Create StandardYamlCoder
Created StandardYamlCoder which is like a StandardCoder, except that
the original converts to/from JSON, while the new class converts to/from
YAML. Also added YamlMessageBodyHandler and incorporated it into the
http server so that it supports a media type of */yaml.
Change-Id: Ibd83a9f6d355a330f63e435f2bb41affcf1947c2
Issue-ID: POLICY-2065
Signed-off-by: Jim Hahn <jrh3@att.com>
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
index 2368c0b..decf95f 100644
--- a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/RestServer.java
@@ -99,7 +99,8 @@
props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_AAF_SUFFIX,
String.valueOf(restServerParameters.isAaf()));
props.setProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_SERIALIZATION_PROVIDER,
- String.join(",", GsonMessageBodyHandler.class.getName(), JsonExceptionMapper.class.getName()));
+ String.join(",", GsonMessageBodyHandler.class.getName(), YamlMessageBodyHandler.class.getName(),
+ JsonExceptionMapper.class.getName()));
return props;
}
diff --git a/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java
new file mode 100644
index 0000000..ab09c1a
--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/common/endpoints/http/server/YamlMessageBodyHandler.java
@@ -0,0 +1,110 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.endpoints.http.server;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.OutputStreamWriter;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import java.nio.charset.StandardCharsets;
+import javax.ws.rs.Consumes;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import javax.ws.rs.ext.MessageBodyReader;
+import javax.ws.rs.ext.MessageBodyWriter;
+import javax.ws.rs.ext.Provider;
+import org.onap.policy.common.utils.coder.CoderException;
+import org.onap.policy.common.utils.coder.StandardYamlCoder;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * Provider that serializes and de-serializes JSON via gson.
+ */
+@Provider
+@Consumes(MediaType.WILDCARD)
+@Produces(MediaType.WILDCARD)
+public class YamlMessageBodyHandler implements MessageBodyReader<Object>, MessageBodyWriter<Object> {
+
+ public static final Logger logger = LoggerFactory.getLogger(YamlMessageBodyHandler.class);
+
+ /**
+ * Constructs the object.
+ */
+ public YamlMessageBodyHandler() {
+ logger.info("Accepting YAML for REST calls");
+ }
+
+ @Override
+ public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+ return canHandle(mediaType);
+ }
+
+ @Override
+ public long getSize(Object object, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+ return -1;
+ }
+
+ @Override
+ public void writeTo(Object object, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
+
+ try (OutputStreamWriter writer = new OutputStreamWriter(entityStream, StandardCharsets.UTF_8)) {
+ new StandardYamlCoder().encode(writer, object);
+
+ } catch (CoderException e) {
+ throw new IOException(e);
+ }
+ }
+
+ @Override
+ public boolean isReadable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
+ return canHandle(mediaType);
+ }
+
+ /**
+ * Determines if this provider can handle the given media type.
+ *
+ * @param mediaType the media type of interest
+ * @return {@code true} if this provider handles the given media type, {@code false}
+ * otherwise
+ */
+ private boolean canHandle(MediaType mediaType) {
+ return (mediaType != null && "yaml".equalsIgnoreCase(mediaType.getSubtype()));
+ }
+
+ @Override
+ public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException {
+
+ try (InputStreamReader streamReader = new InputStreamReader(entityStream, StandardCharsets.UTF_8)) {
+ Class<?> clazz = (Class<?>) genericType;
+ return new StandardYamlCoder().decode(streamReader, clazz);
+
+ } catch (CoderException e) {
+ throw new IOException(e);
+ }
+ }
+}
diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
index f2b5364..84f82f1 100644
--- a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/HttpServerTest.java
@@ -26,9 +26,8 @@
import static org.junit.Assert.assertTrue;
import com.google.gson.Gson;
-import java.io.BufferedReader;
import java.io.IOException;
-import java.io.InputStreamReader;
+import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
@@ -40,6 +39,7 @@
import org.junit.Test;
import org.onap.policy.common.endpoints.http.server.HttpServletServer;
import org.onap.policy.common.endpoints.http.server.HttpServletServerFactoryInstance;
+import org.onap.policy.common.utils.coder.StandardYamlCoder;
import org.onap.policy.common.utils.gson.GsonTestUtils;
import org.onap.policy.common.utils.network.NetworkUtil;
import org.slf4j.Logger;
@@ -50,6 +50,8 @@
*/
public class HttpServerTest {
private static final String LOCALHOST = "localhost";
