\u6211\u4eec\u5c06\u5728\u4ee3\u7801\u57fa\u7840\u4e0a\u6bd4\u8f83Dropwizard\u7684Spring\u7248\u672c\u548cSpring Boot\u3002\u4e3a\u4e86\u66f4\u52a0\u6e05\u6670\u5730\u8fdb\u884c\u6bd4\u8f83\uff0c\u6211\u4eec\u5c06\u6309\u7167Dropwizard\u7684\u5305\u7ed3\u6784\u548c\u547d\u540d\u8fdb\u884c\u8bbe\u7f6e\u3002\u53e6\u5916\uff0c\u4e3a\u4e86\u4e0eDropwizard\u7c7b\u4f3c\u7684\u7f16\u5199\u65b9\u5f0f\uff0c\u6211\u4eec\u8fd8\u5f15\u5165\u4e86\u4e00\u4e9b\u5728Spring Boot\u4e2d\u4e0d\u662f\u5fc5\u9700\u7684jar\u5305\u3002<\/p>\n
\u6211\u5c06\u5728\u4ee3\u7801\u6ce8\u91ca\u4e2d\u5199\u4e0aDropwizard\u7684\u60c5\u51b5\u3002<\/p>\n
\u56e0\u4e3a\u60f3\u8981\u5199\u4e00\u7bc7\u5173\u4e8e\u4ee3\u7801\u6bd4\u8f83\u7684\u6587\u7ae0\uff0c\u6240\u4ee5\u5728\u8fd9\u91cc\u4e0d\u4f1a\u6d89\u53caDropwizard\u7684pom.xml\u3002\u5982\u679c\u4f60\u6709\u5174\u8da3\uff0c\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7684\u6587\u7ae0\u3002<\/p>\n
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\u4ee5\u4e0b\u662f Spring Boot \u7684\u4e00\u90e8\u5206\u60c5\u51b5\u3002<\/p>\n
<!-- Inherit defaults from Spring Boot -->\r\n <parent>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-parent<\/artifactId>\r\n <version>1.1.2.RELEASE<\/version>\r\n <\/parent>\r\n\r\n <dependencies>\r\n<!-- tomcat\u304b\u3089jetty\u306b\u5909\u66f4\u3057\u305f\u3044\u5834\u5408\u306e\u8a18\u8ff0\u3002liquibase\u3092\u4f9d\u5b58\u3055\u305b\u305f\u3089tomcat\u3067\u52d5\u4f5c\u3057\u306a\u304b\u3063\u305f\u305f\u3081 -->\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-web<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <exclusions>\r\n <exclusion>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-tomcat<\/artifactId>\r\n <\/exclusion>\r\n <\/exclusions>\r\n <\/dependency>\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-jetty<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <\/dependency>\r\n\r\n<!-- \u30e1\u30c8\u30ea\u30c3\u30af\u30b9\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u3060\u3051 -->\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-actuator<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <\/dependency>\r\n\r\n<!-- DB\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u3060\u3051 -->\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-data-jpa<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <\/dependency>\r\n\r\n<!-- freemarker\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u3060\u3051\u3002\u3053\u308c\u3092\u4f9d\u5b58\u3055\u305b\u308b\u3068classpath:\/templates\/\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u304c\u306a\u3044\u3068\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3057\u305f -->\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-freemarker<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <\/dependency>\r\n\r\n<!-- \u5fc5\u9808\u3067\u306a\u3044 -->\r\n <dependency>\r\n <groupId>com.google.guava<\/groupId>\r\n <artifactId>guava<\/artifactId>\r\n <version>17.0<\/version>\r\n <\/dependency>\r\n\r\n<!