cxf構建webservice的兩種方式

本文轉載自查看原文 2015-01-17 14:40 10409 cxf/ wsdl/ 代碼優先/ 契約優先/ webservice

一、簡介

　　對於基於soap傳輸協議的webservice有兩種開發模式，代碼優先和契約優先的模式。代碼優先的模式是通過編寫服務器端的代碼，使用代碼生成wsdl；契約優先模式首先編寫wsdl，再通過wsdl生成服務器端的代碼。對於代碼優先的模式在使用cxf構建webservice 一文中已經做出介紹，這里主要介紹第二種方式。

二、wsdl文件結束

　　一般wsdl文件結構如下：

<?xml version='1.0' encoding='UTF-8'?>
<wsdl:definitions xmlns:xsd="http://www.w3.org/2001/XMLSchema"
    xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/" xmlns:tns="http://testauto.cxf.com/"
    xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:ns1="http://schemas.xmlsoap.org/soap/http"
    name="MyServiceImplService" targetNamespace="http://testauto.cxf.com/">

    <!-- 元素和元素類型 -->
    <wsdl:types>
        <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
            xmlns:tns="http://testauto.cxf.com/" elementFormDefault="unqualified"
            targetNamespace="http://testauto.cxf.com/" version="1.0">

            <xs:element name="sayHello" type="tns:sayHello" />
            <xs:element name="sayHelloResponse" type="tns:sayHelloResponse" />

            <xs:complexType name="sayHello">
                <xs:sequence>
                    <xs:element minOccurs="0" name="arg0" type="xs:string" />
                    <xs:element minOccurs="0" name="arg1" type="xs:string" />
                    <xs:element minOccurs="0" name="arg2" type="xs:string" />
                </xs:sequence>
            </xs:complexType>

            <xs:complexType name="sayHelloResponse">
                <xs:sequence>
                    <xs:element minOccurs="0" name="return" type="xs:string" />
                </xs:sequence>
            </xs:complexType>

        </xs:schema>
    </wsdl:types>
    
    <!-- message -->
    <wsdl:message name="sayHelloResponse">
        <wsdl:part element="tns:sayHelloResponse" name="parameters">
        </wsdl:part>
    </wsdl:message>
    <wsdl:message name="sayHello">
        <wsdl:part element="tns:sayHello" name="parameters">
        </wsdl:part>
    </wsdl:message>
  
    <!-- operation -->  
    <wsdl:portType name="MyService">
        <wsdl:operation name="sayHello">
            <wsdl:input message="tns:sayHello" name="sayHello">
            </wsdl:input>
            <wsdl:output message="tns:sayHelloResponse" name="sayHelloResponse">
            </wsdl:output>
        </wsdl:operation>
    </wsdl:portType>
    
    <!-- binding  -->
    <wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService">
        <soap:binding style="document"
            transport="http://schemas.xmlsoap.org/soap/http" />
        <wsdl:operation name="sayHello">
            <soap:operation soapAction="" style="document" />
            <wsdl:input name="sayHello">
                <soap:body use="literal" />
            </wsdl:input>
            <wsdl:output name="sayHelloResponse">
                <soap:body use="literal" />
            </wsdl:output>
        </wsdl:operation>
    </wsdl:binding>
    
    <wsdl:service name="MyServiceImplService">
        <wsdl:port binding="tns:MyServiceImplServiceSoapBinding"
            name="MyServiceImplPort">
            <soap:address location="http://localhost:9000/myservice" />
        </wsdl:port>
    </wsdl:service>
</wsdl:definitions>

　　對於根元素中的xmlns與targetNamespace是包名的反轉，name為實現類的名稱。其他的屬性都是固定的。

　　<wsdl:types> 中主要定義元素和元素的類型。一般對於一個接口來說，參數的整體作為一個輸入元素類型，接口的返回值也是作為一個輸出的元素類型。

　　<wsdl:message > 主要定義接口的請求和響應消息。<wsdl:part>中的element屬性使用到了<wsdl:types> 中定義的元素。

　　<wsdl:portType name="MyService"> 主要定義了接口的操作,name表示接口的名稱；<wsdl:operation name="sayHello">定義了具體的方法，name為方法的名稱。子元素input和output使用到了message元素。

