org.opentripplanner.api.common.Message Maven / Gradle / Ivy

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package org.opentripplanner.api.common;

import org.opentripplanner.util.Properties;

import java.util.Locale;

/**
 * The purpose of Messages is to read supply Message.properties to underlying calling code...
 * The ENUM's enumerated values should be named to reflect the property names inside of Message.properties 
 */
public enum Message {
    // id field is loosely based on HTTP error codes http://en.wikipedia.org/wiki/List_of_HTTP_status_codes
    PLAN_OK(200),
    SYSTEM_ERROR(500),
    GRAPH_UNAVAILABLE(503),

    OUTSIDE_BOUNDS(400),
    PATH_NOT_FOUND(404),
    NO_TRANSIT_TIMES(406),
    REQUEST_TIMEOUT(408),
    BOGUS_PARAMETER(413),
    GEOCODE_FROM_NOT_FOUND(440),
    GEOCODE_TO_NOT_FOUND(450),
    GEOCODE_FROM_TO_NOT_FOUND(460),
    TOO_CLOSE(409),
    LOCATION_NOT_ACCESSIBLE(470),

    GEOCODE_FROM_AMBIGUOUS(340),
    GEOCODE_TO_AMBIGUOUS(350),
    GEOCODE_FROM_TO_AMBIGUOUS(360), 
    
    UNDERSPECIFIED_TRIANGLE(370),
    TRIANGLE_NOT_AFFINE(371),
    TRIANGLE_OPTIMIZE_TYPE_NOT_SET(372),
    TRIANGLE_VALUES_NOT_SET(373),
    ;

    private Properties config = getConfig();
    private final int m_id;

    /** enum constructors are private -- see values above */
    private Message(int id) {
        m_id = id;
    }

    public int getId() {
        return m_id;
    }

    /** simple checker / getter of the config */
    public Properties getConfig() {
        if(config == null)
            config = new Properties(Message.class);
        return config;
    }

    public String get(String def, Locale l) {
        try {
            getConfig();
            return config.get(name(), l);
        }
        catch(Exception e) {
            Properties.LOG.warn("No entry in Message.properties file could be found for string " + name());
        }
        return def;
    }
    public String get(Locale l) {
        return get("", l);
    }
    public String get() {
        return get("", Locale.getDefault());
    }
}