| // Copyright (C) 2016 The Android Open Source Project |
| // |
| // 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. |
| |
| package com.googlesource.gerrit.plugins.messageoftheday; |
| |
| import static java.nio.charset.StandardCharsets.UTF_8; |
| |
| import com.google.common.base.MoreObjects; |
| import com.google.common.base.Strings; |
| import com.google.gerrit.extensions.annotations.PluginData; |
| import com.google.gerrit.extensions.annotations.PluginName; |
| import com.google.gerrit.extensions.systemstatus.MessageOfTheDay; |
| import com.google.gerrit.server.config.PluginConfigFactory; |
| import com.google.inject.Inject; |
| import com.google.inject.Singleton; |
| import java.io.File; |
| import java.io.IOException; |
| import java.nio.file.Files; |
| import java.nio.file.Path; |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import org.eclipse.jgit.lib.Config; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| @Singleton |
| class MessageOfTheDayImpl extends MessageOfTheDay { |
| private static final Logger log = LoggerFactory.getLogger(MessageOfTheDayImpl.class); |
| |
| private final File data; |
| private final String id; |
| private final String startsAt; |
| private final String expiresAt; |
| private final String msg; |
| |
| @Inject |
| public MessageOfTheDayImpl( |
| PluginConfigFactory configFactory, @PluginName String myName, @PluginData File data) { |
| this.data = data; |
| Config cfg = configFactory.getGlobalPluginConfig(myName); |
| id = cfg.getString("message", null, "id"); |
| String configuredStartsAt = Strings.emptyToNull(cfg.getString("message", null, "startsAt")); |
| startsAt = MoreObjects.firstNonNull(configuredStartsAt, now()); |
| expiresAt = cfg.getString("message", null, "expiresAt"); |
| msg = message(); |
| } |
| |
| @Override |
| public String getHtmlMessage() { |
| if (Strings.isNullOrEmpty(id)) { |
| return null; |
| } |
| |
| if (Strings.isNullOrEmpty(expiresAt)) { |
| log.warn("expiresAt not defined, no message will be shown"); |
| return null; |
| } |
| |
| if (now().compareTo(startsAt) < 0 || now().compareTo(expiresAt) > 0) { |
| return null; |
| } |
| |
| return msg; |
| } |
| |
| @Override |
| public String getMessageId() { |
| return id; |
| } |
| |
| private String message() { |
| if (Strings.isNullOrEmpty(id)) { |
| return null; |
| } |
| |
| Path p = new File(data, id + ".html").toPath(); |
| try { |
| return new String(Files.readAllBytes(p), UTF_8); |
| } catch (IOException e) { |
| log.warn("Couldn't read content of the mesage with id = " + id, e); |
| return null; |
| } |
| } |
| |
| private static String now() { |
| return new SimpleDateFormat("yyyyMMdd:HHmm").format(new Date()); |
| } |
| } |