-- liquibase\u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u3060\u3051 -->\r\n <dependency>\r\n <groupId>org.liquibase<\/groupId>\r\n <artifactId>liquibase-core<\/artifactId>\r\n <version>3.2.0<\/version>\r\n <\/dependency>\r\n\r\n <dependency>\r\n <groupId>com.h2database<\/groupId>\r\n <artifactId>h2<\/artifactId>\r\n <version>1.3.175<\/version>\r\n <\/dependency>\r\n\r\n <dependency>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-starter-test<\/artifactId>\r\n <version>${boot.version}<\/version>\r\n <scope>test<\/scope>\r\n <\/dependency>\r\n\r\n <\/dependencies>\r\n\r\n <build>\r\n <resources>\r\n <resource>\r\n <directory>src\/main\/resources<\/directory>\r\n <includes>\r\n <include>**\/*<\/include>\r\n <\/includes>\r\n <\/resource>\r\n <\/resources> \r\n <plugins>\r\n <plugin>\r\n <groupId>org.springframework.boot<\/groupId>\r\n <artifactId>spring-boot-maven-plugin<\/artifactId>\r\n <\/plugin>\r\n\u30fb\u30fb\u30fb\r\n <\/plugins>\r\n <\/build>\r\n\r\n<\/code><\/pre>\n\u4f60\u597d-\u4e16\u754c\uff08\u57fa\u7840\uff09\u7684\u6bd4\u8f83<\/h1>\n
\u9996\u5148\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u4e00\u4e2a\u76f8\u5bf9\u8f7b\u677e\u7684”Hello-World”\u793a\u4f8b\u6765\u8fdb\u884c\u6bd4\u8f83\u3002
\n\u6e90\u4ee3\u7801\u4e2d\u7684\u6ce8\u91ca\u90e8\u5206\u5c06\u8f6c\u53d8\u4e3aDropwizard\u3002<\/p>\n
\u5e94\u7528\u7a0b\u5e8f\u7c7b<\/h2>\n
Dropwizard\u7684\u4f5c\u7528\u662f\u4e3a\u8be5\u7c7b\u6dfb\u52a0\u5404\u79cd\u529f\u80fd\uff0c\u56e0\u6b64\u8981\u5199\u5f88\u591a\u4ee3\u7801\u3002
\n\u5728Spring Boot\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7SpringApplication\u7c7b\u6216DI\u6765\u5b9e\u73b0\u8fd9\u4e9b\u3002<\/p>\n
@Configuration<\/span>\r\n@EnableAutoConfiguration<\/span>\r\n@ComponentScan<\/span>\r\n@EnableConfigurationProperties<\/span>\r\npublic<\/span> class<\/span> HelloWorldApplication<\/span> {<\/span>\r\n\/\/public class HelloWorldApplication extends Application<HelloWorldConfiguration> {<\/span>\r\n\r\n public<\/span> static<\/span> void<\/span> main<\/span>(<\/span>String<\/span>[]<\/span> args<\/span>)<\/span> throws<\/span> Exception<\/span> {<\/span>\r\n SpringApplication<\/span>.<\/span>run<\/span>(<\/span>HelloWorldApplication<\/span>.<\/span>class<\/span>,<\/span> args<\/span>);<\/span>\r\n \/\/new HelloWorldApplication().run(args);<\/span>\r\n }<\/span>\r\n\r\n\/\/ @Override<\/span>\r\n\/\/ public String getName() {<\/span>\r\n\/\/ return \"hello-world\";<\/span>\r\n\/\/ }<\/span>\r\n\/\/<\/span>\r\n\/\/ @Override<\/span>\r\n\/\/ public void initialize(Bootstrap<HelloWorldConfiguration> bootstrap) {<\/span>\r\n\/\/ }<\/span>\r\n\/\/<\/span>\r\n\/\/ @Override<\/span>\r\n\/\/ public void run(HelloWorldConfiguration configuration,<\/span>\r\n\/\/ Environment environment) throws ClassNotFoundException {<\/span>\r\n\/\/ final Template template = configuration.buildTemplate();<\/span>\r\n\/\/ environment.jersey().register(new HelloWorldResource(template));<\/span>\r\n }<\/span>\r\n<\/code><\/pre>\n\u914d\u7f6e\u7c7b<\/h2>\n
