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-rw-r--r--gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java10
-rw-r--r--gson/src/main/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapter.java58
-rw-r--r--gson/src/main/java/org/onap/policy/common/gson/InstantTypeAdapter.java60
-rw-r--r--gson/src/main/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapter.java64
-rw-r--r--gson/src/main/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapter.java64
-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/GsonMessageBodyHandlerTest.java45
-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapterTest.java66
-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/InstantTypeAdapterTest.java73
-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapterTest.java72
-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapterTest.java73
10 files changed, 582 insertions, 3 deletions
diff --git a/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java b/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
index 75d58f2f..d6e36b39 100644
--- a/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
+++ b/gson/src/main/java/org/onap/policy/common/gson/GsonMessageBodyHandler.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. 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.
@@ -30,6 +30,9 @@ import java.io.OutputStreamWriter;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZonedDateTime;
import javax.ws.rs.Consumes;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
@@ -85,7 +88,10 @@ public class GsonMessageBodyHandler implements MessageBodyReader<Object>, Messag
* @return the configured builder
*/
public static GsonBuilder configBuilder(GsonBuilder builder) {
- return builder.disableHtmlEscaping().registerTypeAdapterFactory(new MapDoubleAdapterFactory());
+ return builder.disableHtmlEscaping().registerTypeAdapterFactory(new MapDoubleAdapterFactory())
+ .registerTypeAdapter(Instant.class, new InstantTypeAdapter())
+ .registerTypeAdapter(LocalDateTime.class, new LocalDateTimeTypeAdapter())
+ .registerTypeAdapter(ZonedDateTime.class, new ZonedDateTimeTypeAdapter());
}
@Override
diff --git a/gson/src/main/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapter.java b/gson/src/main/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapter.java
new file mode 100644
index 00000000..6bcfaac3
--- /dev/null
+++ b/gson/src/main/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapter.java
@@ -0,0 +1,58 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.time.Instant;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * GSON Type Adapter for "Instant" fields, that encodes them as milliseconds.
+ */
+public class InstantAsMillisTypeAdapter extends TypeAdapter<Instant> {
+
+ @Override
+ public void write(JsonWriter out, Instant value) throws IOException {
+ if (value == null) {
+ out.nullValue();
+ } else {
+ long epochMillis = TimeUnit.MILLISECONDS.convert(value.getEpochSecond(), TimeUnit.SECONDS);
+ long nanoMillis = TimeUnit.MILLISECONDS.convert(value.getNano(), TimeUnit.NANOSECONDS);
+ long millis = epochMillis + nanoMillis;
+ out.value(millis);
+ }
+ }
+
+ @Override
+ public Instant read(JsonReader in) throws IOException {
+ if (in.peek() == JsonToken.NULL) {
+ in.nextNull();
+ return null;
+ } else {
+ long millis = in.nextLong();
+ return Instant.ofEpochMilli(millis);
+ }
+ }
+}
diff --git a/gson/src/main/java/org/onap/policy/common/gson/InstantTypeAdapter.java b/gson/src/main/java/org/onap/policy/common/gson/InstantTypeAdapter.java
new file mode 100644
index 00000000..9ebf2baa
--- /dev/null
+++ b/gson/src/main/java/org/onap/policy/common/gson/InstantTypeAdapter.java
@@ -0,0 +1,60 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.time.Instant;
+import java.time.format.DateTimeParseException;
+
+/**
+ * GSON Type Adapter for "Instant" fields, that uses the standard ISO_INSTANT formatter.
+ */
+public class InstantTypeAdapter extends TypeAdapter<Instant> {
+
+ @Override
+ public void write(JsonWriter out, Instant value) throws IOException {
+ if (value == null) {
+ out.nullValue();
+ } else {
+ out.value(value.toString());
+ }
+ }
+
+ @Override
+ public Instant read(JsonReader in) throws IOException {
+ try {
+ if (in.peek() == JsonToken.NULL) {
+ in.nextNull();
+ return null;
+ } else {
+ String text = in.nextString();
+ return Instant.parse(text);
+ }
+
+ } catch (DateTimeParseException e) {
+ throw new IOException("invalid date", e);
+ }
+ }
+}
diff --git a/gson/src/main/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapter.java b/gson/src/main/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapter.java
new file mode 100644
index 00000000..2b297cbf
--- /dev/null
+++ b/gson/src/main/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapter.java
@@ -0,0 +1,64 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import com.google.gson.JsonParseException;
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * GSON Type Adapter for "LocalDateTime" fields, that uses the standard
+ * ISO_LOCAL_DATE_TIME formatter.
