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

Example 66 with JsonException

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

the class JsonUtil method getMetadata.

/**
     *
     * @param locale The client's Locale.
     * @param name   The metadata element to get.
     * @return JSON metadata element.
     * @throws JsonException if name is not a recognized metadata element.
     * @deprecated since 4.5.2
     */
@Deprecated
public static JsonNode getMetadata(Locale locale, String name) throws JsonException {
    String metadata = Metadata.getBySystemName(name);
    ObjectNode root;
    if (metadata != null) {
        root = mapper.createObjectNode();
        root.put(TYPE, METADATA);
        ObjectNode data = root.putObject(DATA);
        data.put(NAME, name);
        data.put(VALUE, Metadata.getBySystemName(name));
    } else {
        log.error("Unable to get metadata [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", METADATA, name));
    }
    return root;
}

Example 67 with JsonException

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

the class JsonUtil method getLight.

/*
     * deprecated in favor of the implementations of the {@code do*} methods in
     * {@link jmri.server.json.JsonHttpService}.
     * @deprecated since 4.5.1
     */
@Deprecated
public static JsonNode getLight(Locale locale, String name) throws JsonException {
    try {
        ObjectNode root = mapper.createObjectNode();
        root.put(TYPE, LIGHT);
        ObjectNode data = root.putObject(DATA);
        Light light = InstanceManager.lightManagerInstance().getLight(name);
        data.put(NAME, light.getSystemName());
        data.put(USERNAME, light.getUserName());
        data.put(COMMENT, light.getComment());
        switch(light.getState()) {
            case Light.OFF:
                data.put(STATE, OFF);
                break;
            case Light.ON:
                data.put(STATE, ON);
                break;
            default:
                data.put(STATE, UNKNOWN);
                break;
        }
        return root;
    } catch (NullPointerException e) {
        log.error("Unable to get light [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", LIGHT, name));
    }
}

Example 68 with JsonException

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

the class JsonUtil method getMemory.

/*
     * deprecated in favor of the implementations of the {@code do*} methods in
     * {@link jmri.server.json.JsonHttpService}.
     * @deprecated since 4.5.1
     */
@Deprecated
public static JsonNode getMemory(Locale locale, String name) throws JsonException {
    ObjectNode root = mapper.createObjectNode();
    root.put(TYPE, MEMORY);
    ObjectNode data = root.putObject(DATA);
    Memory memory = InstanceManager.memoryManagerInstance().getMemory(name);
    try {
        data.put(NAME, memory.getSystemName());
        data.put(USERNAME, memory.getUserName());
        data.put(COMMENT, memory.getComment());
        if (memory.getValue() == null) {
            data.putNull(VALUE);
        } else {
            data.put(VALUE, memory.getValue().toString());
        }
    } catch (NullPointerException e) {
        log.error("Unable to get memory [{}].", name);
        throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", MEMORY, name));
    }
    return root;
}

Example 69 with JsonException

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

the class JsonSignalMastServer method parseRequest.

public void parseRequest(Locale locale, JsonNode data) throws JmriException, IOException, JsonException {
    String name = data.path(NAME).asText();
    String state = data.path(STATE).asText();
    if ("".equals(state)) {
        //if not passed, retrieve current and respond
        SignalMast sm = InstanceManager.getDefault(jmri.SignalMastManager.class).getSignalMast(name);
        try {
            state = sm.getAspect();
            if (state == null) {
                //if null, set state to "Unknown"   
                state = ASPECT_UNKNOWN;
            }
            if ((sm.getHeld()) && (sm.getAppearanceMap().getSpecificAppearance(jmri.SignalAppearanceMap.HELD) != null)) {
                state = ASPECT_HELD;
            } else if ((!sm.getLit()) && (sm.getAppearanceMap().getSpecificAppearance(jmri.SignalAppearanceMap.DARK) != null)) {
                state = ASPECT_DARK;
            }
            this.sendStatus(name, state);
        } catch (IOException ex) {
            this.sendErrorStatus(name);
        } catch (NullPointerException e) {
            log.error("Unable to get signalMast [{}].", name);
            throw new JsonException(404, Bundle.getMessage(locale, "ErrorObject", SIGNAL_MAST, name));
        }
    } else {
        //else set the aspect to the state passed in
        this.setSignalMastAspect(name, state);
    }
    this.addSignalMastToList(name);
}

Example 70 with JsonException

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

the class JsonThrottle method getThrottle.