+ private static final String JSON_MEDIA = "application/json";
+ private static final String YAML_MEDIA = "application/yaml";
private static final String SWAGGER_JSON = "/swagger.json";
private static final String JUNIT_ECHO_HELLO = "/junit/echo/hello";
private static final String JUNIT_ECHO_FULL_REQUEST = "/junit/echo/full/request";
@@ -84,6 +86,7 @@
MyJacksonProvider.resetSome();
MyGsonProvider.resetSome();
+ MyYamlProvider.resetSome();
}
private static void incrementPort() {
@@ -112,7 +115,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
}
@@ -135,7 +138,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
assertTrue(MyJacksonProvider.hasReadSome());
@@ -143,6 +146,9 @@
assertFalse(MyGsonProvider.hasReadSome());
assertFalse(MyGsonProvider.hasWrittenSome());
+
+ assertFalse(MyYamlProvider.hasReadSome());
+ assertFalse(MyYamlProvider.hasWrittenSome());
}
@Test
@@ -164,7 +170,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
assertTrue(MyGsonProvider.hasReadSome());
@@ -172,6 +178,43 @@
assertFalse(MyJacksonProvider.hasReadSome());
assertFalse(MyJacksonProvider.hasWrittenSome());
+
+ assertFalse(MyYamlProvider.hasReadSome());
+ assertFalse(MyYamlProvider.hasWrittenSome());
+ }
+
+ @Test
+ public void testYamlPackageServer() throws Exception {
+ logger.info("-- testYamlPackageServer() --");
+
+ HttpServletServer server = HttpServletServerFactoryInstance.getServerFactory()
+ .build("echo", LOCALHOST, port, "/", false, true);
+
+ server.setSerializationProvider(MyYamlProvider.class.getName());
+ server.addServletPackage("/*", this.getClass().getPackage().getName());
+ server.addFilterClass("/*", TestFilter.class.getName());
+ server.waitedStart(5000);
+
+ assertTrue(HttpServletServerFactoryInstance.getServerFactory().get(port).isAlive());
+
+ RestEchoReqResp request = new RestEchoReqResp();
+ request.setRequestId(100);
+ request.setText(SOME_TEXT);
+ String reqText = new StandardYamlCoder().encode(request);
+
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, YAML_MEDIA, reqText);
+
+ // response reader strips newlines, so we should, too, before comparing
+ assertEquals(reqText.replace("\n", ""), response);
+
+ assertTrue(MyYamlProvider.hasReadSome());
+ assertTrue(MyYamlProvider.hasWrittenSome());
+
+ assertFalse(MyGsonProvider.hasReadSome());
+ assertFalse(MyGsonProvider.hasWrittenSome());
+
+ assertFalse(MyJacksonProvider.hasReadSome());
+ assertFalse(MyJacksonProvider.hasWrittenSome());
}
@Test
@@ -191,7 +234,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
}
@@ -213,7 +256,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
assertTrue(MyJacksonProvider.hasReadSome());
@@ -221,6 +264,9 @@
assertFalse(MyGsonProvider.hasReadSome());
assertFalse(MyGsonProvider.hasWrittenSome());
+
+ assertFalse(MyYamlProvider.hasReadSome());
+ assertFalse(MyYamlProvider.hasWrittenSome());
}
@Test
@@ -241,7 +287,7 @@
request.setText(SOME_TEXT);
String reqText = gson.toJson(request);
- String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, reqText);
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, JSON_MEDIA, reqText);
assertEquals(reqText, response);
assertTrue(MyGsonProvider.hasReadSome());
@@ -249,6 +295,42 @@
assertFalse(MyJacksonProvider.hasReadSome());
assertFalse(MyJacksonProvider.hasWrittenSome());
+
+ assertFalse(MyYamlProvider.hasReadSome());
+ assertFalse(MyYamlProvider.hasWrittenSome());
+ }
+
+ @Test
+ public void testYamlClassServer() throws Exception {
+ logger.info("-- testYamlClassServer() --");
+
+ HttpServletServer server = HttpServletServerFactoryInstance.getServerFactory()
+ .build("echo", LOCALHOST, port, "/", false, true);
+ server.setSerializationProvider(MyYamlProvider.class.getName());
+ server.addServletClass("/*", RestEchoService.class.getName());
+ server.addFilterClass("/*", TestFilter.class.getName());
+ server.waitedStart(5000);
+
+ assertTrue(HttpServletServerFactoryInstance.getServerFactory().get(port).isAlive());
+
+ RestEchoReqResp request = new RestEchoReqResp();
+ request.setRequestId(100);
+ request.setText(SOME_TEXT);
+ String reqText = new StandardYamlCoder().encode(request);
+
+ String response = http(portUrl + JUNIT_ECHO_FULL_REQUEST, YAML_MEDIA, reqText);
+
+ // response reader strips newlines, so we should, too, before comparing
+ assertEquals(reqText.replace("\n", ""), response);
+
+ assertTrue(MyYamlProvider.hasReadSome());
+ assertTrue(MyYamlProvider.hasWrittenSome());
+
+ assertFalse(MyGsonProvider.hasReadSome());
+ assertFalse(MyGsonProvider.hasWrittenSome());
+
+ assertFalse(MyJacksonProvider.hasReadSome());
+ assertFalse(MyJacksonProvider.hasWrittenSome());
}
@Test
@@ -416,7 +498,7 @@
* @throws IOException thrown is IO exception occurs
