/**
* Implements the CFML Function getmetadata
*/
package railo.runtime.functions.other;
import railo.runtime.Component;
import railo.runtime.PageContext;
import railo.runtime.exp.FunctionException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.img.Image;
import railo.runtime.java.JavaObject;
import railo.runtime.op.Caster;
import railo.runtime.type.KeyImpl;
import railo.runtime.type.ObjectWrap;
import railo.runtime.type.Query;
import railo.runtime.type.Struct;
import railo.runtime.type.StructImpl;
import railo.runtime.type.UDF;
public final class GetMetaData implements Function {
private static final long serialVersionUID = -3787469574373656167L;
// TODO support enties more deeply
public static Object call(PageContext pc ) throws PageException {
Component ac = pc.getActiveComponent();
if(ac!=null) {
return call(pc , ac);
}
return new StructImpl();
}
public static Object call(PageContext pc , Object object) throws PageException {
return call(pc, object, false);
}
public static Object call(PageContext pc , Object object,boolean source) throws PageException {
if(object instanceof JavaObject){
return call(pc,((JavaObject)object).getClazz(),source);
}
else if(object instanceof ObjectWrap){
return call(pc,((ObjectWrap)object).getEmbededObject(),source);
}
if(!source){
// Component
if(object instanceof Component) {
return getMetaData((Component)object,pc);
//return ((Component)object).getMetaData(pc);
}
// UDF
if(object instanceof UDF) {
return ((UDF)object).getMetaData(pc);
}
// Query
else if(object instanceof Query) {
return ((Query)object).getMetaDataSimple();
}
// Image
else if(object instanceof Image) {
return ((Image)object).info();
}
return object.getClass();
}
String str = Caster.toString(object,null);
if(str==null)throw new FunctionException(pc,"GetMetaData",1,"object","must be a string when second argument is true");
return pc.undefinedScope().getScope(KeyImpl.init(str));
}
public static Struct getMetaData(Component cfc, PageContext pc) throws PageException {
return cfc.getMetaData(pc);
}
/*private static Map<String,Struct> datas=new ReferenceMap(ReferenceMap.SOFT,ReferenceMap.SOFT);
public static Struct getMetaData(ComponentPro cfc,PageContext pc) throws PageException {
String key=createKey(cfc.getPageSource());
Struct meta = key==null?null:datas.get(key);
if(meta==null){
meta=cfc.getMetaData(pc);
datas.put(key, meta);
}
return meta;
}
public static String createKey(PageSource ps) throws PageException {
Page p = ((PageSourceImpl)ps).getPage();
if(p==null) return null;
String key=ps.getMapping().getConfig().getId()+":"+p.getSourceLastModified()+":"+ps.getDisplayPath();
return key;
}
public static Struct getMetaData(PageSource ps) throws PageException {
String key=createKey(ps);
return key==null?null:datas.get(key);
}*/
}