“hello-world”\u8fd9\u4e2a\u524d\u7f00\u662f\u5728example.yml\u6587\u4ef6\u4e2d\u5b9a\u4e49\u7684\u4e00\u4e2a\u952e\u3002
\n\u5728Spring Boot\u4e2d\uff0c\u5982\u679c\u4e0d\u5c06\u8fd9\u4e2a\u524d\u7f00\u6dfb\u52a0\u5230yml\u6587\u4ef6\u4e2d\uff0c\u5e94\u7528\u5c06\u65e0\u6cd5\u542f\u52a8\u3002<\/p>\n
\u9644\u5e26\u4e00\u63d0\uff0c\u5728\u542f\u52a8\u65f6\u6307\u5b9a\u4e86example.yml\u3002<\/p>\n
$ java -jar target\/spike-spring-boot-1.0-SNAPSHOT.jar --spring.config.location=example.yml\r\n\r\n$ java -jar target\/spike-dropwizard-1.0-SNAPSHOT.jar server example.yml\r\n<\/code><\/pre>\n@ConfigurationProperties<\/span>(<\/span>prefix<\/span> =<\/span> \"hello-world\"<\/span>,<\/span> ignoreUnknownFields<\/span> =<\/span> false<\/span>)<\/span>\r\n@Component<\/span>\r\npublic<\/span> class<\/span> HelloWorldConfiguration<\/span> {<\/span>\r\n\/\/public class HelloWorldConfiguration extends Configuration {<\/span>\r\n @NotEmpty<\/span>\r\n private<\/span> String<\/span> template<\/span>;<\/span>\r\n\r\n @NotEmpty<\/span>\r\n private<\/span> String<\/span> defaultName<\/span> =<\/span> \"Stranger\"<\/span>;<\/span>\r\n\r\n\/\/ @JsonProperty<\/span>\r\n public<\/span> String<\/span> getTemplate<\/span>()<\/span> {<\/span>\r\n return<\/span> template<\/span>;<\/span>\r\n }<\/span>\r\n\r\n\/\/ @JsonProperty<\/span>\r\n public<\/span> void<\/span> setTemplate<\/span>(<\/span>String<\/span> template<\/span>)<\/span> {<\/span>\r\n this<\/span>.<\/span>template<\/span> =<\/span> template<\/span>;<\/span>\r\n }<\/span>\r\n\r\n\/\/ @JsonProperty<\/span>\r\n public<\/span> String<\/span> getDefaultName<\/span>()<\/span> {<\/span>\r\n return<\/span> defaultName<\/span>;<\/span>\r\n }<\/span>\r\n\r\n\/\/ @JsonProperty<\/span>\r\n public<\/span> void<\/span> setDefaultName<\/span>(<\/span>String<\/span> defaultName<\/span>)<\/span> {<\/span>\r\n this<\/span>.<\/span>defaultName<\/span> =<\/span> defaultName<\/span>;<\/span>\r\n }<\/span>\r\n\r\n\/\/ public Template buildTemplate() {<\/span>\r\n return<\/span> new<\/span> Template<\/span>(<\/span>template<\/span>,<\/span> defaultName<\/span>);<\/span>\r\n }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\nhello-world<\/span>:<\/span>\r\n template<\/span>:<\/span> Hello, %s!<\/span>\r\n defaultName<\/span>:<\/span> Stranger<\/span>\r\n#template: Hello, %s!<\/span>\r\n#defaultName: Stranger<\/span>\r\n<\/code><\/pre>\n\u8d44\u6e90\u7c7b<\/h2>\n
\u5982\u679c\u5728POST\u4e2d\u5b58\u5728\u9a8c\u8bc1\u5668\u9519\u8bef\uff08\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0ccontent\u5fc5\u987b\u662f\u81f3\u5c114\u4e2a\u5b57\u7b26\u7684”hoge”\uff09\uff0c\u5219\u4f1a\u6709\u4ee5\u4e0b\u533a\u522b\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4e0d\u540c\u7684\u65b9\u5f0f\u6765\u539f\u751f\u4e2d\u6587\u91ca\u4e49”HTTP\u72b6\u6001\u7801”:<\/p>\n
– HTTP\u72b6\u6001\u7801\u6307\u793a\u4e86\u5728\u8fdb\u884cHTTP\u901a\u4fe1\u65f6\u6240\u53d1\u751f\u7684\u7279\u5b9a\u60c5\u51b5\u3002
