本文参考自:J2EE Web服务开发系列之十二: 实现安全的AXIS Web服务,第1部分
package com.hellking.study.webservice;
public class PersonalTaxService {
final double base = 3500;// 所得税上缴基数。
public double getTax(double salary) {
double tax_salary = salary - base;
double tax = 0.0d;// 计算后的所得税。
if (0 > tax_salary)
tax = 0;
else if (0 < tax_salary && tax_salary <= 1500)
tax = tax_salary * 0.03 - 0;
else if (1500 < tax_salary && tax_salary <= 4500)
tax = tax_salary * 0.10 - 25;
return tax;
}
}
布署web 服务
<deployment xmlns="http://xml.apache.org/axis/wsdd/" xmlns:java="http://xml.apache.org/axis/wsdd/providers/java"> <service name="PersonalTaxService" provider="java:RPC"> <parameter name="allowedMethods" value="*"/> <parameter name="className" value="com.hellking.study.webservice.PersonalTaxService"/> </service> </deployment>
执行命令:
java -classpath %CLASSPATH% org.apache.axis.client.AdminClient -l http://localhost:8080/axis/services/PersonalTaxService D:/workspace-java/axis1/web/WEB-INF/deploy_auth_basic.wsdd
编辑%TOMCAT_HOME%/conf/tomcat-users.xml ,添加用户角色和用户:
<role rolename="department-manager"/> <user username="hellking" password="simplewebservices" roles="department-manager"/>
编辑/axis1/web/WEB-INF/web.xml,在最后添加上:
<security-constraint> <web-resource-collection> <web-resource-name>Tax Web service</web-resource-name> <url-pattern>/services/PersonalTaxService</url-pattern> </web-resource-collection> <auth-constraint> <role-name>department-manager</role-name> </auth-constraint> </security-constraint> <login-config> <auth-method>BASIC</auth-method> <realm-name>Axis Basic Authentication Area</realm-name> </login-config> <security-role> <role-name>department-manager</role-name> </security-role>
最后编写客户端代码:
package com.hellking.study.webservice;
import javax.xml.namespace.QName;
import javax.xml.rpc.ParameterMode;
import org.apache.axis.client.Call;
import org.apache.axis.client.Service;
import org.apache.axis.encoding.XMLType;
/**
* 调用需要验证的Web服务
*/
public class AuthClient {
static final double salary = 50000;
public static void main(String[] args) {
try {
// 服务端的url,需要根据情况更改。
String endpointURL = "http://localhost:8080/axis/services/PersonalTaxService";// Web服务端点地址
Service service = new Service();
Call call = (Call) service.createCall();
call.setTargetEndpointAddress(new java.net.URL(endpointURL));
call.setOperationName(new QName("PersonalTaxService", "getTax"));// 设置操作的名称。
// 由于需要认证,故需要设置调用的用户名和密码。
call.getMessageContext().setUsername("hellking");// 设置用户名。
call.getMessageContext().setPassword("simplewebservices");// 设置密码
call.addParameter("op1", XMLType.XSD_DOUBLE, ParameterMode.IN);// 参数的类型
call.setReturnType(XMLType.XSD_DOUBLE);// 返回的数据类型
Double ret = (Double) call.invoke(new Object[] { new Double(salary) });// 执行调用
System.out.println("使用HTTP协议来作为Web服务的传输协议!");
System.out.println("已经成功调用。请参看服务端的输出!");
System.out.println("输入工资" + salary + "元,应交个人所得税:" + ret);
} catch (Exception e) {
e.printStackTrace();
}
}
}
测试:
1、访问:http://localhost:8080/axis/services,将列出web服务列表
点击PersonalTaxService 的wsdl链接地址,验证一下会不会提示要输入用户名和密码。