+ */
+public class LocalDateTimeTypeAdapter extends TypeAdapter<LocalDateTime> {
+ private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ISO_LOCAL_DATE_TIME;
+
+ @Override
+ public LocalDateTime read(JsonReader in) throws IOException {
+ try {
+ if (in.peek() == JsonToken.NULL) {
+ in.nextNull();
+ return null;
+ } else {
+ return LocalDateTime.parse(in.nextString(), FORMATTER);
+ }
+
+ } catch (DateTimeParseException e) {
+ throw new JsonParseException("invalid date", e);
+ }
+ }
+
+ @Override
+ public void write(JsonWriter out, LocalDateTime value) throws IOException {
+ if (value == null) {
+ out.nullValue();
+ } else {
+ String text = value.format(FORMATTER);
+ out.value(text);
+ }
+ }
+}
diff --git a/gson/src/main/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapter.java b/gson/src/main/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapter.java
new file mode 100644
index 00000000..147fb03d
--- /dev/null
+++ b/gson/src/main/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapter.java
@@ -0,0 +1,64 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import com.google.gson.JsonParseException;
+import com.google.gson.TypeAdapter;
+import com.google.gson.stream.JsonReader;
+import com.google.gson.stream.JsonToken;
+import com.google.gson.stream.JsonWriter;
+import java.io.IOException;
+import java.time.ZonedDateTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * GSON Type Adapter for "ZonedDateTime" fields, that uses the standard
+ * ISO_ZONED_DATE_TIME formatter.
+ */
+public class ZonedDateTimeTypeAdapter extends TypeAdapter<ZonedDateTime> {
+ private static final DateTimeFormatter FORMATTER = DateTimeFormatter.ISO_ZONED_DATE_TIME;
+
+ @Override
+ public ZonedDateTime read(JsonReader in) throws IOException {
+ try {
+ if (in.peek() == JsonToken.NULL) {
+ in.nextNull();
+ return null;
+ } else {
+ return ZonedDateTime.parse(in.nextString(), FORMATTER);
+ }
+
+ } catch (DateTimeParseException e) {
+ throw new JsonParseException("invalid date", e);
+ }
+ }
+
+ @Override
+ public void write(JsonWriter out, ZonedDateTime value) throws IOException {
+ if (value == null) {
+ out.nullValue();
+ } else {
+ String text = value.format(FORMATTER);
+ out.value(text);
+ }
+ }
+}
diff --git a/gson/src/test/java/org/onap/policy/common/gson/GsonMessageBodyHandlerTest.java b/gson/src/test/java/org/onap/policy/common/gson/GsonMessageBodyHandlerTest.java
index f1740ac1..c05a1e51 100644
--- a/gson/src/test/java/org/onap/policy/common/gson/GsonMessageBodyHandlerTest.java
+++ b/gson/src/test/java/org/onap/policy/common/gson/GsonMessageBodyHandlerTest.java
@@ -2,7 +2,7 @@
* ============LICENSE_START=======================================================
* ONAP
* ================================================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019-2020 AT&T Intellectual Property. 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.
