/*
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* Copyright 1999-2019 Seata.io Group.
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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 io.seata.server.env;
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import io.seata.common.util.CollectionUtils;
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import io.seata.common.util.MapUtil;
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import io.seata.common.util.NumberUtils;
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import io.seata.common.util.StringUtils;
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import org.springframework.util.ResourceUtils;
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import org.yaml.snakeyaml.Yaml;
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import java.io.*;
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import java.util.Map;
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import java.util.Properties;
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/**
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* @author wang.liang
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*/
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public class PortHelper {
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public static int getPortFromEnvOrStartup(String[] args) {
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int port = 0;
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if (args != null && args.length >= 2) {
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for (int i = 0; i < args.length; ++i) {
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if ("-p".equalsIgnoreCase(args[i]) && i < args.length - 1) {
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port = NumberUtils.toInt(args[i + 1], 0);
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}
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}
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}
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if (port == 0) {
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port = ContainerHelper.getPort();
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}
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return port;
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}
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/**
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* get config from configFile
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* -Dspring.config.location > classpath:application.properties > classpath:application.yml
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*
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* @return the port
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* @throws IOException the io exception
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*/
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public static int getPortFromConfigFile() throws IOException {
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int port = 8080;
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File configFile = null;
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File startupConfigFile = getConfigFromStartup();
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if (null != startupConfigFile) {
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configFile = startupConfigFile;
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} else {
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try {
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File propertiesFile = ResourceUtils.getFile("classpath:application.properties");
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configFile = propertiesFile;
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} catch (FileNotFoundException exx) {
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File ymlFile = ResourceUtils.getFile("classpath:application.yml");
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configFile = ymlFile;
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}
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}
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InputStream inputStream = null;
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try {
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inputStream = new FileInputStream(configFile);
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String fileName = configFile.getName();
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String portNum = null;
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if (fileName.endsWith("yml")) {
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Map<String, Object> yamlMap = new Yaml().load(inputStream);
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Map<String, Object> configMap = MapUtil.getFlattenedMap(yamlMap);
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if (CollectionUtils.isNotEmpty(configMap)) {
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Object serverPort = configMap.get("server.port");
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if (null != serverPort) {
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portNum = serverPort.toString();
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}
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}
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} else {
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Properties properties = new Properties();
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properties.load(inputStream);
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portNum = properties.getProperty("server.port");
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}
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if (null != portNum) {
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try {
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port = Integer.parseInt(portNum);
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} catch (NumberFormatException exx) {
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//ignore
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}
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}
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} finally {
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if (null != inputStream) {
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inputStream.close();
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}
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}
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return port;
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}
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private static File getConfigFromStartup() {
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String configLocation = System.getProperty("spring.config.location");
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if (StringUtils.isNotBlank(configLocation)) {
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try {
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File configFile = ResourceUtils.getFile(configLocation);
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if (!configFile.isFile()) {
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return null;
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}
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String fileName = configFile.getName();
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if (!(fileName.endsWith("yml") || fileName.endsWith("properties"))) {
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return null;
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}
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return configFile;
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} catch (FileNotFoundException e) {
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return null;
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}
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}
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return null;
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}
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}
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