DefaultPreferencesHandler.java
- /*
- * *********************************************************************************************************************
- *
- * TheseFoolishThings: Miscellaneous utilities
- * http://tidalwave.it/projects/thesefoolishthings
- *
- * Copyright (C) 2009 - 2023 by Tidalwave s.a.s. (http://tidalwave.it)
- *
- * *********************************************************************************************************************
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
- * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- *
- * *********************************************************************************************************************
- *
- * git clone https://bitbucket.org/tidalwave/thesefoolishthings-src
- * git clone https://github.com/tidalwave-it/thesefoolishthings-src
- *
- * *********************************************************************************************************************
- */
- package it.tidalwave.util.impl;
- import javax.annotation.Nonnull;
- import java.util.HashMap;
- import java.util.Map;
- import java.util.Objects;
- import java.util.Optional;
- import java.io.IOException;
- import java.nio.file.Files;
- import java.nio.file.Path;
- import java.nio.file.Paths;
- import it.tidalwave.util.Key;
- import it.tidalwave.util.PreferencesHandler;
- import lombok.Getter;
- import lombok.RequiredArgsConstructor;
- /***********************************************************************************************************************
- *
- * @author Fabrizio Giudici
- *
- **********************************************************************************************************************/
- @RequiredArgsConstructor
- // PreferencesHandler can be used to programmatically set the log folder, so don't inject logger
- public class DefaultPreferencesHandler implements PreferencesHandler
- {
- @Getter
- private final Path appFolder;
- @Getter
- private final Path logFolder;
- private final Map<Key<?>, Object> properties = new HashMap<>();
- public DefaultPreferencesHandler()
- {
- try
- {
- final var appName = System.getProperty(PROP_APP_NAME);
- Objects.requireNonNull(appName, "You must call PreferencesHandler.setAppName(\"...\") before getting here");
- final var osName = System.getProperty("os.name").toLowerCase();
- var pattern = "";
- switch (osName)
- {
- case "linux":
- pattern = "%s/.%s/";
- break;
- case "mac os x":
- pattern = "%s/Library/Application Support/%s/";
- break;
- case "windows":
- pattern = "%s/AppData/Local/%s/";
- break;
- default:
- throw new ExceptionInInitializerError("Unknown o.s.: " + osName);
- }
- final var home = System.getProperty("user.home", "/tmp");
- appFolder = Paths.get(String.format(pattern, home, appName)).toAbsolutePath();
- logFolder = appFolder.resolve("logs").toAbsolutePath();
- Files.createDirectories(logFolder);
- // PreferencesHandler can be used to programmatically set the log folder, so don't log yet
- System.out.printf("App folder: %s\n", appFolder);
- System.out.printf("Logging folder: %s\n", logFolder);
- }
- catch (IOException e)
- {
- throw new RuntimeException(e);
- }
- }
- @Override @Nonnull
- public <T> Optional<T> getProperty (@Nonnull final Key<T> name)
- {
- return Optional.ofNullable((T)properties.get(name));
- }
- @Override
- public <T> void setProperty (@Nonnull final Key<T> name, @Nonnull final T value)
- {
- properties.put(name, value);
- // FIXME: should be made persistent (JSON?)
- }
- @Override
- public <T> void setDefaultProperty (@Nonnull final Key<T> name, @Nonnull final T value)
- {
- if (!properties.containsKey(name))
- {
- setProperty(name, value);
- }
- }
- }