Spring WS - Aplikasi Pertama

Mari kita mulai menulis layanan web berbasis SOAP yang sebenarnya dengan Spring-WS Framework. Sebelum kita mulai menulis contoh pertama kita menggunakan kerangka kerja Spring-WS, kita harus memastikan bahwa lingkungan Spring-WS diatur dengan benar seperti yang dijelaskan dalam bab Spring Web Services - Environment Setup . Kami berasumsi bahwa pembaca memiliki pengetahuan dasar tentang Eclipse IDE.

Oleh karena itu, mari kita lanjutkan untuk menulis Aplikasi Spring WS sederhana yang akan menampilkan metode layanan web untuk memesan cuti di Portal SDM.

Pendekatan Kontrak-pertama

Spring-WS menggunakan pendekatan Kontrak-dulu, yang berarti kita harus memiliki XML Structuressiap sebelum menulis kode implementasi berbasis JAVA. Kami mendefinisikan Objek LeaveRequest, yang memiliki sub-objek - Cuti dan Karyawan.

Berikut adalah konstruksi XML yang diperlukan -

Leave.xml

<Leave xmlns = "http://tutorialspoint.com/hr/schemas">
   <StartDate>2016-07-03</StartDate>
   <EndDate>2016-07-07</EndDate>
</Leave>

Employee.xml

<Employee xmlns = "http://tutorialspoint.com/hr/schemas">
   <Number>404</Number>
   <FirstName>Mahesh</FirstName>
   <LastName>Parashar</LastName>
</Employee>

LeaveRequest.xml

<LeaveRequest xmlns = "http://tutorialspoint.com/hr/schemas">
   <Leave>
      <StartDate>2016-07-03</StartDate>
      <EndDate>2016-07-07</EndDate>
   </Leave>
   
   <Employee>
      <Number>404</Number>
      <FirstName>Mahesh</FirstName>
      <LastName>Parashar</LastName>
   </Employee>
</LeaveRequest>

hr.xsd

<xs:schema xmlns:xs = "http://www.w3.org/2001/XMLSchema"
   xmlns:hr = "http://tutorialspoint.com/hr/schemas"
   elementFormDefault = "qualified"
   targetNamespace = "http://tutorialspoint.com/hr/schemas">
   
   <xs:element name = "LeaveRequest">
      <xs:complexType>
         <xs:all>
            <xs:element name = "Leave" type = "hr:LeaveType"/>
            <xs:element name = "Employee" type = "hr:EmployeeType"/>
         </xs:all>
      </xs:complexType>
   </xs:element>
   
   <xs:complexType name = "LeaveType">
      <xs:sequence>
         <xs:element name = "StartDate" type = "xs:date"/>
         <xs:element name = "EndDate" type = "xs:date"/>
      </xs:sequence>
   </xs:complexType>
   
   <xs:complexType name = "EmployeeType">
      <xs:sequence>
         <xs:element name = "Number" type = "xs:integer"/>
         <xs:element name = "FirstName" type = "xs:string"/>
         <xs:element name = "LastName" type = "xs:string"/>
      </xs:sequence>
   </xs:complexType>
</xs:schema>

Buat Proyek

Sekarang mari kita buka konsol perintah, buka direktori C: \ MVN dan jalankan perintah berikut mvn perintah.

C:\MVN>mvn archetype:generate -DarchetypeGroupId = org.springframework.ws
-DarchetypeArtifactId = spring-ws-archetype -DgroupId = com.tutorialspoint.hr
-DartifactId = leaveService

Maven akan mulai memproses dan membuat Struktur Proyek Aplikasi Java yang lengkap.

