这篇文章介绍如何通过API调用部署在WSO2ESB上的服务。
下面以WSO2 自带服务echo为例进行介绍。
1、生成客户端
点击echo服务名称，出现如下界面。
点击“Generate Axis2 Client”，出现如下界面。
点击“Generate”，生成一个zip文件。
2、生成客户端代码。
解压zip文件，，导入Eclipse，或者直接在pox.xml文件目录下输入mvn clean install。生成客户端java代码。
3、客户端认证调用
编写程序调用服务
package com;import java.io.File;import org.apache.axis2.client.Options;import org.apache.axis2.client.ServiceClient;import org.apache.axis2.context.ConfigurationContext;import org.apache.axis2.context.ConfigurationContextFactory;import org.apache.axis2.transport.http.HTTPConstants;import org.apache.axis2.transport.http.HttpTransportProperties;import org.wso2.carbon.core.services.echo.EchoStub;import org.wso2.carbon.core.services.echo.EchoStub.EchoString;public class echoClient {private static String SEVER_URL = ":9763/services/";private static String USER_NAME = "admin";private static String PASSWORD = "admin";public static void main(String args[]) {String trustStore = System.getProperty("user.dir") + File.separator + "src"+ File.separator + "main" + File.separator + "resources" + File.separator+ "wso2carbon.jks";System.setProperty("javax.net.ssl.trustStore", trustStore);System.setProperty("javax.net.ssl.trustStorePassword", "wso2carbon");ConfigurationContext configContext;try {configContext = ConfigurationContextFactory.createConfigurationContextFromFileSystem(null, null);String serviceEndPoint = SEVER_URL + "echo";EchoStub stub = new EchoStub(configContext, serviceEndPoint);ServiceClient client = stub._getServiceClient();Options option = client.getOptions();option.setProperty(HTTPConstants.COOKIE_STRING, null);HttpTransportProperties.Authenticator auth = new HttpTransportProperties.Authenticator();auth.setUsername(USER_NAME);auth.setPassword(PASSWORD);auth.setPreemptiveAuthentication(true);option.setProperty(org.apache.axis2.transport.http.HTTPConstants.AUTHENTICATE, auth);option.setManageSession(true);EchoString echoString = new EchoString();echoString.setIn("string");System.out.println(stub.echoString(echoString).get_return());String authCookie = (String) stub._getServiceClient().getServiceContext().getProperty(HTTPConstants.COOKIE_STRING);System.out.println(authCookie);} catch (Exception e) {e.printStackTrace();}}}
到尽头，也许快乐，或有时孤独，如果心在远方，
