com.anysoft.selector.impl.SingleField Maven / Gradle / Ivy
package com.anysoft.selector.impl;
import org.w3c.dom.Element;
import com.anysoft.formula.DataProvider;
import com.anysoft.util.Properties;
import com.anysoft.util.PropertiesConstants;
import com.anysoft.selector.Selector;
/**
* 单字段选择器
*
* @author duanyy
* @since 1.5.2
*
* @version 1.6.0.5 [20141114 duanyy]
* - 如果没有定义selector-field属性，则取selector-id属性.
*/
public class SingleField extends Selector {
public void onConfigure(Element _e, Properties _p) {
fieldName = PropertiesConstants.getString(_p, "selector-field", id,true);
}
public String onSelect(DataProvider _dataProvider) {
if (context == null){
context = _dataProvider.getContext(fieldName);
}
if (context != null){
return _dataProvider.getValue(fieldName, context, getDefaultValue()).trim();
}
return getDefaultValue();
}
protected Object context = null;
protected String fieldName;
}