@@ -20,15 +20,24 @@
package org.onap.policy.common.gson;
+import static org.assertj.core.api.Assertions.assertThat;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.time.LocalDateTime;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
import java.util.HashMap;
import java.util.Map;
+import java.util.UUID;
import javax.ws.rs.core.MediaType;
+import lombok.ToString;
import org.junit.Before;
import org.junit.Test;
@@ -160,6 +169,32 @@ public class GsonMessageBodyHandlerTest {
assertEquals(12.5, map.props.get("doubleVal"));
}
+ @Test
+ public void testInterestingFields() throws IOException {
+ InterestingFields data = new InterestingFields();
+ data.instant = Instant.ofEpochMilli(1583249713500L);
+ data.uuid = UUID.fromString("a850cb9f-3c5e-417c-abfd-0679cdcd1ab0");
+ data.localDate = LocalDateTime.of(2020, 2, 3, 4, 5, 6, 789000000);
+ data.zonedDate = ZonedDateTime.of(2020, 2, 3, 4, 5, 6, 789000000, ZoneId.of("US/Eastern"));
+
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+ hdlr.writeTo(data, data.getClass(), data.getClass(), null, null, null, outstr);
+
+ // ensure fields are encoded as expected
+
+ // @formatter:off
+ assertThat(outstr.toString(StandardCharsets.UTF_8))
+ .contains("\"2020-03-03T15:35:13.500Z\"")
+ .contains("\"2020-02-03T04:05:06.789\"")
+ .contains("\"2020-02-03T04:05:06.789-05:00[US/Eastern]\"")
+ .contains("a850cb9f-3c5e-417c-abfd-0679cdcd1ab0");
+ // @formatter:on
+
+ Object obj2 = hdlr.readFrom(Object.class, data.getClass(), null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+ assertEquals(data.toString(), obj2.toString());
+ }
+
public static class MyObject {
private int id;
@@ -186,4 +221,12 @@ public class GsonMessageBodyHandlerTest {
return props.toString();
}
}
+
+ @ToString
+ private static class InterestingFields {
+ private LocalDateTime localDate;
+ private Instant instant;
+ private UUID uuid;
+ private ZonedDateTime zonedDate;
+ }
}
diff --git a/gson/src/test/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapterTest.java b/gson/src/test/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapterTest.java
new file mode 100644
index 00000000..c48919a7
--- /dev/null
+++ b/gson/src/test/java/org/onap/policy/common/gson/InstantAsMillisTypeAdapterTest.java
@@ -0,0 +1,66 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.Assert.assertEquals;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import java.time.Instant;
+import lombok.ToString;
+import org.junit.Test;
+
+public class InstantAsMillisTypeAdapterTest {
+ private static Gson gson =
+ new GsonBuilder().registerTypeAdapter(Instant.class, new InstantAsMillisTypeAdapter()).create();
+
+ @Test
+ public void test() {
+ InterestingFields data = new InterestingFields();
+ data.instant = Instant.ofEpochMilli(1583249713500L);
+
+ String json = gson.toJson(data);
+
+ // instant should be encoded as a number, without quotes
+ assertThat(json).doesNotContain("nanos").contains("1583249713500").doesNotContain("\"1583249713500\"")
+ .doesNotContain("T");
+
+ InterestingFields data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // null output
+ data.instant = null;
+ json = gson.toJson(data);
+ data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // null input
+ data2 = gson.fromJson("{\"instant\":null}", InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+ }
+
+
+ @ToString
+ private static class InterestingFields {
+ private Instant instant;
+ }
+}
diff --git a/gson/src/test/java/org/onap/policy/common/gson/InstantTypeAdapterTest.java b/gson/src/test/java/org/onap/policy/common/gson/InstantTypeAdapterTest.java
new file mode 100644
index 00000000..97219d0d
--- /dev/null
+++ b/gson/src/test/java/org/onap/policy/common/gson/InstantTypeAdapterTest.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParseException;
+import java.time.Instant;
+import lombok.ToString;
+import org.junit.Test;
+
+public class InstantTypeAdapterTest {
+ private static Gson gson =
+ new GsonBuilder().registerTypeAdapter(Instant.class, new InstantTypeAdapter()).create();
+
+ @Test
+ public void test() {
+ InterestingFields data = new InterestingFields();
+ data.instant = Instant.ofEpochMilli(1583249713500L);
+
+ String json = gson.toJson(data);
+
+ // instant should be encoded as a number, without quotes
+ assertThat(json).doesNotContain("nanos").contains("\"2020-03-03T15:35:13.500Z\"")
