@SuppressWarnings("unchecked")
private List<EntityBaseBean> allowedMany(
Step step,
Map<Field, Method> getters,
GateKeeper gateKeeper,
String userId,
EntityManager manager)
throws IllegalAccessException, IllegalArgumentException, InvocationTargetException,
IcatException {
Field field = step.getRelationship().getField();
List<EntityBaseBean> beans = (List<EntityBaseBean>) getters.get(field).invoke(this);
if (step.isAllowed()) {
return beans;
} else {
return gateKeeper.getReadable(userId, beans, manager);
}
}
/**
* Clone a pruned copy of tree
*
* @param one true if INCLUDE 1 specified
* @param hereVarNum current idVarNum. If steps is null this value is irrelevant.
* @param steps list of steps to consider. This may be null. Steps starting with hereVarNum will
* be followed. Steps hold the starting idVarNum, the field to navigate and the destination
* idVarNum.
* @param manager
* @param userId
* @return
* @throws IcatException
*/
public EntityBaseBean pruned(
boolean one,
int hereVarNum,
List<Step> steps,
GateKeeper gateKeeper,
String userId,
EntityManager manager)
throws IcatException {
Class<? extends EntityBaseBean> klass = this.getClass();
if (logger.isDebugEnabled()) {
if (one) {
logger.debug("Pruning " + klass.getSimpleName() + " INCLUDE 1");
} else if (steps != null) {
logger.debug("Pruning " + klass.getSimpleName() + " INCLUDE from " + hereVarNum);
} else {
logger.debug("Pruning " + klass.getSimpleName());
}
}
try {
Constructor<? extends EntityBaseBean> con = eiHandler.getConstructor(klass);
EntityBaseBean clone = con.newInstance();
clone.id = this.id;
clone.createTime = this.createTime;
clone.createId = this.createId;
clone.modTime = this.modTime;
clone.modId = this.modId;
Set<Field> atts = eiHandler.getAttributes(klass);
Map<Field, Method> getters = eiHandler.getGetters(klass);
Map<Field, Method> setters = eiHandler.getSettersForUpdate(klass);
for (Field att : atts) {
Object value = getters.get(att).invoke(this);
if (value != null) {
setters.get(att).invoke(clone, new Object[] {value});
}
}
if (one) {
for (Relationship r : eiHandler.getOnes(klass)) {
Field att = r.getField();
EntityBaseBean value = allowedOne(r, getters.get(att), gateKeeper, userId, manager);
if (value != null) {
value = value.pruned(false, 0, null, gateKeeper, userId, manager);
setters.get(att).invoke(clone, new Object[] {value});
}
}
} else if (steps != null) {
for (Step step : steps) {
if (step.getHereVarNum() == hereVarNum) {
Relationship r = step.getRelationship();
Field field = r.getField();
if (r.isCollection()) {
List<EntityBaseBean> values = allowedMany(step, getters, gateKeeper, userId, manager);
@SuppressWarnings("unchecked")
List<EntityBaseBean> cloneList =
(List<EntityBaseBean>) getters.get(field).invoke(clone);
for (EntityBaseBean value : values) {
value =
value.pruned(false, step.getThereVarNum(), steps, gateKeeper, userId, manager);
cloneList.add(value);
}
} else {
EntityBaseBean value = allowedOne(r, getters.get(field), gateKeeper, userId, manager);
if (value != null) {
value =
value.pruned(false, step.getThereVarNum(), steps, gateKeeper, userId, manager);
setters.get(field).invoke(clone, new Object[] {value});
}
}
}
}
}
return clone;
} catch (Exception e) {
reportUnexpected(e);
throw new IcatException(IcatException.IcatExceptionType.INTERNAL, "" + e);
}
}