/**
     * Creates a new JsonThrottle or returns an existing one if the request is
     * for an existing throttle.
     *
     * data can contain either a string {@link jmri.server.json.JSON#ID} node
     * containing the ID of a {@link jmri.jmrit.roster.RosterEntry} or an
     * integer {@link jmri.server.json.JSON#ADDRESS} node. If data contains an
     * ADDRESS, the ID node is ignored. The ADDRESS may be accompanied by a
     * boolean {@link jmri.server.json.JSON#IS_LONG_ADDRESS} node specifying the
     * type of address, if IS_LONG_ADDRESS is not specified, the inverse of {@link jmri.ThrottleManager#canBeShortAddress(int)
     * } is used as the "best guess" of the address length.
     *
     * @param throttleId The client's identity token for this throttle
     * @param data       JSON object containing either an ADDRESS or an ID
     * @param server     The server requesting this throttle on behalf of a
     *                   client
     * @return The throttle
     * @throws jmri.server.json.JsonException if unable to get the requested
     *                                        {@link jmri.Throttle} 
     */
public static JsonThrottle getThrottle(String throttleId, JsonNode data, JsonThrottleSocketService server) throws JsonException {
    DccLocoAddress address = null;
    Locale locale = server.getConnection().getLocale();
    JsonThrottleManager manager = JsonThrottleManager.getDefault();
    if (!data.path(ADDRESS).isMissingNode()) {
        if (manager.canBeLongAddress(data.path(ADDRESS).asInt()) || manager.canBeShortAddress(data.path(ADDRESS).asInt())) {
            address = new DccLocoAddress(data.path(ADDRESS).asInt(), data.path(IS_LONG_ADDRESS).asBoolean(!manager.canBeShortAddress(data.path(ADDRESS).asInt())));
        } else {
            log.warn("Address \"{}\" is not a valid address.", data.path(ADDRESS).asInt());
            // NOI18N
            throw new JsonException(HttpServletResponse.SC_BAD_REQUEST, Bundle.getMessage(locale, "ErrorThrottleInvalidAddress", data.path(ADDRESS).asInt()));
        }
    } else if (!data.path(ID).isMissingNode()) {
        try {
            address = Roster.getDefault().getEntryForId(data.path(ID).asText()).getDccLocoAddress();
        } catch (NullPointerException ex) {
            log.warn("Roster entry \"{}\" does not exist.", data.path(ID).asText());
            // NOI18N
            throw new JsonException(HttpServletResponse.SC_NOT_FOUND, Bundle.getMessage(locale, "ErrorThrottleRosterEntry", data.path(ID).asText()));
        }
    } else {
        log.warn("No address specified");
        // NOI18N
        throw new JsonException(HttpServletResponse.SC_BAD_REQUEST, Bundle.getMessage(locale, "ErrorThrottleNoAddress"));
    }
    if (manager.containsKey(address)) {
        JsonThrottle throttle = manager.get(address);
        manager.put(throttle, server);
        throttle.sendMessage(server.getConnection().getObjectMapper().createObjectNode().put(CLIENTS, manager.getServers(throttle).size()));
        return throttle;
    } else {
        JsonThrottle throttle = new JsonThrottle(address, server);
        if (!manager.requestThrottle(address, throttle)) {
            log.error("Unable to get throttle for \"{}\".", address);
            throw new JsonException(HttpServletResponse.SC_INTERNAL_SERVER_ERROR, Bundle.getMessage(server.getConnection().getLocale(), "ErrorThrottleUnableToGetThrottle", address));
        }
        manager.put(address, throttle);
        manager.put(throttle, server);
        manager.attachListener(address, throttle);
        return throttle;
    }
}