SE;
+ public static final boolean LITTLE_ENDIAN;
+
+ static {
+ // platform
+ // fast path
+ boolean se = System.getProperty("java.runtime.name").indexOf("Java SE") != -1;
+
+ if(!se) {
+ try{
+ Class.forName("java.nio.LongBuffer");
+ Class.forName("java.nio.DoubleBuffer");
+ se = true;
+ }catch(ClassNotFoundException ex) {
+ se = false;
+ }
+ }
+ JAVA_SE = se;
+
+ // byte order
+ ByteBuffer tst_b = BufferFactory.newDirectByteBuffer(BufferFactory.SIZEOF_INT); // 32bit in native order
+ IntBuffer tst_i = tst_b.asIntBuffer();
+ ShortBuffer tst_s = tst_b.asShortBuffer();
+ tst_i.put(0, 0x0A0B0C0D);
+ LITTLE_ENDIAN = 0x0C0D == tst_s.get(0);
+ }
+
+ private Platform() {}
+
+ /**
+ * Returns true only if this program is running on the Java Standard Edition.
+ */
+ public static boolean isJavaSE() {
+ return JAVA_SE;
+ }
+
+ /**
+ * Returns true only if this system uses little endian byte ordering.
+ */
+ public static boolean isLittleEndian() {
+ return LITTLE_ENDIAN;
+ }
+
+ /**
+ * Returns the OS name.
+ */
+ public static String getOS() {
+ return System.getProperty("os.name");
+ }
+
+ /**
+ * Returns the CPU architecture String.
+ */
+ public static String getArch() {
+ return System.getProperty("os.arch");
+ }
+
+ /**
+ * Returns true if this JVM is a 32bit JVM.
+ */
+ public static boolean is32Bit() {
+ return CPU.is32Bit();
+ }
+
+}
--
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