apollo ctrip java 接入

<dependency>
            <groupId>com.ctrip.framework.apollo</groupId>
            <artifactId>apollo-client</artifactId>
            <version>1.7.0</version>
</dependency>
<dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-simple</artifactId>
            <version>1.6.6</version>
</dependency>

app.id=SampleApp

package com.vince.xq;
import com.ctrip.framework.apollo.Config;
import com.ctrip.framework.apollo.ConfigChangeListener;
import com.ctrip.framework.apollo.ConfigService;
import com.ctrip.framework.apollo.model.ConfigChange;
import com.ctrip.framework.apollo.model.ConfigChangeEvent;
public class MavenTest {
    private static String value = null;
    public static void init() {
        System.setProperty("apollo.meta", "http://localhost:8080");
        Config config = ConfigService.getAppConfig(); //config instance is singleton for each namespace and is never null
        String someKey = "timeout";
        String someDefaultValue = "someDefaultValueForTheKey";
        value = config.getProperty(someKey, someDefaultValue);
        config.addChangeListener(new ConfigChangeListener() {
            @Override
            public void onChange(ConfigChangeEvent changeEvent) {
                System.out.println("Changes for namespace " + changeEvent.getNamespace());
                for (String key : changeEvent.changedKeys()) {
                    ConfigChange change = changeEvent.getChange(key);
                    if (key.equals(someKey)) {
                        value = change.getNewValue();
                        System.out.println(String.format("Found change - key: %s, oldValue: %s, newValue: %s, changeType: %s", change.getPropertyName(), change.getOldValue(), change.getNewValue(), change.getChangeType()));
                    }
                }
            }
        });
    }
    public static void main(String[] args) throws InterruptedException {
        init();
        while (true) {
            Thread.sleep(1000);
            System.out.println(value);
        }
    }
}