　　 <wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService"> type為wsdl:portType中的那么值；name為我們自己定義的。子元素<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />是固定的。 <wsdl:operation name="sayHello">中子元素input和outputname和operation中子元素的name一直。

　　<wsdl:service name="MyServiceImplService">定義了綁定的信息，<wsdl:port binding="tns:MyServiceImplServiceSoapBinding">type就是綁定的時候定義的name，子元素address為定義的地址；增加接口的時候不需要更改。

　　wsdl是一個基於schema的xml文件，通過這個文件我們可以定義出接口的名稱，參數類型，返回值等信息，也可以同該文件生成客戶端和服務器端代碼。

三、wsdl的各種返回類型

　　1、返回列表類型

　　對應於 List<Student> getStudentsByAge(int age) 方法，wsdl相關定義如下：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://testauto.cxf.com/" elementFormDefault="unqualified"  targetNamespace="http://testauto.cxf.com/" version="1.0">
        <xsd:element name="getStudentsByAgeRequest" type="tns:AgetType"></xsd:element>
        <xsd:element name="getStudentsByAgeResponse" type="tns:StudentsType"></xsd:element>
    </xs:schema>
</wsdl:types>

<xsd:complexType name="AgetType">
    <xsd:sequence>
        <xsd:element name="age" type="xsd:int"></xsd:element>
    </xsd:sequence>
</xsd:complexType>
                
<xsd:complexType name="StudentsType">
    <xsd:sequence>
        <xsd:element name="students" minOccurs="0" maxOccurs="unbounded" type="tns:StudentType"></xsd:element> <!-- 元素出現的次數為0-無限多次 -->
    </xsd:sequence>
</xsd:complexType>

<xsd:complexType name="StudentType">
    <xsd:sequence>
        <xsd:element name="id" type="xsd:int"></xsd:element>
        <xsd:element name="name" type="xsd:string"></xsd:element> 
    </xsd:sequence>
</xsd:complexType>

<!-- message -->
<wsdl:message name="getStudentsByAgeRequest">
    <wsdl:part name="parameters" element="tns:getStudentsByAgeRequest"></wsdl:part>
</wsdl:message>
<wsdl:message name="getStudentsByAgeResponse" >
    <wsdl:part name="parameters" element="tns:getStudentsByAgeResponse"></wsdl:part>
</wsdl:message>

<!-- operation -->
<wsdl:portType name="MyService"> 
    <wsdl:operation name="getStudentsByAge">
        <wsdl:input message="tns:getStudentsByAgeRequest" name="getStudentsByAgeRequest"></wsdl:input>
        <wsdl:output message="tns:getStudentsByAgeResponse" name="getStudentsByAgeResponse"></wsdl:output>
    </wsdl:operation> 
</wsdl:portType>


<!-- binding  info  -->
<wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService"> 
    <wsdl:operation name="getStudentsByAge">
        <soap:operation soapAction="" style="document"/>
        <wsdl:input name="getStudentsByAgeRequest">
            <soap:body use="literal"/>
        </wsdl:input>
        <wsdl:output name="getStudentsByAgeResponse">
            <soap:body use="literal"/>
        </wsdl:output>
    </wsdl:operation> 
</wsdl:binding>

　　在MyServiceImplPortImpl中的實現方法，可以做如下類似實現

public com.cxf.test.StudentsType getStudentsByAge(AgetType parameters) { 
        LOG.info("Executing operation getStudentsByAge");
        System.out.println(parameters);
        try {
            System.out.println("getStudentsByAge invoked!");
            System.out.println("gae : " + parameters.getAge());
            com.cxf.test.StudentsType students =  new StudentsType();
            StudentType stu1 = new StudentType();
            stu1.setName("zhangsan1");
            
            StudentType stu2 = new StudentType();
            stu1.setName("zhangsan2");
            
            students.getStudents().add(stu1);
            students.getStudents().add(stu2);
            
            return students;
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

　　2、voide 無返回值類型

　　對應於 void deleteById(int id) 方法，wsdl相關定義如下：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="http://testauto.cxf.com/" elementFormDefault="unqualified"
        targetNamespace="http://testauto.cxf.com/" version="1.0">