\n– HTTP\u72b6\u6001\u7801\u7528\u4e8e\u6807\u8bc6\u5728HTTP\u4f20\u8f93\u8fc7\u7a0b\u4e2d\u53d1\u751f\u7684\u7279\u5b9a\u60c5\u51b5\u3002
\n– HTTP\u72b6\u6001\u7801\u7528\u6765\u6307\u793aHTTP\u901a\u4fe1\u4e2d\u51fa\u73b0\u7684\u5177\u4f53\u60c5\u51b5\u3002<\/p>\n
422\u3000<- Dropwizard<\/p>\n
400\u3000<- Spring Boot<\/p>\n
\u8eab\u4f53\u662f<\/p>\n
{“errors”:[“content length must be between 0 and 3 (was hoge)”]}\u3000<- Dropwizard<\/p>\n
{“timestamp”:1403789235278,”status”:400,”error”:”Bad Request”,”exception”:”org.springframework.web.bind.MethodArgumentNotValidException”,”message”:”Validation failed for argument at index 0 in method: public void com.github.ko2ic.resources.HelloWorldResource.receiveHello(com.github.ko2ic.core.Saying), with 1 error(s): [Field error in object ‘saying’ on field ‘content’: rejected value [hoge]; codes [Length.saying.content,Length.content,Length.java.lang.String,Length]; arguments [org.springframework.context.support.DefaultMessageSourceResolvable: codes [saying.content,content]; arguments []; default message [content],3,0]; default message [length must be between 0 and 3]] “,”path”:”\/hello-world”}\u3000<- Spring Boot<\/p>\n
\/\/@Path(\"\/hello-world\")<\/span>\r\n\/\/@Produces(MediaType.APPLICATION_JSON)<\/span>\r\n@RestController<\/span>\r\n@RequestMapping<\/span>(<\/span>value<\/span> =<\/span> \"\/hello-world\"<\/span>)<\/span>\r\npublic<\/span> class<\/span> HelloWorldResource<\/span> {<\/span>\r\n private<\/span> static<\/span> final<\/span> Logger<\/span> LOGGER<\/span> =<\/span> LoggerFactory<\/span>\r\n .<\/span>getLogger<\/span>(<\/span>HelloWorldResource<\/span>.<\/span>class<\/span>);<\/span>\r\n\r\n\/\/ private final Template template;<\/span>\r\n\/\/ private final AtomicLong counter;<\/span>\r\n\/\/<\/span>\r\n\/\/ public HelloWorldResource(Template template) {<\/span>\r\n\/\/ this.template = template;<\/span>\r\n\/\/ this.counter = new AtomicLong();<\/span>\r\n\/\/ }<\/span>\r\n\r\n @Autowired<\/span>\r\n private<\/span> HelloWorldConfiguration<\/span> configuration<\/span>;<\/span>\r\n private<\/span> final<\/span> AtomicLong<\/span> counter<\/span> =<\/span> new<\/span> AtomicLong<\/span>();<\/span>\r\n\r\n\/\/ @GET<\/span>\r\n\/\/ @Timed(name = \"get-requests\")<\/span>\r\n\/\/ @CacheControl(maxAge = 1, maxAgeUnit = TimeUnit.DAYS)<\/span>\r\n\/\/ public Saying sayHello(@QueryParam(\"name\") Optional<String> name) {<\/span>\r\n\/\/ return new Saying(counter.incrementAndGet(), template.render(name));<\/span>\r\n\/\/ }<\/span>\r\n @RequestMapping<\/span>(<\/span>method<\/span> =<\/span> RequestMethod<\/span>.<\/span>GET<\/span>)<\/span>\r\n public<\/span> Saying<\/span> sayHello<\/span>(<\/span>\r\n @RequestParam<\/span>(<\/span>value<\/span> =<\/span> \"name\"<\/span>,<\/span> required<\/span> =<\/span> false<\/span>)<\/span> String<\/span> name<\/span>,<\/span>\r\n HttpServletResponse<\/span> response<\/span>)<\/span> {<\/span>\r\n response<\/span>.<\/span>setHeader<\/span>