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這篇文章主要介紹“Jersey是什么”，在日常操作中，相信很多人在Jersey是什么問題上存在疑惑，小編查閱了各式資料，整理出簡單好用的操作方法，希望對大家解答”Jersey是什么”的疑惑有所幫助！接下來，請跟著小編一起來學(xué)習(xí)吧！
Jersey是個restfull 框架 類似于springmvc
服務(wù)端
maven
<?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"> <!--<parent>--> <!--<artifactId>demo</artifactId>--> <!--<groupId>com.demo2</groupId>--> <!--<version>0.0.1-SNAPSHOT</version>--> <!--</parent>--> <modelVersion>4.0.0</modelVersion> <groupId>JERSEY_SERVER</groupId> <artifactId>JERSEY_SERVER</artifactId> <version>1.0</version> <dependencies> <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-server</artifactId> <version>1.18</version> </dependency> <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-grizzly2</artifactId> <version>1.18</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>2.3</version> <executions> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <!--指定main方法--> <mainClass>com.sean.MyResource</mainClass> </transformer> </transformers> </configuration> </execution> </executions> </plugin> </plugins> </build> </project>
代碼
package com.sean;
import java.io.IOException;
import java.net.URI;
import java.util.Iterator;
import javax.ws.rs.Consumes;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.HttpHeaders;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import org.glassfish.grizzly.http.server.HttpServer;
import com.sun.jersey.api.container.grizzly2.GrizzlyServerFactory;
import com.sun.jersey.api.core.PackagesResourceConfig;
import com.sun.jersey.api.core.ResourceConfig;
import com.sun.jersey.spi.resource.Singleton;
@Singleton
@Path("service")
public class MyResource {
@Path("{sub_path:[a-zA-Z0-9]*}")
@GET
@Consumes({MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON})
@Produces(MediaType.TEXT_PLAIN)
public String getResourceName(
@PathParam("sub_path") String resourceName,
@DefaultValue("Just a test!") @QueryParam("desc") String description,
@Context Request request,
@Context UriInfo uriInfo,
@Context HttpHeaders httpHeader) {
System.out.println(this.hashCode());
// 將HTTP請求打印出來
System.out.println("****** HTTP request ******");
StringBuilder strBuilder = new StringBuilder();
strBuilder.append(request.getMethod() + " ");
strBuilder.append(uriInfo.getRequestUri().toString() + " ");
strBuilder.append("HTTP/1.1[\\r\\n]");
System.out.println(strBuilder.toString());
MultivaluedMap<String, String> headers = httpHeader.getRequestHeaders();
Iterator<String> iterator = headers.keySet().iterator();
while(iterator.hasNext()){
String headName = iterator.next();
System.out.println(headName + ":" + headers.get(headName) + "[\\r\\n]");
}
System.out.println("[\\r\\n]");
String responseStr =resourceName + "[" + description + "]";
return responseStr;
}
public static void main(String[] args) {
URI uri = UriBuilder.fromUri("http://127.0.0.1").port(10000).build();
ResourceConfig rc = new PackagesResourceConfig("com.sean");
try {
HttpServer server = GrizzlyServerFactory.createHttpServer(uri, rc);
server.start();
} catch (IllegalArgumentException e) {
e.printStackTrace();
} catch (NullPointerException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
try {
Thread.sleep(1000*1000);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}客戶端
maven
<?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"> <!--<parent>--> <!--<artifactId>demo</artifactId>--> <!--<groupId>com.demo2</groupId>--> <!--<version>0.0.1-SNAPSHOT</version>--> <!--</parent>--> <modelVersion>4.0.0</modelVersion> <groupId>JERSEY_CLIENT</groupId> <artifactId>JERSEY_CLIENT</artifactId> <version>1.0</version> <properties> <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> <maven.compiler.source>1.8</maven.compiler.source> <maven.compiler.target>1.8</maven.compiler.target> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-client</artifactId> <version>1.18</version> </dependency> <dependency> <groupId>com.sun.jersey</groupId> <artifactId>jersey-grizzly2</artifactId> <version>1.18</version> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-shade-plugin</artifactId> <version>2.3</version> <executions> <execution> <phase>package</phase> <goals> <goal>shade</goal> </goals> <configuration> <transformers> <transformer implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer"> <!--指定main方法--> <mainClass>com.sean.JerseyClient</mainClass> </transformer> </transformers> </configuration> </execution> </executions> </plugin> </plugins> </build> </project>
代碼
package com.sean;
import java.net.URI;
import java.util.Iterator;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriBuilder;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
public class JerseyClient {
public static void main(String[] args) {
// 要使用Jersey Client API，必須首先創(chuàng)建Client的實(shí)例
// 有以下兩種創(chuàng)建Client實(shí)例的方式
// 方式一
ClientConfig cc = new DefaultClientConfig();
cc.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 10*1000);
// Client實(shí)例很消耗系統(tǒng)資源，需要重用
// 創(chuàng)建web資源，創(chuàng)建請求，接受響應(yīng)都是線程安全的
// 所以Client實(shí)例和WebResource實(shí)例可以在多個線程間安全的共享
Client client = Client.create(cc);
// 方式二
// Client client = Client.create();
// client.setConnectTimeout(10*1000);
// client.getProperties().put(ClientConfig.PROPERTY_CONNECT_TIMEOUT, 10*1000);
// WebResource將會繼承Client中timeout的配置
// WebResource resource = client.resource("http://127.0.0.1:10000/service/sean?desc=description");
//
// String str = resource
// .accept(MediaType.TEXT_PLAIN)
// .type(MediaType.TEXT_PLAIN)
// .get(String.class);
// System.out.println("String:" + str);
URI uri = UriBuilder.fromUri("http://127.0.0.1/service/sean").port(10000)
.queryParam("desc", "description").build();
WebResource resource = client.resource(uri);
//header方法可用來添加HTTP頭
ClientResponse response = resource.header("auth", "123456")
.accept(MediaType.TEXT_PLAIN)
.type(MediaType.TEXT_PLAIN)
.get(ClientResponse.class);
// 將HTTP響應(yīng)打印出來
System.out.println("****** HTTP response ******");
StringBuilder strBuilder = new StringBuilder();
strBuilder.append("HTTP/1.1 ");
strBuilder.append(response.getStatus() + " ");
strBuilder.append(response.getStatusInfo() + "[\\r\\n]");
System.out.println(strBuilder.toString());
MultivaluedMap<String, String> headers = response.getHeaders();
Iterator<String> iterator = headers.keySet().iterator();
while(iterator.hasNext()){
String headName = iterator.next();
System.out.println(headName + ":" + headers.get(headName) + "[\\r\\n]");
}
System.out.println("[\\r\\n]");
System.out.println(response.getEntity(String.class) + "[\\r\\n]");
}
}到此，關(guān)于“Jersey是什么”的學(xué)習(xí)就結(jié)束了，希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí)，快去試試吧！若想繼續(xù)學(xué)習(xí)更多相關(guān)知識，請繼續(xù)關(guān)注億速云網(wǎng)站，小編會繼續(xù)努力為大家?guī)砀鄬?shí)用的文章！
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