        <xsd:element name="deleteByIdRequest" type="tns:IdType"></xsd:element>
        <xsd:element name="deleteByIdResponse">
            <xsd:complexType>
                <xsd:sequence></xsd:sequence>
            </xsd:complexType>
        </xsd:element>
        <xsd:complexType name="IdType">
            <xsd:sequence>
                <xsd:element name="id" type="xsd:int"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

    </xs:schema>
</wsdl:types>

<!-- message -->
<wsdl:message name="deleteByIdRequest">
    <wsdl:part name="parameters" element="tns:deleteByIdRequest"></wsdl:part>
</wsdl:message>
<wsdl:message name="deleteByIdResponse">
    <wsdl:part name="parameters" element="tns:deleteByIdResponse"></wsdl:part>
</wsdl:message>

<!-- operation -->
<wsdl:portType name="MyService">
    <wsdl:operation name="deleteById">
        <wsdl:input message="tns:deleteByIdRequest" name="deleteByIdRequest"></wsdl:input>
        <wsdl:output message="tns:deleteByIdResponse" name="deleteByIdResponse"></wsdl:output>
    </wsdl:operation>
</wsdl:portType>

<!-- binding info -->
<wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService">
    <wsdl:operation name="deleteById">
        <soap:operation soapAction="" style="document" />
        <wsdl:input name="deleteByIdRequest">
            <soap:body use="literal" />
        </wsdl:input>
        <wsdl:output name="deleteByIdResponse">
            <soap:body use="literal" />
        </wsdl:output>
    </wsdl:operation>
</wsdl:binding>

　　此時我們可以將生成的deleteById方法的返回類型改成void，需要同時修改接口和實現類。如：
　　MyService 接口中的方法

 @SOAPBinding(parameterStyle = SOAPBinding.ParameterStyle.BARE)
    @WebResult(name = "deleteByIdResponse", targetNamespace = "http://test.cxf.com/", partName = "parameters")
    @WebMethod
    public void deleteById(
        @WebParam(partName = "parameters", name = "deleteByIdRequest", targetNamespace = "http://test.cxf.com/")
        IdType parameters
    );

　　MyServiceImplPortImpl類中的方法

 public void deleteById(IdType parameters) { 
        LOG.info("Executing operation deleteById");
        System.out.println(parameters);
        try {
            
            System.out.println(parameters.getId());
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

　　3、返回枚舉類型

　　枚舉為：enum{TEACHER, STUDENT, PRESIDENT} ；對應的方法為：enum getRoleById(int id)，wsdl定義如下：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="http://testauto.cxf.com/" elementFormDefault="unqualified"
        targetNamespace="http://testauto.cxf.com/" version="1.0">

        <xsd:element name="getRoleByIdRequest" type="tns:IdType"></xsd:element>
        <xsd:element name="getRoleByIdResponse" type="tns:RoleType"></xsd:element>
        <xsd:complexType name="IdType">
            <xsd:sequence>
                <xsd:element name="id" type="xsd:int"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>
        <xsd:simpleType name="RoleType">
            <xsd:restriction base="xs:string">
                <xsd:enumeration value="STUDENT"></xsd:enumeration>
                <xsd:enumeration value="TEACHER"></xsd:enumeration>
                <xsd:enumeration value="PRESIDENT"></xsd:enumeration>
            </xsd:restriction>
        </xsd:simpleType>

    </xs:schema>
</wsdl:types>

<!-- message -->
<wsdl:message name="getRoleByIdRequest">
    <wsdl:part name="parameters" element="tns:getRoleByIdRequest"></wsdl:part>
</wsdl:message>
<wsdl:message name="getRoleByIdResponse">
    <wsdl:part name="paramters" element="tns:getRoleByIdResponse"></wsdl:part>
</wsdl:message>

<!-- operation -->
<wsdl:portType name="MyService">
    <wsdl:operation name="getRoleById">
        <wsdl:input message="tns:getRoleByIdRequest" name="getRoleByIdRequest"></wsdl:input>
        <wsdl:output message="tns:getRoleByIdResponse" name="getRoleByIdResponse"></wsdl:output>
    </wsdl:operation>
</wsdl:portType>

