Java 类org.apache.logging.log4j.core.lookup.MapLookup 实例源码

protected SimpleJSONLayout(final Configuration config, final boolean locationInfo,
        final boolean properties, final boolean complete, final boolean eventEol,
        final String headerPattern, final String footerPattern, final Charset charset,
        final KeyValuePair[] additionalFields) {
    super(config, charset, //
            PatternLayout.newSerializerBuilder() //
                    .setConfiguration(config).setReplace(null).setPattern(headerPattern) //
                    .setDefaultPattern(DEFAULT_HEADER) //
                    .setPatternSelector(null).setAlwaysWriteExceptions(false).setNoConsoleNoAnsi(false) //
                    .build(), //
            PatternLayout.newSerializerBuilder() //
                    .setConfiguration(config).setReplace(null).setPattern(footerPattern) //
                    .setDefaultPattern(DEFAULT_FOOTER) //
                    .setPatternSelector(null).setAlwaysWriteExceptions(false).setNoConsoleNoAnsi(false) //
                    .build());
    this.locationInfo = locationInfo;
    this.properties = properties;
    this.complete = complete;
    this.additionalFields = additionalFields;
    this.layoutStartTime = System.currentTimeMillis();
    this.layoutSequence = new AtomicLong();
    this.interpolator = new Interpolator(new MapLookup(getConfiguration().getProperties()),
            getConfiguration().getPluginPackages());
    this.eol = !eventEol ? COMPACT_EOL : DEFAULT_EOL;
}

/**
 * Create the Properties component.
 * @param properties An array of Property elements.
 * @param config The Configuration.
 * @return An Interpolator that includes the configuration properties.
 */
@PluginFactory
public static StrLookup configureSubstitutor(@PluginElement("Properties") final Property[] properties,
                                             @PluginConfiguration final Configuration config) {
    if (properties == null) {
        return new Interpolator(null);
    }
    final Map<String, String> map = new HashMap<String, String>(config.getProperties());

    for (final Property prop : properties) {
        map.put(prop.getName(), prop.getValue());
    }

    return new Interpolator(new MapLookup(map));
}

/**
 * Creates the Properties component.
 * @param properties An array of Property elements.
 * @param config The Configuration.
 * @return An Interpolator that includes the configuration properties.
 */
@PluginFactory
public static StrLookup configureSubstitutor(@PluginElement("Properties") final Property[] properties,
                                             @PluginConfiguration final Configuration config) {
    if (properties == null) {
        return new Interpolator(config.getProperties());
    }
    final Map<String, String> map = new HashMap<>(config.getProperties());

    for (final Property prop : properties) {
        map.put(prop.getName(), prop.getValue());
    }

    return new Interpolator(new MapLookup(map), config.getPluginPackages());
}