1 files changed, 191 insertions, 0 deletions
diff --git a/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/timestamp/TmfTimePreferences.java b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/timestamp/TmfTimePreferences.java
new file mode 100644
index 0000000000..4904546c1b
--- /dev/null
+++ b/tmf/org.eclipse.tracecompass.tmf.core/src/org/eclipse/tracecompass/tmf/core/timestamp/TmfTimePreferences.java
@@ -0,0 +1,191 @@
+/*******************************************************************************
+ * Copyright (c) 2012, 2014 Ericsson
+ *
+ * All rights reserved. This program and the accompanying materials are
+ * made available under the terms of the Eclipse Public License v1.0 which
+ * accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     Francois Chouinard - Initial API and implementation
+ *     Marc-Andre Laperle - Add time zone preference
+ *******************************************************************************/
+
+package org.eclipse.tracecompass.tmf.core.timestamp;
+
+import java.util.HashMap;
+import java.util.Locale;
+import java.util.Map;
+import java.util.TimeZone;
+
+import org.eclipse.core.runtime.Platform;
+import org.eclipse.core.runtime.preferences.DefaultScope;
+import org.eclipse.core.runtime.preferences.IEclipsePreferences;
+import org.eclipse.core.runtime.preferences.InstanceScope;
+import org.eclipse.tracecompass.internal.tmf.core.Activator;
+
+/**
+ * TMF Time format preferences
+ *
+ * @author Francois Chouinard
+ */
+public final class TmfTimePreferences {
+
+    // ------------------------------------------------------------------------
+    // Constants
+    // ------------------------------------------------------------------------
+
+    private static final String DATIME_DEFAULT = ITmfTimePreferencesConstants.TIME_HOUR_FMT;
+    private static final String SUBSEC_DEFAULT = ITmfTimePreferencesConstants.SUBSEC_NANO_FMT;
+    private static final String DATE_DELIMITER_DEFAULT = ITmfTimePreferencesConstants.DELIMITER_DASH;
+    private static final String TIME_DELIMITER_DEFAULT = ITmfTimePreferencesConstants.DELIMITER_COLON;
+    private static final String SSEC_DELIMITER_DEFAULT = ITmfTimePreferencesConstants.DELIMITER_SPACE;
+    private static final String TIME_ZONE_DEFAULT = TimeZone.getDefault().getID();
+
+    // ------------------------------------------------------------------------
+    // Constructor
+    // ------------------------------------------------------------------------
+
+    /**
+     * Local constructor
+     */
+    private TmfTimePreferences() {
+    }
+
+    /**
+     * Initialize the default preferences and the singleton
+     */
+    public static void init() {
+        IEclipsePreferences defaultPreferences = DefaultScope.INSTANCE.getNode(Activator.PLUGIN_ID);
+        defaultPreferences.put(ITmfTimePreferencesConstants.DATIME, DATIME_DEFAULT);
+        defaultPreferences.put(ITmfTimePreferencesConstants.SUBSEC, SUBSEC_DEFAULT);
+        defaultPreferences.put(ITmfTimePreferencesConstants.DATE_DELIMITER, DATE_DELIMITER_DEFAULT);
+        defaultPreferences.put(ITmfTimePreferencesConstants.TIME_DELIMITER, TIME_DELIMITER_DEFAULT);
+        defaultPreferences.put(ITmfTimePreferencesConstants.SSEC_DELIMITER, SSEC_DELIMITER_DEFAULT);
+        defaultPreferences.put(ITmfTimePreferencesConstants.TIME_ZONE, TIME_ZONE_DEFAULT);
+
+        TmfTimestampFormat.updateDefaultFormats();
+    }
+
+    // ------------------------------------------------------------------------
+    // Getters/Setters
+    // ------------------------------------------------------------------------
+
+    /**
+     * Return the timestamp pattern
+     *
+     * @return the timestamp pattern
+     */
+    public static String getTimePattern() {
+        return computeTimePattern(getPreferenceMap(false));
+    }
+
+    /**
+     * Return the interval pattern
+     *
+     * @return the interval pattern
+     */
+    public static String getIntervalPattern() {
+        return computeIntervalPattern(getPreferenceMap(false));
+    }
+
+    /**
+     * Get the time zone
+     *
+     * @return the time zone
+     */
+    public static TimeZone getTimeZone() {
