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-/*
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- * Copyright (c) 2006-2015 DMDirc Developers
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- *
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- * Permission is hereby granted, free of charge, to any person obtaining a copy
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- * of this software and associated documentation files (the "Software"), to deal
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- * in the Software without restriction, including without limitation the rights
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- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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- * copies of the Software, and to permit persons to whom the Software is
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- * furnished to do so, subject to the following conditions:
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- *
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- * The above copyright notice and this permission notice shall be included in
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- * all copies or substantial portions of the Software.
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- *
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- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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- * SOFTWARE.
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- */
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-
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-package com.dmdirc.ui.messages;
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-
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-import com.dmdirc.ClientModule;
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-import com.dmdirc.DMDircMBassador;
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-import com.dmdirc.events.ServerDisconnectedEvent;
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-import com.dmdirc.events.ServerNumericEvent;
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-import com.dmdirc.interfaces.Connection;
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-import com.dmdirc.interfaces.SystemLifecycleComponent;
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-import com.dmdirc.interfaces.config.ConfigProvider;
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-
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-import java.util.HashMap;
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-import java.util.Map;
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-
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-import javax.inject.Inject;
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-import javax.inject.Singleton;
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-
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-import net.engio.mbassy.listener.Handler;
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-
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-/**
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- * Listens for whois-like numeric events and automatically formats them.
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- *
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- * @since 0.6.3
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- */
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-@Singleton
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-public class WhoisNumericFormatter implements SystemLifecycleComponent {
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-
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- /** The name of the target of any current whois requests. */
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- private final Map<Connection, String> targets = new HashMap<>();
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- /** The identity to add formatters to. */
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- private final ConfigProvider identity;
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- /** Event bus to subscribe to events on. */
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- private final DMDircMBassador eventBus;
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-
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- /**
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- * Creates a new whois numeric formatter that will add automatic formats to the specified
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- * identity. This will normally be a temporary global identity.
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- *
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- * @param identity The identity to write formatters to
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- * @param eventBus The event bus to subscribe to events on
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- */
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- @Inject
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- public WhoisNumericFormatter(
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- @ClientModule.AddonConfig final ConfigProvider identity,
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- final DMDircMBassador eventBus) {
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- this.identity = identity;
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- this.eventBus = eventBus;
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- }
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-
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- /**
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- * Handles a server disconnected event. This clears any entry for that server in the
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- * {@link #targets} map.
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- *
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- * @param event The server disconnected event to process
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- */
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- @Handler
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- public void handleServerDisconnected(final ServerDisconnectedEvent event) {
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- targets.remove(event.getConnection());
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- }
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-
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- /**
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- * Handles a received numeric event. This method has special handling for numerics 311 and 318,
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- * used to signal the start and end of a WHOIS request. It then monitors any other numerics
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- * without formatters for events which look like WHOIS information, and formats them
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- * automatically.
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- *
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- * @param event The server numeric event to process
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- */
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- @Handler
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- public void handleNumeric(final ServerNumericEvent event) {
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- final Connection server = event.getConnection();
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- final int numeric = event.getNumeric();
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- final String[] arguments = event.getArgs();
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- switch (numeric) {
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- case 311: // RPL_WHOISUSER
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- targets.put(server, arguments[3]);
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- break;
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- case 318: // RPL_ENDOFWHOIS
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- targets.remove(server);
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- break;
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- default:
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- if (arguments.length > 4
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- && targets.containsKey(server)
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- && arguments[3].equals(targets.get(server))) {
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- // This numeric should be automatically formatted.
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-
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- if (event.getDisplayFormat().isEmpty()) {
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- // No custom formatter, switch it to an auto whois
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- // format and target.
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- final String target = "numeric_autowhois_" + (arguments.length - 4);
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- ensureExists(target, arguments.length);
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- event.setDisplayFormat(target);
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- } else {
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- // There's a custom format. We'll see if we need to
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- // add a formatter or notification settings for it
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- // anyway.
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- ensureExists(event.getDisplayFormat(), arguments.length);
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- }
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- }
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- break;
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- }
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- }
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-
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- /**
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- * Ensures that the specified formatter exists in our identity.
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- *
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- * @param target The target to be checked and added if necessary
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- * @param arguments The number of arguments for the numeric
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- */
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- private void ensureExists(final String target, final int arguments) {
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- if (!identity.hasOptionString("formatter", target)) {
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- final StringBuilder builder = new StringBuilder("%4$s %" + arguments + "$s");
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- for (int i = 5; i < arguments; i++) {
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- builder.append(" %");
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- builder.append(i);
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- builder.append("$s");
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- }
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-
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- identity.setOption("formatter", target, builder.toString());
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- }
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-
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- if (!identity.hasOptionString("notifications", target)) {
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- identity.setOption("notifications", target, "group:whois");
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- }
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- }
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-
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- @Override
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- public void startUp() {
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- eventBus.subscribe(this);
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- }
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-
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- @Override
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- public void shutDown() {
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- eventBus.unsubscribe(this);
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- }
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-}
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