/* $Id: TriggerExactlyInListCondition.java,v 1.8 2011/05/01 19:50:05 martinfuchs Exp $ */
/***************************************************************************
* (C) Copyright 2003-2010 - Stendhal *
***************************************************************************
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
package games.stendhal.server.entity.npc.condition;
import games.stendhal.common.parser.ConvCtxForMatchingSource;
import games.stendhal.common.parser.ConversationContext;
import games.stendhal.common.parser.ConversationParser;
import games.stendhal.common.parser.Sentence;
import games.stendhal.common.parser.SimilarExprMatcher;
import games.stendhal.server.entity.Entity;
import games.stendhal.server.entity.npc.ChatCondition;
import games.stendhal.server.entity.player.Player;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.List;
import org.apache.commons.lang.builder.EqualsBuilder;
import org.apache.commons.lang.builder.HashCodeBuilder;
/**
* Was one of these trigger phrases said exactly ignoring case? (Use with a ""-trigger in npc.add)
*/
public class TriggerExactlyInListCondition implements ChatCondition {
private static final ConversationContext CONVERSION_CONTEXT = new ConvCtxForMatchingSource();
private List<Sentence> triggers = new LinkedList<Sentence>();
/**
* Creates a new TriggerExactlyInListCondition.
*
* @param trigger list of triggers
*/
public TriggerExactlyInListCondition(final String... trigger) {
addTriggers(Arrays.asList(trigger));
}
/**
* Creates a new TriggerExactlyInListCondition.
*
* @param triggers list of triggers
*/
public TriggerExactlyInListCondition(final List<String> triggers) {
addTriggers(triggers);
}
private void addTriggers(Iterable<String> triggers) {
SimilarExprMatcher matcher = new SimilarExprMatcher();
for (String trigger : triggers) {
final Sentence expected = ConversationParser.parse(trigger, matcher);
this.triggers.add(expected);
}
}
public boolean fire(final Player player, final Sentence sentence, final Entity entity) {
// TODO: lowercase "and" at the beginning of a sentence is ignored, even in full match mode: "and the other gold"
final Sentence answer = ConversationParser.parse(sentence.getOriginalText(), CONVERSION_CONTEXT);
for (Sentence trigger : triggers) {
if (answer.matchesFull(trigger)) {
return true;
}
}
return false;
}
@Override
public String toString() {
return "trigger exactly <" + triggers.toString() + ">";
}
@Override
public int hashCode() {
return HashCodeBuilder.reflectionHashCode(this);
}
@Override
public boolean equals(final Object obj) {
return EqualsBuilder.reflectionEquals(this, obj, false, TriggerExactlyInListCondition.class);
}
}