package railo.runtime.functions.cache;
import java.io.IOException;
import java.util.Iterator;
import railo.commons.io.cache.Cache;
import railo.runtime.PageContext;
import railo.runtime.config.ConfigImpl;
import railo.runtime.exp.ApplicationException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.op.Caster;
import railo.runtime.op.Decision;
import railo.runtime.type.Array;
import railo.runtime.type.util.ListUtil;
/**
*
*/
public final class CacheRemove implements Function {
private static final long serialVersionUID = -5823359978885018762L;
public static String call(PageContext pc, Object ids) throws PageException {
return call(pc, ids, false,null);
}
public static String call(PageContext pc, Object ids, boolean throwOnError) throws PageException {
return call(pc, ids, throwOnError, null);
}
public static String call(PageContext pc, Object ids, boolean throwOnError, String cacheName) throws PageException {
Array arr = toArray(ids);//
Iterator it = arr.valueIterator();
String id;
Cache cache;
try {
cache = Util.getCache(pc,cacheName,ConfigImpl.CACHE_DEFAULT_OBJECT);
} catch (IOException e) {
throw Caster.toPageException(e);
}
StringBuffer sb=null;
try{
while(it.hasNext()){
id= Util.key(Caster.toString(it.next()));
if(!cache.remove(id) && throwOnError){
if(sb==null)sb=new StringBuffer();
else sb.append(',');
sb.append(id);
}
}
}
catch (IOException e) {}
if(throwOnError && sb!=null)
throw new ApplicationException("can not remove the elements with the following id(s) ["+sb+"]");
return null;
}
private static Array toArray(Object oIds) throws PageException {
if(Decision.isArray(oIds)){
return Caster.toArray(oIds);
}
return ListUtil.listToArray(Caster.toString(oIds), ',');
}
}