org.asynchttpclient.shaded.util.StringBuilderPool Maven / Gradle / Ivy
/*
* Copyright (c) 2017 AsyncHttpClient Project. All rights reserved.
*
* This program is licensed to you under the Apache License Version 2.0,
* and you may not use this file except in compliance with the Apache License Version 2.0.
* You may obtain a copy of the Apache License Version 2.0 at http://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the Apache License Version 2.0 is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the Apache License Version 2.0 for the specific language governing permissions and limitations there under.
*/
package org.asynchttpclient.shaded.util;
public class StringBuilderPool {
public static final StringBuilderPool DEFAULT = new StringBuilderPool();
private final ThreadLocal pool = ThreadLocal.withInitial(() -> new StringBuilder(512));
/**
* BEWARE: MUSTN'T APPEND TO ITSELF!
*
* @return a pooled StringBuilder
*/
public StringBuilder stringBuilder() {
StringBuilder sb = pool.get();
sb.setLength(0);
return sb;
}
}