Apache CXF實戰之一 Hello World Web Service

Apache的CXF現在幾乎成了Java領域構建Web Service的首選類庫，並且它也確實簡單易用，下面就通過幾篇系列文章做一下簡單介紹。

當然首先想到的當然還是那個Hello World示例。這個系列文章中用到的例子都是基於Maven構建的工程，下面是我的pom.xml文件內容

<projectxmlns="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.googlecode.garbagecan.cxfstudy</groupId>
<artifactId>cxfstudy</artifactId>
<packaging>war</packaging>
<version>1.0-SNAPSHOT</version>
<name>cxfstudy Maven Webapp</name>
<url>http://maven.apache.org</url>
<properties>
<cxf.version>2.2.7</cxf.version>
</properties>
<dependencies>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-frontend-jaxws</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-transports-http-jetty</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-ws-security</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-rt-ws-policy</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>org.apache.cxf</groupId>
<artifactId>cxf-bundle-jaxrs</artifactId>
<version>${cxf.version}</version>
</dependency>
<dependency>
<groupId>javax.ws.rs</groupId>
<artifactId>jsr311-api</artifactId>
<version>1.1.1</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>1.5.8</version>
</dependency>
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-jdk14</artifactId>
<version>1.5.8</version>
</dependency>
<dependency>
<groupId>commons-httpclient</groupId>
<artifactId>commons-httpclient</artifactId>
<version>3.0</version>
</dependency>
<dependency>
<groupId>commons-io</groupId>
<artifactId>commons-io</artifactId>
<version>2.3</version>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>4.8.1</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>cxfstudy</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
</resource>
<resource>
<directory>src/main/java</directory>
<includes>
<include>**</include>
</includes>
<excludes>
<exclude>**/*.java</exclude>
</excludes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.mortbay.jetty</groupId>
<artifactId>maven-jetty-plugin</artifactId>
<configuration>
<contextPath>/</contextPath>
<connectors>
<connectorimplementation="org.mortbay.jetty.nio.SelectChannelConnector">
<port>9000</port>
</connector>
</connectors>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<configuration>
<source>1.5</source>
<target>1.5</target>
</configuration>
</plugin>
</plugins>
</build>
</project>

<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.googlecode.garbagecan.cxfstudy</groupId>
    <artifactId>cxfstudy</artifactId>
    <packaging>war</packaging>
    <version>1.0-SNAPSHOT</version>
    <name>cxfstudy Maven Webapp</name>
    <url>http://maven.apache.org</url>
    
    <properties>
        <cxf.version>2.2.7</cxf.version>
    </properties>
    
    <dependencies>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-frontend-jaxws</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-transports-http</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-transports-http-jetty</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-ws-security</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-rt-ws-policy</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>org.apache.cxf</groupId>
            <artifactId>cxf-bundle-jaxrs</artifactId>
            <version>${cxf.version}</version>
        </dependency>
        <dependency>
            <groupId>javax.ws.rs</groupId>
            <artifactId>jsr311-api</artifactId>
            <version>1.1.1</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.5.8</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-jdk14</artifactId>
            <version>1.5.8</version>
        </dependency>
        <dependency>
            <groupId>commons-httpclient</groupId>
            <artifactId>commons-httpclient</artifactId>
            <version>3.0</version>
        </dependency>
        <dependency>
            <groupId>commons-io</groupId>
            <artifactId>commons-io</artifactId>
            <version>2.3</version>
        </dependency>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.8.1</version>
            <scope>test</scope>
        </dependency>
    </dependencies>
    
    <build>
        <finalName>cxfstudy</finalName>
        <resources>
            <resource>
                <directory>src/main/resources</directory>
            </resource>
            <resource>
                <directory>src/main/java</directory>
                <includes>
                    <include>**</include>
                </includes>
                <excludes>
                    <exclude>**/*.java</exclude>
                </excludes>
            </resource>
        </resources>
        <plugins>
            <plugin>
                <groupId>org.mortbay.jetty</groupId>
                <artifactId>maven-jetty-plugin</artifactId>
                <configuration>
                    <contextPath>/</contextPath>
                    <connectors>
                        <connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">
                            <port>9000</port>
                        </connector>
                    </connectors>
                </configuration>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <configuration>
                    <source>1.5</source>
                    <target>1.5</target>
                </configuration>
            </plugin>
        </plugins>
    </build>

