/*
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* Copyright 1999-2018 Alibaba Group Holding Ltd.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.nacos.console.controller;
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import com.alibaba.nacos.common.model.RestResult;
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import com.alibaba.nacos.common.model.RestResultUtils;
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import com.alibaba.nacos.console.paramcheck.ConsoleDefaultHttpParamExtractor;
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import com.alibaba.nacos.core.paramcheck.ExtractorManager;
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import com.alibaba.nacos.sys.env.EnvUtil;
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import com.alibaba.nacos.sys.module.ModuleState;
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import com.alibaba.nacos.sys.module.ModuleStateHolder;
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import com.alibaba.nacos.sys.utils.DiskUtils;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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import java.io.File;
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import java.util.HashMap;
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import java.util.Map;
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import static com.alibaba.nacos.common.utils.StringUtils.FOLDER_SEPARATOR;
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import static com.alibaba.nacos.common.utils.StringUtils.TOP_PATH;
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import static com.alibaba.nacos.common.utils.StringUtils.WINDOWS_FOLDER_SEPARATOR;
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/**
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* Server state controller.
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*
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* @author xingxuechao on:2019/2/27 11:17 AM
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*/
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@RestController
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@RequestMapping("/v1/console/server")
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@ExtractorManager.Extractor(httpExtractor = ConsoleDefaultHttpParamExtractor.class)
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public class ServerStateController {
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private static final String ANNOUNCEMENT_FILE = "announcement.conf";
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private static final String GUIDE_FILE = "console-guide.conf";
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/**
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* Get server state of current server.
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*
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* @return state json.
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*/
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@GetMapping("/state")
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public ResponseEntity<Map<String, String>> serverState() {
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Map<String, String> serverState = new HashMap<>(4);
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for (ModuleState each : ModuleStateHolder.getInstance().getAllModuleStates()) {
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each.getStates().forEach((s, o) -> serverState.put(s, null == o ? null : o.toString()));
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}
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return ResponseEntity.ok().body(serverState);
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}
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@GetMapping("/announcement")
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public RestResult<String> getAnnouncement(
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@RequestParam(required = false, name = "language", defaultValue = "zh-CN") String language) {
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String file = ANNOUNCEMENT_FILE.substring(0, ANNOUNCEMENT_FILE.length() - 5) + "_" + language + ".conf";
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if (file.contains(TOP_PATH) || file.contains(FOLDER_SEPARATOR) || file.contains(WINDOWS_FOLDER_SEPARATOR)) {
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throw new IllegalArgumentException("Invalid filename");
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}
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File announcementFile = new File(EnvUtil.getConfPath(), file);
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String announcement = null;
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if (announcementFile.exists() && announcementFile.isFile()) {
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announcement = DiskUtils.readFile(announcementFile);
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}
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return RestResultUtils.success(announcement);
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}
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@GetMapping("/guide")
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public RestResult<String> getConsoleUiGuide() {
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File guideFile = new File(EnvUtil.getConfPath(), GUIDE_FILE);
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String guideInformation = null;
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if (guideFile.exists() && guideFile.isFile()) {
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guideInformation = DiskUtils.readFile(guideFile);
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}
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return RestResultUtils.success(guideInformation);
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}
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}
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