* ============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.
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;
* @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
--- /dev/null
+/*-
+ * ============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);
+ }
+ }
+}
--- /dev/null
+/*-
+ * ============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);
+ }
+ }
+}
--- /dev/null
+/*-
+ * ============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);
+ }
+ }
+}
--- /dev/null
+/*-
+ * ============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);
+ }
+ }
+}
* ============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.
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;
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;
return props.toString();
}
}
+
+ @ToString
+ private static class InterestingFields {
+ private LocalDateTime localDate;
+ private Instant instant;
+ private UUID uuid;
+ private ZonedDateTime zonedDate;
+ }
}
--- /dev/null
+/*-
+ * ============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;
+ }
+}
--- /dev/null
+/*-
+ * ============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;
+ }
+}
--- /dev/null
+/*-
+ * ============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;
+ }
+}
--- /dev/null
+/*-
+ * ============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;
+ }
+}
/**
* Adapter for standard objects.
*/
- private static class StandardTypeAdapter extends TypeAdapter<StandardCoderObject> {
+ protected static class StandardTypeAdapter extends TypeAdapter<StandardCoderObject> {
/**
* Used to read/write a JsonElement.
--- /dev/null
+/*-
+ * ============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.utils.coder;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonElement;
+import java.io.Reader;
+import java.io.Writer;
+import java.time.Instant;
+import lombok.AccessLevel;
+import lombok.Getter;
+import org.onap.policy.common.gson.GsonMessageBodyHandler;
+import org.onap.policy.common.gson.InstantAsMillisTypeAdapter;
+
+/**
+ * JSON encoder and decoder using the "standard" mechanism, but encodes Instant fields as
+ * Long milliseconds.
+ */
+public class StandardCoderInstantAsMillis extends StandardCoder {
+
+ /**
+ * Gson object used to encode and decode messages.
+ */
+ @Getter(AccessLevel.PROTECTED)
+ private static final Gson GSON;
+
+ /**
+ * Gson object used to encode messages in "pretty" format.
+ */
+ @Getter(AccessLevel.PROTECTED)
+ private static final Gson GSON_PRETTY;
+
+ static {
+ GsonBuilder builder = GsonMessageBodyHandler
+ .configBuilder(new GsonBuilder().registerTypeAdapter(StandardCoderObject.class,
+ new StandardTypeAdapter()))
+ .registerTypeAdapter(Instant.class, new InstantAsMillisTypeAdapter());
+
+ GSON = builder.create();
+ GSON_PRETTY = builder.setPrettyPrinting().create();
+ }
+
+ /**
+ * Constructs the object.
+ */
+ public StandardCoderInstantAsMillis() {
+ super();
+ }
+
+ @Override
+ protected String toPrettyJson(Object object) {
+ return GSON_PRETTY.toJson(object);
+ }
+
+ @Override
+ public StandardCoderObject toStandard(Object object) throws CoderException {
+ try {
+ return new StandardCoderObject(GSON.toJsonTree(object));
+
+ } catch (RuntimeException e) {
+ throw new CoderException(e);
+ }
+ }
+
+ @Override
+ public <T> T fromStandard(StandardCoderObject sco, Class<T> clazz) throws CoderException {
+ try {
+ return GSON.fromJson(sco.getData(), clazz);
+
+ } catch (RuntimeException e) {
+ throw new CoderException(e);
+ }
+ }
+
+ // the remaining methods are wrappers that can be overridden by junit tests
+
+ @Override
+ protected JsonElement toJsonTree(Object object) {
+ return GSON.toJsonTree(object);
+ }
+
+ @Override
+ protected String toJson(Object object) {
+ return GSON.toJson(object);
+ }
+
+ @Override
+ protected void toJson(Writer target, Object object) {
+ GSON.toJson(object, object.getClass(), target);
+ }
+
+ @Override
+ protected <T> T fromJson(JsonElement json, Class<T> clazz) {
+ return convertFromDouble(clazz, GSON.fromJson(json, clazz));
+ }
+
+ @Override
+ protected <T> T fromJson(String json, Class<T> clazz) {
+ return convertFromDouble(clazz, GSON.fromJson(json, clazz));
+ }
+
+ @Override
+ protected <T> T fromJson(Reader source, Class<T> clazz) {
+ return convertFromDouble(clazz, GSON.fromJson(source, clazz));
+ }
+}
--- /dev/null
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP PAP
+ * ================================================================================
+ * 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.
