package railo.runtime.functions.cache;
import java.io.IOException;
import railo.commons.io.cache.Cache;
import railo.commons.lang.StringUtil;
import railo.runtime.PageContext;
import railo.runtime.config.ConfigImpl;
import railo.runtime.exp.FunctionException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.op.Caster;
/**
*
*/
public final class CacheGet implements Function {
private static final long serialVersionUID = -7164470356423036571L;
public static Object call(PageContext pc, String key) throws PageException {
try {
return _call(pc, key, false, Util.getDefault(pc, ConfigImpl.CACHE_DEFAULT_OBJECT));
}
catch (IOException e) {
throw Caster.toPageException(e);
}
}
public static Object call(PageContext pc, String key, Object objThrowWhenNotExist) throws PageException {
// default behavior, second parameter is a boolean
Boolean throwWhenNotExist=Caster.toBoolean(objThrowWhenNotExist,null);
if(throwWhenNotExist!=null) {
try {
return _call(pc, key, throwWhenNotExist.booleanValue(), Util.getDefault(pc, ConfigImpl.CACHE_DEFAULT_OBJECT));
}
catch (IOException e) {
throw Caster.toPageException(e);
}
}
// compatibility behavior, second parameter is a cacheName
if(objThrowWhenNotExist instanceof String) {
String cacheName=(String)objThrowWhenNotExist;
if(!StringUtil.isEmpty(cacheName)) {
try {
Cache cache = Util.getCache(pc.getConfig(),cacheName,null);
if(cache!=null)
return _call(pc, key, false, cache);
}
catch (IOException e) {
throw Caster.toPageException(e);
}
}
}
// not a boolean or cacheName
throw new FunctionException(pc, "cacheGet", 2, "ThrowWhenNotExist", "arguments needs to be a boolean value, but also a valid cacheName is supported for compatibility reasons to other engines");
}
public static Object call(PageContext pc, String key, Object objThrowWhenNotExist,String cacheName) throws PageException {
Boolean throwWhenNotExist=Caster.toBoolean(objThrowWhenNotExist,null);
if(throwWhenNotExist==null)throw new FunctionException(pc, "cacheGet", 2, "ThrowWhenNotExist", "arguments needs to be a boolean value");
try {
Cache cache = Util.getCache(pc,cacheName,ConfigImpl.CACHE_DEFAULT_OBJECT);
return _call(pc, key, throwWhenNotExist.booleanValue(), cache);
} catch (IOException e) {
throw Caster.toPageException(e);
}
}
private static Object _call(PageContext pc, String key, boolean throwWhenNotExist,Cache cache) throws IOException {
return throwWhenNotExist?cache.getValue(Util.key(key)):cache.getValue(Util.key(key),null);
}
}