[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building Maven Stub Project (No POM) 1
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] Using property: groupId = com.tutorialspoint.hr
[INFO] Using property: artifactId = leaveService
Define value for property 'version':  1.0-SNAPSHOT: :
[INFO] Using property: package = com.tutorialspoint.hr
Confirm properties configuration:
groupId: com.tutorialspoint.hr
artifactId: leaveService
version: 1.0-SNAPSHOT
package: com.tutorialspoint.hr
 Y: :
[INFO] -------------------------------------------------------------------------
---
[INFO] Using following parameters for creating project from Old (1.x) Archetype:
 spring-ws-archetype:2.0.0-M1
[INFO] -------------------------------------------------------------------------
---
[INFO] Parameter: groupId, Value: com.tutorialspoint.hr
[INFO] Parameter: packageName, Value: com.tutorialspoint.hr
[INFO] Parameter: package, Value: com.tutorialspoint.hr
[INFO] Parameter: artifactId, Value: leaveService
[INFO] Parameter: basedir, Value: C:\mvn
[INFO] Parameter: version, Value: 1.0-SNAPSHOT
[INFO] project created from Old (1.x) Archetype in dir: C:\mvn\leaveService
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 35.989 s
[INFO] Finished at: 2017-01-21T11:18:31+05:30
[INFO] Final Memory: 17M/178M
[INFO] ------------------------------------------------------------------------

Sekarang pergi ke C:/MVNdirektori. Kita akan melihat proyek aplikasi java dibuat bernamaleaveService(seperti yang ditentukan dalam artifactId). Perbarui pom.xml dan tambahkan folder HumanResourceService.java dan HumanResourceServiceImpl.java di folder berikut - C: \ MVN \ leaveService \ src \ main \ java \ com \ tutorialspoint \ hr \ service folder. Setelah selesai, tambahkan LeaveEndpoint.java di folder berikut - C: \ MVN \ leaveService \ src \ main \ java \ com \ tutorialspoint \ hr \ ws folder.

pom.xml

<?xml version = "1.0" encoding = "UTF-8"?>
<project xmlns = "http://maven.apache.org/POM/4.0.0" 
   xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation = "http://maven.apache.org/POM/4.0.0 
   http://maven.apache.org/maven-v4_0_0.xsd">
   
   <modelVersion>4.0.0</modelVersion>
   <groupId>com.tutorialspoint.hr</groupId>
   <artifactId>leaveService</artifactId>
   <packaging>war</packaging>
   <version>1.0-SNAPSHOT</version>
   <name>leaveService Spring-WS Application</name>
   <url>http://www.springframework.org/spring-ws</url>
   
   <build>
      <finalName>leaveService</finalName>
   </build>
   
   <dependencies>
      <dependency>
         <groupId>org.springframework.ws</groupId>
         <artifactId>spring-ws-core</artifactId>
         <version>2.4.0.RELEASE</version>
      </dependency>
      
      <dependency>
         <groupId>jdom</groupId>
         <artifactId>jdom</artifactId>
         <version>1.0</version>
      </dependency>
      
      <dependency>
         <groupId>jaxen</groupId>
         <artifactId>jaxen</artifactId>
         <version>1.1</version>
      </dependency>
      
      <dependency>
         <groupId>wsdl4j</groupId>
         <artifactId>wsdl4j</artifactId>
         <version>1.6.2</version>
      </dependency>
   </dependencies>
</project>

HumanResourceService.java

package com.tutorialspoint.hr.service;

import java.util.Date;

public interface HumanResourceService {
   void bookLeave(Date startDate, Date endDate, String name);
}

HumanResourceServiceImpl.java

package com.tutorialspoint.hr.service;

import java.util.Date;
import org.springframework.stereotype.Service;

@Service
public class HumanResourceServiceImpl implements HumanResourceService {
   public void bookLeave(Date startDate, Date endDate, String name) {
      System.out.println("Booking holiday for [" + startDate + "-" + endDate + "]
         for [" + name + "] ");
   }
}

LeaveEndpoint.java

package com.tutorialspoint.hr.ws;

import java.text.SimpleDateFormat;
import java.util.Date;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.ws.server.endpoint.annotation.Endpoint;
import org.springframework.ws.server.endpoint.annotation.PayloadRoot;
import org.springframework.ws.server.endpoint.annotation.RequestPayload;

import com.tutorialspoint.hr.service.HumanResourceService;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.Namespace;
import org.jdom.xpath.XPath;

@Endpoint
public class LeaveEndpoint {
   private static final String NAMESPACE_URI = "http://tutorialspoint.com/hr/schemas";
   private XPath startDateExpression;
   private XPath endDateExpression;
   private XPath nameExpression;
   private HumanResourceService humanResourceService;

