78 lines
2.2 KiB
Java
78 lines
2.2 KiB
Java
/*
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* Copyright (c) 2016 Touch Instinct
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*
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* This file is part of RoboSwag library.
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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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*/
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package ru.touchin.templates.logansquare;
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import androidx.annotation.NonNull;
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import androidx.annotation.Nullable;
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import com.bluelinelabs.logansquare.typeconverters.StringBasedTypeConverter;
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import ru.touchin.roboswag.core.utils.ShouldNotHappenException;
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/**
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* Created by Gavriil Sitnikov.
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* LoganSquare converter from String to Enum.
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*/
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@SuppressWarnings("PMD.UseVarargs")
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public class LoganSquareEnumConverter<T extends Enum & LoganSquareEnum> extends StringBasedTypeConverter<T> {
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@NonNull
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private final T[] enumValues;
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@Nullable
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private final T defaultValue;
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public LoganSquareEnumConverter(@NonNull final T[] enumValues) {
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this(enumValues, null);
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}
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public LoganSquareEnumConverter(@NonNull final T[] enumValues, @Nullable final T defaultValue) {
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super();
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this.enumValues = enumValues;
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this.defaultValue = defaultValue;
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}
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@Nullable
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@Override
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public T getFromString(@Nullable final String string) {
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if (string == null) {
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return defaultValue;
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}
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for (final T value : enumValues) {
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if (value.getValueName().equals(string)) {
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return value;
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}
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}
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if (defaultValue != null) {
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return defaultValue;
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}
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throw new ShouldNotHappenException("Enum parsing exception for value: " + string);
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}
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@Nullable
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@Override
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public String convertToString(@Nullable final T object) {
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if (object == null) {
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return null;
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}
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return object.getValueName();
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}
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}
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