Reorganize layout and code cleanup

21 files changed, 888 insertions, 0 deletions

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
new file mode 100644
index 00000000..2ac22349
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/Activity.java
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2008-2019, 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;
+
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.juick.www.api.activity.helpers.ActivityIdDeserializer;
+import org.apache.commons.lang3.StringUtils;
+
+import java.util.UUID;
+
+public abstract class Activity extends Context {
+
+    @JsonDeserialize(using = ActivityIdDeserializer.class)
+    private String actor;
+    private Object object;
+
+    public String getActor() {
+        return actor;
+    }
+
+    public void setActor(String actor) {
+        this.actor = actor;
+        if (StringUtils.isEmpty(getId())) {
+            setId(String.format("%s#%s", this.actor, UUID.randomUUID().toString()));
+        }
+    }
+
+    public Object getObject() {
+        return object;
+    }
+
+    public void setObject(Object 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
new file mode 100644
index 00000000..57e29e0f
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/Context.java
@@ -0,0 +1,144 @@
+/*
+ * Copyright (C) 2008-2019, 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;
+
+import com.fasterxml.jackson.annotation.*;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
+import com.juick.www.api.activity.helpers.LinkValueDeserializer;
+import com.juick.www.api.activity.model.activities.*;
+import com.juick.www.api.activity.model.objects.*;
+
+import java.time.Instant;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+@JsonIgnoreProperties(ignoreUnknown = true)
+@JsonTypeInfo(use = JsonTypeInfo.Id.NAME, property="type")
+@JsonSubTypes({
+        @JsonSubTypes.Type(value = Create.class, name = "Create"),
+        @JsonSubTypes.Type(value = Update.class, name = "Update"),
+        @JsonSubTypes.Type(value = Delete.class, name = "Delete"),
+        @JsonSubTypes.Type(value = Follow.class, name = "Follow"),
+        @JsonSubTypes.Type(value = Accept.class, name = "Accept"),
+        @JsonSubTypes.Type(value = Undo.class, name = "Undo"),
+        @JsonSubTypes.Type(value = Like.class, name = "Like"),
+        @JsonSubTypes.Type(value = Block.class, name = "Block"),
+        @JsonSubTypes.Type(value = Announce.class, name = "Announce"),
+        @JsonSubTypes.Type(value = Activity.class, name = "Activity"),
+        @JsonSubTypes.Type(value = Image.class, name = "Image"),
+        @JsonSubTypes.Type(value = Key.class, name = "Key"),
+        @JsonSubTypes.Type(value = Link.class, name = "Link"),
+        @JsonSubTypes.Type(value = Hashtag.class, name = "Hashtag"),
+        @JsonSubTypes.Type(value = Mention.class, name = "Mention"),
+        @JsonSubTypes.Type(value = Emoji.class, name = "Emoji"),
+        @JsonSubTypes.Type(value = Note.class, name = "Note"),
+        @JsonSubTypes.Type(value = OrderedCollection.class, name = "OrderedCollection"),
+        @JsonSubTypes.Type(value = OrderedCollectionPage.class, name = "OrderedCollectionPage"),
+        @JsonSubTypes.Type(value = Person.class, name = "Person")
+})
+public abstract class Context {
+
+    private List<Object> context;
+
+    private String id;
+
+    private String name;
+
+    private Instant published;
+
+    @JsonDeserialize(using = LinkValueDeserializer.class)
+    private String url;
+
+    private List<String> to;
+
+    private List<Context> tags;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getType() {
+        return getClass().getSimpleName();
+    }
+
+    @JsonProperty("@context")
+    @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
+    public List<Object> getContext() {
+        return context;
+    }
+
+    public final static String ACTIVITY_STREAMS_URI = "https://www.w3.org/ns/activitystreams";
+    public final static String SECURITY_URI = "https://w3id.org/security/v1";
+    public final static String LD_JSON_MEDIA_TYPE = "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"";
+    public final static String ACTIVITY_MEDIA_TYPE = "application/activity+json";
+    public final static String ACTIVITYSTREAMS_PROFILE_MEDIA_TYPE = ACTIVITY_MEDIA_TYPE + "; profile=\"https://www.w3.org/ns/activitystreams\"";
+    public final static String ACTIVITYSTREAMS_PUBLIC = "https://www.w3.org/ns/activitystreams#Public";
+
+    public Instant getPublished() {
+        return published;
+    }
+
+    public void setPublished(Instant published) {
+        this.published = published;
+    }
+
+    public List<String> getTo() {
+        return to;
+    }
+
+    public void setTo(List<String> to) {
+        this.to = to;
+    }
+
+    public static Context build(Context response) {
+        response.context = new ArrayList<>(Arrays.asList(ACTIVITY_STREAMS_URI, SECURITY_URI));
+        response.context.add(Collections.singletonMap("Hashtag", "as:Hashtag"));
+        return response;
+    }
+
+    public String getUrl() {
+        return url;
+    }
+
+    public void setUrl(String url) {
+        this.url = url;
+    }
+
+    @JsonProperty("tag")
+    public List<Context> getTags() {
+        return tags;
+    }
+
+    public void setTags(List<Context> tags) {
+        this.tags = tags;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Accept.java b/src/main/java/com/juick/www/api/activity/model/activities/Accept.java
new file mode 100644
index 00000000..30a55839
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Accept.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Accept extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Announce.java b/src/main/java/com/juick/www/api/activity/model/activities/Announce.java
new file mode 100644
index 00000000..4561b10e
