package org.geotools.filter.function.string; /* * GeoTools - The Open Source Java GIS Toolkit * http://geotools.org * * (C) 2005-2008, Open Source Geospatial Foundation (OSGeo) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. */ //this code is autogenerated - you shouldnt be modifying it! import static org.geotools.filter.capability.FunctionNameImpl.parameter; import java.util.Arrays; import java.util.List; import org.geotools.filter.FunctionImpl; import org.geotools.filter.capability.FunctionNameImpl; import org.opengis.filter.capability.FunctionName; import org.opengis.filter.expression.Expression; import org.opengis.filter.expression.ExpressionVisitor; /** * The function concatenates strings. *
* It is used to create concatenated strings as arguments of functions. *
* Implementation of Concatenate as defined by SE1.1. *
*
* @author Jody Garnett (Refractions Research, Inc.)
*
*
*
* @source $URL$
*/
public class ConcatenateFunction extends FunctionImpl {
/**
* Make the instance of FunctionName available in
* a consistent spot.
*/
public static final FunctionName NAME = functionName("Concatenate", "result:String", "text:String:2,");
public ConcatenateFunction() {
this.functionName = NAME;
}
@Override
public String getName() {
return NAME.getName();
}
public int getArgCount() {
return NAME.getArgumentCount();
}
public Object evaluate(Object feature) {
StringBuffer text = new StringBuffer();
for (Expression expression : (List