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Add Translation class and tests
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‎gcloud-java-translate/src/main/java/com/google/cloud/translate/Translation.java‎

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/*
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* Copyright 2016 Google Inc. All Rights Reserved.
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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 com.google.cloud.translate;
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import com.google.api.services.translate.model.TranslationsResource;
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import com.google.common.base.Function;
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import com.google.common.base.MoreObjects;
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import java.io.Serializable;
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import java.util.Objects;
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/**
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* Information about a translation. Objects of this class contain the translated text and the source
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* language's code. Source language's code can be the one provided by the user (if any) or the one
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* detected by the Google Translate service.
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*
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* <a href="https://cloud.google.com/translate/v2/translating-text-with-rest">Translating Text</a>
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*/
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public class Translation implements Serializable {
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private static final long serialVersionUID = 2556017420486245581L;
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static final Function<TranslationsResource, Translation> FROM_PB_FUNCTION =
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new Function<TranslationsResource, Translation>() {
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@Override
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public Translation apply(TranslationsResource translationPb) {
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return Translation.fromPb(translationPb);
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}
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};
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private final String translatedText;
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private final String sourceLanguage;
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private Translation(String translatedText, String sourceLanguage) {
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this.translatedText = translatedText;
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this.sourceLanguage = sourceLanguage;
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}
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/**
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* Returns the translated text.
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*/
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public String translatedText() {
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return translatedText;
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}
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/**
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* Returns the language code of the source text. If no source language was provided this value is
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* the source language as detected by the Google Translate service.
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*/
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public String sourceLanguage() {
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return sourceLanguage;
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}
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@Override
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public String toString() {
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return MoreObjects.toStringHelper(this)
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.add("translatedText", translatedText)
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.add("sourceLanguage", sourceLanguage)
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.toString();
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}
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@Override
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public final int hashCode() {
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return Objects.hash(translatedText, sourceLanguage);
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}
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@Override
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public final boolean equals(Object obj) {
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if (obj == this) {
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return true;
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}
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if (obj == null || !obj.getClass().equals(Translation.class)) {
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return false;
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}
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Translation other = (Translation) obj;
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return Objects.equals(translatedText, other.translatedText)
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&& Objects.equals(sourceLanguage, other.sourceLanguage);
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}
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static Translation fromPb(TranslationsResource translationPb) {
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return new Translation(translationPb.getTranslatedText(),
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translationPb.getDetectedSourceLanguage());
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}
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}

‎gcloud-java-translate/src/test/java/com/google/cloud/translate/TranslationTest.java‎

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/*
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* Copyright 2016 Google Inc. All Rights Reserved.
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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 com.google.cloud.translate;
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import static org.junit.Assert.assertEquals;
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import com.google.api.services.translate.model.TranslationsResource;
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import org.junit.Test;
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public class TranslationTest {
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private static final String TRANSLATED_TEXT = "Hello world";
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private static final String SOURCE_LANGUAGE = "en";
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private static final TranslationsResource TRANSLATION_PB = new TranslationsResource()
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.setTranslatedText(TRANSLATED_TEXT)
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.setDetectedSourceLanguage(SOURCE_LANGUAGE);
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private static final Translation TRANSLATION = Translation.fromPb(TRANSLATION_PB);
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@Test
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public void testFromPb() {
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assertEquals(TRANSLATED_TEXT, TRANSLATION.translatedText());
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assertEquals(SOURCE_LANGUAGE, TRANSLATION.sourceLanguage());
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compareTranslation(TRANSLATION, Translation.fromPb(TRANSLATION_PB));
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}
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private void compareTranslation(Translation expected, Translation value) {
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assertEquals(expected, value);
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assertEquals(expected.translatedText(), value.translatedText());
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assertEquals(expected.sourceLanguage(), value.sourceLanguage());
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assertEquals(expected.hashCode(), value.hashCode());
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assertEquals(expected.toString(), value.toString());
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}
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}

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