Merge pull request #91 from square/jwilson_0927_date_example

Date adapter example.

examples/pom.xml

@@ -17,5 +17,10 @@
       <artifactId>moshi</artifactId>
       <version>${project.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.squareup.moshi</groupId>
+      <artifactId>moshi-adapters</artifactId>
+      <version>${project.version}</version>
+    </dependency>
   </dependencies>
 </project>

examples/src/main/java/com/squareup/moshi/recipes/CardAdapter.java

@@ -18,6 +18,8 @@ package com.squareup.moshi.recipes;
 import com.squareup.moshi.FromJson;
 import com.squareup.moshi.JsonDataException;
 import com.squareup.moshi.ToJson;
+import com.squareup.moshi.recipes.models.Card;
+import com.squareup.moshi.recipes.models.Suit;
 
 public final class CardAdapter {
   @ToJson String toJson(Card card) {

examples/src/main/java/com/squareup/moshi/recipes/CustomTypeAdapter.java

@@ -17,6 +17,7 @@ package com.squareup.moshi.recipes;
 
 import com.squareup.moshi.JsonAdapter;
 import com.squareup.moshi.Moshi;
+import com.squareup.moshi.recipes.models.BlackjackHand;
 
 public final class CustomTypeAdapter {
   public void run() throws Exception {

examples/src/main/java/com/squareup/moshi/recipes/ReadAndWriteRfc3339Dates.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * 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.
+ */
+package com.squareup.moshi.recipes;
+
+import com.squareup.moshi.JsonAdapter;
+import com.squareup.moshi.Moshi;
+import com.squareup.moshi.Rfc3339DateJsonAdapter;
+import com.squareup.moshi.recipes.models.Tournament;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.TimeZone;
+import java.util.concurrent.TimeUnit;
+
+public final class ReadAndWriteRfc3339Dates {
+  public void run() throws Exception {
+    Moshi moshi = new Moshi.Builder()
+        .add(Date.class, new Rfc3339DateJsonAdapter())
+        .build();
+    JsonAdapter<Tournament> jsonAdapter = moshi.adapter(Tournament.class);
+
+    // The RFC3339 JSON adapter can read dates with a timezone offset like '-05:00'.
+    String lastTournament = ""
+        + "{"
+        + "  \"location\":\"Chainsaw\","
+        + "  \"name\":\"21 for 21\","
+        + "  \"start\":\"2015-09-01T20:00:00-05:00\""
+        + "}";
+    System.out.println("Last tournament: " + jsonAdapter.fromJson(lastTournament));
+
+    // The RFC3339 JSON adapter always writes dates with UTC, using a 'Z' suffix.
+    Tournament nextTournament = new Tournament(
+        "Waterloo Classic", "Bauer Kitchen", newDate(2015, 10, 1, 20, -5));
+    System.out.println("Next tournament JSON: " + jsonAdapter.toJson(nextTournament));
+  }
+
+  public static void main(String[] args) throws Exception {
+    new ReadAndWriteRfc3339Dates().run();
+  }
+
+  private Date newDate(int year, int month, int day, int hour, int offset) {
+    Calendar calendar = new GregorianCalendar(TimeZone.getTimeZone("GMT"));
+    calendar.set(year, month - 1, day, hour, 0, 0);
+    calendar.set(Calendar.MILLISECOND, 0);
+    return new Date(calendar.getTimeInMillis() - TimeUnit.HOURS.toMillis(offset));
+  }
+}

examples/src/main/java/com/squareup/moshi/recipes/ReadJson.java

@@ -17,6 +17,7 @@ package com.squareup.moshi.recipes;
 
 import com.squareup.moshi.JsonAdapter;
 import com.squareup.moshi.Moshi;
+import com.squareup.moshi.recipes.models.BlackjackHand;
 
 public final class ReadJson {
   public void run() throws Exception {

examples/src/main/java/com/squareup/moshi/recipes/ReadJsonList.java

@@ -18,12 +18,14 @@ package com.squareup.moshi.recipes;
 import com.squareup.moshi.JsonAdapter;
 import com.squareup.moshi.Moshi;
 import com.squareup.moshi.Types;
+import com.squareup.moshi.recipes.models.Card;
 import java.lang.reflect.Type;
 import java.util.List;
 
 public final class ReadJsonList {
   public void run() throws Exception {
-    String json = "[\n"
+    String json = ""
+        + "[\n"
         + "  {\n"
         + "    \"rank\": \"4\",\n"
         + "    \"suit\": \"CLUBS\"\n"

examples/src/main/java/com/squareup/moshi/recipes/WriteJson.java

@@ -17,11 +17,13 @@ package com.squareup.moshi.recipes;
 
 import com.squareup.moshi.JsonAdapter;
 import com.squareup.moshi.Moshi;
+import com.squareup.moshi.recipes.models.BlackjackHand;
+import com.squareup.moshi.recipes.models.Card;
 import java.util.Arrays;
 
-import static com.squareup.moshi.recipes.Suit.CLUBS;
-import static com.squareup.moshi.recipes.Suit.HEARTS;
-import static com.squareup.moshi.recipes.Suit.SPADES;
+import static com.squareup.moshi.recipes.models.Suit.CLUBS;
+import static com.squareup.moshi.recipes.models.Suit.HEARTS;
+import static com.squareup.moshi.recipes.models.Suit.SPADES;
 
 public final class WriteJson {
   public void run() throws Exception {

examples/src/main/java/com/squareup/moshi/recipes/models/BlackjackHand.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.squareup.moshi.recipes;
+package com.squareup.moshi.recipes.models;
 
 import java.util.List;
 

examples/src/main/java/com/squareup/moshi/recipes/models/Card.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.squareup.moshi.recipes;
+package com.squareup.moshi.recipes.models;
 
 public final class Card {
   public final char rank;

examples/src/main/java/com/squareup/moshi/recipes/models/Suit.java

@@ -13,7 +13,7 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-package com.squareup.moshi.recipes;
+package com.squareup.moshi.recipes.models;
 
 public enum Suit {
   CLUBS, DIAMONDS, HEARTS, SPADES;

examples/src/main/java/com/squareup/moshi/recipes/models/Tournament.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Square, Inc.
+ *
+ * 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.
+ */
+package com.squareup.moshi.recipes.models;
+
+import java.util.Date;
+
+public final class Tournament {
+  public final String name;
+  public final String location;
+  public final Date start;
+
+  public Tournament(String name, String location, Date start) {
+    this.name = name;
+    this.location = location;
+    this.start = start;
+  }
+
+  @Override public String toString() {
+    return name + " at " + location + " on " + start;
+  }
+}