/*
* Copyright 1999-2011 Alibaba Group.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.dubbo.registry.pages;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import java.util.Set;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.container.page.Page;
import com.alibaba.dubbo.container.page.PageHandler;
import com.alibaba.dubbo.registry.Registry;
import com.alibaba.dubbo.registry.support.AbstractRegistry;
import com.alibaba.dubbo.registry.support.AbstractRegistryFactory;
/**
* RegisteredPageHandler
*
* @author william.liangf
*/
public class RegisteredPageHandler implements PageHandler {
public Page handle(URL url) {
String registryAddress = url.getParameter("registry", "");
List<List<String>> rows = new ArrayList<List<String>>();
Collection<Registry> registries = AbstractRegistryFactory.getRegistries();
StringBuilder select = new StringBuilder();
Registry registry = null;
if (registries != null && registries.size() > 0) {
if (registries.size() == 1) {
registry = registries.iterator().next();
select.append(" > " + registry.getUrl().getAddress());
} else {
select.append(" > <select onchange=\"window.location.href='registered.html?registry=' + this.value;\">");
for (Registry r : registries) {
String sp = r.getUrl().getAddress();
select.append("<option value=\">");
select.append(sp);
if (((registryAddress == null || registryAddress.length() == 0) && registry == null)
|| registryAddress.equals(sp)) {
registry = r;
select.append("\" selected=\"selected");
}
select.append("\">");
select.append(sp);
select.append("</option>");
}
select.append("</select>");
}
}
if (registry instanceof AbstractRegistry) {
Set<String> services = ((AbstractRegistry) registry).getRegistered();
if (services != null && services.size() > 0) {
for (String u : services) {
List<String> row = new ArrayList<String>();
row.add(u.replace("<", "<").replace(">", ">"));
rows.add(row);
}
}
}
return new Page("<a href=\"registries.html\">Registries</a>" + select.toString() + " > Registered | <a href=\"subscribed.html?registry=" + registryAddress + "\">Subscribed</a>", "Registered (" + rows.size() + ")",
new String[] { "Provider URL:" }, rows);
}
}