Add ExceptionUtils: Exposing dumpStackTrace(..) and dumpThrowable(..)

1 files changed, 60 insertions, 0 deletions

diff --git a/src/java/com/jogamp/common/ExceptionUtils.java b/src/java/com/jogamp/common/ExceptionUtils.java
new file mode 100644
index 0000000..5829298
--- /dev/null
+++ b/src/java/com/jogamp/common/ExceptionUtils.java
@@ -0,0 +1,60 @@
+/**
+ * Copyright 2014 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ *    1. Redistributions of source code must retain the above copyright notice, this list of
+ *       conditions and the following disclaimer.
+ *
+ *    2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``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 JogAmp Community OR
+ * CONTRIBUTORS 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.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+package com.jogamp.common;
+
+import java.io.PrintStream;
+
+/**
+ * @since 2.3.0
+ */
+public class ExceptionUtils {
+    public static void dumpStackTrace(final PrintStream out, final int skip, final int depth) {
+        dumpStackTrace(out, new Exception(""), skip+1, depth);
+    }
+    public static void dumpStackTrace(final PrintStream out, final Throwable t, final int skip, final int depth) {
+        dumpStackTrace(out, t.getStackTrace(), skip, depth);
+    }
+    public static void dumpStackTrace(final PrintStream out, final StackTraceElement[] stack, final int skip, final int depth) {
+        if( null == stack ) {
+            return;
+        }
+        final int maxDepth = Math.min(depth+skip, stack.length);
+        for(int i=skip; i<maxDepth; i++) {
+            out.println("    ["+i+"]: "+stack[i]);
+        }
+    }
+
+    /**
+     * Dumps a Throwable in a decorating message including the current thread name, and stack trace.
+     */
+    public static void dumpThrowable(final String additionalDescr, final Throwable t) {
+        System.err.println("Caught "+additionalDescr+" "+t.getClass().getSimpleName()+": "+t.getMessage()+" on thread "+Thread.currentThread().getName());
+        t.printStackTrace();
+    }
+
+}