trace/traceviewer/com.nokia.traceviewer.ost/src/com/nokia/traceviewer/ost/OstDataMatcherChecker.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/trace/traceviewer/com.nokia.traceviewer.ost/src/com/nokia/traceviewer/ost/OstDataMatcherChecker.java Wed Jun 23 14:49:59 2010 +0300
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
+ * All rights reserved.
+ * This component and the accompanying materials are made available
+ * under the terms of "Eclipse Public License v1.0"
+ * which accompanies this distribution, and is available
+ * at the URL "http://www.eclipse.org/legal/epl-v10.html".
+ *
+ * Initial Contributors:
+ * Nokia Corporation - initial contribution.
+ *
+ * Contributors:
+ *
+ * Description:
+ *
+ * OST Data Matcher Checker
+ *
+ */
+package com.nokia.traceviewer.ost;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+
+import com.nokia.traceviewer.engine.TraceViewerConst;
+
+/**
+ * OST Data Matcher Checker
+ *
+ */
+public class OstDataMatcherChecker implements OstConsts, TraceViewerConst {
+
+ /**
+ * Checks if file format seems to match
+ *
+ * @param filePath
+ * file path
+ * @return true if file format seems to match, false if not
+ */
+ boolean checkIfFileFormatMatches(String filePath) {
+ boolean matches = false;
+ FileInputStream is = null;
+ try {
+ is = new FileInputStream(filePath);
+ if (is.available() > 0) {
+ byte[] arr = new byte[OST_V05_PROTOCOLID_OFFSET + 1];
+ is.read(arr);
+ int versionNumber = 0;
+ int msgId = 0;
+
+ // Get version number and message ID
+ versionNumber |= arr[OST_VERSION_OFFSET] & BYTE_MASK;
+
+ // Version must be 0.0, 0.1, 0.5 or 1.0
+ if (versionNumber == OST_V00 || versionNumber == OST_V01) {
+ msgId |= arr[OST_V01_PROTOCOLID_OFFSET] & BYTE_MASK;
+ } else if (versionNumber == OST_V05 || versionNumber == OST_V10) {
+ msgId |= arr[OST_V05_PROTOCOLID_OFFSET] & BYTE_MASK;
+ }
+
+ // Message ID must be Simple Trace or ASCII
+ if (msgId == OST_SIMPLE_TRACE_ID || msgId == OST_ASCII_TRACE_ID) {
+ matches = true;
+ }
+ }
+
+ } catch (IOException e) {
+
+ // Close the stream
+ } finally {
+ if (is != null) {
+ try {
+ is.close();
+ } catch (IOException e) {
+ }
+ }
+
+ }
+
+ return matches;
+ }
+}