package railo.runtime.functions.image;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.img.Image;
import railo.runtime.op.Caster;
import railo.runtime.type.Struct;
import railo.runtime.type.StructImpl;
public class ImageGetEXIFMetadata {
public static Struct call(PageContext pc, Object name) throws PageException {
if(name instanceof String) name=pc.getVariable(Caster.toString(name));
Image img = Image.toImage(name);
return getData(img);
}
public static Struct getData(Image img) throws PageException {
Struct sct = img.info(),data=new StructImpl();
Iterator it = sct.entrySet().iterator();
Map.Entry entry;
while(it.hasNext()){
entry=(Entry) it.next();
if(entry.getValue() instanceof Map)
fill(data,(Map)entry.getValue());
else if(entry.getValue() instanceof List)
fill(data,entry.getKey(),(List)entry.getValue());
else
data.put(entry.getKey(),entry.getValue());
}
return data;
}
private static void fill(Struct data, Map map) throws PageException {
Iterator it = map.entrySet().iterator();
Map.Entry entry;
while(it.hasNext()){
entry=(Entry) it.next();
if(entry.getValue() instanceof Map)
fill(data,(Map)entry.getValue());
else if(entry.getValue() instanceof List)
fill(data,entry.getKey(),(List)entry.getValue());
else
data.put(entry.getKey(),entry.getValue());
}
}
private static void fill(Struct data, Object key, List list) throws PageException {
data.put(
key,
railo.runtime.type.util.ListUtil.listToList(list, ","));
}
}