Examples with JsonException jmri.server.json.JsonException used on opensource projects

Example 6 with JsonException

use of jmri.server.json.JsonException in project JMRI by JMRI.

the class JsonUtil method setSignalHead.

public static void setSignalHead(Locale locale, String name, JsonNode data) throws JsonException {
    try {
        SignalHead signalHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(name);
        if (data.path(USERNAME).isTextual()) {
            signalHead.setUserName(data.path(USERNAME).asText());
        }
        if (data.path(COMMENT).isTextual()) {
            signalHead.setComment(data.path(COMMENT).asText());
        }
        int state = data.path(STATE).asInt(UNKNOWN);
        boolean isValid = false;
        for (int validState : signalHead.getValidStates()) {
            if (state == validState) {
                isValid = true;
                break;
            }
        }
        if (isValid && state != INCONSISTENT && state != UNKNOWN) {
            // TODO: completely insulate JSON state from SignalHead state
            signalHead.setAppearance(state);
        } else {
            throw new JsonException(400, Bundle.getMessage(locale, "ErrorUnknownState", SIGNAL_HEAD, state));
        }
    } catch (NullPointerException e) {
        log.error("Unable to get signal head [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", SIGNAL_HEAD, name));
    }
}

Example 7 with JsonException

use of jmri.server.json.JsonException in project JMRI by JMRI.

the class JsonUtil method setRoute.

/**
     * Routes can be set by passing a JsonNode with the node <em>state</em>
     * equal to <em>8</em> (the aspect of {@link jmri.Route#TOGGLE}).
     *
     * @param locale The locale to throw exceptions in
     * @param name   The name of the route
     * @param data   A JsonNode containing route attributes to set
     * @throws jmri.server.json.JsonException if the named route does not exist
     *                                        or the state is invalid
     * @see jmri.Route#TOGGLE
     */
@Deprecated
public static void setRoute(Locale locale, String name, JsonNode data) throws JsonException {
    try {
        Route route = InstanceManager.getDefault(jmri.RouteManager.class).getRoute(name);
        if (data.path(USERNAME).isTextual()) {
            route.setUserName(data.path(USERNAME).asText());
        }
        if (data.path(COMMENT).isTextual()) {
            route.setComment(data.path(COMMENT).asText());
        }
        int state = data.path(STATE).asInt(UNKNOWN);
        switch(state) {
            case ACTIVE:
            case TOGGLE:
                route.setRoute();
                break;
            case INACTIVE:
            case UNKNOWN:
                // silently ignore
                break;
            default:
                throw new JsonException(400, Bundle.getMessage(locale, "ErrorUnknownState", ROUTE, state));
        }
    } catch (NullPointerException ex) {
        log.error("Unable to get route [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", ROUTE, name));
    }
}

Example 8 with JsonException

use of jmri.server.json.JsonException in project JMRI by JMRI.

the class JsonUtil method getSignalHead.

public static JsonNode getSignalHead(Locale locale, String name) throws JsonException {
    ObjectNode root = mapper.createObjectNode();
    root.put(TYPE, SIGNAL_HEAD);
    ObjectNode data = root.putObject(DATA);
    SignalHead signalHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(name);
    try {
        data.put(NAME, name);
        data.put(USERNAME, signalHead.getUserName());
        data.put(COMMENT, signalHead.getComment());
        data.put(LIT, signalHead.getLit());
        data.put(APPEARANCE, signalHead.getAppearance());
        data.put(TOKEN_HELD, signalHead.getHeld());
        //state is appearance, plus a flag for held status
        if (signalHead.getHeld()) {
            data.put(STATE, SignalHead.HELD);
        } else {
            data.put(STATE, signalHead.getAppearance());
        }
        data.put(APPEARANCE_NAME, signalHead.getAppearanceName());
    } catch (NullPointerException e) {
        log.error("Unable to get signalHead [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", SIGNAL_HEAD, name));
    }
    return root;
}

Example 9 with JsonException

use of jmri.server.json.JsonException in project JMRI by JMRI.

the class JsonUtil method getPower.

@Deprecated
public static JsonNode getPower(Locale locale) throws JsonException {
    ObjectNode root = mapper.createObjectNode();
    root.put(TYPE, POWER);
    ObjectNode data = root.putObject(DATA);
    try {
        switch(InstanceManager.getDefault(jmri.PowerManager.class).getPower()) {
            case PowerManager.OFF:
                data.put(STATE, OFF);
                break;
            case PowerManager.ON:
                data.put(STATE, ON);
                break;
            default:
                data.put(STATE, UNKNOWN);
                break;
        }
    } catch (JmriException e) {
        log.error("Unable to get Power state.", e);
        throw new JsonException(500, Bundle.getMessage(locale, "ErrorPower"));
    } catch (NullPointerException e) {
        // No PowerManager is defined; just report it as UNKNOWN
        data.put(STATE, UNKNOWN);
    }
    return root;
}

Example 10 with JsonException

use of jmri.server.json.JsonException in project JMRI by JMRI.

the class JsonUtil method putConsist.

/**
     * Add a consist.
     *
     * Adds a consist, populating it with information from data.
     *
     * @param locale  The locale to throw exceptions in.
     * @param address The address of the new consist.
     * @param data    The JSON representation of the consist. See
     * {@link #getConsist(Locale, jmri.DccLocoAddress) } for the
     *                JSON structure.
     * @throws jmri.server.json.JsonException if no consist manager is available
     */
public static void putConsist(Locale locale, DccLocoAddress address, JsonNode data) throws JsonException {
    try {
        if (!InstanceManager.getDefault(jmri.ConsistManager.class).getConsistList().contains(address)) {
            InstanceManager.getDefault(jmri.ConsistManager.class).getConsist(address);
            setConsist(locale, address, data);
        }
    } catch (NullPointerException ex) {
        // NOI18N
        throw new JsonException(503, Bundle.getMessage(locale, "ErrorNoConsistManager"));
    }
}