/**
* Copyright (C) 2002-2012 The FreeCol Team
*
* This file is part of FreeCol.
*
* FreeCol 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.
*
* FreeCol 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.
*
* You should have received a copy of the GNU General Public License
* along with FreeCol. If not, see <http://www.gnu.org/licenses/>.
*/
package net.sf.freecol.common.model;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
/**
* Contains information on buildable types.
*/
public abstract class BuildableType extends FreeColGameObjectType {
public static final String NOTHING = "model.buildableType.nothing";
/**
* The minimum population that a Colony needs in order to build
* this type.
*/
private int populationRequired = 1;
/**
* Limits on the production of this type.
*/
private List<Limit> limits;
/**
* A list of AbstractGoods required to build this type.
*/
private List<AbstractGoods> goodsRequired = new ArrayList<AbstractGoods>();
/**
* Stores the abilities required by this Type.
*/
private final Map<String, Boolean> requiredAbilities = new HashMap<String, Boolean>();
public BuildableType(String id, Specification specification) {
super(id, specification);
}
/**
* Get the <code>GoodsRequired</code> value.
*
* @return a <code>List<AbstractGoods></code> value
*/
public final List<AbstractGoods> getGoodsRequired() {
return goodsRequired;
}
/**
* Get amount required of given <code>GoodsType</code>
*/
public final int getAmountRequiredOf(GoodsType type){
for (AbstractGoods goods : this.goodsRequired){
if (goods.getType() == type){
return goods.getAmount();
}
}
return 0;
}
/**
* Set the <code>GoodsRequired</code> value.
*
* @param newGoodsRequired The new GoodsRequired value.
*/
public final void setGoodsRequired(final List<AbstractGoods> newGoodsRequired) {
this.goodsRequired = newGoodsRequired;
}
/**
* Does this buildable need goods to build?
*/
public boolean needsGoodsToBuild() {
return !goodsRequired.isEmpty();
}
/**
* Get the <code>PopulationRequired</code> value.
*
* @return an <code>int</code> value
*/
public int getPopulationRequired() {
return populationRequired;
}
/**
* Set the <code>PopulationRequired</code> value.
*
* @param newPopulationRequired The new PopulationRequired value.
*/
public void setPopulationRequired(final int newPopulationRequired) {
this.populationRequired = newPopulationRequired;
}
/**
* Get the <code>Limits</code> value.
*
* @return a <code>List<Limit></code> value
*/
public final List<Limit> getLimits() {
return limits;
}
/**
* Set the <code>Limits</code> value.
*
* @param newLimits The new Limits value.
*/
public final void setLimits(final List<Limit> newLimits) {
this.limits = newLimits;
}
/**
* Returns the abilities required by this Type.
*
* @return the abilities required by this Type.
*/
public Map<String, Boolean> getAbilitiesRequired() {
return requiredAbilities;
}
/**
* Write the attributes of this object to a stream.
*
* @param out The target stream.
* @throws XMLStreamException if there are any problems writing to
* the stream.
*/
@Override
protected void writeAttributes(XMLStreamWriter out)
throws XMLStreamException {
super.writeAttributes(out);
if (populationRequired > 1) {
out.writeAttribute("required-population",
Integer.toString(populationRequired));
}
}
/**
* Write the children of this object to a stream.
*
* @param out The target stream.
* @throws XMLStreamException if there are any problems writing to
* the stream.
*/
@Override
protected void writeChildren(XMLStreamWriter out)
throws XMLStreamException {
super.writeChildren(out);
if (limits != null) {
for (Limit limit : limits) {
limit.toXMLImpl(out);
}
}
for (Map.Entry<String, Boolean> entry
: getAbilitiesRequired().entrySet()) {
out.writeStartElement("required-ability");
out.writeAttribute(ID_ATTRIBUTE_TAG, entry.getKey());
out.writeAttribute(VALUE_TAG, Boolean.toString(entry.getValue()));
out.writeEndElement();
}
if (getGoodsRequired() != null) {
for (AbstractGoods goods : getGoodsRequired()) {
out.writeStartElement("required-goods");
out.writeAttribute(ID_ATTRIBUTE_TAG, goods.getType().getId());
out.writeAttribute(VALUE_TAG, Integer.toString(goods.getAmount()));
out.writeEndElement();
}
}
}
/**
* Reads a child object.
*
* @param in The XML stream to read.
* @exception XMLStreamException if an error occurs
*/
@Override
protected void readChild(XMLStreamReader in) throws XMLStreamException {
String childName = in.getLocalName();
if (Limit.getXMLElementTagName().equals(childName)) {
if (limits == null) {
limits = new ArrayList<Limit>();
}
Limit limit = new Limit(getSpecification());
limit.readFromXML(in);
if (limit.getLeftHandSide().getType() == null) {
limit.getLeftHandSide().setType(getId());
}
limits.add(limit);
} else if ("required-ability".equals(childName)) {
String abilityId = in.getAttributeValue(null, ID_ATTRIBUTE_TAG);
boolean value = getAttribute(in, VALUE_TAG, true);
getAbilitiesRequired().put(abilityId, value);
getSpecification().addAbility(abilityId);
in.nextTag(); // close this element
} else if ("required-goods".equals(childName)) {
GoodsType type = getSpecification().getGoodsType(in.getAttributeValue(null, ID_ATTRIBUTE_TAG));
int amount = getAttribute(in, VALUE_TAG, 0);
AbstractGoods requiredGoods = new AbstractGoods(type, amount);
if (amount > 0) {
type.setBuildingMaterial(true);
if (getGoodsRequired() == null) {
setGoodsRequired(new ArrayList<AbstractGoods>());
}
getGoodsRequired().add(requiredGoods);
}
in.nextTag(); // close this element
} else {
super.readChild(in);
}
}
}