   @Autowired
   public LeaveEndpoint(HumanResourceService humanResourceService) throws JDOMException {
      this.humanResourceService = humanResourceService;

      Namespace namespace = Namespace.getNamespace("hr", NAMESPACE_URI);

      startDateExpression = XPath.newInstance("//hr:StartDate");
      startDateExpression.addNamespace(namespace);

      endDateExpression = XPath.newInstance("//hr:EndDate");
      endDateExpression.addNamespace(namespace);

      nameExpression = XPath.newInstance("concat(//hr:FirstName,' ',//hr:LastName)");
      nameExpression.addNamespace(namespace);
   }

   @PayloadRoot(namespace = NAMESPACE_URI, localPart = "LeaveRequest")                  
   public void handleLeaveRequest(@RequestPayload Element leaveRequest) throws Exception {
      SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
      Date startDate = dateFormat.parse(startDateExpression.valueOf(leaveRequest));
      Date endDate = dateFormat.parse(endDateExpression.valueOf(leaveRequest));
      String name = nameExpression.valueOf(leaveRequest);

      humanResourceService.bookLeave(startDate, endDate, name);
   }
}

/WEB-INF/spring-ws-servlet.xml

<beans xmlns = "http://www.springframework.org/schema/beans"
   xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
   xmlns:context = "http://www.springframework.org/schema/context"
   xmlns:sws = "http://www.springframework.org/schema/web-services"
   xsi:schemaLocation = "http://www.springframework.org/schema/beans
   
   http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
   http://www.springframework.org/schema/web-services
   http://www.springframework.org/schema/web-services/web-services-2.0.xsd
   http://www.springframework.org/schema/context 
   http://www.springframework.org/schema/context/spring-context-3.0.xsd">

   <context:component-scan base-package = "com.tutorialspoint.hr"/>
   <bean id = "humanResourceService"
      class = "com.tutorialspoint.hr.service.HumanResourceServiceImpl" />
   <sws:annotation-driven/>

   <sws:dynamic-wsdl id = "leave"
      portTypeName = "HumanResource"
      locationUri = "/leaveService/"
      targetNamespace = "http://tutorialspoint.com/hr/definitions">
      <sws:xsd location = "/WEB-INF/hr.xsd"/>
   </sws:dynamic-wsdl>
</beans>

/WEB-INF/web.xml

<web-app xmlns = "http://java.sun.com/xml/ns/j2ee"
   xmlns:xsi = "http://www.w3.org/2001/XMLSchema-instance"
   xsi:schemaLocation = "http://java.sun.com/xml/ns/j2ee
   http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"
   version = "2.4">

   <display-name>TutorialsPoint HR Leave Service</display-name>
   <servlet>
      <servlet-name>spring-ws</servlet-name>
      <servlet-class>
         org.springframework.ws.transport.http.MessageDispatcherServlet
      </servlet-class>
      <init-param>
         <param-name>transformWsdlLocations</param-name>
         <param-value>true</param-value>
      </init-param>
   </servlet>

   <servlet-mapping>
      <servlet-name>spring-ws</servlet-name>
      <url-pattern>/*</url-pattern>
   </servlet-mapping>
</web-app>

/WEB-INF/hr.xsd

<xs:schema xmlns:xs = "http://www.w3.org/2001/XMLSchema"
   xmlns:hr = "http://tutorialspoint.com/hr/schemas"
   elementFormDefault = "qualified"
   targetNamespace = "http://tutorialspoint.com/hr/schemas">

   <xs:element name = "LeaveRequest">
      <xs:complexType>
         <xs:all>
            <xs:element name = "Leave" type = "hr:LeaveType"/>
            <xs:element name = "Employee" type = "hr:EmployeeType"/>
         </xs:all>
      </xs:complexType>
   </xs:element>

   <xs:complexType name = "LeaveType">
      <xs:sequence>
         <xs:element name = "StartDate" type = "xs:date"/>
         <xs:element name = "EndDate" type = "xs:date"/>
      </xs:sequence>
   </xs:complexType>

   <xs:complexType name = "EmployeeType">
      <xs:sequence>
         <xs:element name = "Number" type = "xs:integer"/>
         <xs:element name = "FirstName" type = "xs:string"/>
         <xs:element name = "LastName" type = "xs:string"/>
      </xs:sequence>
   </xs:complexType>
</xs:schema>

Bangun Proyek

Sekarang mari kita buka konsol perintah, buka direktori C: \ MVN \ leaveService dan jalankan perintah berikut mvn perintah.

