com.alogic.xscript.plugins.Select Maven / Gradle / Ivy
package com.alogic.xscript.plugins;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.w3c.dom.Element;
import com.alogic.xscript.AbstractLogiclet;
import com.alogic.xscript.ExecuteWatcher;
import com.alogic.xscript.Logiclet;
import com.alogic.xscript.LogicletContext;
import com.alogic.xscript.util.MapProperties;
import com.anysoft.selector.Selector;
import com.anysoft.selector.impl.Constants;
import com.anysoft.util.Properties;
import com.anysoft.util.XmlElementProperties;
/**
* 设置变量到上下文,变量取值通过selector框架计算
*
* @author duanyy
*
*/
public class Select extends AbstractLogiclet {
protected String id;
protected Selector selector = null;
public Select(String tag, Logiclet p) {
super(tag, p);
}
@Override
public void configure(Element e, Properties p) {
Properties props = new XmlElementProperties(e,p);
configure(props);
id = e.getAttribute("id");
selector = Selector.newInstanceWithDefault(e, p, Constants.class.getName());
if (StringUtils.isEmpty(id) && selector != null){
id = selector.getId();
}
}
@Override
protected void onExecute(Map root,
Map current, LogicletContext ctx, ExecuteWatcher watcher) {
if (selector != null){
MapProperties p = new MapProperties(current,ctx);
ctx.SetValue(id, selector.onSelect(p));
}
}
}