diff --git a/gcloud-java-translate/src/main/java/com/google/cloud/translate/Detection.java b/gcloud-java-translate/src/main/java/com/google/cloud/translate/Detection.java
new file mode 100644
index 000000000000..8b924e5e9173
--- /dev/null
+++ b/gcloud-java-translate/src/main/java/com/google/cloud/translate/Detection.java
@@ -0,0 +1,92 @@
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ *
+ * 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 com.google.cloud.translate;
+
+import com.google.api.services.translate.model.DetectionsResourceItems;
+import com.google.common.base.MoreObjects;
+
+import java.io.Serializable;
+import java.util.Objects;
+
+/**
+ * Information about a language detection. Objects of this class contain the detected language and
+ * possibly a confidence level.
+ *
+ * Detecting Language
+ *
+ */
+public class Detection implements Serializable {
+
+ private static final long serialVersionUID = 5767106557994900916L;
+
+ private final String language;
+ private final Float confidence;
+
+ private Detection(String language, Float confidence) {
+ this.language = language;
+ this.confidence = confidence;
+ }
+
+ /**
+ * Returns the code of the detected language.
+ *
+ * @see
+ * Supported Languages
+ */
+ public String language() {
+ return language;
+ }
+
+ /**
+ * Returns an optional confidence value in the interval [0,1]. The closer this value is to 1, the
+ * higher the confidence level for the language detection. Note that this value is not always
+ * available.
+ */
+ public float confidence() {
+ return confidence;
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(this)
+ .add("language", language)
+ .add("confidence", confidence)
+ .toString();
+ }
+
+ @Override
+ public final int hashCode() {
+ return Objects.hash(language, confidence);
+ }
+
+ @Override
+ public final boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ }
+ if (obj == null || !obj.getClass().equals(Detection.class)) {
+ return false;
+ }
+ Detection other = (Detection) obj;
+ return Objects.equals(language, other.language)
+ && Objects.equals(confidence, other.confidence);
+ }
+
+ static Detection fromPb(DetectionsResourceItems detectionPb) {
+ return new Detection(detectionPb.getLanguage(), detectionPb.getConfidence());
+ }
+}
diff --git a/gcloud-java-translate/src/test/java/com/google/cloud/translate/DetectionTest.java b/gcloud-java-translate/src/test/java/com/google/cloud/translate/DetectionTest.java
new file mode 100644
index 000000000000..9300fae3e85d
--- /dev/null
+++ b/gcloud-java-translate/src/test/java/com/google/cloud/translate/DetectionTest.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright 2016 Google Inc. All Rights Reserved.
+ *
+ * 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 com.google.cloud.translate;
+
+import static org.junit.Assert.assertEquals;
+
+import com.google.api.services.translate.model.DetectionsResourceItems;
+
+import org.junit.Test;
+
+public class DetectionTest {
+
+ private static final String LANGUAGE = "en";
+ private static final float CONFIDENCE = 0.42F;
+ private static final DetectionsResourceItems DETECTION_PB =
+ new DetectionsResourceItems().setLanguage(LANGUAGE).setConfidence(CONFIDENCE);
+ private static final Detection DETECTION = Detection.fromPb(DETECTION_PB);
+
+ @Test
+ public void testFromPb() {
+ assertEquals(LANGUAGE, DETECTION.language());
+ assertEquals(CONFIDENCE, DETECTION.confidence(), 0);
+ compareDetection(DETECTION, Detection.fromPb(DETECTION_PB));
+ }
+
+ private void compareDetection(Detection expected, Detection value) {
+ assertEquals(expected, value);
+ assertEquals(expected.language(), value.language());
+ assertEquals(expected.confidence(), value.confidence(), 0);
+ assertEquals(expected.hashCode(), value.hashCode());
+ assertEquals(expected.toString(), value.toString());
+ }
+}