From 07460a5988f2ec011ba08c46d7b9e3e185487d7b Mon Sep 17 00:00:00 2001 From: ulrich Date: Tue, 06 Apr 2021 12:36:30 +0000 Subject: [PATCH] Logging-Einstellungen --- src/de/uhilger/mediaz/store/FileStorage.java | 139 ++++++++++++++++++++++++++++++---------------- 1 files changed, 91 insertions(+), 48 deletions(-) diff --git a/src/de/uhilger/mediaz/store/FileStorage.java b/src/de/uhilger/mediaz/store/FileStorage.java index 1d6373a..524e4d2 100644 --- a/src/de/uhilger/mediaz/store/FileStorage.java +++ b/src/de/uhilger/mediaz/store/FileStorage.java @@ -1,11 +1,24 @@ /* - * To change this license header, choose License Headers in Project Properties. - * To change this template file, choose Tools | Templates - * and open the template in the editor. + Mediazentrale - Personal Media Center + Copyright (C) 2021 Ulrich Hilger + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as + published by the Free Software Foundation, either version 3 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see <https://www.gnu.org/licenses/>. */ package de.uhilger.mediaz.store; import com.google.gson.Gson; +import com.google.gson.reflect.TypeToken; import de.uhilger.mediaz.App; import de.uhilger.mediaz.Server; import de.uhilger.mediaz.entity.Ablageort; @@ -18,11 +31,13 @@ import java.util.logging.Logger; import de.uhilger.mediaz.entity.Entity; import java.util.ArrayList; +import java.util.HashMap; import java.util.List; +import java.util.Map; import java.util.logging.Level; /** - * Ablage fuer Dateien + * Ablage fuer Dateien der Mediazentrale * * [Basispfad]/[Typ]/[Name] * @@ -41,8 +56,15 @@ private String fileBase; + private Map<String, TypeToken> types; + public FileStorage(String base) { this.fileBase = base; + + // Beispiel: TypeToken<List<String>> list = new TypeToken<List<String>>() {}; + TypeToken<Ablageort> ttAblageort = new TypeToken<Ablageort>() {}; + types = new HashMap(); + types.put(Ablageort.class.getSimpleName(), ttAblageort); } /** @@ -56,65 +78,56 @@ * Der Name der Ablage muss eindeutig sein * * - * @param o + * @param entity */ - public File writeToFile(Entity o) throws IOException { - Gson gson = new Gson(); - String className = o.getClass().getSimpleName(); + public File writeToFile(Entity entity, boolean overwrite) throws IOException { + String className = entity.getClass().getSimpleName(); logger.finer(className); File dir = new File(fileBase, className); dir.mkdirs(); - File file = new File(dir, o.getName()); - if(file.exists()) { - file.delete(); + File file = new File(dir, entity.getName()); + //if(file.exists()) { + // file.delete(); + //} + if(file.exists() && !overwrite) { + return null; + } else { + FileWriter fw = new FileWriter(file); + Gson gson = new Gson(); + fw.write(gson.toJson(entity)); + fw.flush(); + fw.close(); + return file; } - FileWriter fw = new FileWriter(file); - fw.write(gson.toJson(o)); - fw.flush(); - fw.close(); - return file; } - public Entity readFromFile(File file) throws ClassNotFoundException, FileNotFoundException, IOException { - String type = typeFromName(file); + public String readFromFile(File file) throws IOException { StringBuilder sb = new StringBuilder(); - FileReader in = new FileReader(file); - BufferedReader r = new BufferedReader(in); + BufferedReader r = new BufferedReader(new FileReader(file)); String line = r.readLine(); while(line != null) { sb.append(line); line = r.readLine(); } r.close(); - in.close(); - String json = sb.toString(); - Gson gson = new Gson(); - switch(type) { - case ST_ABLAGEORT: - return gson.fromJson(json, Ablageort.class); - default: - Ablageort ablage = new Ablageort(); - ablage.setName("Test"); - return ablage; - } + return sb.toString(); } - private String typeFromName(File file) { - //String path = file.getPath(); - //logger.info(path); + public Entity entityFromFile(File file) throws ClassNotFoundException, FileNotFoundException, IOException { + String json = readFromFile(file); + Gson gson = new Gson(); + return gson.fromJson(json, typeFromName(typeNameFromPath(file)).getType()); + } + + private String typeNameFromPath(File file) { String[] parts = file.getPath().split(App.getRs(Server.RB_SLASH)); - //for(String part : parts) { - //logger.info(part); - //} - //logger.info("" + parts.length); - logger.info(parts[parts.length-2]); return parts[parts.length-2]; } @Override - public Object write(Entity e) { + public Object write(Entity e, boolean overwrite) { try { - return writeToFile(e); + return writeToFile(e, overwrite); } catch (IOException ex) { logger.log(Level.SEVERE, null, ex); return null; @@ -123,11 +136,8 @@ @Override public Entity read(String typ, String name) { - File base = new File(fileBase); - File dir = new File(base, typ); - File file = new File(dir, name); try { - return readFromFile(file); + return entityFromFile(getFile(typ, name)); } catch (ClassNotFoundException | IOException ex) { logger.log(Level.SEVERE, null, ex); return null; @@ -138,14 +148,47 @@ public List<String> list(String typ) { File base = new File(fileBase); File dir = new File(base, typ); - File[] files = dir.listFiles(); List<String> list = new ArrayList(); - for(File file : files) { - list.add(file.getName()); + File[] files = dir.listFiles(); + if(files != null) { + for(File file : files) { + //NamedItem n = new NamedItem(); + //n.setLabel(file.getName()); + list.add(file.getName()); + } } return list; } + @Override + public TypeToken typeFromName(String name) { + return types.get(name); + } + + @Override + public String readJson(String typ, String name) { + try { + return readFromFile(getFile(typ, name)); + } catch (IOException ex) { + logger.log(Level.SEVERE, null, ex); + return null; + } + } + private File getFile(String typ, String name) { + File base = new File(fileBase); + File dir = new File(base, typ); + return new File(dir, name); + } + + @Override + public boolean delete(String typ, String name) { + File file = getFile(typ, name); + if(file.exists()) { + return file.delete(); + } else { + return false; + } + } } -- Gitblit v1.9.3