玩转OSGI-ApacheFelix（二）IDEA

1.准备工作

      自己去官方下载，或者直接下载我第一篇文章中配置好的felix项目，自己下载的话比较麻烦，可能需要很多次进行尝试，包的版本不对，无法启动，懒得尝试或者想开箱即用的兄弟请移步到：

1. 我的第一篇文章进行下载：点击连接
2. 自己去官方下载：点击连接

2.下载配置idea osgi插件

3.新建两个maven项目

需要源码的去我上面的连接去下载一下，在上面

felix-clinet bundle

package com.nxhz.felix.client;

import com.nxhz.felix.server.Hello;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;

/**
 * @author jierui
 * @package PACKAGE_NAME
 * @date 2022/7/13-9:33
 * @description:
 */
public class ClientBundleActivator implements BundleActivator {

    @Override
    public void start(BundleContext ctx) throws Exception {
        System.out.println("----------------hello client start---------------------");
        ServiceReference ref = ctx.getServiceReference(Hello.class.getName());
        if (ref != null) {
            Hello hello = null;
            try {
                hello = (Hello) ctx.getService(ref);
                if (hello != null){
                    hello.sayHello();
                }else{
                    System.out.println("Service:Hello---object null");
                }

            } catch (RuntimeException e) {
                e.printStackTrace();
            } finally {
                ctx.ungetService(ref);
                hello = null;
            }
        } else {
            System.out.println("Service:Hello---not exists");
        }
        System.out.println("----------------hello client end---------------------");
    }

    @Override
    public void stop(BundleContext bundleContext) throws Exception {
        System.out.println("stop Service:Hello");
    }
}

felix-server bundle

package com.nxhz.felix;

import com.nxhz.felix.server.Hello;
import com.nxhz.felix.server.impl.IHelloImpl;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;

import java.util.ArrayList;
import java.util.List;

/**
 * @author jierui
 * @package com.nxhz.felix
 * @date 2022/7/13-9:51
 * @description:
 */
public class ServerBundleActivator implements BundleActivator {


    private List<ServiceRegistration> registrations = new ArrayList<ServiceRegistration>();

    private static BundleContext context;

    static BundleContext getContext() {
        return context;
    }

    @Override
    public void start(BundleContext bundleContext) throws Exception {
        ServerBundleActivator.context = bundleContext;
        System.out.println("----------------server start---------------------");
        //注册hello接口中的服务
        registrations.add(bundleContext
                .registerService(Hello.class.getName(), new IHelloImpl(), null));
        System.out.println("----------------server end---------------------");
    }

    @Override
    public void stop(BundleContext bundleContext) throws Exception {
        ServerBundleActivator.context = null;

        for (ServiceRegistration registration : registrations) {
            System.out.println("unregistering: " + registration);
            registration.unregister();
        }
    }
}

4.配置idea osgi debug

4.1新建一个Run/Debug 启动选择OSGI Bundles

4.2 配置OSGI Project Structure

client manifest

Export-Packag: com.nxhz.felix
Import-Package: org.osgi.framework,com.nxhz.felix.server;version="1.0.4"

server manifest

Export-Package: com.nxhz.felix.server;version="1.0.4"
Import-Package: org.osgi.framework

4.3 配置启动debug

5.idea配置felix web console 

访问地址：http://localhost:8080/system/console/bundles/

用户名密码：admin/admin

我其实没有配置密码，需要的可以自己修改

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