* @throws InterruptedException thrown if thread interrupted occurs
*/
- private String http(String urlString, String post)
+ private String http(String urlString, String mediaType, String post)
throws IOException, InterruptedException {
URL url = new URL(urlString);
if (!NetworkUtil.isTcpPortOpen(url.getHost(), url.getPort(), 25, 2)) {
@@ -425,7 +507,7 @@
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("POST");
conn.setDoOutput(true);
- conn.setRequestProperty("Content-Type", "application/json");
+ conn.setRequestProperty("Content-Type", mediaType);
IOUtils.write(post, conn.getOutputStream());
return response(conn);
}
@@ -438,14 +520,9 @@
* @throws IOException if an I/O error occurs
*/
private String response(URLConnection conn) throws IOException {
- StringBuilder response = new StringBuilder();
- try (BufferedReader ioReader = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
- String line;
- while ((line = ioReader.readLine()) != null) {
- response.append(line);
- }
+ try (InputStream inpstr = conn.getInputStream()) {
+ return String.join("", IOUtils.readLines(inpstr));
}
- return response.toString();
}
}
diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/MyYamlProvider.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/MyYamlProvider.java
new file mode 100644
index 0000000..098ecb4
--- /dev/null
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/MyYamlProvider.java
@@ -0,0 +1,82 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.endpoints.http.server.test;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.lang.annotation.Annotation;
+import java.lang.reflect.Type;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.MultivaluedMap;
+import lombok.AccessLevel;
+import lombok.Setter;
+import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
+
+/**
+ * YamlMessageBodyHandler that tracks activities.
+ */
+public class MyYamlProvider extends YamlMessageBodyHandler {
+
+ @Setter(AccessLevel.PRIVATE)
+ private static boolean readSome = false;
+
+ @Setter(AccessLevel.PRIVATE)
+ private static boolean wroteSome = false;
+
+ /**
+ * Constructs the object and resets the variables to indicate that no activity has
+ * occurred yet.
+ */
+ public MyYamlProvider() {
+ super();
+ }
+
+ @Override
+ public Object readFrom(Class<Object> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, String> httpHeaders, InputStream entityStream) throws IOException {
+
+ setReadSome(true);
+ return super.readFrom(type, genericType, annotations, mediaType, httpHeaders, entityStream);
+ }
+
+ @Override
+ public void writeTo(Object object, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
+ MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException {
+
+ setWroteSome(true);
+ super.writeTo(object, type, genericType, annotations, mediaType, httpHeaders, entityStream);
+ }
+
+ public static boolean hasReadSome() {
+ return readSome;
+ }
+
+ public static boolean hasWrittenSome() {
+ return wroteSome;
+ }
+
+ public static void resetSome() {
+ MyYamlProvider.readSome = false;
+ MyYamlProvider.wroteSome = false;
+ }
+
+}
diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestEchoService.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestEchoService.java
index 9db1053..27ce300 100644
--- a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestEchoService.java
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestEchoService.java
@@ -56,7 +56,7 @@
@POST
@Path("/full/request")
- @Produces(MediaType.APPLICATION_JSON)
+ @Produces({MediaType.APPLICATION_JSON, "application/yaml"})
@ApiOperation(value = "echoes back the request structure", response = RestEchoReqResp.class)
public Response echoFullyPost(RestEchoReqResp reqResp) {
return Response.status(Status.OK).entity(reqResp).build();
diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestServerTest.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestServerTest.java
index fd9b59f..ee28b96 100644
--- a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestServerTest.java
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/RestServerTest.java
@@ -56,6 +56,7 @@
import org.onap.policy.common.endpoints.http.server.JsonExceptionMapper;
import org.onap.policy.common.endpoints.http.server.RestServer;
import org.onap.policy.common.endpoints.http.server.RestServer.Factory;
+import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
import org.onap.policy.common.endpoints.http.server.aaf.AafAuthFilter;
import org.onap.policy.common.endpoints.parameters.RestServerParameters;
import org.onap.policy.common.endpoints.properties.PolicyEndPointProperties;
@@ -211,7 +212,8 @@
assertEquals(PASS, props.getProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_AUTH_PASSWORD_SUFFIX));
