Package railo.runtime.functions.struct

Source Code of railo.runtime.functions.struct.StructSort

/**
* Implements the CFML Function structsort
*/
package railo.runtime.functions.struct;

import java.util.Arrays;

import railo.runtime.PageContext;
import railo.runtime.exp.ExpressionException;
import railo.runtime.exp.PageException;
import railo.runtime.functions.BIF;
import railo.runtime.interpreter.VariableInterpreter;
import railo.runtime.op.Caster;
import railo.runtime.type.Array;
import railo.runtime.type.ArrayImpl;
import railo.runtime.type.Collection;
import railo.runtime.type.Struct;
import railo.runtime.type.comparator.ExceptionComparator;
import railo.runtime.type.comparator.NumberSortRegisterComparator;
import railo.runtime.type.comparator.SortRegister;
import railo.runtime.type.comparator.SortRegisterComparator;
import railo.runtime.type.util.CollectionUtil;

public final class StructSort extends BIF {
  private static final long serialVersionUID = -7945612992641626477L;
 
  public static Array call(PageContext pc , Struct base) throws PageException {
    return call(pc,base,"text","asc",null);
  }
  public static Array call(PageContext pc , Struct base, String sortType) throws PageException {
    return call(pc,base,sortType,"asc",null);
  }
  public static Array call(PageContext pc , Struct base, String sortType, String sortOrder) throws PageException {
    return call(pc,base,sortType,sortOrder,null);
  }
  public static Array call(PageContext pc , Struct base, String sortType, String sortOrder, String pathToSubElement) throws PageException {

    boolean isAsc=true;
    PageException ee=null;
    if(sortOrder.equalsIgnoreCase("asc"))isAsc=true;
    else if(sortOrder.equalsIgnoreCase("desc"))isAsc=false;
    else throw new ExpressionException("invalid sort order type ["+sortOrder+"], sort order types are [asc and desc]");
   
    Collection.Key[] keys = CollectionUtil.keys(base);
    SortRegister[] arr=new SortRegister[keys.length];
    boolean hasSubDef=pathToSubElement!=null;
   
    for(int i=0;i<keys.length;i++) {
        Object value=base.get(keys[i],null);
       
        if(hasSubDef) {
            value=VariableInterpreter.getVariable(pc,Caster.toCollection(value),pathToSubElement);
        }       
        arr[i]=new SortRegister(i,value);
    }
   
    ExceptionComparator comp=null;
    // text
    if(sortType.equalsIgnoreCase("text")) comp=new SortRegisterComparator(isAsc,false);
   
    // text no case
    else if(sortType.equalsIgnoreCase("textnocase")) comp=new SortRegisterComparator(isAsc,true);     
   
    // numeric
    else if(sortType.equalsIgnoreCase("numeric")) comp=new NumberSortRegisterComparator(isAsc);
     
    else {
      throw new ExpressionException("invalid sort type ["+sortType+"], sort types are [text, textNoCase, numeric]");
    }
   
    Arrays.sort(arr,0,arr.length,comp);
    ee=comp.getPageException();
   
    if(ee!=null) {
      throw ee;
    }
   
    Array rtn=new ArrayImpl();
    for(int i=0;i<arr.length;i++) {
        rtn.append(keys[arr[i].getOldPosition()].getString());
    }
    return rtn;
     
  }
  @Override
  public Object invoke(PageContext pc, Object[] args) throws PageException {
    if(args.length==4) return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1]),Caster.toString(args[2]),Caster.toString(args[3]));
    if(args.length==3) return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1]),Caster.toString(args[2]));
    if(args.length==2) return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1]));
    return call(pc,Caster.toStruct(args[0]));
 
}
TOP

Related Classes of railo.runtime.functions.struct.StructSort

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.