/**
* Implements the CFML Function valuelist
*/
package railo.runtime.functions.query;
import railo.runtime.PageContext;
import railo.runtime.PageContextImpl;
import railo.runtime.exp.ExpressionException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.op.Caster;
import railo.runtime.type.Query;
import railo.runtime.type.QueryColumn;
import railo.runtime.type.ref.VariableReference;
import railo.runtime.type.scope.Scope;
public class ValueList implements Function {
private static final long serialVersionUID = -6503473251723048160L;
public static String call(PageContext pc , String strQueryColumn) throws PageException {
return call(pc,toColumn(pc,strQueryColumn),",");
}
public static String call(PageContext pc , String strQueryColumn, String delimiter) throws PageException {
return call(pc,toColumn(pc,strQueryColumn),delimiter);
}
public static String call(PageContext pc , QueryColumn column) throws PageException {
return call(pc,column,",");
}
public static String call(PageContext pc , QueryColumn column, String delimiter) throws PageException {
StringBuilder sb=new StringBuilder();
int size=column.size();
for(int i=1;i<=size;i++) {
if(i>1)sb.append(delimiter);
sb.append(Caster.toString(column.get(i,null)));
}
return sb.toString();
}
protected static QueryColumn toColumn(PageContext pc,String strQueryColumn) throws PageException {
//if(strQueryColumn.indexOf('.')<1)
// throw new ExpressionException("invalid query column definition ["+strQueryColumn+"]");
VariableReference ref = ((PageContextImpl)pc).getVariableReference(strQueryColumn);
if(ref.getParent() instanceof Scope)
throw new ExpressionException("invalid query column definition ["+strQueryColumn+"]");
Query query=Caster.toQuery(ref.getParent());
return query.getColumn(ref.getKey());
}
}