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Announce.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Announce extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Block.java b/src/main/java/com/juick/www/api/activity/model/activities/Block.java
new file mode 100644
index 00000000..66919235
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Block.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Block extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Create.java b/src/main/java/com/juick/www/api/activity/model/activities/Create.java
new file mode 100644
index 00000000..5da46545
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Create.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Create extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Delete.java b/src/main/java/com/juick/www/api/activity/model/activities/Delete.java
new file mode 100644
index 00000000..0214f869
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Delete.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Delete extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Follow.java b/src/main/java/com/juick/www/api/activity/model/activities/Follow.java
new file mode 100644
index 00000000..b7653d23
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Follow.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Follow extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Like.java b/src/main/java/com/juick/www/api/activity/model/activities/Like.java
new file mode 100644
index 00000000..76a35a3c
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Like.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Like extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Undo.java b/src/main/java/com/juick/www/api/activity/model/activities/Undo.java
new file mode 100644
index 00000000..0e1c7e8a
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Undo.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Undo extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/activities/Update.java b/src/main/java/com/juick/www/api/activity/model/activities/Update.java
new file mode 100644
index 00000000..d6ca9c1b
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/activities/Update.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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.activities;
+
+import com.juick.www.api.activity.model.Activity;
+
+public class Update extends Activity {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Emoji.java b/src/main/java/com/juick/www/api/activity/model/objects/Emoji.java
new file mode 100644
index 00000000..bb556292
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Emoji.java
@@ -0,0 +1,23 @@
+/*
+ * Copyright (C) 2008-2019, 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 Emoji extends Context {
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Hashtag.java b/src/main/java/com/juick/www/api/activity/model/objects/Hashtag.java
new file mode 100644
index 00000000..175cc305
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Hashtag.java
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2008-2019, 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.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Hashtag extends Mention {
+    @JsonCreator
+    public Hashtag(@JsonProperty("href") String href, @JsonProperty("name") String name) {
+        super(href, name);
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Image.java b/src/main/java/com/juick/www/api/activity/model/objects/Image.java
new file mode 100644
index 00000000..0dfa6271
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Image.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2008-2019, 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 Image extends Context {
+    private String mediaType;
+
+    public String getMediaType() {
+        return mediaType;
+    }
+
+    public void setMediaType(String mediaType) {
+        this.mediaType = mediaType;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Key.java b/src/main/java/com/juick/www/api/activity/model/objects/Key.java
new file mode 100644
index 00000000..26d60213
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Key.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2008-2019, 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 Key extends Context {
+    private String owner;
+    private String publicKeyPem;
+
+    public String getOwner() {
+        return owner;
+    }
+
+    public void setOwner(String owner) {
+        this.owner = owner;
+    }
+
+    public String getPublicKeyPem() {
+        return publicKeyPem;
+    }
+
+    public void setPublicKeyPem(String publicKeyPem) {
+        this.publicKeyPem = publicKeyPem;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Link.java b/src/main/java/com/juick/www/api/activity/model/objects/Link.java
new file mode 100644
index 00000000..58bf2304
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Link.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2008-2019, 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 Link extends Context {
+    private String href;
+
+    public String getHref() {
+        return href;
+    }
+
+    public void setHref(String href) {
+        this.href = href;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Mention.java b/src/main/java/com/juick/www/api/activity/model/objects/Mention.java
new file mode 100644
index 00000000..a6099b53
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Mention.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2008-2019, 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.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+public class Mention extends Link {
+    @JsonCreator
+    public Mention(@JsonProperty("href") String href, @JsonProperty("name") String name) {
+        this.setHref(href);
+        this.setName(name);
+    }
+}
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
new file mode 100644
index 00000000..b04b1ec9
