Merge pull request digitalsonic#9 from digitalsonic/master

upload 第六章PDF和demo

Chapter 6/cache-demo/.gitignore

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+HELP.md
+/target/
+!.mvn/wrapper/maven-wrapper.jar
+
+### STS ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### IntelliJ IDEA ###
+.idea
+*.iws
+*.iml
+*.ipr
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+/build/

Chapter 6/cache-demo/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+	<modelVersion>4.0.0</modelVersion>
+	<parent>
+		<groupId>org.springframework.boot</groupId>
+		<artifactId>spring-boot-starter-parent</artifactId>
+		<version>2.1.3.RELEASE</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>geektime.spring.springbucks</groupId>
+	<artifactId>waiter-service</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>waiter-service</name>
+	<description>Demo project for Spring Boot</description>
+
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-cache</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-data-jpa</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>org.joda</groupId>
+			<artifactId>joda-money</artifactId>
+			<version>1.0.1</version>
+		</dependency>
+		<dependency>
+			<groupId>org.jadira.usertype</groupId>
+			<artifactId>usertype.core</artifactId>
+			<version>6.0.1.GA</version>
+		</dependency>
+		<dependency>
+			<groupId>org.apache.commons</groupId>
+			<artifactId>commons-lang3</artifactId>
+		</dependency>
+
+		<dependency>
+			<groupId>com.h2database</groupId>
+			<artifactId>h2</artifactId>
+			<scope>runtime</scope>
+		</dependency>
+		<dependency>
+			<groupId>org.projectlombok</groupId>
+			<artifactId>lombok</artifactId>
+			<optional>true</optional>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/WaiterServiceApplication.java

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+package geektime.spring.springbucks.waiter;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.cache.annotation.EnableCaching;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
+
+@SpringBootApplication
+@EnableJpaRepositories
+@EnableCaching
+public class WaiterServiceApplication {
+
+	public static void main(String[] args) {
+		SpringApplication.run(WaiterServiceApplication.class, args);
+	}
+
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/controller/CoffeeController.java

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+package geektime.spring.springbucks.waiter.controller;
+
+import geektime.spring.springbucks.waiter.controller.request.NewCoffeeRequest;
+import geektime.spring.springbucks.waiter.model.Coffee;
+import geektime.spring.springbucks.waiter.service.CoffeeService;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+import org.apache.commons.lang3.math.NumberUtils;
+import org.apache.tomcat.util.http.fileupload.IOUtils;
+import org.joda.money.CurrencyUnit;
+import org.joda.money.Money;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.CacheControl;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.http.ResponseEntity;
+import org.springframework.stereotype.Controller;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.validation.Valid;
+import java.io.BufferedInputStream;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOError;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+@Controller
+@RequestMapping("/coffee")
+@Slf4j
+public class CoffeeController {
+    @Autowired
+    private CoffeeService coffeeService;
+
+    @PostMapping(path = "/", consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+    @ResponseBody
+    @ResponseStatus(HttpStatus.CREATED)
+    public Coffee addCoffee(@Valid NewCoffeeRequest newCoffee,
+                            BindingResult result) {
+        if (result.hasErrors()) {
+            // 这里先简单处理一下，后续讲到异常处理时会改
+            log.warn("Binding Errors: {}", result);
+            return null;
+        }
+        return coffeeService.saveCoffee(newCoffee.getName(), newCoffee.getPrice());
+    }
+
+//    @PostMapping(path = "/", consumes = MediaType.APPLICATION_FORM_URLENCODED_VALUE)
+//    @ResponseBody
+//    @ResponseStatus(HttpStatus.CREATED)
+//    public Coffee addCoffeeWithoutBindingResult(@Valid NewCoffeeRequest newCoffee) {
+//        return coffeeService.saveCoffee(newCoffee.getName(), newCoffee.getPrice());
+//    }
+
+    @PostMapping(path = "/", consumes = MediaType.MULTIPART_FORM_DATA_VALUE)
+    @ResponseBody
+    @ResponseStatus(HttpStatus.CREATED)
+    public List<Coffee> batchAddCoffee(@RequestParam("file") MultipartFile file) {
+        List<Coffee> coffees = new ArrayList<>();
+        if (!file.isEmpty()) {
+            BufferedReader reader = null;
+            try {
+                reader = new BufferedReader(
+                        new InputStreamReader(file.getInputStream()));
+                String str;
+                while ((str = reader.readLine()) != null) {
+                    String[] arr = StringUtils.split(str, " ");
+                    if (arr != null && arr.length == 2) {
+                        coffees.add(coffeeService.saveCoffee(arr[0],
+                                Money.of(CurrencyUnit.of("CNY"),
+                                        NumberUtils.createBigDecimal(arr[1]))));
+                    }
+                }
+            } catch (IOException e) {
+                log.error("exception", e);
+            } finally {
+                IOUtils.closeQuietly(reader);
+            }
+        }
+        return coffees;
+    }
+
+    @GetMapping(path = "/", params = "!name")
+    @ResponseBody
+    public List<Coffee> getAll() {
+        return coffeeService.getAllCoffee();
+    }
+
+    @RequestMapping(path = "/{id}", method = RequestMethod.GET,
+            produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+    @ResponseBody
+    public ResponseEntity<Coffee> getById(@PathVariable Long id) {
+        Coffee coffee = coffeeService.getCoffee(id);
+        return ResponseEntity.ok()
+                .cacheControl(CacheControl.maxAge(10, TimeUnit.SECONDS))
+                .body(coffee);
+    }
+
+    @GetMapping(path = "/", params = "name")
+    @ResponseBody
+    public Coffee getByName(@RequestParam String name) {
+        return coffeeService.getCoffee(name);
+    }
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/controller/CoffeeOrderController.java

