com.vmware.xenon.common.StringBuilderThreadLocal Maven / Gradle / Ivy
/*
* Copyright (c) 2014-2015 VMware, Inc. All Rights Reserved.
*
* 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 com.vmware.xenon.common;
/**
*/
public class StringBuilderThreadLocal extends ThreadLocal {
private static final int BUFFER_INITIAL_CAPACITY = 1 * 1024;
@Override
protected StringBuilder initialValue() {
return new StringBuilder(BUFFER_INITIAL_CAPACITY);
}
@Override
public StringBuilder get() {
StringBuilder result = super.get();
if (result.length() > BUFFER_INITIAL_CAPACITY * 10) {
result = new StringBuilder(BUFFER_INITIAL_CAPACITY);
set(result);
} else {
result.setLength(0);
}
return result;
}
}