java 中HttpClient传输xml字符串实例详解

<dependencies>   <dependency>     <groupId>junit</groupId>     <artifactId>junit</artifactId>     <version>3.8.1</version>     <scope>test</scope>   </dependency>   <dependency>     <groupId>org.apache.httpcomponents</groupId>     <artifactId>httpclient</artifactId>     <version>4.5.2</version>   </dependency>      <dependency>    <groupId>org.apache.httpcomponents</groupId>    <artifactId>httpmime</artifactId>    <version>4.5.2</version>   </dependency>   <dependency>     <groupId>commons-lang</groupId>     <artifactId>commons-lang</artifactId>     <version>2.4</version>   </dependency>   <dependency>     <groupId>com.google.code.gson</groupId>     <artifactId>gson</artifactId>     <version>2.2.4</version>     <type>jar</type>     <scope>compile</scope>   </dependency>   <dependency>     <groupId>org.xwiki.platform</groupId>     <artifactId>xwiki-platform-rest-model</artifactId>     <version>7.2</version>   </dependency> </dependencies> 

public void testNewPage() throws Exception{     //定义对象     Page page =new Page();     page.setTitle("testPage");     page.setSyntax("xwiki/2.0");     page.setContent("This is a testPage");     page.setId("xwiki:Main.testPage");     //初始化并转换对象为xml文件的流     JAXBContext context = JAXBContext.newInstance("org.xwiki.rest.model.jaxb");     Marshaller marshaller=context.createMarshaller();     Unmarshaller unmarshaller = context.createUnmarshaller();     ByteArrayOutputStream out = new ByteArrayOutputStream();     marshaller.marshal( page, out );     //将流转换并放入到InputStreamEntity中     InputStreamEntity inputStreamEntity=new InputStreamEntity(new ByteArrayInputStream(out.toByteArray()));      //发送请求     CloseableHttpClient httpclient = HttpClients.createDefault();     HttpUriRequest httpPost = RequestBuilder.put()         .setUri(new URI("http://172.16.200.220:8082/xwiki/rest/wikis/xwiki/spaces/Main/pages/testPage"))         .setEntity(inputStreamEntity)         .setHeader("Content-Type", "application/xml")         .setHeader("Cookie", cookieStr).build();     //获取返回结果     CloseableHttpResponse response = httpclient.execute(httpPost);     System.out.println(response.getStatusLine().getStatusCode());     HttpEntity responseEntity=response.getEntity();     System.out.println(responseEntity);     if(response.getStatusLine().getStatusCode()<400){       Page responsePage = (Page) unmarshaller.unmarshal(responseEntity.getContent());       System.out.println(responsePage); //      System.out.println(new Gson().toJson(responsePage));     }   }