assertEquals("true", props.getProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_HTTPS_SUFFIX));
assertEquals("true", props.getProperty(svcpfx + PolicyEndPointProperties.PROPERTY_AAF_SUFFIX));
- assertEquals(String.join(",", GsonMessageBodyHandler.class.getName(), JsonExceptionMapper.class.getName()),
+ assertEquals(String.join(",", GsonMessageBodyHandler.class.getName(), YamlMessageBodyHandler.class.getName(),
+ JsonExceptionMapper.class.getName()),
props.getProperty(svcpfx + PolicyEndPointProperties.PROPERTY_HTTP_SERIALIZATION_PROVIDER));
}
diff --git a/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/YamlMessageBodyHandlerTest.java b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/YamlMessageBodyHandlerTest.java
new file mode 100644
index 0000000..b8963e9
--- /dev/null
+++ b/policy-endpoints/src/test/java/org/onap/policy/common/endpoints/http/server/test/YamlMessageBodyHandlerTest.java
@@ -0,0 +1,230 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.endpoints.http.server.test;
+
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+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.io.InputStream;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.Map;
+import javax.ws.rs.core.MediaType;
+import org.junit.Before;
+import org.junit.Test;
+import org.onap.policy.common.endpoints.http.server.YamlMessageBodyHandler;
+
+public class YamlMessageBodyHandlerTest {
+ private static final String EXPECTED_EXCEPTION = "expected exception";
+
+ private static final String GEN_TYPE = "some-type";
+ private static final String[] subtypes = {"yaml"};
+
+ @SuppressWarnings("rawtypes")
+ private static final Class GEN_CLASS = MyObject.class;
+
+ @SuppressWarnings("unchecked")
+ private static final Class<Object> CLASS_OBJ = GEN_CLASS;
+
+ private YamlMessageBodyHandler hdlr;
+
+ @Before
+ public void setUp() {
+ hdlr = new YamlMessageBodyHandler();
+ }
+
+ @Test
+ public void testIsWriteable() {
+ for (String subtype : subtypes) {
+ assertTrue("writeable " + subtype, hdlr.isWriteable(null, null, null, new MediaType(GEN_TYPE, subtype)));
+
+ }
+
+ // the remaining should be FALSE
+
+ // null media type
+ assertFalse(hdlr.isWriteable(null, null, null, null));
+
+ // null subtype
+ assertFalse(hdlr.isWriteable(null, null, null, new MediaType(GEN_TYPE, null)));
+
+ // text subtype
+ assertFalse(hdlr.isWriteable(null, null, null, MediaType.TEXT_HTML_TYPE));
+ }
+
+ @Test
+ public void testGetSize() {
+ assertEquals(-1, hdlr.getSize(null, null, null, null, null));
+ }
+
+ @Test
+ public void testWriteTo_testReadFrom() throws Exception {
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+ MyObject obj1 = new MyObject(10);
+ hdlr.writeTo(obj1, obj1.getClass(), CLASS_OBJ, null, null, null, outstr);
+
+ Object obj2 = hdlr.readFrom(CLASS_OBJ, CLASS_OBJ, null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+ assertEquals(obj1.toString(), obj2.toString());
+ }
+
+ @Test
+ public void testWriteTo_DifferentTypes() throws Exception {
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+
+ // use a derived type, but specify the base type when writing
+ MyObject obj1 = new DerivedObject(10);
+ hdlr.writeTo(obj1, obj1.getClass(), CLASS_OBJ, null, null, null, outstr);
+
+ Object obj2 = hdlr.readFrom(CLASS_OBJ, CLASS_OBJ, null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+ assertEquals(obj1.toString(), obj2.toString());
+ }
+
+ @Test
+ public void testWriteTo_Ex() throws Exception {
+ OutputStream outstr = new OutputStream() {
+ @Override
+ public void write(int value) throws IOException {
+ throw new IOException(EXPECTED_EXCEPTION);
+ }
+ };
+
+ MyObject obj1 = new MyObject(10);
+
+ assertThatThrownBy(() -> hdlr.writeTo(obj1, obj1.getClass(), CLASS_OBJ, null, null, null, outstr))
+ .isInstanceOf(IOException.class);
+
+ outstr.close();
+ }
+
+ @Test
+ public void testIsReadable() {
+ for (String subtype : subtypes) {
+ assertTrue("readable " + subtype, hdlr.isReadable(null, null, null, new MediaType(GEN_TYPE, subtype)));
+
+ }
+
+ // the remaining should be FALSE
+
+ // null media type
+ assertFalse(hdlr.isReadable(null, null, null, null));
+
+ // null subtype
+ assertFalse(hdlr.isReadable(null, null, null, new MediaType(GEN_TYPE, null)));
+
+ // text subtype
+ assertFalse(hdlr.isReadable(null, null, null, MediaType.TEXT_HTML_TYPE));
+ }
+
+ @Test
+ public void testReadFrom_DifferentTypes() throws Exception {
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+ MyObject obj1 = new MyObject(10);
+ hdlr.writeTo(obj1, obj1.getClass(), CLASS_OBJ, null, null, null, outstr);
+
+ // use a derived type, but specify the base type when reading
+ @SuppressWarnings("rawtypes")