+ * 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.utils.coder;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+
+import com.google.gson.JsonElement;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.time.Instant;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import lombok.ToString;
+import org.junit.Before;
+import org.junit.Test;
+
+public class StandardCoderInstantAsMillisTest {
+ private static final long INSTANT_MILLIS = 1583249713500L;
+ private static final String INSTANT_TEXT = String.valueOf(INSTANT_MILLIS);
+
+ private StandardCoder coder;
+
+ @Before
+ public void setUp() {
+ coder = new StandardCoderInstantAsMillis();
+ }
+
+ @Test
+ public void testConvert() throws CoderException {
+ MyObject obj = makeObject();
+
+ @SuppressWarnings("unchecked")
+ Map<String, Object> map = coder.convert(obj, LinkedHashMap.class);
+
+ assertThat(map.toString()).contains(INSTANT_TEXT);
+
+ MyObject obj2 = coder.convert(map, MyObject.class);
+ assertEquals(obj.toString(), obj2.toString());
+ }
+
+ @Test
+ public void testEncodeDecode() throws CoderException {
+ MyObject obj = makeObject();
+ assertThat(coder.encode(obj, false)).contains(INSTANT_TEXT);
+ assertThat(coder.encode(obj, true)).contains(INSTANT_TEXT);
+
+ String json = coder.encode(obj);
+ MyObject obj2 = coder.decode(json, MyObject.class);
+ assertEquals(obj.toString(), obj2.toString());
+
+ StringWriter wtr = new StringWriter();
+ coder.encode(wtr, obj);
+ json = wtr.toString();
+ assertThat(json).contains(INSTANT_TEXT);
+
+ StringReader rdr = new StringReader(json);
+ obj2 = coder.decode(rdr, MyObject.class);
+ assertEquals(obj.toString(), obj2.toString());
+ }
+
+ @Test
+ public void testJson() {
+ MyObject obj = makeObject();
+ assertThat(coder.toPrettyJson(obj)).contains(INSTANT_TEXT);
+ }
+
+ @Test
+ public void testToJsonTree_testFromJsonJsonElementClassT() throws Exception {
+ MyMap map = new MyMap();
+ map.props = new LinkedHashMap<>();
+ map.props.put("jel keyA", "jel valueA");
+ map.props.put("jel keyB", "jel valueB");
+
+ JsonElement json = coder.toJsonTree(map);
+ assertEquals("{'props':{'jel keyA':'jel valueA','jel keyB':'jel valueB'}}".replace('\'', '"'), json.toString());
+
+ Object result = coder.fromJson(json, MyMap.class);
+
+ assertNotNull(result);
+ assertEquals("{jel keyA=jel valueA, jel keyB=jel valueB}", result.toString());
+ }
+
+ @Test
+ public void testConvertFromDouble() throws Exception {
+ String text = "[listA, {keyA=100}, 200]";
+ assertEquals(text, coder.decode(text, Object.class).toString());
+
+ text = "{keyB=200}";
+ assertEquals(text, coder.decode(text, Object.class).toString());
+ }
+
+ @Test
+ public void testToStandard() throws Exception {
+ MyObject obj = makeObject();
+ StandardCoderObject sco = coder.toStandard(obj);
+ assertNotNull(sco.getData());
+ assertEquals("{'abc':'xyz','instant':1583249713500}".replace('\'', '"'), sco.getData().toString());
+
+ // class instead of object -> exception
+ assertThatThrownBy(() -> coder.toStandard(String.class)).isInstanceOf(CoderException.class);
+ }
+
+ @Test
+ public void testFromStandard() throws Exception {
+ MyObject obj = new MyObject();
+ obj.abc = "pdq";
+ StandardCoderObject sco = coder.toStandard(obj);
+
+ MyObject obj2 = coder.fromStandard(sco, MyObject.class);
+ assertEquals(obj.toString(), obj2.toString());
+
+ // null class -> exception
+ assertThatThrownBy(() -> coder.fromStandard(sco, null)).isInstanceOf(CoderException.class);
+ }
+
+
+ private MyObject makeObject() {
+ MyObject obj = new MyObject();
+ obj.abc = "xyz";
+ obj.instant = Instant.ofEpochMilli(INSTANT_MILLIS);
+ return obj;
+ }
+
+
+ @ToString
+ private static class MyObject {
+ private String abc;
+ private Instant instant;
+ }
+
+ public static class MyMap {
+ private Map<String, Object> props;
+
+ @Override
+ public String toString() {
+ return props.toString();
+ }
+ }
+}
Code Review / policy / common.git / commitdiff