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Note.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2008-2019, 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.fasterxml.jackson.annotation.JsonFormat;
+import com.juick.www.api.activity.model.Context;
+
+import java.util.List;
+
+public class Note extends Context {
+    private String content;
+    private String attributedTo;
+    private String inReplyTo;
+    private List<Image> attachment;
+    private List<String> to;
+    private List<String> cc;
+
+    public String getContent() {
+        return content;
+    }
+
+    public void setContent(String content) {
+        this.content = content;
+    }
+
+    public String getAttributedTo() {
+        return attributedTo;
+    }
+
+    public void setAttributedTo(String attributedTo) {
+        this.attributedTo = attributedTo;
+    }
+
+    @JsonFormat(with = JsonFormat.Feature.ACCEPT_SINGLE_VALUE_AS_ARRAY)
+    public List<Image> getAttachment() {
+        return attachment;
+    }
+
+    public void setAttachment(List<Image> attachment) {
+        this.attachment = attachment;
+    }
+
+    public List<String> getTo() {
+        return to;
+    }
+
+    public void setTo(List<String> to) {
+        this.to = to;
+    }
+
+    public List<String> getCc() {
+        return cc;
+    }
+
+    public void setCc(List<String> cc) {
+        this.cc = cc;
+    }
+
+    public String getInReplyTo() {
+        return inReplyTo;
+    }
+
+    public void setInReplyTo(String inReplyTo) {
+        this.inReplyTo = inReplyTo;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollection.java b/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollection.java
new file mode 100644
index 00000000..d7d43a26
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollection.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2008-2019, 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 OrderedCollection extends Context {
+
+    private int totalItems;
+
+    public int getTotalItems() {
+        return totalItems;
+    }
+
+    public void setTotalItems(int totalItems) {
+        this.totalItems = totalItems;
+    }
+    private String first;
+
+    public String getFirst() {
+        return first;
+    }
+
+    public void setFirst(String first) {
+        this.first = first;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollectionPage.java b/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollectionPage.java
new file mode 100644
index 00000000..340e24cf
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/OrderedCollectionPage.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2008-2019, 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;
+
+import java.util.List;
+
+public class OrderedCollectionPage extends Context {
+
+    private String partOf;
+
+    private String first;
+
+    private String next;
+
+    private String last;
+
+    private List<? extends Context> orderedItems;
+
+    public String getNext() {
+        return next;
+    }
+
+    public void setNext(String next) {
+        this.next = next;
+    }
+
+    public List<? extends Context> getOrderedItems() {
+        return orderedItems;
+    }
+
+    public void setOrderedItems(List<? extends Context> orderedItems) {
+        this.orderedItems = orderedItems;
+    }
+
+    public String getPartOf() {
+        return partOf;
+    }
+
+    public void setPartOf(String partOf) {
+        this.partOf = partOf;
+    }
+
+    public String getFirst() {
+        return first;
+    }
+
+    public void setFirst(String first) {
+        this.first = first;
+    }
+
+    public String getLast() {
+        return last;
+    }
+
+    public void setLast(String last) {
+        this.last = last;
+    }
+}
diff --git a/src/main/java/com/juick/www/api/activity/model/objects/Person.java b/src/main/java/com/juick/www/api/activity/model/objects/Person.java
new file mode 100644
index 00000000..c653bee1
--- /dev/null
+++ b/src/main/java/com/juick/www/api/activity/model/objects/Person.java
@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2008-2019, 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.fasterxml.jackson.annotation.JsonTypeInfo;
+import com.juick.www.api.activity.model.Context;
+
+public class Person extends Context {
+
+    private String name;
+    private String preferredUsername;
+    private Image icon;
+    private String inbox;
+    private String outbox;
+    private String following;
+    private String followers;
+    private Key publicKey;
+
+    @Override
+    public String getType() {
+        return "Person";
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    @JsonTypeInfo(use = JsonTypeInfo.Id.NONE)
+    public Image getIcon() {
+        return icon;
+    }
+
+    public void setIcon(Image icon) {
+        this.icon = icon;
+    }
+
+    public String getOutbox() {
+        return outbox;
+    }
+
+    public void setOutbox(String outbox) {
+        this.outbox = outbox;
+    }
+
+    public String getInbox() {
+        return inbox;
+    }
+
+    public void setInbox(String inbox) {
+        this.inbox = inbox;
+    }
+
+    public String getFollowing() {
+        return following;
+    }
+
+    public void setFollowing(String following) {
+        this.following = following;
+    }
+
+    public String getFollowers() {
+        return followers;
+    }
+
+    public void setFollowers(String followers) {
+        this.followers = followers;
+    }
+
+    @JsonTypeInfo(use = JsonTypeInfo.Id.NONE)
+    public Key getPublicKey() {
+        return publicKey;
+    }
+
+    public void setPublicKey(Key publicKey) {
+        this.publicKey = publicKey;
+    }
+
+    public String getPreferredUsername() {
+        return preferredUsername;
+    }
+
+    public void setPreferredUsername(String preferredUsername) {
+        this.preferredUsername = preferredUsername;
+    }
+}