</project>

下面來看看HelloWorld的具體例子。

1.創建HelloWorld 接口類

[java] view plain copy print ?

package com.googlecode.garbagecan.cxfstudy.helloworld;
import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;
@WebService
public interface HelloWorld {
@WebMethod
@WebResult String sayHi(@WebParam String text);
}

package com.googlecode.garbagecan.cxfstudy.helloworld;

import javax.jws.WebMethod;
import javax.jws.WebParam;
import javax.jws.WebResult;
import javax.jws.WebService;

@WebService
public interface HelloWorld {
    @WebMethod
    @WebResult String sayHi(@WebParam String text);
}

2.創建HelloWorld實現類

[java] view plain copy print ?

package com.googlecode.garbagecan.cxfstudy.helloworld;
public class HelloWorldImplimplements HelloWorld {
public String sayHi(String name) {
String msg = "Hello " + name +"!";
return msg;
}
}

package com.googlecode.garbagecan.cxfstudy.helloworld;

public class HelloWorldImpl implements HelloWorld {

    public String sayHi(String name) {
        String msg = "Hello " + name + "!";
        return msg;
    }
}

3.創建Server端測試類

[java] view plain copy print ?

package com.googlecode.garbagecan.cxfstudy.helloworld;
import org.apache.cxf.jaxws.JaxWsServerFactoryBean;
// http://localhost:9000/HelloWorld?wsdl
public class Server {
public staticvoid main(String[] args) throws Exception {
JaxWsServerFactoryBean factory = new JaxWsServerFactoryBean();
factory.setServiceClass(HelloWorldImpl.class);
factory.setAddress("http://localhost:9000/ws/HelloWorld");
factory.create();
System.out.println("Server start...");
Thread.sleep(60 *1000);
System.out.println("Server exit...");
System.exit(0);
}
}

package com.googlecode.garbagecan.cxfstudy.helloworld;

import org.apache.cxf.jaxws.JaxWsServerFactoryBean;

// http://localhost:9000/HelloWorld?wsdl
public class Server {
    public static void main(String[] args) throws Exception {
        JaxWsServerFactoryBean factory = new JaxWsServerFactoryBean();
        factory.setServiceClass(HelloWorldImpl.class);
        
        factory.setAddress("http://localhost:9000/ws/HelloWorld");
        factory.create();

        System.out.println("Server start...");
        Thread.sleep(60 * 1000);
        System.out.println("Server exit...");
        System.exit(0);
    }
}

4.創建Client端測試類

[java] view plain copy print ?

package com.googlecode.garbagecan.cxfstudy.helloworld;
import org.apache.cxf.jaxws.JaxWsProxyFactoryBean;
public class Client {
public staticvoid main(String[] args) {
JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
factory.setServiceClass(HelloWorld.class);
factory.setAddress("http://localhost:9000/ws/HelloWorld");
HelloWorld helloworld = (HelloWorld) factory.create();
System.out.println(helloworld.sayHi("kongxx"));
System.exit(0);
}
}

package com.googlecode.garbagecan.cxfstudy.helloworld;

import org.apache.cxf.jaxws.JaxWsProxyFactoryBean;

public class Client {
    public static void main(String[] args) {
        JaxWsProxyFactoryBean factory = new JaxWsProxyFactoryBean();
        factory.setServiceClass(HelloWorld.class);
        factory.setAddress("http://localhost:9000/ws/HelloWorld");
        HelloWorld helloworld = (HelloWorld) factory.create();
        System.out.println(helloworld.sayHi("kongxx"));
        System.exit(0);
    }
}

5.測試

首先運行Server類來啓動Web Service服務，然後訪問http://localhost:9000/ws/HelloWorld?wsdl地址來確定web service啓動正確。

運行Client測試類，會在命令行輸出Hello kongxx!的message。

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