package railo.runtime.type.ref;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.type.Collection;
import railo.runtime.type.KeyImpl;
import railo.runtime.type.StructImpl;
/**
* Handle a Reference
*/
public final class ReferenceReference implements Reference {
private Reference reference;
private String key;
/**
* @param reference
* @param key
*/
public ReferenceReference(Reference reference, String key) {
this.reference=reference;
this.key=key;
}
@Override
public Collection.Key getKey() {
return KeyImpl.init(key);
}
@Override
public String getKeyAsString() {
return key;
}
@Override
public Object get(PageContext pc) throws PageException {
return pc.getCollection(reference.get(pc),key);
}
@Override
public Object get(PageContext pc, Object defaultValue) {
return pc.getCollection(reference.get(pc,null),key,defaultValue);
}
@Override
public Object set(PageContext pc, Object value) throws PageException {
return pc.set(reference.touch(pc),key,value);
}
@Override
public Object setEL(PageContext pc, Object value) {
try {
return set(pc,value);
} catch (PageException e) {
return null;
}
}
@Override
public Object touch(PageContext pc) throws PageException {
Object parent=reference.touch(pc);
Object o= pc.getCollection(parent,key,null);
if(o!=null) return o;
return pc.set(parent,key,new StructImpl());
}
public Object touchEL(PageContext pc) {
Object parent=reference.touchEL(pc);
Object o= pc.getCollection(parent,key,null);
if(o!=null) return o;
try {
return pc.set(parent,key,new StructImpl());
} catch (PageException e) {
return null;
}
}
@Override
public Object remove(PageContext pc) throws PageException {
return pc.getVariableUtil().remove(reference.get(pc),key);
}
@Override
public Object removeEL(PageContext pc) {
return pc.getVariableUtil().removeEL(reference.get(pc,null),key);
}
@Override
public Object getParent() {
return reference;
}
@Override
public String toString() {
return "java.util.ReferenceReference(reference:"+reference+";key:"+key+")";
}
}