| /* |
| * 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; |
| }-*/; |
| } |