From 9100b5bda037fcd1b051b98585744077132320bc Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Sun, 22 Aug 2021 00:13:02 +0300
Subject: Type-safe ActivityStreams deserialization

---
 .../com/juick/www/api/activity/model/Activity.java |  9 +++++---
 .../com/juick/www/api/activity/model/Context.java  | 10 +++++++--
 .../juick/www/api/activity/model/objects/Note.java |  6 +++---
 .../www/api/activity/model/objects/Tombstone.java  | 24 ++++++++++++++++++++++
 4 files changed, 41 insertions(+), 8 deletions(-)
 create mode 100644 src/main/java/com/juick/www/api/activity/model/objects/Tombstone.java

(limited to 'src/main/java/com/juick/www/api/activity/model')

diff --git a/src/main/java/com/juick/www/api/activity/model/Activity.java b/src/main/java/com/juick/www/api/activity/model/Activity.java
index d2f905af..7cc0b13f 100644
--- a/src/main/java/com/juick/www/api/activity/model/Activity.java
+++ b/src/main/java/com/juick/www/api/activity/model/Activity.java
@@ -19,6 +19,8 @@ package com.juick.www.api.activity.model;
 
 import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 import com.juick.www.api.activity.helpers.ActivityIdDeserializer;
+import com.juick.www.api.activity.helpers.ContextDeserializer;
+
 import org.apache.commons.lang3.StringUtils;
 
 import java.util.UUID;
@@ -27,7 +29,7 @@ public abstract class Activity extends Context {
 
     @JsonDeserialize(using = ActivityIdDeserializer.class)
     private String actor;
-    private Object object;
+    private Context object;
 
     public String getActor() {
         return actor;
@@ -40,11 +42,12 @@ public abstract class Activity extends Context {
         }
     }
 
-    public Object getObject() {
+    @JsonDeserialize(using = ContextDeserializer.class)
+    public Context getObject() {
         return object;
     }
 
-    public void setObject(Object object) {
+    public void setObject(Context object) {
         this.object = object;
     }
 }
diff --git a/src/main/java/com/juick/www/api/activity/model/Context.java b/src/main/java/com/juick/www/api/activity/model/Context.java
index d7b23539..edfa89b1 100644
--- a/src/main/java/com/juick/www/api/activity/model/Context.java
+++ b/src/main/java/com/juick/www/api/activity/model/Context.java
@@ -30,7 +30,7 @@ import java.util.List;
 import java.util.Map;
 
 @JsonIgnoreProperties(ignoreUnknown = true)
-@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property="type")
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, include = JsonTypeInfo.As.EXISTING_PROPERTY, property="type", defaultImpl = Context.class)
 @JsonSubTypes({
         @JsonSubTypes.Type(value = Create.class, name = "Create"),
         @JsonSubTypes.Type(value = Update.class, name = "Update"),
@@ -55,7 +55,7 @@ import java.util.Map;
         @JsonSubTypes.Type(value = Person.class, name = "Person"),
         @JsonSubTypes.Type(value = Application.class, name = "Application")
 })
-public abstract class Context {
+public class Context {
 
     private List<Object> context;
 
@@ -120,6 +120,12 @@ public abstract class Context {
         return response;
     }
 
+    public Context() {}
+
+    public Context(String id) {
+        setId(id);
+    }
+
     public String getUrl() {
         return url;
     }
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Note.java b/src/main/java/com/juick/www/api/activity/model/objects/Note.java
index 66470b5c..7889b172 100644
--- a/src/main/java/com/juick/www/api/activity/model/objects/Note.java
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Note.java
@@ -26,7 +26,7 @@ public class Note extends Context {
     private String content;
     private String attributedTo;
     private String inReplyTo;
-    private List<Image> attachment;
+    private List<Context> attachment;
     private List<String> to;
     private List<String> cc;
     private boolean sensitive;
@@ -48,11 +48,11 @@ public class Note extends Context {
     }
 
     @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
-    public List<Image> getAttachment() {
+    public List<Context> getAttachment() {
         return attachment;
     }
 
-    public void setAttachment(List<Image> attachment) {
+    public void setAttachment(List<Context> attachment) {
         this.attachment = attachment;
     }
 
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Tombstone.java b/src/main/java/com/juick/www/api/activity/model/objects/Tombstone.java
new file mode 100644
index 00000000..1a229299
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Tombstone.java
@@ -0,0 +1,24 @@
+/*
+ * Copyright (C) 2008-2021, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.www.api.activity.model.objects;
+
+import com.juick.www.api.activity.model.Context;
+
+public class Tombstone extends Context {
+
+}
\ No newline at end of file
-- 
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