+ Class clazz = DerivedObject.class;
+
+ @SuppressWarnings("unchecked")
+ Class<Object> objclazz = clazz;
+
+ Object obj2 = hdlr.readFrom(objclazz, CLASS_OBJ, null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+ assertEquals(obj1.toString(), obj2.toString());
+ }
+
+ @Test
+ public void testReadFrom_Ex() throws Exception {
+ InputStream inpstr = new InputStream() {
+ @Override
+ public int read() throws IOException {
+ throw new IOException(EXPECTED_EXCEPTION);
+ }
+ };
+
+ assertThatThrownBy(() -> hdlr.readFrom(CLASS_OBJ, CLASS_OBJ, null, null, null, inpstr))
+ .isInstanceOf(IOException.class);
+
+ inpstr.close();
+ }
+
+ @Test
+ public void testMapDouble() throws Exception {
+ MyMap map = new MyMap();
+ map.props = new HashMap<>();
+ map.props.put("plainString", "def");
+ map.props.put("negInt", -10);
+ map.props.put("doubleVal", 12.5);
+ map.props.put("posLong", 100000000000L);
+
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+ hdlr.writeTo(map, map.getClass(), map.getClass(), null, null, null, outstr);
+
+ Object obj2 = hdlr.readFrom(Object.class, map.getClass(), null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+ assertEquals(map.toString(), obj2.toString());
+
+ map = (MyMap) obj2;
+
+ assertEquals(-10, map.props.get("negInt"));
+ assertEquals(100000000000L, map.props.get("posLong"));
+ assertEquals(12.5, map.props.get("doubleVal"));
+ }
+
+ public static class DerivedObject extends MyObject {
+ public DerivedObject(int id) {
+ super(id);
+ }
+ }
+
+ public static class MyObject {
+ private int id;
+
+ public MyObject() {
+ super();
+ }
+
+ public MyObject(int id) {
+ this.id = id;
+ }
+
+ @Override
+ public String toString() {
+ return "MyObject [id=" + id + "]";
+ }
+ }
+
+ private static class MyMap {
+ private Map<String, Object> props;
+
+ @Override
+ public String toString() {
+ return props.toString();
+ }
+ }
+}
diff --git a/utils/pom.xml b/utils/pom.xml
index 78bddab..96d9c96 100644
--- a/utils/pom.xml
+++ b/utils/pom.xml
@@ -34,6 +34,10 @@
<dependencies>
<dependency>
+ <groupId>org.yaml</groupId>
+ <artifactId>snakeyaml</artifactId>
+ </dependency>
+ <dependency>
<groupId>com.google.code.gson</groupId>
<artifactId>gson</artifactId>
</dependency>
diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
index 80eddb8..d3d6981 100644
--- a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
+++ b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardCoder.java
@@ -211,6 +211,16 @@
}
/**
+ * Encodes an object into a json tree, without catching exceptions.
+ *
+ * @param object object to be encoded
+ * @return a json element representing the object
+ */
+ protected JsonElement toJsonTree(Object object) {
+ return GSON.toJsonTree(object);
+ }
+
+ /**
* Encodes an object into json, without catching exceptions.
*
* @param object object to be encoded
@@ -232,6 +242,17 @@
}
/**
+ * Decodes a json element into an object, without catching exceptions.
+ *
+ * @param json json element to be decoded
+ * @param clazz class of object to be decoded
+ * @return the object represented by the given json element
+ */
+ protected <T> T fromJson(JsonElement json, Class<T> clazz) {
+ return convertFromDouble(clazz, GSON.fromJson(json, clazz));
+ }
+
+ /**
* Decodes a json string into an object, without catching exceptions.
*
* @param json json string to be decoded
diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java
new file mode 100644
index 0000000..357b106
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/coder/StandardYamlCoder.java
@@ -0,0 +1,264 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.JsonArray;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonNull;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonPrimitive;
+import java.io.IOException;
+import java.io.Reader;
+import java.io.StringReader;
+import java.io.StringWriter;
+import java.io.Writer;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map.Entry;
+import org.yaml.snakeyaml.DumperOptions;
+import org.yaml.snakeyaml.Yaml;
+import org.yaml.snakeyaml.emitter.Emitter;
+import org.yaml.snakeyaml.error.YAMLException;
+import org.yaml.snakeyaml.nodes.MappingNode;
+import org.yaml.snakeyaml.nodes.Node;
+import org.yaml.snakeyaml.nodes.NodeTuple;
+import org.yaml.snakeyaml.nodes.ScalarNode;
+import org.yaml.snakeyaml.nodes.SequenceNode;
+import org.yaml.snakeyaml.nodes.Tag;
+import org.yaml.snakeyaml.resolver.Resolver;
+import org.yaml.snakeyaml.serializer.Serializer;
+
+/**
+ * YAML encoder and decoder using the "standard" mechanism, which is currently gson. All
+ * of the methods perform conversion to/from YAML (instead of JSON).
+ */
+public class StandardYamlCoder extends StandardCoder {
+
+ /**
+ * Constructs the object.
