/*
* BodyTubeHandler.java
*/
package net.sf.openrocket.file.rocksim.importt;
import java.util.HashMap;
import net.sf.openrocket.aerodynamics.WarningSet;
import net.sf.openrocket.file.DocumentLoadingContext;
import net.sf.openrocket.file.rocksim.RocksimCommonConstants;
import net.sf.openrocket.file.rocksim.RocksimFinishCode;
import net.sf.openrocket.file.simplesax.ElementHandler;
import net.sf.openrocket.file.simplesax.PlainTextHandler;
import net.sf.openrocket.material.Material;
import net.sf.openrocket.rocketcomponent.BodyTube;
import net.sf.openrocket.rocketcomponent.RocketComponent;
import org.xml.sax.SAXException;
/**
* A SAX handler for Rocksim Body Tubes.
*/
class BodyTubeHandler extends BaseHandler<BodyTube> {
/**
* The OpenRocket BodyTube.
*/
private final BodyTube bodyTube;
/**
* Constructor.
*
* @param c parent component
* @param warnings the warning set
* @throws IllegalArgumentException thrown if <code>c</code> is null
*/
public BodyTubeHandler(DocumentLoadingContext context, RocketComponent c, WarningSet warnings) throws IllegalArgumentException {
super(context);
if (c == null) {
throw new IllegalArgumentException("The parent component of a body tube may not be null.");
}
bodyTube = new BodyTube();
if (isCompatible(c, BodyTube.class, warnings)) {
c.addChild(bodyTube);
}
}
@Override
public ElementHandler openElement(String element, HashMap<String, String> attributes, WarningSet warnings) {
if (RocksimCommonConstants.ATTACHED_PARTS.equals(element)) {
return new AttachedPartsHandler(context, bodyTube);
}
return PlainTextHandler.INSTANCE;
}
@Override
public void closeElement(String element, HashMap<String, String> attributes, String content, WarningSet warnings)
throws SAXException {
super.closeElement(element, attributes, content, warnings);
try {
if (RocksimCommonConstants.OD.equals(element)) {
bodyTube.setOuterRadius(Double.parseDouble(content) / RocksimCommonConstants.ROCKSIM_TO_OPENROCKET_RADIUS);
}
if (RocksimCommonConstants.ID.equals(element)) {
final double r = Double.parseDouble(content) / RocksimCommonConstants.ROCKSIM_TO_OPENROCKET_RADIUS;
bodyTube.setInnerRadius(r);
}
if (RocksimCommonConstants.LEN.equals(element)) {
bodyTube.setLength(Double.parseDouble(content) / RocksimCommonConstants.ROCKSIM_TO_OPENROCKET_LENGTH);
}
if (RocksimCommonConstants.FINISH_CODE.equals(element)) {
bodyTube.setFinish(RocksimFinishCode.fromCode(Integer.parseInt(content)).asOpenRocket());
}
if (RocksimCommonConstants.IS_MOTOR_MOUNT.equals(element)) {
bodyTube.setMotorMount("1".equals(content));
}
if (RocksimCommonConstants.ENGINE_OVERHANG.equals(element)) {
bodyTube.setMotorOverhang(Double.parseDouble(content) / RocksimCommonConstants.ROCKSIM_TO_OPENROCKET_LENGTH);
}
if (RocksimCommonConstants.MATERIAL.equals(element)) {
setMaterialName(content);
}
} catch (NumberFormatException nfe) {
warnings.add("Could not convert " + element + " value of " + content + ". It is expected to be a number.");
}
}
/**
* Get the component this handler is working upon.
*
* @return a component
*/
@Override
public BodyTube getComponent() {
return bodyTube;
}
/**
* Get the required type of material for this component.
*
* @return BULK
*/
public Material.Type getMaterialType() {
return Material.Type.BULK;
}
}