+        return TimeZone.getTimeZone(Platform.getPreferencesService().getString(Activator.PLUGIN_ID, ITmfTimePreferencesConstants.TIME_ZONE, TimeZone.getDefault().getID(), null));
+    }
+
+    /**
+     * Get the locale
+     *
+     * @return the locale
+     */
+    public static Locale getLocale() {
+        return Locale.forLanguageTag(Platform.getPreferencesService().getString(Activator.PLUGIN_ID, ITmfTimePreferencesConstants.LOCALE, Locale.getDefault().toLanguageTag(), null));
+    }
+
+    /**
+     * Get the default preferences map
+     *
+     * @return a collection containing the default preferences
+     */
+    public static Map<String, String> getDefaultPreferenceMap() {
+        return getPreferenceMap(true);
+    }
+
+    /**
+     * Get the current preferences map
+     *
+     * @return a collection containing the current preferences
+     */
+    public static Map<String, String> getPreferenceMap() {
+        return getPreferenceMap(false);
+    }
+
+    private static Map<String, String> getPreferenceMap(boolean defaultValues) {
+        Map<String, String> prefsMap = new HashMap<>();
+        IEclipsePreferences prefs = defaultValues ? DefaultScope.INSTANCE.getNode(Activator.PLUGIN_ID) : InstanceScope.INSTANCE.getNode(Activator.PLUGIN_ID);
+        prefToMap(prefs, prefsMap, ITmfTimePreferencesConstants.SUBSEC, SUBSEC_DEFAULT);
+        prefToMap(prefs, prefsMap, ITmfTimePreferencesConstants.TIME_DELIMITER, TIME_DELIMITER_DEFAULT);
+        prefToMap(prefs, prefsMap, ITmfTimePreferencesConstants.SSEC_DELIMITER, SSEC_DELIMITER_DEFAULT);
+        prefToMap(prefs, prefsMap, ITmfTimePreferencesConstants.DATIME, DATIME_DEFAULT);
+        prefToMap(prefs, prefsMap, ITmfTimePreferencesConstants.DATE_DELIMITER, DATE_DELIMITER_DEFAULT);
+        return prefsMap;
+    }
+
+    // ------------------------------------------------------------------------
+    // Operations
+    // ------------------------------------------------------------------------
+
+    private static String computeIntervalPattern(Map<String, String> prefsMap) {
+        String ssecFmt = computeSubSecFormat(prefsMap);
+        return ITmfTimePreferencesConstants.TIME_ELAPSED_FMT + "." + ssecFmt; //$NON-NLS-1$
+    }
+
+    private static String computeSubSecFormat(Map<String, String> prefsMap) {
+        String sSecFormat = prefsMap.get(ITmfTimePreferencesConstants.SUBSEC);
+        String sSecFieldSep = prefsMap.get(ITmfTimePreferencesConstants.SSEC_DELIMITER);
+        String ssecFmt = sSecFormat.replaceAll(" ", sSecFieldSep); //$NON-NLS-1$
+        return ssecFmt;
+    }
+
+    private static void prefToMap(IEclipsePreferences node, Map<String, String> prefsMap, String key, String defaultValue) {
+        prefsMap.put(key, node.get(key, defaultValue));
+    }
+
+    /**
+     * Compute the time pattern with the collection of preferences
+     *
+     * @param prefsMap the preferences to apply when computing the time pattern
+     * @return the time pattern resulting in applying the preferences
+     */
+    public static String computeTimePattern(Map<String, String> prefsMap) {
+        String dateTimeFormat = prefsMap.get(ITmfTimePreferencesConstants.DATIME);
+        if (dateTimeFormat == null) {
+            dateTimeFormat = ITmfTimePreferencesConstants.DEFAULT_TIME_PATTERN;
+        }
+
+        String dateFormat;
+        String timeFormat;
+        int index = dateTimeFormat.indexOf(' ');
+        if (index != -1) {
+            dateFormat = dateTimeFormat.substring(0, dateTimeFormat.indexOf(' ') + 1);
+            timeFormat = dateTimeFormat.substring(dateFormat.length());
+        } else {
+            dateFormat = ""; //$NON-NLS-1$
+            timeFormat = dateTimeFormat;
+        }
+
+        String dateFieldSep = prefsMap.get(ITmfTimePreferencesConstants.DATE_DELIMITER);
+        String timeFieldSep = prefsMap.get(ITmfTimePreferencesConstants.TIME_DELIMITER);
+        String dateFmt = dateFormat.replaceAll("-", dateFieldSep); //$NON-NLS-1$
+        String timeFmt = timeFormat.replaceAll(":", timeFieldSep); //$NON-NLS-1$
+
+        String ssecFmt = computeSubSecFormat(prefsMap);
+        return dateFmt + timeFmt + (ssecFmt.equals(ITmfTimePreferencesConstants.SUBSEC_NO_FMT) ? "" : '.' + ssecFmt); //$NON-NLS-1$;
+    }
+
+}