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- /*
- * Copyright (c) 2006-2011 Chris Smith, Shane Mc Cormack, Gregory Holmes
- *
- * 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;
-
- import com.dmdirc.Precondition;
- import com.dmdirc.config.Identity;
- import com.dmdirc.config.IdentityListener;
- import com.dmdirc.config.IdentityManager;
- import com.dmdirc.addons.serverlists.io.ServerGroupReader;
- import com.dmdirc.addons.serverlists.io.ServerGroupWriter;
- import com.dmdirc.addons.serverlists.service.ServerListServiceProvider;
-
- import java.io.IOException;
- import java.util.Collection;
- import java.util.Collections;
- import java.util.HashMap;
- import java.util.Map;
-
- /**
- * Maintains a list of top level {@link ServerGroup}s and handles reading and
- * writing of the lists to disk.
- *
- * @since 0.6.4
- * @author chris
- */
- public class ServerList implements IdentityListener {
-
- /** A list of all known groups. */
- private final Map<ServerGroup, ServerGroupWriter> groups
- = new HashMap<ServerGroup, ServerGroupWriter>();
-
- /**
- * Creates a new ServerList and loads groups and servers.
- */
- public ServerList() {
- IdentityManager.addIdentityListener("servergroup", this);
-
- for (Identity identity : IdentityManager.getCustomIdentities("servergroup")) {
- identityAdded(identity);
- }
-
- new ServerListServiceProvider(this).register();
- }
-
- /**
- * Adds a server group to the master server list.
- *
- * @param group The group to be added
- * @param writer The writer to use to write the group to disk
- */
- public void addServerGroup(final ServerGroup group, final ServerGroupWriter writer) {
- groups.put(group, writer);
- }
-
- /**
- * Adds a server group to the master server list, and creates a new
- * writer which will write the group to an identity.
- *
- * @param group The group to be added
- * @throws IOException if the new identity cannot be written
- */
- public void addServerGroup(final ServerGroup group) throws IOException {
- final ServerGroupWriter writer = new ServerGroupWriter(
- Identity.buildIdentity(group.getName(), "servergroup"));
- group.setModified(true);
- addServerGroup(group, writer);
- }
-
- /**
- * Saves all entries in this list.
- */
- public void save() {
- for (Map.Entry<ServerGroup, ServerGroupWriter> pair : groups.entrySet()) {
- if (pair.getKey().isModified()) {
- pair.getValue().write(pair.getKey());
- }
- }
- }
-
- /**
- * Saves the specified group.
- *
- * @param group The group to be saved
- */
- @Precondition("Specified group is a known top-level group in this list")
- public void save(final ServerGroup group) {
- groups.get(group).write(group);
- }
-
- /**
- * Retrieves a list of all known server groups.
- *
- * @return An immutable list of server groups.
- */
- public Collection<ServerGroup> getServerGroups() {
- return Collections.unmodifiableCollection(groups.keySet());
- }
-
- /**
- * Retrieves a ServerGroup with the specified name, if one exists. This
- * method ignores the case of group's name when comparing.
- *
- * @param name The name of the group to be retrieved
- * @return A correspondingly named server group, or null if none exists
- */
- public ServerGroup getGroupByName(final String name) {
- for (ServerGroup group : getServerGroups()) {
- if (group.getName().equalsIgnoreCase(name)) {
- return group;
- }
- }
-
- return null;
- }
-
- /** {@inheritDoc} */
- @Override
- public void identityAdded(final Identity identity) {
- try {
- final ServerGroupReader reader = new ServerGroupReader(identity);
- addServerGroup(reader.read(), reader.getWriter());
- } catch (IllegalArgumentException ex) {
- // Silently ignore
- // TODO: Raise error if the identity isn't a server group being
- // currently added by addServerGroup()
- }
- }
-
- /** {@inheritDoc} */
- @Override
- public void identityRemoved(final Identity identity) {
- // TODO: Remove server group
- }
-
- }
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