Add support for setting tags on items

src/main/java/com/box/sdk/BoxItem.java

@@ -413,6 +413,19 @@ public List<String> getTags() {
             return this.tags;
         }
 
+        /**
+         * Sets the tags for an item.
+         * @param tags The new tags for the item.
+         */
+        public void setTags(List<String> tags) {
+            this.tags = tags;
+            JsonArray tagsJSON = new JsonArray();
+            for (String tag : tags) {
+                tagsJSON.add(tag);
+            }
+            this.addPendingChange("tags", tagsJSON);
+        }
+
         /**
          * Gets info about the parent folder of the item.
          * @return info about the parent folder of the item.

src/test/java/com/box/sdk/BoxFileTest.java

@@ -39,6 +39,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.verify;
 
+import com.eclipsesource.json.JsonArray;
 import org.hamcrest.Matchers;
 import org.junit.Assert;
 import org.junit.Test;
@@ -738,6 +739,48 @@ public void updateFileInfoSucceeds() {
         uploadedFile.delete();
     }
 
+    @Test
+    @Category(UnitTest.class)
+    public void getAndSetTags() {
+
+        JsonObject fakeResponse = new JsonObject();
+        fakeResponse.add("type", "file");
+        fakeResponse.add("id", "1234");
+        JsonArray tagsJSON = new JsonArray();
+        tagsJSON.add("foo");
+        tagsJSON.add("bar");
+        fakeResponse.add("tags", tagsJSON);
+
+        BoxAPIConnection api = new BoxAPIConnection("");
+        api.setRequestInterceptor(JSONRequestInterceptor.respondWith(fakeResponse));
+
+        BoxFile file = new BoxFile(api, "1234");
+        BoxFile.Info info = file.getInfo();
+        List<String> tags = info.getTags();
+        Assert.assertEquals("foo", tags.get(0));
+        Assert.assertEquals("bar", tags.get(1));
+
+        tags.add("baz");
+        info.setTags(tags);
+
+        api.setRequestInterceptor(new JSONRequestInterceptor() {
+            @Override
+            protected BoxAPIResponse onJSONRequest(BoxJSONRequest request, JsonObject json) {
+                Assert.assertEquals("foo", json.get("tags").asArray().get(0).asString());
+                Assert.assertEquals("bar", json.get("tags").asArray().get(1).asString());
+                Assert.assertEquals("baz", json.get("tags").asArray().get(2).asString());
+                return new BoxJSONResponse() {
+                    @Override
+                    public String getJSON() {
+                        return "{}";
+                    }
+                };
+            }
+        });
+
+        file.updateInfo(info);
+    }
+
     @Test
     @Category(IntegrationTest.class)
     public void deleteVersionSucceeds() {

src/test/java/com/box/sdk/BoxFolderTest.java

@@ -823,6 +823,48 @@ public void updateFolderInfoSucceeds() {
         assertThat(rootFolder, not(hasItem(Matchers.<BoxItem.Info>hasProperty("ID", equalTo(childFolder.getID())))));
     }
 
+    @Test
+    @Category(UnitTest.class)
+    public void getAndSetTags() {
+
+        JsonObject fakeResponse = new JsonObject();
+        fakeResponse.add("type", "file");
+        fakeResponse.add("id", "1234");
+        JsonArray tagsJSON = new JsonArray();
+        tagsJSON.add("foo");
+        tagsJSON.add("bar");
+        fakeResponse.add("tags", tagsJSON);
+
+        BoxAPIConnection api = new BoxAPIConnection("");
+        api.setRequestInterceptor(JSONRequestInterceptor.respondWith(fakeResponse));
+
+        BoxFolder folder = new BoxFolder(api, "1234");
+        BoxFolder.Info info = folder.getInfo();
+        List<String> tags = info.getTags();
+        Assert.assertEquals("foo", tags.get(0));
+        Assert.assertEquals("bar", tags.get(1));
+
+        tags.add("quux");
+        info.setTags(tags);
+
+        api.setRequestInterceptor(new JSONRequestInterceptor() {
+            @Override
+            protected BoxAPIResponse onJSONRequest(BoxJSONRequest request, JsonObject json) {
+                Assert.assertEquals("foo", json.get("tags").asArray().get(0).asString());
+                Assert.assertEquals("bar", json.get("tags").asArray().get(1).asString());
+                Assert.assertEquals("quux", json.get("tags").asArray().get(2).asString());
+                return new BoxJSONResponse() {
+                    @Override
+                    public String getJSON() {
+                        return "{}";
+                    }
+                };
+            }
+        });
+
+        folder.updateInfo(info);
+    }
+
     @Test
     @Category(IntegrationTest.class)
     public void copyFolderToSameDestinationWithNewNameSucceeds() {