/*
* Copyright (C) 2013
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
package uk.me.parabola.mkgmap.osmstyle.actions;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
public abstract class ValueBuildedAction implements Action {
private final List<ValueBuilder> valueBuilder = new ArrayList<ValueBuilder>();
/**
* Adds a value building rule.
* @param val rule
*/
public void add(String val) {
valueBuilder.add(new ValueBuilder(val));
}
/**
* Retrieve the tags that might be used to build the value.
* @return all required tags
*/
public Set<String> getUsedTags() {
Set<String> set = new HashSet<String>();
for (ValueBuilder vb : valueBuilder) {
set.addAll(vb.getUsedTags());
}
return set;
}
/**
* Retrieves the list of value builders.
* @return value builders
*/
protected List<ValueBuilder> getValueBuilder() {
return valueBuilder;
}
}