| Clover coverage report - |
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| Source file | Conditionals | Statements | Methods | TOTAL | |||||||||||||||
| InstructionFactory.java | 100% | 100% | 100% | 100% |
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/*
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VRMoo Server - Virtual Reality Object Oriented MUD Server
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Copyright (C) 2001 - 2003 VRMoo Development Team
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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For information about VRMoo and its authors, please visit the website:
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http://www.vrmoo.org/
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*/
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package org.vrmoo.server.vrmoopl;
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import org.vrmoo.common.exception.VRMooParseException;
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/**
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* Factory class for creating an <code>Instruction</code> based upon a passed in
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* string representing the instruction.
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*
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* @author Jeff Weston
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*/
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public class InstructionFactory |
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{
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/**
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* Text representing the rotx instruction.
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*/
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private static final String INSTRUCTION_ROTX = "rotx "; |
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/**
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* Text representing the roty instruction.
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*/
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private static final String INSTRUCTION_ROTY = "roty "; |
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/**
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* Text representing the rotz instruction.
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*/
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private static final String INSTRUCTION_ROTZ = "rotz "; |
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/**
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* Text representing the timer instruction.
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*/
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private static final String INSTRUCTION_TIMER = "timer "; |
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///CLOVER:OFF
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/**
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* This class is not meant to be instantiated, so make the constructor
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* private.
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*/
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private InstructionFactory( )
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{
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} |
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///CLOVER:ON
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/**
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* Construct an appropriate instruction based upon the passed in text.
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*
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* @param text the text with which to construct an instruction from
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*
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* @return the constructed instruction
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*
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* @throws VRMooParseException for any parsing errors that occur
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*/
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public static Instruction createInstruction( String text ) |
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throws VRMooParseException
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{
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text = text.trim( ); |
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if ( text.indexOf( INSTRUCTION_ROTX ) == 0 )
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{
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return new RotxInstruction( |
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text.substring( INSTRUCTION_ROTX.length( ) ).trim( ) ); |
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} |
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else if ( text.indexOf( INSTRUCTION_ROTY ) == 0 ) |
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{
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return new RotyInstruction( |
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text.substring( INSTRUCTION_ROTY.length( ) ).trim( ) ); |
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} |
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else if ( text.indexOf( INSTRUCTION_ROTZ ) == 0 ) |
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{
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return new RotzInstruction( |
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text.substring( INSTRUCTION_ROTZ.length( ) ).trim( ) ); |
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} |
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else if ( text.indexOf( INSTRUCTION_TIMER ) == 0 ) |
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{
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return new TimerInstruction( |
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text.substring( INSTRUCTION_TIMER.length( ) ).trim( ) ); |
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} |
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else
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{
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throw new VRMooParseException( |
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"Unrecognized instruction: " + text );
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} |
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} |
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} |
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