119 lines
4.5 KiB
Java
119 lines
4.5 KiB
Java
package de.marhali.easyi18n;
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import com.intellij.openapi.project.Project;
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import com.intellij.openapi.util.Disposer;
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import com.intellij.openapi.vfs.*;
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import de.marhali.easyi18n.io.IOStrategy;
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import de.marhali.easyi18n.io.json.JsonIOStrategy;
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import de.marhali.easyi18n.io.json.ModularizedJsonIOStrategy;
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import de.marhali.easyi18n.io.properties.PropertiesIOStrategy;
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import de.marhali.easyi18n.io.yaml.YamlIOStrategy;
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import de.marhali.easyi18n.model.SettingsState;
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import de.marhali.easyi18n.model.TranslationData;
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import de.marhali.easyi18n.service.FileChangeListener;
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import de.marhali.easyi18n.service.SettingsService;
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import org.jetbrains.annotations.NotNull;
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import java.util.Arrays;
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import java.util.LinkedHashSet;
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import java.util.Set;
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import java.util.function.Consumer;
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/**
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* Responsible for loading, saving and updating translation files.
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* Provides access to the cached translation data which is used in the whole project.
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* @author marhali
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*/
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public class DataStore {
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private static final Set<IOStrategy> STRATEGIES = new LinkedHashSet<>(Arrays.asList(
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new JsonIOStrategy("json"), new ModularizedJsonIOStrategy("json"),
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new JsonIOStrategy("arb"), new ModularizedJsonIOStrategy("arb"),
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new YamlIOStrategy("yaml"), new YamlIOStrategy("yml"),
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new PropertiesIOStrategy()
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));
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private final @NotNull Project project;
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private final @NotNull FileChangeListener changeListener;
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private @NotNull TranslationData data;
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protected DataStore(@NotNull Project project) {
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this.project = project;
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this.data = new TranslationData(true, true); // Initialize with hard-coded configuration
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this.changeListener = new FileChangeListener(project);
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VirtualFileManager.getInstance().addAsyncFileListener(
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this.changeListener, Disposer.newDisposable("EasyI18n"));
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}
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public @NotNull TranslationData getData() {
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return data;
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}
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/**
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* Loads the translation data into cache and overwrites any previous cached data.
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* If the configuration does not fit an empty translation instance will be populated.
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* @param successResult Consumer will inform if operation was successful
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*/
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public void loadFromPersistenceLayer(@NotNull Consumer<Boolean> successResult) {
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SettingsState state = SettingsService.getInstance(this.project).getState();
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String localesPath = state.getLocalesPath();
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if(localesPath == null || localesPath.isEmpty()) { // Populate empty instance
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this.data = new TranslationData(state.isSortKeys(), state.isNestedKeys());
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return;
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}
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this.changeListener.updateLocalesPath(localesPath);
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IOStrategy strategy = this.determineStrategy(state, localesPath);
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strategy.read(this.project, localesPath, state, (data) -> {
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this.data = data == null
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? new TranslationData(state.isSortKeys(), state.isNestedKeys())
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: data;
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successResult.accept(data != null);
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});
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}
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/**
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* Saves the cached translation data to the underlying io system.
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* @param successResult Consumer will inform if operation was successful
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*/
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public void saveToPersistenceLayer(@NotNull Consumer<Boolean> successResult) {
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SettingsState state = SettingsService.getInstance(this.project).getState();
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String localesPath = state.getLocalesPath();
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if(localesPath == null || localesPath.isEmpty()) { // Cannot save without valid path
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successResult.accept(false);
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return;
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}
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IOStrategy strategy = this.determineStrategy(state, localesPath);
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strategy.write(this.project, localesPath, state, this.data, successResult);
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}
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/**
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* Chooses the right strategy for the opened project. An exception might be thrown on
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* runtime if the project configuration (e.g. locale files does not fit in any strategy).
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* @param state Plugin configuration
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* @param localesPath Locales directory
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* @return matching {@link IOStrategy}
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*/
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public @NotNull IOStrategy determineStrategy(@NotNull SettingsState state, @NotNull String localesPath) {
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for(IOStrategy strategy : STRATEGIES) {
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if(strategy.canUse(this.project, localesPath, state)) {
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return strategy;
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}
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}
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throw new IllegalArgumentException("Could not determine i18n strategy. " +
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"At least one locale file must be defined. " +
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"For examples please visit https://github.com/marhali/easy-i18n");
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}
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} |