C:\MVN\leaveService>mvn clean package

Maven akan mulai membangun proyek tersebut.

[INFO] Scanning for projects...
[INFO]
[INFO] ------------------------------------------------------------------------
[INFO] Building leaveService Spring-WS Application 1.0-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO]
[INFO] --- maven-clean-plugin:2.5:clean (default-clean) @ leaveService ---
[INFO] Deleting C:\mvn\leaveService\target
[INFO]
[INFO] --- maven-resources-plugin:2.6:resources (default-resources) @ leaveServi
ce ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources,
i.e. build is platform dependent!
[INFO] Copying 0 resource
[INFO]
[INFO] --- maven-compiler-plugin:3.1:compile (default-compile) @ leaveService --
-
[INFO] Changes detected - recompiling the module!
[WARNING] File encoding has not been set, using platform encoding Cp1252, i.e. b
uild is platform dependent!
[INFO] Compiling 3 source files to C:\mvn\leaveService\target\classes
[INFO]
[INFO] --- maven-resources-plugin:2.6:testResources (default-testResources) @ le
aveService ---
[WARNING] Using platform encoding (Cp1252 actually) to copy filtered resources,
i.e. build is platform dependent!
[INFO] skip non existing resourceDirectory C:\mvn\leaveService\src\test\resource
s
[INFO]
[INFO] --- maven-compiler-plugin:3.1:testCompile (default-testCompile) @ leaveSe
rvice ---
[INFO] No sources to compile
[INFO]
[INFO] --- maven-surefire-plugin:2.12.4:test (default-test) @ leaveService ---
[INFO] No tests to run.
[INFO]
[INFO] --- maven-war-plugin:2.2:war (default-war) @ leaveService ---
[INFO] Packaging webapp
[INFO] Assembling webapp [leaveService] in [C:\mvn\leaveService\target\leaveServ
ice]
[INFO] Processing war project
[INFO] Copying webapp resources [C:\mvn\leaveService\src\main\webapp]
[INFO] Webapp assembled in [7159 msecs]
[INFO] Building war: C:\mvn\leaveService\target\leaveService.war
[INFO] WEB-INF\web.xml already added, skipping
[INFO] ------------------------------------------------------------------------
[INFO] BUILD SUCCESS
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 19.667 s
[INFO] Finished at: 2017-01-21T11:56:43+05:30
[INFO] Final Memory: 18M/173M
[INFO] ------------------------------------------------------------------------

Proyek Impor di Eclipse

Ikuti langkah-langkah yang diberikan di bawah ini untuk mengimpor proyek di Eclipse.

  • Buka Eclipse.

  • Pilih File → Import → pilihan.

  • Pilih Opsi Proyek Maven. Klik Tombol Berikutnya.

  • Pilih Lokasi proyek, di mana leaveService project dibuat menggunakan Maven.

  • Klik Tombol Selesai.

Jalankan Proyek

Setelah kita selesai membuat file sumber dan konfigurasi, ekspor aplikasi. Klik kanan pada aplikasi, gunakan opsi Export → WAR File dan simpan file leaveService.war di folder webapps Tomcat.

Jalankan server Tomcat dan pastikan kami dapat mengakses halaman web lain dari folder webapps menggunakan browser standar. Cobalah untuk mengakses URL - http: // localhost: 8080 / leaveService / leave.wsdl, jika semuanya baik-baik saja dengan Spring Web Application, kita akan melihat layar berikut.

ja/tutorial
es/tutorial
de/tutorial
fr/tutorial
th/tutorial
pt/tutorial
ru/tutorial
vi/tutorial
it/tutorial
ko/tutorial
tr/tutorial
id/tutorial
pl/tutorial
hi/tutorial
japost
espost
depost
frpost
thpost
ptpost
rupost
vipost
itpost
kopost
trpost
idpost
plpost
hipost

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