/**
*
* Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
**/
package lucee.runtime.functions.cache;
import java.io.IOException;
import java.util.Iterator;
import lucee.commons.io.cache.Cache;
import lucee.runtime.PageContext;
import lucee.runtime.cache.CacheUtil;
import lucee.runtime.config.Config;
import lucee.runtime.exp.ApplicationException;
import lucee.runtime.exp.PageException;
import lucee.runtime.ext.function.Function;
import lucee.runtime.op.Caster;
import lucee.runtime.op.Decision;
import lucee.runtime.type.Array;
import lucee.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 = CacheUtil.getCache(pc,cacheName,Config.CACHE_TYPE_OBJECT);
} catch (IOException e) {
throw Caster.toPageException(e);
}
StringBuilder sb=null;
try{
while(it.hasNext()){
id= CacheUtil.key(Caster.toString(it.next()));
if(!cache.remove(id) && throwOnError){
if(sb==null)sb=new StringBuilder();
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), ',');
}
}