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+package geektime.spring.springbucks.waiter.controller;
+
+import geektime.spring.springbucks.waiter.controller.request.NewOrderRequest;
+import geektime.spring.springbucks.waiter.model.Coffee;
+import geektime.spring.springbucks.waiter.model.CoffeeOrder;
+import geektime.spring.springbucks.waiter.service.CoffeeOrderService;
+import geektime.spring.springbucks.waiter.service.CoffeeService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.MediaType;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseStatus;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/order")
+@Slf4j
+public class CoffeeOrderController {
+    @Autowired
+    private CoffeeOrderService orderService;
+    @Autowired
+    private CoffeeService coffeeService;
+
+    @GetMapping("/{id}")
+    public CoffeeOrder getOrder(@PathVariable("id") Long id) {
+        return orderService.get(id);
+    }
+
+    @PostMapping(path = "/", consumes = MediaType.APPLICATION_JSON_VALUE,
+            produces = MediaType.APPLICATION_JSON_UTF8_VALUE)
+    @ResponseStatus(HttpStatus.CREATED)
+    public CoffeeOrder create(@RequestBody NewOrderRequest newOrder) {
+        log.info("Receive new Order {}", newOrder);
+        Coffee[] coffeeList = coffeeService.getCoffeeByName(newOrder.getItems())
+                .toArray(new Coffee[] {});
+        return orderService.createOrder(newOrder.getCustomer(), coffeeList);
+    }
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/controller/request/NewCoffeeRequest.java

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+package geektime.spring.springbucks.waiter.controller.request;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+import org.joda.money.Money;
+
+import javax.validation.constraints.NotEmpty;
+import javax.validation.constraints.NotNull;
+
+@Getter
+@Setter
+@ToString
+public class NewCoffeeRequest {
+    @NotEmpty
+    private String name;
+    @NotNull
+    private Money price;
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/controller/request/NewOrderRequest.java

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+package geektime.spring.springbucks.waiter.controller.request;
+
+import lombok.Getter;
+import lombok.Setter;
+import lombok.ToString;
+
+import java.util.List;
+
+@Getter
+@Setter
+@ToString
+public class NewOrderRequest {
+    private String customer;
+    private List<String> items;
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/model/BaseEntity.java

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+package geektime.spring.springbucks.waiter.model;
+
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+import org.hibernate.annotations.CreationTimestamp;
+import org.hibernate.annotations.UpdateTimestamp;
+
+import javax.persistence.Column;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.MappedSuperclass;
+import java.io.Serializable;
+import java.util.Date;
+
+@MappedSuperclass
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@JsonIgnoreProperties(value = {"hibernateLazyInitializer"})
+public class BaseEntity implements Serializable {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+    @Column(updatable = false)
+    @CreationTimestamp
+    private Date createTime;
+    @UpdateTimestamp
+    private Date updateTime;
+}

Chapter 6/cache-demo/src/main/java/geektime/spring/springbucks/waiter/model/Coffee.java

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+package geektime.spring.springbucks.waiter.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.NoArgsConstructor;
+import lombok.ToString;
+import org.hibernate.annotations.Type;
+import org.joda.money.Money;
+
+import javax.persistence.Entity;
+import javax.persistence.Table;
+import java.io.Serializable;
+
+@Entity
+@Table(name = "T_COFFEE")
+@Builder
+@Data
+@EqualsAndHashCode(callSuper = true)
+@ToString(callSuper = true)
+@NoArgsConstructor
+@AllArgsConstructor
+public class Coffee extends BaseEntity implements Serializable {
+    private String name;
+    @Type(type = "org.jadira.usertype.moneyandcurrency.joda.PersistentMoneyMinorAmount",
+            parameters = {@org.hibernate.annotations.Parameter(name = "currencyCode", value = "CNY")})
+    private Money price;
+}