增加httpClien公共类

src/main/java/com/nis/util/httpclient/ClientUtil.java

@@ -0,0 +1,113 @@
+package com.nis.util.httpclient;
+
+
+import java.io.IOException;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.ws.rs.client.Client;
+import javax.ws.rs.client.ClientBuilder;
+import javax.ws.rs.client.WebTarget;
+import javax.ws.rs.client.Invocation.Builder;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import net.sf.json.JSONObject;
+
+import org.apache.commons.lang3.StringUtils;
+import org.apache.http.client.ClientProtocolException;
+import org.apache.log4j.Logger;
+import org.glassfish.jersey.client.ClientProperties;
+import org.glassfish.jersey.jackson.JacksonFeature;
+import org.glassfish.jersey.media.multipart.MultiPartFeature;
+
+import com.nis.util.Constants;
+
+
+public class ClientUtil {
+
+	private static Client client;//客户端
+	private static Logger logger = Logger.getLogger(ClientUtil.class);
+	/**
+	 * 初始化https client
+	 * @throws Exception 
+	 * @throws NoSuchAlgorithmException 
+	 * @throws KeyManagementException 
+	 */
+	public static void initClient(){
+		try{
+			client = ClientBuilder.newBuilder().register(ClientRequestHeaderFilter.class)//请求过滤器，自动添加header信息
+					.register(JacksonFeature.class)//json支持
+					.register(MultiPartFeature.class)//文件上传支持
+					.property(ClientProperties.CONNECT_TIMEOUT, Constants.CLIENT_CONNECT_TIMEOUT)//连接超时时间
+			.property(ClientProperties.READ_TIMEOUT, Constants.CLIENT_READ_TIMEOUT)//读取超时时间
+					.build();
+			logger.info("客户端初始化成功");
+		}catch (Exception e) {
+			logger.error("初始化客户端失败，请检查证书是否正确！",e);
+			System.exit(1);//程序退出
+		}
+	}
+	
+	/**
+	 *path 以https://或http:// 开始不做处理，否则在path前加上 Constants.BASE_URL + Constants.VERSION
+	 * @param path
+	 * @return
+	 */
+	public static WebTarget getWebTarger(String path){
+		initClient();
+		if(StringUtils.isNotBlank(path)){
+			path = formatHttpStr(path);//格式化url字符串
+			return client.target(path);
+		}
+		return null;
+	}
+	
+	/**
+	 * 格式化url字符串
+	 * @param path
+	 * @return
+	 */
+	public static String formatHttpStr(String path){
+		if( ! path.startsWith("https://") && ! path.startsWith("http://")){
+			path = Constants.SERVICE_URL  + "/" + path;
+		}
+		path = path.replaceAll("/{2,}", "/");
+		int i = path.indexOf(":/") + 2;
+		String prefix = path.substring(0, i);
+		path =prefix +"/"+ path.substring(i);
+		return path;
+	}
+	
+	public static Client getClient() {
+		return client;
+	}
+
+	public static void setClient(Client client) {
+		ClientUtil.client = client;
+	}
+	/**
+	 *文件上传header增加Content-fileDesc属性
+	 *格式：Content-Filedesc:json格式的字段描述
+	 * @param path
+	 * @return
+	 */
+	public static JSONObject formatFileDesc(Map<String, Object> map){
+		Map<String,Object> newMap = new HashMap();
+		
+		return JSONObject.fromObject(newMap);
+	}
+	public static void main(String[] args) throws ClientProtocolException, IOException {  
+		String url = Constants.SERVICE_URL+Constants.CONFIG_ID_SOURCES;
+		//创建连接
+		WebTarget wt = ClientUtil.getWebTarger(url);
+		//获取响应结果
+		Builder header = wt.request(MediaType.APPLICATION_JSON).header("Content-Type", MediaType.APPLICATION_JSON);
+		Response response= header.get(); 
+		if( response.getStatus() == 200){
+			String result= response.readEntity(String.class);
+			System.out.println(result);
+		}
+	}
+}