package org.how2j.trend.util;

import java.io.OutputStream;
import java.io.PrintStream;
import java.text.SimpleDateFormat;
import java.util.Date;

public class LogPrintStream extends PrintStream{

	public static boolean log = true;
	
	public void println() {
		
		println("");
	}
	public void println(boolean x) {
		println(String.valueOf(x));
	}
	public void println(char x) {
		println(String.valueOf(x));
	}
	public void println(int x) {
		println(String.valueOf(x));
	}
	public void println(long x) {
		println(String.valueOf(x));
	}
	public void println(float x) {
		println(String.valueOf(x));
	}
	public void println(double x) {
		println(String.valueOf(x));
	}
	public void println(char[] x) {
		println(String.valueOf(x));
	}
	public LogPrintStream(OutputStream out) {
		super(out);
	}
	public LogPrintStream() {
		this(System.out);
	}
	
	public static void closeLog(){
		log= false;
	}
	
	public void println(Object x){
		println(String.valueOf(x));
	}
	
	public void println(String msg){
		if(!log){
			super.println(msg);
			return;
		}
		try {
			throw new Exception();
		} catch (Exception e) {
			StackTraceElement[] stes = e.getStackTrace();
			String time = new SimpleDateFormat("HH:mm:ss").format(new Date());
			StackTraceElement s= getTriggerTraceElement(stes);
			String logFormat = "%s (%s:%d) %s() - %s%n";
			
			super.printf(logFormat, time,s.getFileName(), s.getLineNumber(), s.getMethodName(), msg);

		}
		
	}
	private StackTraceElement getTriggerTraceElement(StackTraceElement[] stes) {
		for (StackTraceElement s : stes) {
			String clazzName = s.getClassName();
			if(clazzName.equals(LogPrintStream.class.getName()))
			{
				continue;
			}
			return s;

		}
		return null;
		
	}
	
	 public static void init() {
	        System.setOut(new LogPrintStream());
	         
	    }	

}

package org.how2j.trend;

import java.io.IOException;
import java.net.URISyntaxException;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.support.SpringBootServletInitializer;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;

import org.how2j.trend.util.LogPrintStream;
import cn.hutool.core.util.NetUtil;

@SpringBootApplication
public class Application extends SpringBootServletInitializer{
    public static void main(String[] args) throws IOException, URISyntaxException {
    	String url = "http://127.0.0.1:9888/trend/";
    	int port = 9888;
		if(NetUtil.isUsableLocalPort(port)) {
        	LogPrintStream.init();
        	System.setProperty("java.awt.headless", "false");
        	SpringApplication.run(Application.class, args);
        	System.out.println(url);
    	}
    	else {
    		System.err.printf("本项目端口号 %d 已经被占用，无法启动%n", port);
    	}
    }
    
    @Bean
    RestTemplate restTemplate() {
        return new RestTemplate();
    }
}

#thymeleaf
spring.thymeleaf.mode=LEGACYHTML5
spring.thymeleaf.encoding=UTF-8
spring.thymeleaf.content-type=text/html
spring.thymeleaf.cache=false

#context
server.context-path=/trend
server.port=9888

#compression
server.compression.enabled=true
server.compression.mime-types=text/html,text/xml,text/plain,text/css,text/javascript,text/json,application/x-javascript,application/javascript,application/json

[
    {
        "code": "399975",
        "name": "证券公司"
    },
    {
        "code": "000015",
        "name": "红利指数"
    },
    {
        "code": "000016",
        "name": "上证50"
    },
    {
        "code": "399812",
        "name": "养老产业"
    },
    {
        "code": "399971",
        "name": "中证传媒"
    },
    {
        "code": "399006",
        "name": "创业扳指"
    },
    {
        "code": "000992",
        "name": "全指金融"
    },
    {
        "code": "000991",
        "name": "全指医药"
    },
    {
        "code": "000300",
        "name": "沪深300"
    },
    {
        "code": "000827",
        "name": "中证环保"
    },
    {
        "code": "000905",
        "name": "中证500"
    },
    {
        "code": "000001",
        "name": "上证指数"
    },
    {
        "code": "000852",
        "name": "中证1000"
    }
]

package org.how2j.trend.service;

import java.util.List;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.web.client.RestTemplate;

@Service
public class IndexService {
	
	@Autowired RestTemplate restTemplate;
	
	public List<Map> listIndex(){
		List<Map> indexs= restTemplate.getForObject("http://127.0.0.1:9888/trend/indices/codes.json",List.class);
		return indexs;
	}
	
	public String getIndexName(String code){
		
		List<Map> indexes = listIndex();
		
		for (Map index : indexes) {
			if(code.equals(index.get("code")))
				return (String) index.get("name");
		}
		
		return "unknown";
	}

}

package cn.how2j.trend.web;

import java.util.List;
import java.util.Map;

import cn.how2j.trend.service.IndexService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class IndexController {
	@Autowired
	IndexService indexService;
	
	@GetMapping("/indexs")
	public List<Map> list() throws Exception {
		List<Map> result = indexService.listIndex();
		
		return result;
	}
	
}