Examples with ExtensionLanguageMapping org.apache.logging.log4j.core.util.ExtensionLanguageMapping used on opensource projects

Example 1 with ExtensionLanguageMapping

use of org.apache.logging.log4j.core.util.ExtensionLanguageMapping in project logging-log4j2 by apache.

the class ScriptFile method createScript.

@PluginFactory
public static ScriptFile createScript(// @formatter:off
@PluginAttribute("name") String name, @PluginAttribute("language") String language, @PluginAttribute("path") final String filePathOrUri, @PluginAttribute("isWatched") final Boolean isWatched, @PluginAttribute("charset") final Charset charset) {
    // @formatter:on
    if (filePathOrUri == null) {
        LOGGER.error("No script path provided for ScriptFile");
        return null;
    }
    if (name == null) {
        name = filePathOrUri;
    }
    final URI uri = NetUtils.toURI(filePathOrUri);
    final File file = FileUtils.fileFromUri(uri);
    if (language == null && file != null) {
        final String fileExtension = FileUtils.getFileExtension(file);
        if (fileExtension != null) {
            final ExtensionLanguageMapping mapping = ExtensionLanguageMapping.getByExtension(fileExtension);
            if (mapping != null) {
                language = mapping.getLanguage();
            }
        }
    }
    if (language == null) {
        LOGGER.info("No script language supplied, defaulting to {}", DEFAULT_LANGUAGE);
        language = DEFAULT_LANGUAGE;
    }
    final Charset actualCharset = charset == null ? Charset.defaultCharset() : charset;
    String scriptText;
    try (final Reader reader = new InputStreamReader(file != null ? new FileInputStream(file) : uri.toURL().openStream(), actualCharset)) {
        scriptText = IOUtils.toString(reader);
    } catch (final IOException e) {
        LOGGER.error("{}: language={}, path={}, actualCharset={}", e.getClass().getSimpleName(), language, filePathOrUri, actualCharset);
        return null;
    }
    final Path path = file != null ? Paths.get(file.toURI()) : Paths.get(uri);
    if (path == null) {
        LOGGER.error("Unable to convert {} to a Path", uri.toString());
        return null;
    }
    return new ScriptFile(name, path, language, isWatched == null ? Boolean.FALSE : isWatched, scriptText);
}