| /* |
| * 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 java.lang; |
| |
| import static javaemul.internal.InternalPreconditions.checkNotNull; |
| |
| /** |
| * A fast way to create strings using multiple appends. |
| * |
| * This class is an exact clone of {@link StringBuffer} except for the name. |
| * Any change made to one should be mirrored in the other. |
| */ |
| public final class StringBuilder extends AbstractStringBuilder { |
| |
| public StringBuilder() { |
| super(""); |
| } |
| |
| public StringBuilder(CharSequence s) { |
| super(s.toString()); |
| } |
| |
| /** |
| * This implementation does not track capacity; using this constructor is |
| * functionally equivalent to using the zero-argument constructor. |
| */ |
| @SuppressWarnings("unused") |
| public StringBuilder(int ignoredCapacity) { |
| super(""); |
| } |
| |
| public StringBuilder(String s) { |
| super(checkNotNull(s)); |
| } |
| |
| public StringBuilder append(boolean x) { |
| string += x; |
| return this; |
| } |
| |
| @Override |
| public StringBuilder append(char x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(char[] x) { |
| string += String.valueOf(x); |
| return this; |
| } |
| |
| public StringBuilder append(char[] x, int start, int len) { |
| string += String.valueOf(x, start, len); |
| return this; |
| } |
| |
| @Override |
| public StringBuilder append(CharSequence x) { |
| string += x; |
| return this; |
| } |
| |
| @Override |
| public StringBuilder append(CharSequence x, int start, int end) { |
| string += String.valueOf(x).substring(start, end); |
| return this; |
| } |
| |
| public StringBuilder append(double x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(float x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(int x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(long x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(Object x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(String x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder append(StringBuffer x) { |
| string += x; |
| return this; |
| } |
| |
| public StringBuilder appendCodePoint(int x) { |
| appendCodePoint0(x); |
| return this; |
| } |
| |
| public StringBuilder delete(int start, int end) { |
| replace0(start, end, ""); |
| return this; |
| } |
| |
| public StringBuilder deleteCharAt(int start) { |
| replace0(start, start + 1, ""); |
| return this; |
| } |
| |
| public StringBuilder insert(int index, boolean x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, char x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, char[] x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, char[] x, int offset, int len) { |
| return insert(index, String.valueOf(x, offset, len)); |
| } |
| |
| public StringBuilder insert(int index, CharSequence chars) { |
| return insert(index, String.valueOf(chars)); |
| } |
| |
| public StringBuilder insert(int index, CharSequence chars, int start, int end) { |
| return insert(index, String.valueOf(chars).substring(start, end)); |
| } |
| |
| public StringBuilder insert(int index, double x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, float x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, int x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, long x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, Object x) { |
| return insert(index, String.valueOf(x)); |
| } |
| |
| public StringBuilder insert(int index, String x) { |
| replace0(index, index, x); |
| return this; |
| } |
| |
| public StringBuilder replace(int start, int end, String toInsert) { |
| replace0(start, end, toInsert); |
| return this; |
| } |
| |
| public StringBuilder reverse() { |
| reverse0(); |
| return this; |
| } |
| } |