<!-- binding info -->
<wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="getRoleById">
        <soap:operation soapAction="" style="document" />
        <wsdl:input name="getRoleByIdRequest">
            <soap:body use="literal" />
        </wsdl:input>
        <wsdl:output name="getRoleByIdResponse">
            <soap:body use="literal" />
        </wsdl:output>
    </wsdl:operation>
</wsdl:binding>

　　在MyServiceImplPortImpl中的實現方法，可以做如下類似實現

 public com.cxf.test.RoleType getRoleById(IdType parameters) { 
        LOG.info("Executing operation getRoleById");
        System.out.println(parameters);
        try {
            System.out.println("id: " + parameters.getId());
            com.cxf.test.RoleType roleType = RoleType.PRESIDENT;
            return roleType;
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

　　4、返回嵌套的對象類型

　　嵌套對象結構如下

Student{
　　int id;
　　String name;
　　Date date;
　　Teacher teacher;
}
Teacher{
　　String name;
　　Boss boss;
}

Boss{
　　String name;
　　Parent parent;
}

Parent{
　　String name;
}

　　對於的方法為：Student getStudentById(int studentId)，wsdl文件如下：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="http://testauto.cxf.com/" elementFormDefault="unqualified"
        targetNamespace="http://testauto.cxf.com/" version="1.0">

        <xsd:element name="getStudentByIdRequest" type="tns:StudentIdType"></xsd:element>
        <xsd:element name="getStudentByIdResponse" type="tns:StudentType"></xsd:element>

        <xsd:complexType name="StudentIdType">
            <xsd:sequence>
                <xsd:element name="id" type="xsd:int"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

        <xsd:complexType name="StudentType">
            <xsd:sequence>
                <xsd:element name="id" type="xsd:int"></xsd:element>
                <xsd:element name="name" type="xsd:string"></xsd:element>
                <xsd:element name="date" type="xsd:date"></xsd:element>
                <xsd:element name="teacher" type="tns:TeacherType"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

        <xsd:complexType name="TeacherType">
            <xsd:sequence>
                <xsd:element name="name" type="xsd:string"></xsd:element>
                <xsd:element name="boss" type="tns:BossType"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

        <xsd:complexType name="BossType">
            <xsd:sequence>
                <xsd:element name="name" type="xsd:string"></xsd:element>
                <xsd:element name="parent" type="tns:ParentType"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

        <xsd:complexType name="ParentType">
            <xsd:sequence>
                <xsd:element name="name" type="xsd:string"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

    </xs:schema>
</wsdl:types>

<!-- message -->
<wsdl:message name="getStudentByIdRequest">
    <wsdl:part name="parameters" element="tns:getStudentByIdRequest"></wsdl:part>
</wsdl:message>
<wsdl:message name="getStudentByIdResponse">
    <wsdl:part name="parameters" element="tns:getStudentByIdResponse"></wsdl:part>
</wsdl:message>

<!-- operation -->
<wsdl:portType name="MyService">
    <wsdl:operation name="getStudentById">
        <wsdl:input message="tns:getStudentByIdRequest" name="getStudentByIdRequest"></wsdl:input>
        <wsdl:output message="tns:getStudentByIdResponse" name="getStudentByIdResponse"></wsdl:output>
    </wsdl:operation>
</wsdl:portType>

<!-- binding info -->
<wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="getStudentById">
        <soap:operation soapAction="" style="document" />
        <wsdl:input name="getStudentByIdRequest">
            <soap:body use="literal" />
        </wsdl:input>
        <wsdl:output name="getStudentByIdResponse">
            <soap:body use="literal" />
        </wsdl:output>
    </wsdl:operation>
</wsdl:binding>

　　在MyServiceImplPortImpl中的實現方法，可以做如下類似實現

public com.cxf.test.StudentType getStudentById(StudentIdType parameters) { 
        LOG.info("Executing operation getStudentById");
        System.out.println(parameters);
        try {
            ParentType parentType = new ParentType();
            parentType.setName("lisi");
            
            BossType bossType = new BossType();
            bossType.setName("boss");
            bossType.setParent(parentType);
            
