| /* |
| * Copyright (C) 2006 The Android Open Source Project |
| * |
| * 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 android.text.method; |
| |
| /** |
| * This transformation method causes any carriage return characters (\r) |
| * to be hidden by displaying them as zero-width non-breaking space |
| * characters (\uFEFF). |
| */ |
| public class HideReturnsTransformationMethod |
| extends ReplacementTransformationMethod { |
| private static char[] ORIGINAL = new char[] { '\r' }; |
| private static char[] REPLACEMENT = new char[] { '\uFEFF' }; |
| |
| /** |
| * The character to be replaced is \r. |
| */ |
| protected char[] getOriginal() { |
| return ORIGINAL; |
| } |
| |
| /** |
| * The character that \r is replaced with is \uFEFF. |
| */ |
| protected char[] getReplacement() { |
| return REPLACEMENT; |
| } |
| |
| public static HideReturnsTransformationMethod getInstance() { |
| if (sInstance != null) |
| return sInstance; |
| |
| sInstance = new HideReturnsTransformationMethod(); |
| return sInstance; |
| } |
| |
| private static HideReturnsTransformationMethod sInstance; |
| } |