1 files changed, 101 insertions, 0 deletions
diff --git a/src/android/bluetooth/client/pbap/utils/ObexTime.java b/src/android/bluetooth/client/pbap/utils/ObexTime.java
new file mode 100644
index 0000000..74bc2ab
--- /dev/null
+++ b/src/android/bluetooth/client/pbap/utils/ObexTime.java
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 android.bluetooth.client.pbap.utils;
+
+import java.util.Calendar;
+import java.util.Date;
+import java.util.Locale;
+import java.util.TimeZone;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public final class ObexTime {
+
+    private Date mDate;
+
+    public ObexTime(String time) {
+        /*
+         * match OBEX time string: YYYYMMDDTHHMMSS with optional UTF offset
+         * +/-hhmm
+         */
+        Pattern p = Pattern
+                .compile("(\\d{4})(\\d{2})(\\d{2})T(\\d{2})(\\d{2})(\\d{2})(([+-])(\\d{2})(\\d{2}))?");
+        Matcher m = p.matcher(time);
+
+        if (m.matches()) {
+
+            /*
+             * matched groups are numberes as follows: YYYY MM DD T HH MM SS +
+             * hh mm ^^^^ ^^ ^^ ^^ ^^ ^^ ^ ^^ ^^ 1 2 3 4 5 6 8 9 10 all groups
+             * are guaranteed to be numeric so conversion will always succeed
+             * (except group 8 which is either + or -)
+             */
+
+            Calendar cal = Calendar.getInstance();
+            cal.set(Integer.parseInt(m.group(1)), Integer.parseInt(m.group(2)) - 1,
+                    Integer.parseInt(m.group(3)), Integer.parseInt(m.group(4)),
+                    Integer.parseInt(m.group(5)), Integer.parseInt(m.group(6)));
+
+            /*
+             * if 7th group is matched then we have UTC offset information
+             * included
+             */
+            if (m.group(7) != null) {
+                int ohh = Integer.parseInt(m.group(9));
+                int omm = Integer.parseInt(m.group(10));
+
+                /* time zone offset is specified in miliseconds */
+                int offset = (ohh * 60 + omm) * 60 * 1000;
+
+                if (m.group(8).equals("-")) {
+                    offset = -offset;
+                }
+
+                TimeZone tz = TimeZone.getTimeZone("UTC");
+                tz.setRawOffset(offset);
+
+                cal.setTimeZone(tz);
+            }
+
+            mDate = cal.getTime();
+        }
+    }
+
+    public ObexTime(Date date) {
+        mDate = date;
+    }
+
+    public Date getTime() {
+        return mDate;
+    }
+
+    @Override
+    public String toString() {
+        if (mDate == null) {
+            return null;
+        }
+
+        Calendar cal = Calendar.getInstance();
+        cal.setTime(mDate);
+
+        /* note that months are numbered stating from 0 */
+        return String.format(Locale.US, "%04d%02d%02dT%02d%02d%02d",
+                cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1,
+                cal.get(Calendar.DATE), cal.get(Calendar.HOUR_OF_DAY),
+                cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND));
+    }
+}