+ */
+ public StandardYamlCoder() {
+ super();
+ }
+
+ @Override
+ protected String toJson(Object object) {
+ StringWriter output = new StringWriter();
+ toJson(output, object);
+ return output.toString();
+ }
+
+ @Override
+ protected void toJson(Writer target, Object object) {
+ DumperOptions dumper = new DumperOptions();
+ Serializer serializer = new Serializer(new Emitter(target, dumper), new Resolver(), dumper, null);
+
+ try {
+ serializer.open();
+ serializer.serialize(makeYaml(toJsonTree(object)));
+ serializer.close();
+
+ } catch (IOException e) {
+ throw new YAMLException(e);
+ }
+ }
+
+ @Override
+ protected <T> T fromJson(String yaml, Class<T> clazz) {
+ Node node = new Yaml().compose(new StringReader(yaml));
+ return fromJson(makeGson(node), clazz);
+ }
+
+ @Override
+ protected <T> T fromJson(Reader source, Class<T> clazz) {
+ Node node = new Yaml().compose(source);
+ return fromJson(makeGson(node), clazz);
+ }
+
+ /**
+ * Converts an arbitrary gson element into a corresponding Yaml node.
+ *
+ * @param jel gson element to be converted
+ * @return a yaml node corresponding to the element
+ */
+ private Node makeYaml(JsonElement jel) {
+ if (jel.isJsonArray()) {
+ return makeYamlSequence((JsonArray) jel);
+
+ } else if (jel.isJsonObject()) {
+ return makeYamlMap((JsonObject) jel);
+
+ } else if (jel.isJsonPrimitive()) {
+ return makeYamlPrim((JsonPrimitive) jel);
+
+ } else {
+ return new ScalarNode(Tag.NULL, "", null, null, DumperOptions.ScalarStyle.PLAIN);
+ }
+ }
+
+ /**
+ * Converts an arbitrary gson array into a corresponding Yaml sequence.
+ *
+ * @param jel gson element to be converted
+ * @return a yaml node corresponding to the element
+ */
+ private Node makeYamlSequence(JsonArray jel) {
+ List<Node> nodes = new ArrayList<>(jel.size());
+ jel.forEach(item -> nodes.add(makeYaml(item)));
+
+ return new SequenceNode(Tag.SEQ, true, nodes, null, null, DumperOptions.FlowStyle.AUTO);
+ }
+
+ /**
+ * Converts an arbitrary gson object into a corresponding Yaml map.
+ *
+ * @param jel gson element to be converted
+ * @return a yaml node corresponding to the element
+ */
+ private Node makeYamlMap(JsonObject jel) {
+ List<NodeTuple> nodes = new ArrayList<>(jel.size());
+
+ for (Entry<String, JsonElement> entry : jel.entrySet()) {
+ Node key = new ScalarNode(Tag.STR, entry.getKey(), null, null, DumperOptions.ScalarStyle.PLAIN);
+ Node value = makeYaml(entry.getValue());
+
+ nodes.add(new NodeTuple(key, value));
+ }
+
+ return new MappingNode(Tag.MAP, true, nodes, null, null, DumperOptions.FlowStyle.AUTO);
+ }
+
+ /**
+ * Converts an arbitrary gson primitive into a corresponding Yaml scalar.
+ *
+ * @param jel gson element to be converted
+ * @return a yaml node corresponding to the element
+ */
+ private Node makeYamlPrim(JsonPrimitive jel) {
+ Tag tag;
+ if (jel.isNumber()) {
+ Class<? extends Number> clazz = jel.getAsNumber().getClass();
+
+ if (clazz == Double.class || clazz == Float.class) {
+ tag = Tag.FLOAT;
+
+ } else {
+ tag = Tag.INT;
+ }
+
+ } else if (jel.isBoolean()) {
+ tag = Tag.BOOL;
+
+ } else {
+ // treat anything else as a string
+ tag = Tag.STR;
+ }
+
+ return new ScalarNode(tag, jel.getAsString(), null, null, DumperOptions.ScalarStyle.PLAIN);
+ }
+
+ /**
+ * Converts an arbitrary Yaml node into a corresponding gson element.
+ *
+ * @param node node to be converted
+ * @return a gson element corresponding to the node
+ */
+ private JsonElement makeGson(Node node) {
+ if (node instanceof MappingNode) {
+ return makeGsonObject((MappingNode) node);
+
+ } else if (node instanceof SequenceNode) {
+ return makeGsonArray((SequenceNode) node);
+
+ } else {
+ return makeGsonPrim((ScalarNode) node);
+ }
+
+ // yaml doesn't appear to use anchor nodes when decoding so ignore them for now
+ }
+
+ /**
+ * Converts a Yaml sequence into a corresponding gson array.
