propertyattributeclause.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.datasources.ogc.filters;

import java.io.IOException;
import java.io.OutputStream;

public class PropertyAttributeClause extends AttributeClause implements IFilterClause  {
	protected String _rightOperandPropertyName;
	
	public PropertyAttributeClause() {
	}
	
	/**
	 * 	<Filter>
			<PropertyIsLessThan>
			<PropertyName>DEPTH</PropertyName>
			<PropertyName>POPULATION</PropertyName>
			</PropertyIsLessThan>
		</Filter>
	 */
	
	public void toXML(OutputStream os) throws IOException {	
		StringBuilder sb = new StringBuilder();
		sb.append("<ogc:PropertyIs"+ getOperator() + ">");
		sb.append("<ogc:PropertyName>" + _leftOperandPropertyName + "</ogc:PropertyName>");
		sb.append("<ogc:PropertyName>" + _rightOperandPropertyName + "</ogc:PropertyName>");
		sb.append("</ogc:PropertyIs" + getOperator() + ">");
		os.write(sb.toString().getBytes());		
	}

	public void setRightOperandPropertyName(String val) {
		_rightOperandPropertyName = val;
	}
}