+ .doesNotContain("1583249713500");
+
+ InterestingFields data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // try when the date-time string is invalid
+ String json2 = json.replace("2020", "invalid-date");
+ assertThatThrownBy(() -> gson.fromJson(json2, InterestingFields.class)).isInstanceOf(JsonParseException.class)
+ .hasMessageContaining("invalid date");
+
+ // null output
+ data.instant = null;
+ json = gson.toJson(data);
+ data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // null input
+ data2 = gson.fromJson("{\"instant\":null}", InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+ }
+
+
+ @ToString
+ private static class InterestingFields {
+ private Instant instant;
+ }
+}
diff --git a/gson/src/test/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapterTest.java b/gson/src/test/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapterTest.java
new file mode 100644
index 00000000..2778a4ba
--- /dev/null
+++ b/gson/src/test/java/org/onap/policy/common/gson/LocalDateTimeTypeAdapterTest.java
@@ -0,0 +1,72 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParseException;
+import java.time.LocalDateTime;
+import lombok.ToString;
+import org.junit.Test;
+
+public class LocalDateTimeTypeAdapterTest {
+ private static Gson gson =
+ new GsonBuilder().registerTypeAdapter(LocalDateTime.class, new LocalDateTimeTypeAdapter()).create();
+
+ @Test
+ public void test() {
+ InterestingFields data = new InterestingFields();
+ data.date = LocalDateTime.of(2020, 2, 3, 4, 5, 6, 789000000);
+
+ String json = gson.toJson(data);
+
+ // instant should be encoded as a number, without quotes
+ assertThat(json).doesNotContain("year").contains("\"2020-02-03T04:05:06.789\"");
+
+ InterestingFields data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // try when the date-time string is invalid
+ String json2 = json.replace("2020", "invalid-date");
+ assertThatThrownBy(() -> gson.fromJson(json2, InterestingFields.class)).isInstanceOf(JsonParseException.class)
+ .hasMessageContaining("invalid date");
+
+ // null output
+ data.date = null;
+ json = gson.toJson(data);
+ data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // null input
+ data2 = gson.fromJson("{\"date\":null}", InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+ }
+
+
+ @ToString
+ private static class InterestingFields {
+ private LocalDateTime date;
+ }
+}
diff --git a/gson/src/test/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapterTest.java b/gson/src/test/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapterTest.java
new file mode 100644
index 00000000..766a979d
--- /dev/null
+++ b/gson/src/test/java/org/onap/policy/common/gson/ZonedDateTimeTypeAdapterTest.java
@@ -0,0 +1,73 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2020 AT&T Intellectual Property. 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.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.common.gson;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonParseException;
+import java.time.ZoneId;
+import java.time.ZonedDateTime;
+import lombok.ToString;
+import org.junit.Test;
+
+public class ZonedDateTimeTypeAdapterTest {
+ private static Gson gson =
+ new GsonBuilder().registerTypeAdapter(ZonedDateTime.class, new ZonedDateTimeTypeAdapter()).create();
+
+ @Test
+ public void test() {
+ InterestingFields data = new InterestingFields();
+ data.date = ZonedDateTime.of(2020, 2, 3, 4, 5, 6, 789000000, ZoneId.of("US/Eastern"));
+
+ String json = gson.toJson(data);
+
+ // instant should be encoded as a number, without quotes
+ assertThat(json).doesNotContain("year").contains("\"2020-02-03T04:05:06.789-05:00[US/Eastern]\"");
+
+ InterestingFields data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // try when the date-time string is invalid
+ String json2 = json.replace("2020", "invalid-date");
+ assertThatThrownBy(() -> gson.fromJson(json2, InterestingFields.class)).isInstanceOf(JsonParseException.class)
+ .hasMessageContaining("invalid date");
+
+ // null output
+ data.date = null;
+ json = gson.toJson(data);
+ data2 = gson.fromJson(json, InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+
+ // null input
+ data2 = gson.fromJson("{\"date\":null}", InterestingFields.class);
+ assertEquals(data.toString(), data2.toString());
+ }
+
+
+ @ToString
+ private static class InterestingFields {
+ private ZonedDateTime date;
+ }
+}