Examples with BackingStoreException java.util.prefs.BackingStoreException used on opensource projects

Example 71 with BackingStoreException

use of java.util.prefs.BackingStoreException in project JMRI by JMRI.

the class ManagerDefaultSelector method initialize.

@Override
public void initialize(Profile profile) throws InitializationException {
    if (!this.isInitialized(profile)) {
        // NOI18N
        Preferences settings = ProfileUtils.getPreferences(profile, this.getClass(), true).node("defaults");
        try {
            for (String name : settings.keys()) {
                String connection = settings.get(name, null);
                Class<?> cls = this.classForName(name);
                log.debug("Loading default {} for {}", connection, name);
                if (cls != null) {
                    this.defaults.put(cls, connection);
                    log.debug("Loaded default {} for {}", connection, cls);
                }
            }
        } catch (BackingStoreException ex) {
            log.info("Unable to read preferences for Default Selector.");
        }
        InitializationException ex = this.configure();
        ConfigureManager manager = InstanceManager.getNullableDefault(ConfigureManager.class);
        if (manager != null) {
            // allow ProfileConfig.xml to be written correctly
            manager.registerPref(this);
        }
        this.setInitialized(profile, true);
        if (ex != null) {
            throw ex;
        }
    }
}

Example 72 with BackingStoreException

use of java.util.prefs.BackingStoreException in project JMRI by JMRI.

the class GuiLafPreferencesManager method savePreferences.

@Override
public void savePreferences(Profile profile) {
    Preferences preferences = ProfileUtils.getPreferences(profile, this.getClass(), true);
    preferences.put(LOCALE, this.getLocale().toLanguageTag());
    preferences.put(LOOK_AND_FEEL, this.getLookAndFeel());
    int temp = this.getFontSize();
    if (temp == this.getDefaultFontSize()) {
        temp = 0;
    }
    if (temp != preferences.getInt(FONT_SIZE, -1)) {
        preferences.putInt(FONT_SIZE, temp);
    }
    preferences.putBoolean(NONSTANDARD_MOUSE_EVENT, this.isNonStandardMouseEvent());
    // use graphic icons in bean table state column
    preferences.putBoolean(GRAPHICTABLESTATE, this.isGraphicTableState());
    preferences.putInt(SHOW_TOOL_TIP_TIME, this.getToolTipDismissDelay());
    try {
        preferences.sync();
    } catch (BackingStoreException ex) {
        log.error("Unable to save preferences.", ex);
    }
    this.setDirty(false);
}

Example 73 with BackingStoreException

use of java.util.prefs.BackingStoreException in project sling by apache.

the class Util method setPreference.

static void setPreference(final String name, final Object value, final boolean flush) {
    Preferences prefs = getPreferences();
    try {
        prefs.sync();
        if (value instanceof Long) {
            prefs.putLong(name, (Long) value);
        } else if (value instanceof Integer) {
            prefs.putInt(name, (Integer) value);
        } else if (value instanceof int[]) {
            String string = null;
            for (int val : (int[]) value) {
                if (string == null) {
                    string = String.valueOf(val);
                } else {
                    string += "," + val;
                }
            }
            prefs.put(name, string);
        } else if (value != null) {
            prefs.put(name, value.toString());
        }
        if (flush) {
            prefs.flush();
        }
    } catch (BackingStoreException ioe) {
    // ignore
    }
}

Example 74 with BackingStoreException

use of java.util.prefs.BackingStoreException in project processdash by dtuma.

the class MRUPreferencesList method createNewNode.

private Preferences createNewNode(Map<String, String> nodeAttrs) {
    String key = getUnusedKey();
    Preferences result = prefsBase.node(key);
    // if we are recycling a node from the past, delete and recreate it.
    if (exists(result)) {
        try {
            result.removeNode();
            result.flush();
            result = prefsBase.node(key);
        } catch (BackingStoreException bse) {
        }
    }
    for (Map.Entry<String, String> e : nodeAttrs.entrySet()) {
        String name = e.getKey();
        String val = e.getValue();
        if (val != null)
            result.put(name, val);
    }
    result.putLong(FIRST_USED, System.currentTimeMillis());
    flush(result);
    return result;
}

Example 75 with BackingStoreException

use of java.util.prefs.BackingStoreException in project processdash by dtuma.

the class PreferencesUtils method putCLOB.

/**
     * Store a character large object (CLOB) under the given key in the given
     * preference node.
     * 
     * @param prefs the preference node to store data under
     * @param key the key to associate data with
     * @param clob the CLOB value to store
     */
public static void putCLOB(Preferences prefs, String key, String clob) {
    if (clob == null)
        throw new NullPointerException("CLOB value cannot be null");
    // a single preference key, just store it normally.
    if (clob.length() < Preferences.MAX_VALUE_LENGTH && !isCheckVal(clob)) {
        removeCLOB(prefs, key);
        prefs.put(key, clob);
        return;
    }
    // First, write the checksum value.  Then, if anything below fails, the
    // worst case scenario is that we will be able to detect the corrupt
    // data and revert to a future default.
    prefs.put(key, getCheckVal(clob));
    // Create a child node specifically for "clob storage" for this key
    Preferences p = getClobStorage(prefs, key);
    try {
        p.clear();
    } catch (BackingStoreException bse) {
    // it would be nice to clear all data underneath the clob storage
    // node since it might reduce our resource utilization.  But even
    // if this fails, the code below ought to cover our bases.
    }
    // Split the CLOB into smaller pieces, and put them under our clob
    // storage node with the numerically ascending keys.
    int num = 0;
    while (true) {
        int len = clob.length();
        int pieceLen = Math.min(len, Preferences.MAX_VALUE_LENGTH - 1);
        p.put(Integer.toString(num++), clob.substring(0, pieceLen));
        if (len == pieceLen)
            break;
        clob = clob.substring(pieceLen);
    }
    // Delete the key that immediately follows our numerically ascending
    // keys.  This way, if the clear() call above failed, we will still
    // be able to detect the end of the stored data.
    p.remove(Integer.toString(num));
}