+ *
+ * @param node node to be converted
+ * @return a gson element corresponding to the node
+ */
+ private JsonElement makeGsonArray(SequenceNode node) {
+ List<Node> nodes = node.getValue();
+
+ JsonArray array = new JsonArray(nodes.size());
+ nodes.forEach(subnode -> array.add(makeGson(subnode)));
+
+ return array;
+ }
+
+ /**
+ * Converts a Yaml map into a corresponding gson object.
+ *
+ * @param node node to be converted
+ * @return a gson element corresponding to the node
+ */
+ private JsonElement makeGsonObject(MappingNode node) {
+ JsonObject obj = new JsonObject();
+
+ for (NodeTuple tuple : node.getValue()) {
+ Node key = tuple.getKeyNode();
+ String skey = ((ScalarNode) key).getValue();
+
+ obj.add(skey, makeGson(tuple.getValueNode()));
+ }
+
+ return obj;
+ }
+
+ /**
+ * Converts a Yaml scalar into a corresponding gson primitive.
+ *
+ * @param node node to be converted
+ * @return a gson element corresponding to the node
+ */
+ private JsonElement makeGsonPrim(ScalarNode node) {
+ try {
+ Tag tag = node.getTag();
+
+ if (tag == Tag.INT) {
+ return new JsonPrimitive(Long.valueOf(node.getValue()));
+
+ } else if (tag == Tag.FLOAT) {
+ return new JsonPrimitive(Double.valueOf(node.getValue()));
+
+ } else if (tag == Tag.BOOL) {
+ return new JsonPrimitive(Boolean.valueOf(node.getValue()));
+
+ } else if (tag == Tag.NULL) {
+ return JsonNull.INSTANCE;
+
+ } else {
+ // treat anything else as a string
+ return new JsonPrimitive(node.getValue());
+ }
+
+ } catch (NumberFormatException ex) {
+ // just treat it as a string
+ return new JsonPrimitive(node.getValue());
+ }
+ }
+}
diff --git a/utils/src/main/java/org/onap/policy/common/utils/coder/YamlException.java b/utils/src/main/java/org/onap/policy/common/utils/coder/YamlException.java
new file mode 100644
index 0000000..d6591b3
--- /dev/null
+++ b/utils/src/main/java/org/onap/policy/common/utils/coder/YamlException.java
@@ -0,0 +1,63 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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 org.yaml.snakeyaml.error.Mark;
+
+/**
+ * Runtime Exception generated by StandardYamlCoder.
+ */
+public class YamlException extends RuntimeException {
+ private static final long serialVersionUID = 1L;
+
+ private final Mark problemMark;
+
+
+ /**
+ * Constructs the object.
+ *
+ * @param reason reason for the exception
+ * @param problemMark where the exception occurred within the input
+ */
+ public YamlException(String reason, Mark problemMark) {
+ super(reason);
+
+ this.problemMark = problemMark;
+ }
+
+ /**
+ * Constructs the object.
+ *
+ * @param reason reason for the exception
+ * @param problemMark where the exception occurred within the input
+ * @param cause cause of the exception
+ */
+ public YamlException(String reason, Mark problemMark, Throwable cause) {
+ super(reason, cause);
+
+ this.problemMark = problemMark;
+ }
+
+ @Override
+ public String getMessage() {
+ return super.getMessage() + problemMark;
+ }
+}
diff --git a/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java
new file mode 100644
index 0000000..6ec2066
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/coder/StandardYamlCoderTest.java
@@ -0,0 +1,151 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.assertThatThrownBy;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNotNull;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.assertTrue;
+
+import java.io.File;
+import java.io.IOException;
+import java.io.Writer;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.util.List;
+import java.util.Map;
+import lombok.EqualsAndHashCode;
+import org.junit.Before;
+import org.junit.Test;
+
+public class StandardYamlCoderTest {
+ private static final File YAML_FILE =
+ new File("src/test/resources/org/onap/policy/common/utils/coder/StandardYamlCoder.yaml");
+
+ private StandardYamlCoder coder;
+ private Container cont;
+
+ @Before
+ public void setUp() throws CoderException {
+ coder = new StandardYamlCoder();
+ cont = coder.decode(YAML_FILE, Container.class);
+ }
+
+ @Test
+ public void testToJsonObject() throws CoderException {
+ String yaml = coder.encode(cont);
+
+ Container cont2 = coder.decode(yaml, Container.class);
+ assertEquals(cont, cont2);
+ }
+
+ @Test
+ public void testToJsonWriterObject() throws Exception {
+ IOException ex = new IOException("expected exception");
+
