/*
* Copyright 2008 Google Inc.
*
* 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.google.gwt.core.client.impl;
/**
* A {@link StringBufferImplArrayBase} that does a concat for toString(). The
* performance of this implementation is generally slightly worse than
* {@link StringBufferImplArray} for everything except IE, where it's terrible.
*/
public class StringBufferImplConcat extends StringBufferImplArrayBase {
/**
* We don't need to do the null check because concat does it automagically.
*/
@Override
public native void append(Object a, String x) /*-{
a[a.explicitLength++] = x;
}-*/;
@Override
protected native String takeString(Object a) /*-{
var s = String.prototype.concat.apply('', a);
a.length = a.explicitLength = 0;
return s;
}-*/;
}