#762 - Ignore unknown properties in LinkMixin.

Ignore the "templated" property when deserializing HAL documents.

Related pull requests: #668
Related issues: #667

src/main/java/org/springframework/hateoas/hal/LinkMixin.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -30,7 +30,7 @@ import com.fasterxml.jackson.databind.annotation.JsonSerialize;
  * @author Oliver Gierke
  * @author Greg Turnquist
  */
-@JsonIgnoreProperties({"rel", "media"})
+@JsonIgnoreProperties(value = {"rel", "media"}, ignoreUnknown = true)
 abstract class LinkMixin extends Link {
 
 	private static final long serialVersionUID = 4720588561299667409L;

src/test/java/org/springframework/hateoas/hal/Jackson2HalIntegrationTest.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2017 the original author or authors.
+ * Copyright 2012-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +18,7 @@ package org.springframework.hateoas.hal;
 import static org.hamcrest.Matchers.*;
 import static org.junit.Assert.*;
 
+import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -423,6 +424,27 @@ public class Jackson2HalIntegrationTest extends AbstractJackson2MarshallingInteg
 		assertThat(write(resourceSupport), is("{\"_links\":{\"self\":[{\"href\":\"localhost\"}]}}"));
 	}
 
+	/**
+	 * @see #667
+	 * @see #762
+	 */
+	@Test
+	public void handleTemplatedLinksOnDeserialization() throws IOException {
+
+		ResourceSupport original = new ResourceSupport();
+		original.add(new Link("/orders{?id}", "order"));
+
+		String serialized = mapper.writeValueAsString(original);
+
+		String expected = "{\"_links\":{\"order\":{\"href\":\"/orders{?id}\",\"templated\":true}}}";
+
+		assertThat(serialized ,is(expected));
+
+		ResourceSupport deserialized = mapper.readValue(serialized, ResourceSupport.class);
+
+		assertThat(deserialized, is(original));
+	}
+
 	private static void verifyResolvedTitle(String resourceBundleKey) throws Exception {
 
 		LocaleContextHolder.setLocale(Locale.US);