+ // writer that throws an exception when the write() method is invoked
+ Writer wtr = new Writer() {
+ @Override
+ public void write(char[] cbuf, int off, int len) throws IOException {
+ throw ex;
+ }
+
+ @Override
+ public void flush() throws IOException {
+ // do nothing
+ }
+
+ @Override
+ public void close() throws IOException {
+ // do nothing
+ }
+ };
+
+ assertThatThrownBy(() -> coder.encode(wtr, cont)).isInstanceOf(CoderException.class);
+
+ wtr.close();
+ }
+
+ @Test
+ public void testFromJsonStringClassOfT() throws Exception {
+ String yaml = new String(Files.readAllBytes(YAML_FILE.toPath()), StandardCharsets.UTF_8);
+ Container cont2 = coder.decode(yaml, Container.class);
+ assertEquals(cont, cont2);
+ }
+
+ @Test
+ public void testFromJsonReaderClassOfT() {
+ assertNotNull(cont.item);
+ assertTrue(cont.item.boolVal);
+ assertEquals(1000L, cont.item.longVal);
+ assertEquals(1010.1f, cont.item.floatVal, 0.00001);
+
+ assertEquals(4, cont.list.size());
+ assertNull(cont.list.get(1));
+
+ assertEquals(20, cont.list.get(0).intVal);
+ assertEquals("string 30", cont.list.get(0).stringVal);
+ assertNull(cont.list.get(0).nullVal);
+
+ assertEquals(40.0, cont.list.get(2).doubleVal, 0.000001);
+ assertNull(cont.list.get(2).nullVal);
+ assertNotNull(cont.list.get(2).another);
+ assertEquals(50, cont.list.get(2).another.intVal);
+
+ assertTrue(cont.list.get(3).boolVal);
+
+ assertNotNull(cont.map);
+ assertEquals(3, cont.map.size());
+
+ assertNotNull(cont.map.get("itemA"));
+ assertEquals("stringA", cont.map.get("itemA").stringVal);
+
+ assertNotNull(cont.map.get("itemB"));
+ assertEquals("stringB", cont.map.get("itemB").stringVal);
+
+ double dbl = 123456789012345678901234567890.0;
+ assertEquals(dbl, cont.map.get("itemB").doubleVal, 1000.0);
+
+ assertNotNull(cont.map.get("itemC"));
+ assertTrue(cont.map.get("itemC").boolVal);
+ }
+
+
+ @EqualsAndHashCode
+ public static class Container {
+ private Item item;
+ private List<Item> list;
+ private Map<String, Item> map;
+ }
+
+ @EqualsAndHashCode
+ public static class Item {
+ private boolean boolVal;
+ private int intVal;
+ private long longVal;
+ private double doubleVal;
+ private float floatVal;
+ private String stringVal;
+ private Object nullVal;
+ private Item another;
+ }
+}
diff --git a/utils/src/test/java/org/onap/policy/common/utils/coder/YamlExceptionTest.java b/utils/src/test/java/org/onap/policy/common/utils/coder/YamlExceptionTest.java
new file mode 100644
index 0000000..bfa6249
--- /dev/null
+++ b/utils/src/test/java/org/onap/policy/common/utils/coder/YamlExceptionTest.java
@@ -0,0 +1,61 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.junit.Assert.assertSame;
+
+import java.io.IOException;
+import org.junit.Test;
+import org.yaml.snakeyaml.error.Mark;
+
+public class YamlExceptionTest {
+ private static final char[] str = {'d', 'a', 't', 'a'};
+ private static final String DATA = new String(str);
+ private static final String MESSAGE = "hello";
+
+ private static final Mark mark = new Mark("a file", 3, 5, 9, str, 0);
+
+ @Test
+ public void testYamlExceptionStringMark() {
+ YamlException ex = new YamlException(MESSAGE, mark);
+
+ String str = ex.getMessage();
+ assertThat(str).contains(MESSAGE).contains(DATA);
+
+ str = ex.toString();
+ assertThat(str).contains(MESSAGE).contains(DATA);
+ }
+
+ @Test
+ public void testYamlExceptionStringMarkThrowable() {
+ Throwable thr = new IOException("expected exception");
+ YamlException ex = new YamlException(MESSAGE, mark, thr);
+
+ assertSame(thr, ex.getCause());
+
+ String str = ex.getMessage();
+ assertThat(str).contains(MESSAGE).contains(DATA);
+
+ str = ex.toString();
+ assertThat(str).contains(MESSAGE).contains(DATA);
+ }
+}
diff --git a/utils/src/test/resources/org/onap/policy/common/utils/coder/StandardYamlCoder.yaml b/utils/src/test/resources/org/onap/policy/common/utils/coder/StandardYamlCoder.yaml
new file mode 100644
index 0000000..1da7bfa
--- /dev/null
+++ b/utils/src/test/resources/org/onap/policy/common/utils/coder/StandardYamlCoder.yaml
@@ -0,0 +1,21 @@
+---
+item: &top
+ boolVal: true
+ longVal: 1000
+ floatVal: 1010.1
+list:
+- intVal: 20
+ stringVal: string 30
+ nullVal:
+-
+- doubleVal: 40
+ another:
+ intVal: 50
+- *top
+map:
+ itemA:
+ stringVal: stringA
+ itemB:
+ stringVal: stringB
+ doubleVal: 123456789012345678901234567890
+ itemC: *top