package org.maltparserx.core.flow.system.elem;
import java.util.LinkedHashMap;
import org.maltparserx.core.exception.MaltChainedException;
import org.maltparserx.core.flow.FlowException;
import org.maltparserx.core.flow.item.ChartItem;
import org.maltparserx.core.flow.system.FlowChartSystem;
import org.maltparserx.core.plugin.PluginLoader;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
/**
*
*
* @author Johan Hall
*/
public class ChartElement {
private String item;
private Class<? extends ChartItem> chartItemClass;
private LinkedHashMap<String,ChartAttribute> attributes;
public ChartElement() {
attributes = new LinkedHashMap<String,ChartAttribute>();
}
public String getItem() {
return item;
}
public void setItem(String item) {
this.item = item;
}
public void addAttribute(String name, ChartAttribute attribute) {
attributes.put(name, attribute);
}
public ChartAttribute getAttribute(String name) {
return attributes.get(name);
}
public Class<? extends ChartItem> getChartItemClass() {
return chartItemClass;
}
public LinkedHashMap<String, ChartAttribute> getAttributes() {
return attributes;
}
public void read(Element chartElem, FlowChartSystem flowChartSystem) throws MaltChainedException {
setItem(chartElem.getAttribute("item"));
String chartItemClassName = chartElem.getAttribute("class");
Class<?> clazz = null;
try {
if (PluginLoader.instance() != null) {
clazz = PluginLoader.instance().getClass(chartItemClassName);
}
if (clazz == null) {
clazz = Class.forName(chartItemClassName);
}
this.chartItemClass = clazz.asSubclass(org.maltparserx.core.flow.item.ChartItem.class);
} catch (ClassCastException e) {
throw new FlowException("The class '"+clazz.getName()+"' is not a subclass of '"+org.maltparserx.core.flow.item.ChartItem.class.getName()+"'. ", e);
} catch (ClassNotFoundException e) {
throw new FlowException("The class "+chartItemClassName+" could not be found. ", e);
}
NodeList attrElements = chartElem.getElementsByTagName("attribute");
for (int i = 0; i < attrElements.getLength(); i++) {
ChartAttribute attribute = new ChartAttribute();
attribute.read((Element)attrElements.item(i),flowChartSystem);
attributes.put(((Element)attrElements.item(i)).getAttribute("name"), attribute);
}
}
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(" ");
sb.append(item);
sb.append(' ');
sb.append(chartItemClass.getName());
sb.append('\n');
for (String key : attributes.keySet()) {
sb.append(" ");
sb.append(attributes.get(key));
sb.append('\n');
}
return sb.toString();
}
}