            TeacherType teacherType = new TeacherType();
            teacherType.setName("teacher");
            teacherType.setBoss(bossType);
            
            com.cxf.test.StudentType student = new StudentType();
            student.setId(parameters.getId());
            student.setName("zhangsan");
            student.setDate(getGregorianCalendar(new Date()));
            student.setTeacher(teacherType);
            
            return student;
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

 private XMLGregorianCalendar getGregorianCalendar(Date date){
        GregorianCalendar gc = new GregorianCalendar();
        gc.setTime(date);
        XMLGregorianCalendar calendar = new com.sun.org.apache.xerces.internal.jaxp.datatype.XMLGregorianCalendarImpl(gc);
        return calendar;
    }

　　客戶端調用的時候

 com.cxf.test.StudentIdType id = new StudentIdType();
 id.setId(11111);
 com.cxf.test.StudentType student = port.getStudentById(id);
 System.out.println(student.getId());
 System.out.println(student.getName());
 System.out.println(student.getDate()); 
 System.out.println(student.getTeacher().getBoss().getParent().getName());

　　5、文件上傳

　　boolean upload(File file ),wsdl文件如下：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="http://test.cxf.com/" elementFormDefault="unqualified"
        targetNamespace="http://test.cxf.com/" version="1.0">
        <xsd:element name="uploadRequest" type="tns:FileType"></xsd:element>
        <xsd:element name="uploadResponse" type="tns:booleanType"></xsd:element>
        <xsd:complexType name="booleanType">
            <xsd:sequence>
                <xsd:element name="result" type="xsd:boolean"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>
        <xsd:complexType name="FileType">
            <xsd:sequence>
                <xsd:element name="fileContent" type="xsd:base64Binary"></xsd:element> <!-- 文件類型 -->
            </xsd:sequence>
        </xsd:complexType>

    </xs:schema>
</wsdl:types>

<!-- message -->
<wsdl:message name="uploadRequest">
    <wsdl:part name="parameters" element="tns:uploadRequest"></wsdl:part>
</wsdl:message>
<wsdl:message name="uploadResponse">
    <wsdl:part name="parameters" element="tns:uploadResponse"></wsdl:part>
</wsdl:message>

<!-- operation -->
<wsdl:portType name="MyService">
    <wsdl:operation name="upload">
        <wsdl:input message="tns:uploadRequest" name="uploadRequest"></wsdl:input>
        <wsdl:output message="tns:uploadResponse" name="uploadResponse"></wsdl:output>
    </wsdl:operation>
</wsdl:portType>

<!-- binding info -->
<wsdl:binding name="MyServiceImplServiceSoapBinding" type="tns:MyService">
    <soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http" />
    <wsdl:operation name="upload">
        <soap:operation soapAction="" style="document" />
        <wsdl:input name="uploadRequest">
            <soap:body use="literal" />
        </wsdl:input>
        <wsdl:output name="uploadResponse">
            <soap:body use="literal" />
        </wsdl:output>
    </wsdl:operation>
</wsdl:binding>

　　接口實現類如下：

 public com.cxf.test.BooleanType upload(FileType parameters) { 
        LOG.info("Executing operation upload");
        System.out.println(parameters);
        try {
            byte[] buffer = parameters.getFileContent();
            OutputStream os = new FileOutputStream(new File("test2.txt"));
            os.write(buffer);
            os.close();
            
            com.cxf.test.BooleanType result = new BooleanType();
            result.setFilename(true);
            return result;
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

　　客戶端調用如下：

 System.out.println("Invoking upload...");
 com.cxf.test.FileType data = new FileType();
 InputStream is = new FileInputStream(new File("c:/apache-cxf-3.0.3.zip"));
 byte[] buffer = new byte[is.available()];
 is.read(buffer);
 data.setFileContent(buffer);
 com.cxf.test.BooleanType result = port.upload(data);
 System.out.println(result.isResult());

　　這種上傳方式有些缺陷，當文件達到一定大小的時候，就會報java.lang.OutOfMemoryError: Java heap space異常。因為這種方式是一次性讀取文件，將文件發送給服務器的。

6、使用MTOM文件上傳

　　這種方法可以解決普通上傳遇到的問題。使用MTO上傳需要在wsdl定義元素部分添加 xmlns:xmime="http://www.w3.org/2005/05/xmlmime"

命名空間，element添加屬性xmime:expectedContentTypes="application/octet-stream"其他部分與普通上傳一樣。如下所示：

