1 files changed, 34 insertions, 0 deletions
diff --git a/isoparser/src/main/java/com/googlecode/mp4parser/util/.svn/text-base/CastUtils.java.svn-base b/isoparser/src/main/java/com/googlecode/mp4parser/util/.svn/text-base/CastUtils.java.svn-base
new file mode 100644
index 0000000..2dd011a
--- /dev/null
+++ b/isoparser/src/main/java/com/googlecode/mp4parser/util/.svn/text-base/CastUtils.java.svn-base
@@ -0,0 +1,34 @@
+/*
+ * Copyright 2012 Sebastian Annies, Hamburg
+ *
+ * Licensed under the Apache License, Version 2.0 (the License);
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.googlecode.mp4parser.util;
+
+
+public class CastUtils {
+    /**
+     * Casts a long to an int. In many cases I use a long for a UInt32 but this cannot be used to allocate
+     * ByteBuffers or arrays since they restricted to <code>Integer.MAX_VALUE</code> this cast-method will throw
+     * a RuntimeException if the cast would cause a loss of information.
+     *
+     * @param l the long value
+     * @return the long value as int
+     */
+    public static int l2i(long l) {
+        if (l > Integer.MAX_VALUE || l < Integer.MIN_VALUE) {
+            throw new RuntimeException("A cast to int has gone wrong. Please contact the mp4parser discussion group (" + l + ")");
+        }
+        return (int) l;
+    }
+}