Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2016. Diorite (by Bartomiej Mazur (aka GotoFinal)) * * 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 org.diorite.event.input; import java.util.ArrayList; import java.util.List; import org.apache.commons.lang3.Validate; import org.apache.commons.lang3.builder.ToStringBuilder; import org.apache.commons.lang3.builder.ToStringStyle; import org.diorite.command.Command; import org.diorite.command.sender.CommandSender; /** * When player type something on chat, and it should be now displayed to whole server. */ public class SenderTabCompleteEvent extends SenderEvent { protected String message; protected Command command; // cmd that will be executed, may be null protected final boolean isCommand; // if tab complete was used when typing command protected List<String> completes = new ArrayList<>(5); /** * Construct new chat event with given sender and message. * * @param sender sender that typed command. * @param message message that player typed. * @param assumeCommand if message should be assumed as command. */ public SenderTabCompleteEvent(final CommandSender sender, final String message, final boolean assumeCommand) { super(sender); Validate.notNull(message, "command message can't be null."); this.isCommand = assumeCommand || ((!message.isEmpty()) && (message.charAt(0) == '/')); this.message = this.isCommand ? (assumeCommand ? message : message.substring(1)) : message; if (this.isCommand) { this.command = sender.getCore().getCommandMap().findCommand(message); } } /** * Construct new chat event with given sender and message. * * @param sender sender that typed command. * @param message message that player typed. * @param assumeCommand if message should be assumed as command. * @param command command that is typed, may be null. */ public SenderTabCompleteEvent(final CommandSender sender, final String message, final boolean assumeCommand, final Command command) { super(sender); Validate.notNull(message, "command message can't be null."); this.command = command; this.isCommand = assumeCommand || ((!message.isEmpty()) && (message.charAt(0) == '/')); this.message = this.isCommand ? (assumeCommand ? message : message.substring(1)) : message; } /** * Returns command from first argument (if any exist), * if tab complete isn't for command, it will return null. <br> * this will be null at the beginning, and should be set to some command * instance before end of pipeline. * <br> * By default diorite will set that on first pipeline handler. * * @return command to use. */ public Command getCommand() { return this.command; } /** * Change/set command that should be executed at the end of pipeline. * * @param command command to use */ public void setCommand(final Command command) { this.command = command; } /** * Returns command message typed by sender, may be already changed by other event handlers. * * @return command message typed by sender, may be already changed by other event handlers. */ public String getMessage() { return this.message; } /** * Change message typed by player. * * @param message new message. */ public void setMessage(final String message) { Validate.notNull(message, "command message can't be null."); this.message = message; } /** * Returns list of possible endings of current command/message. * * @return list of possible endings of current command/message. */ public List<String> getCompletes() { return this.completes; } /** * Change list of possible endings of current command/message. * * @param completes new list of endings. */ public void setCompletes(final List<String> completes) { this.completes = new ArrayList<>(completes); } /** * Returns true if this is tab complete used when typing command. * * @return true if this is tab complete used when typing command. */ public boolean isCommand() { return this.isCommand; } @Override public boolean equals(final Object o) { if (this == o) { return true; } if (!(o instanceof SenderTabCompleteEvent)) { return false; } if (!super.equals(o)) { return false; } final SenderTabCompleteEvent that = (SenderTabCompleteEvent) o; return (this.isCommand == that.isCommand) && this.message.equals(that.message) && !((this.command != null) ? !this.command.equals(that.command) : (that.command != null)) && !((this.completes != null) ? !this.completes.equals(that.completes) : (that.completes != null)); } @Override public int hashCode() { int result = super.hashCode(); result = (31 * result) + this.message.hashCode(); result = (31 * result) + ((this.command != null) ? this.command.hashCode() : 0); result = (31 * result) + (this.isCommand ? 1 : 0); result = (31 * result) + ((this.completes != null) ? this.completes.hashCode() : 0); return result; } @Override public String toString() { return new ToStringBuilder(this, ToStringStyle.SHORT_PREFIX_STYLE).appendSuper(super.toString()) .append("message", this.message) .append("command", (this.command == null) ? null : this.command.getName()) .append("isCommand", this.isCommand).append("completes", this.completes).toString(); } }