<wsdl:types>
    <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
        xmlns:tns="http://test.cxf.com/" elementFormDefault="unqualified"
        xmlns:xmime="http://www.w3.org/2005/05/xmlmime" targetNamespace="http://test.cxf.com/"
        version="1.0"> <!--  添加xmlns:xmime 元素 -->

        <xsd:element name="uploadRequest" type="tns:FileType"></xsd:element>
        <xsd:element name="uploadResponse" type="tns:booleanType"></xsd:element>
        <xsd:complexType name="booleanType">
            <xsd:sequence>
                <xsd:element name="result" type="xsd:boolean"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

        <xsd:complexType name="FileType">
            <xsd:sequence>
                <!-- 添加xmime:expectedContentTypes="application/octet- -->
                <xsd:element name="fileContent" type="xsd:base64Binary"
                    xmime:expectedContentTypes="application/octet-stream"></xsd:element>
            </xsd:sequence>
        </xsd:complexType>

    </xs:schema>
</wsdl:types>

　　使用MTOM需要服務端和客戶端都需要開啟MTOM

　　服務端開啟MTOM代碼如下：

 protected MyService_MyServiceImplPort_Server() throws java.lang.Exception {
        System.out.println("Starting Server");
        Object implementor = new MyServiceImplPortImpl();
        String address = "http://localhost:9000/myservice";
        javax.xml.ws.Endpoint endPoint = javax.xml.ws.Endpoint.publish(address, implementor);
        
        //服務器端開啟MTOM
        javax.xml.ws.soap.SOAPBinding binding = (javax.xml.ws.soap.SOAPBinding)endPoint.getBinding();
        binding.setMTOMEnabled(true);
    }

　　接口的實現

public com.cxf.test.BooleanType upload(FileType parameters) { 
        LOG.info("Executing operation upload");
        System.out.println(parameters);
        try {
            
            javax.activation.DataHandler dataHandler = parameters.getFileContent();

            //獲取文件輸入流
            InputStream is = dataHandler.getInputStream();
            
            //獲取輸出流
            OutputStream os = new FileOutputStream(new File("c:/apache-cxf-3.0.3.zip.back"));
            
            //進行文件保存
            int length = 0;
            byte[] buffer = new byte[1024];
            while(-1 != (length = is.read(buffer))){
                os.write(buffer, 0, length);
            }
            
            os.close();
            is.close();
            
            com.cxf.test.BooleanType result = new BooleanType();
            result.setResult(true);
            return result;
        } catch (java.lang.Exception ex) {
            ex.printStackTrace();
            throw new RuntimeException(ex);
        }
    }

　　客戶端的調用

MyService port = ss.getMyServiceImplPort();

// 客戶端開啟MTOM
javax.xml.ws.Binding binding = ((javax.xml.ws.BindingProvider)
port).getBinding();
((javax.xml.ws.soap.SOAPBinding)
binding).setMTOMEnabled(true);
System.out.println("Invoking upload...");

//構造數據
DataSource ds = new FileDataSource(new File("c:/apache-cxf-3.0.3.zip"));

com.cxf.test.FileType data = new FileType();
data.setFileContent(new DataHandler(ds));

//調用接口
com.cxf.test.BooleanType result = port.upload(data);
System.out.println(result.isResult());

四、使用wsdl生成代碼

　　將的bin目錄添加到系統環境變量path中，如（C:\apache-cxf-3.0.3\bin）。運行cmd，運行如下命令生成代碼：

wsdl2java -all -impl -frontend jaxws21 -encoding utf8  c:/myservice.wsdl   #生成java服務器端和客戶端代碼,並生成實現類。

　　表示使用wsdl生成java代碼，-all表示同時生成客戶端和服務器端代碼； -frontend jaxws21表示表示兼容jaxs 2.1版本；-encoding utf8 表示代碼的編碼格式為utf8；c:/myservice.wsdl 表示wsdl文件的地址，也可以是一個網絡上的地址。其他命令如下：

wsdl2java -server -impl -frontend jaxws21 -encoding utf8  c:/myservice.wsdl   生成java服務器端代碼,並生成實現類。
wsdl2java -client -frontend jaxws21 c:/myservice.xml 生成java客戶端代碼

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