forked from virt-mirrors/Sit
101 lines
2.9 KiB
Java
101 lines
2.9 KiB
Java
package one.oth3r.sit.file;
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import net.fabricmc.loader.api.FabricLoader;
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import one.oth3r.sit.utl.Data;
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import one.oth3r.sit.utl.Utl;
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import org.jetbrains.annotations.NotNull;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Paths;
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public interface CustomFile <T extends CustomFile<T>> {
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void reset();
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/**
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* saves the current instance to file
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*/
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default void save() {
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if (!getFile().exists()) {
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Data.LOGGER.info(String.format("Creating new `%s`", getFile().getName()));
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}
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try (BufferedWriter writer = Files.newBufferedWriter(getFile().toPath(), StandardCharsets.UTF_8)) {
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writer.write(Utl.getGson().toJson(this));
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} catch (Exception e) {
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Data.LOGGER.error(String.format("ERROR SAVING '%s`: %s", getFile().getName(), e.getMessage()));
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}
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}
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/**
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* loads the file to the current instance using updateFromReader()
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*/
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default void load() {
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File file = getFile();
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if (!file.exists()) fileNotExist();
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// try reading the file
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try (BufferedReader reader = Files.newBufferedReader(file.toPath(), StandardCharsets.UTF_8)) {
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updateFromReader(reader);
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} catch (Exception e) {
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Data.LOGGER.error(String.format("ERROR LOADING '%s`: %s", file.getName(),e.getMessage()));
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}
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}
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default void updateFromReader(BufferedReader reader) {
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// try to read the json
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T file;
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try {
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file = Utl.getGson().fromJson(reader, getFileClass());
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} catch (Exception e) {
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throw new NullPointerException();
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}
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// throw null if the fileData is null or version is null
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if (file == null) throw new NullPointerException();
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// update the instance
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file.update();
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// load the file to the current object
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loadFileData(file);
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}
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@NotNull
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Class<T> getFileClass();
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/**
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* loads the data from the file object into the current object
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* @param newFile the file to take the properties from
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*/
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void loadFileData(T newFile);
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/**
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* updates the file based on the version number of the current instance
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*/
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void update();
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/**
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* logic for the file not existing when loading, defaults to saving
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*/
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default void fileNotExist() {
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// try to make the config directory
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try {
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Files.createDirectories(Paths.get(getDirectory()));
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} catch (Exception e) {
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Data.LOGGER.error("Failed to create config directory. Canceling all config loading...");
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return;
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}
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save();
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}
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String getFileName();
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default String getDirectory() {
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return FabricLoader.getInstance().getConfigDir().toFile()+"/";
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}
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default File getFile() {
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return new File(getDirectory()+getFileName());
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}
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}
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