/*
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* Copyright (C) 2006 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.text.method;
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import android.annotation.UnsupportedAppUsage;
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import android.os.Build;
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/**
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* This transformation method causes any carriage return characters (\r)
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* to be hidden by displaying them as zero-width non-breaking space
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* characters (\uFEFF).
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*/
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public class HideReturnsTransformationMethod
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extends ReplacementTransformationMethod {
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private static char[] ORIGINAL = new char[] { '\r' };
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private static char[] REPLACEMENT = new char[] { '\uFEFF' };
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/**
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* The character to be replaced is \r.
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*/
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protected char[] getOriginal() {
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return ORIGINAL;
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}
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/**
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* The character that \r is replaced with is \uFEFF.
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*/
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protected char[] getReplacement() {
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return REPLACEMENT;
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}
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public static HideReturnsTransformationMethod getInstance() {
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if (sInstance != null)
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return sInstance;
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sInstance = new HideReturnsTransformationMethod();
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return sInstance;
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}
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@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P, trackingBug = 115609023)
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private static HideReturnsTransformationMethod sInstance;
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}
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