scouter.server.db.TextPermRD.scala Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package scouter.server.db;
import scouter.server.core.cache.TextCache
import scouter.util.HashUtil
object TextPermRD {
def getString(division: String, hash: Int): String = {
val out = TextCache.get(division, hash);
if (out != null)
return out;
try {
val (index, data) = TextPermWR.open(division);
if (index == null)
return null;
val pos = index.get(hash);
if (pos < 0)
return null;
val bytes = data.read(pos);
val text = new String(bytes, "UTF-8");
TextCache.put(division, hash, text);
return text;
} catch {
case e: Exception => e.printStackTrace();
}
return null;
}
def read(division: String, handler: (Array[Byte], Array[Byte]) => Unit) {
try {
val (index, data) = TextPermWR.open(division);
if (index == null)
return ;
index.read(handler, data.read);
} catch {
case e: Exception => e.printStackTrace();
}
}
}