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125 lines
4.9 KiB
Java
125 lines
4.9 KiB
Java
package com.fox2code.mmm.repo;
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import android.content.SharedPreferences;
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import com.fox2code.mmm.manager.ModuleInfo;
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import com.fox2code.mmm.utils.Files;
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import com.fox2code.mmm.utils.PropUtils;
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import org.json.JSONArray;
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import org.json.JSONException;
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import org.json.JSONObject;
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import java.io.File;
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import java.nio.charset.StandardCharsets;
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import java.util.ArrayList;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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public class RepoData {
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private final Object populateLock = new Object();
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public final String url;
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public final File cacheRoot;
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public final SharedPreferences cachedPreferences;
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public final File metaDataCache;
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public final HashMap<String, RepoModule> moduleHashMap;
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public long lastUpdate;
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public String name;
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RepoData(String url, File cacheRoot, SharedPreferences cachedPreferences) {
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this.url = url;
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this.cacheRoot = cacheRoot;
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this.cachedPreferences = cachedPreferences;
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this.metaDataCache = new File(cacheRoot, "modules.json");
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this.moduleHashMap = new HashMap<>();
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this.name = this.url; // Set url as default name
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if (!this.cacheRoot.isDirectory()) {
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this.cacheRoot.mkdirs();
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} else if (this.metaDataCache.exists()) {
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try {
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List<RepoModule> modules = this.populate(new JSONObject(
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new String(Files.read(this.metaDataCache), StandardCharsets.UTF_8)));
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for (RepoModule repoModule: modules) {
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if (!this.tryLoadMetadata(repoModule)) {
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repoModule.moduleInfo.flags &=~ ModuleInfo.FLAG_METADATA_INVALID;
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}
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}
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} catch (Exception e) {
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this.metaDataCache.delete();
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}
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}
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}
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List<RepoModule> populate(JSONObject jsonObject) throws JSONException {
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List<RepoModule> newModules = new ArrayList<>();
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synchronized (this.populateLock) {
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String name = jsonObject.getString("name");
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long lastUpdate = jsonObject.getLong("last_update");
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for (RepoModule repoModule : this.moduleHashMap.values()) {
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repoModule.processed = false;
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}
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JSONArray array = jsonObject.getJSONArray("modules");
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int len = array.length();
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for (int i = 0; i < len; i++) {
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JSONObject module = array.getJSONObject(i);
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String moduleId = module.getString("id");
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long moduleLastUpdate = module.getLong("last_update");
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String moduleNotesUrl = module.getString("notes_url");
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String modulePropsUrl = module.getString("prop_url");
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String moduleZipUrl = module.getString("zip_url");
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RepoModule repoModule = this.moduleHashMap.get(moduleId);
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if (repoModule == null) {
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repoModule = new RepoModule(moduleId);
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this.moduleHashMap.put(moduleId, repoModule);
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newModules.add(repoModule);
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} else {
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if (repoModule.lastUpdated < moduleLastUpdate ||
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repoModule.moduleInfo.hasFlag(ModuleInfo.FLAG_METADATA_INVALID)) {
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newModules.add(repoModule);
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}
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}
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repoModule.processed = true;
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repoModule.lastUpdated = moduleLastUpdate;
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repoModule.notesUrl = moduleNotesUrl;
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repoModule.propUrl = modulePropsUrl;
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repoModule.zipUrl = moduleZipUrl;
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}
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// Remove no longer existing modules
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Iterator<RepoModule> moduleInfoIterator = this.moduleHashMap.values().iterator();
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while (moduleInfoIterator.hasNext()) {
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RepoModule repoModule = moduleInfoIterator.next();
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if (!repoModule.processed) {
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new File(this.cacheRoot, repoModule.id + ".prop").delete();
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moduleInfoIterator.remove();
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}
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}
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// Update final metadata
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this.name = name;
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this.lastUpdate = lastUpdate;
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}
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return newModules;
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}
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public boolean tryLoadMetadata(RepoModule repoModule) {
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File file = new File(this.cacheRoot, repoModule.id + ".prop");
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if (file.exists()) {
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try {
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PropUtils.readProperties(repoModule.moduleInfo, file.getAbsolutePath());
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repoModule.moduleInfo.flags &= ~ModuleInfo.FLAG_METADATA_INVALID;
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return true;
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} catch (Exception ignored) {
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file.delete();
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}
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}
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repoModule.moduleInfo.flags |= ModuleInfo.FLAG_METADATA_INVALID;
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return false;
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}
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public String getNameOrFallback(String fallback) {
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return this.name == null ||
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this.name.equals(this.url) ?
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fallback : this.name;
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}
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}
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