/*
* Copyright (c) 2006-2014 DMDirc Developers
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.dmdirc.addons.serverlists.service;
import com.dmdirc.ParserFactory;
import com.dmdirc.addons.serverlists.ServerGroup;
import com.dmdirc.addons.serverlists.ServerGroupItem;
import com.dmdirc.addons.serverlists.ServerList;
import com.dmdirc.parser.common.MyInfo;
import com.dmdirc.parser.interfaces.Parser;
import com.dmdirc.plugins.ExportedService;
import com.dmdirc.plugins.PluginManager;
import com.dmdirc.plugins.Service;
import com.dmdirc.plugins.ServiceProvider;
import java.net.URI;
import java.util.Arrays;
import java.util.List;
/**
* Provides a fake parser service which handles
* serverlist://
URIs, and returns a suitable parser for the corresponding server list.
*
* @since 0.6.4
*/
public class ServerListServiceProvider implements ServiceProvider {
/** The server list that we're providing for. */
private final ServerList serverList;
/** The services that this provider providers. */
private final List services;
/** Plugin Manager */
private final PluginManager pluginManager;
/**
* Creates a new server list service provider.
*
* @param pluginManager The PluginManager to use.
* @param serverList The {@link ServerList} to retrieve items from
*/
public ServerListServiceProvider(final PluginManager pluginManager, final ServerList serverList) {
this.serverList = serverList;
this.pluginManager = pluginManager;
this.services = Arrays.asList(new Service[]{
pluginManager.getService("parser", "serverlist", true)
});
}
/**
* Registers this service provider.
*/
public void register() {
for (Service service : services) {
service.addProvider(this);
}
}
/** {@inheritDoc} */
@Override
public boolean isActive() {
return true;
}
/** {@inheritDoc} */
@Override
public void activateServices() {
// Do nothing
}
/** {@inheritDoc} */
@Override
public List getServices() {
return services;
}
/** {@inheritDoc} */
@Override
public String getProviderName() {
return "Serverlist service provider";
}
/** {@inheritDoc} */
@Override
public ExportedService getExportedService(final String name) {
if ("getParser".equals(name)) {
return new ExportedService(ServerListServiceProvider.class, "getParser", this);
} else {
return null;
}
}
/**
* Retrieves a parser for the specified details.
*
* @param myInfo The user-supplied client identification information
* @param address The address to connect to (a serverlist:// URI)
*
* @return A corresponding Parser instance, or null if none applicable
*/
public Parser getParser(final MyInfo myInfo, final URI address) {
ServerGroup group = serverList.getGroupByName(address.getHost());
if (address.getPath() != null && !address.getPath().isEmpty()) {
for (String part : address.getPath().split("/")) {
if (part.isEmpty()) {
continue;
}
final ServerGroupItem item = group.getItemByName(part);
if (item == null) {
return null;
} else if (item instanceof ServerGroup) {
group = (ServerGroup) item;
} else {
return getParserForItem(myInfo, item);
}
}
}
return getParserForItem(myInfo, group);
}
/**
* Retrieves a parser for the specified item.
*
* @param myInfo The user-supplied client identification information
* @param item The item to retrieve a URI from
*
* @return A corresponding parser instance
*/
protected Parser getParserForItem(final MyInfo myInfo, final ServerGroupItem item) {
return new ParserFactory(pluginManager).getParser(myInfo, item.getAddress());
}
}