A small util class to store any data (single or list) and load it again

CachingUtil.java

public class CachingUtil {

	public <C> List<C> loadParsed(Class<C> type, String locale) {
		String name = getName(type);

		Path path = Paths.get(Config.getEntry("paths.cache") + "/" + name + "/", name + "." + locale + ".json");
		if (Files.exists(path) && !Files.isDirectory(path)) {
			try {
				return new ObjectMapper()
						.readValue(path.toFile(), new ObjectMapper().getTypeFactory().constructCollectionType(List.class, type));
			} catch (IOException e) {
				//nothing to do
			}
		}
		return null;
	}

	public <C> C loadParsed(Class<C> type, String id, String locale) {
		String name = getName(type);

		Path path = Paths.get(Config.getEntry("paths.cache") + "/" + name + "/", id + "." + locale + ".json");
		if (Files.exists(path) && !Files.isDirectory(path)) {
			try {
				return new ObjectMapper().readValue(path.toFile(), type);
			} catch (IOException e) {
				//nothing to do
			}
		}
		return null;
	}

	public <T> boolean storeParsed(List<T> types, String locale) throws CustomException {
		if (types == null || types.size() == 0) {
			return false;
		}
		try {
			String name = getName(types.get(0));
			Path userDir = Paths.get(Config.getEntry("paths.cache") + "/" + name + "/");
			if (!Files.exists(userDir)) {
				try {
					userDir.toFile().mkdirs();
				} catch (SecurityException e) {
					CustomException ce = new CustomException(getClass().getName(), e);
					ce.setCustomMessage("Couldn't store catalog throw security reasons - Security Manager is activ! ");
					throw ce;
				}
			}
			JacksonUtil.getJsonMapperInstance()
					.writeValue(new File(Config.getEntry("paths.cache") + "/" + name + "/" + name + "." + locale + ".json"), types);
		} catch (IOException e) {
			return false;
		}
		return true;
	}

	public <T> boolean storeParsed(T type, String id, String locale) throws CustomException {
		if (type == null) {
			return false;
		}
		try {
			String name = getName(type);
			Path userDir = Paths.get(Config.getEntry("paths.cache") + "/" + name + "/");
			if (!Files.exists(userDir)) {
				try {
					userDir.toFile().mkdirs();
				} catch (SecurityException e) {
					CustomException ce = new CustomException(getClass().getName(), e);
					ce.setCustomMessage("Couldn't store catalog throw security reasons - Security Manager is activ! ");
					throw ce;
				}
			}
			JacksonUtil.getJsonMapperInstance()
					.writeValue(new File(Config.getEntry("paths.cache") + "/" + name + "/" + id + "." + locale + ".json"), type);
		} catch (IOException e) {
			return false;
		}
		return true;
	}

	private <T> String getName(T type) {
		String name = type.getClass().getSimpleName().toLowerCase();
		if (!name.endsWith("s")) {
			name = name + "s";
		}
		return name;
	}

	private String getName(Class clazz) {
		String name = clazz.getSimpleName().toLowerCase();
		if (!name.endsWith("s")) {
			name = name + "s";
		}
		return name;
	}
}