Added Snapshot class.

Added missing request (RemoveTracksFromPlaylist request is still missing).

library/src/main/java/me/siegenthaler/spotify/webapi/android/ClientRestAPI.java

@@ -29,7 +29,11 @@
 import me.siegenthaler.spotify.webapi.android.request.ArtistTopTrackRequest;
 import me.siegenthaler.spotify.webapi.android.request.AuthoriseClientFlowRequest;
 import me.siegenthaler.spotify.webapi.android.request.AuthoriseRefreshRequest;
+import me.siegenthaler.spotify.webapi.android.request.PlaylistAddTracksRequest;
+import me.siegenthaler.spotify.webapi.android.request.PlaylistChangeDetailsRequest;
+import me.siegenthaler.spotify.webapi.android.request.PlaylistCreateRequest;
 import me.siegenthaler.spotify.webapi.android.request.PlaylistListRequest;
+import me.siegenthaler.spotify.webapi.android.request.PlaylistReplaceTracksRequest;
 import me.siegenthaler.spotify.webapi.android.request.PlaylistRequest;
 import me.siegenthaler.spotify.webapi.android.request.PlaylistTrackRequest;
 import me.siegenthaler.spotify.webapi.android.request.SearchAlbumRequest;
@@ -237,6 +241,34 @@ public FollowCheckRequest isFollowing(String type, String... ids) {
         return addDefaultHeader(new FollowCheckRequest().setType(type).setIds(ids));
     }
 
+    /**
+     * (non-doc)
+     */
+    public PlaylistAddTracksRequest addTrackToPlaylist(String user, String playlist) {
+        return addDefaultHeader(new PlaylistAddTracksRequest().setPlaylist(user, playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    public PlaylistChangeDetailsRequest changePlaylistDetail(String user, String playlist) {
+        return addDefaultHeader(new PlaylistChangeDetailsRequest().setPlaylist(user, playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    public PlaylistCreateRequest createPlaylist(String user, String playlist) {
+        return addDefaultHeader(new PlaylistCreateRequest().setUser(user).serName(playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    public PlaylistReplaceTracksRequest replacePlaylistTracks(String user, String playlist) {
+        return addDefaultHeader(new PlaylistReplaceTracksRequest().setPlaylist(user, playlist));
+    }
+
     /**
      * (non-doc)
      */

library/src/main/java/me/siegenthaler/spotify/webapi/android/model/Snapshot.java

@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2014 Siegenthaler Solutions.
+ *
+ * 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 me.siegenthaler.spotify.webapi.android.model;
+
+import com.google.gson.annotations.SerializedName;
+
+/**
+ * (non-doc)
+ */
+public class Snapshot {
+    @SerializedName("snapshot_id")
+    private String mId;
+
+    /**
+     * (non-doc)
+     */
+    final public String getId() {
+        return mId;
+    }
+}

library/src/main/java/me/siegenthaler/spotify/webapi/android/request/AbstractRequest.java

@@ -46,6 +46,7 @@ public final class AbstractRequest<T> extends Request<T> {
     private final Type mType;
     private final String mParent;
     private final Response.Listener<T> mListener;
+    private final boolean mJsonBody;
 
     /**
      * (non-doc)
@@ -57,6 +58,7 @@ public AbstractRequest(Builder<?, T> builder) {
         this.mHeaders = builder.mHeaders;
         this.mParent = builder.mParent;
         this.mListener = builder.mListener;
+        this.mJsonBody = builder.mJsonBody;
         setTag(builder.mIdentifier);
     }
 
@@ -65,7 +67,9 @@ public AbstractRequest(Builder<?, T> builder) {
      */
     @Override
     final public String getBodyContentType() {
-        return "application/x-www-form-urlencoded; charset=UTF-8";
+        return mJsonBody
+                ? "application/json; charset=UTF-8"
+                : "application/x-www-form-urlencoded; charset=UTF-8";
     }
 
     /**
@@ -130,6 +134,7 @@ public static class Builder<J extends Builder, T> {
         protected Response.Listener<T> mListener;
         protected String mIdentifier;
         protected RequestQueue mClient;
+        protected boolean mJsonBody;
 
         /**
          * (non-doc)
@@ -154,6 +159,14 @@ public Builder(Type type, int method, String parent) {
             this.mParent = parent;
         }
 
+        /**
+         * (non-doc)
+         */
+        final protected J setJsonBody(boolean isJsonBody) {
+            mJsonBody = isJsonBody;
+            return (J) this;
+        }
+
         /**
          * (non-doc)
          */

library/src/main/java/me/siegenthaler/spotify/webapi/android/request/PlaylistAddTracksRequest.java

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2014 Siegenthaler Solutions.
+ *
+ * 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 me.siegenthaler.spotify.webapi.android.request;
+
+import android.text.TextUtils;
+
+import com.android.volley.Request;
+
+import java.util.Locale;
+
+import me.siegenthaler.spotify.webapi.android.model.Snapshot;
+
+/**
+ * (non-doc)
+ */
+public class PlaylistAddTracksRequest extends AbstractRequest.Builder<PlaylistAddTracksRequest, Snapshot> {
+    /**
+     * (non-doc)
+     */
+    public PlaylistAddTracksRequest() {
+        super(Snapshot.class, Request.Method.POST);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistAddTracksRequest setPlaylist(String user, String playlist) {
+        return setPath(String.format(Locale.ENGLISH, "/v1/users/%s/playlists/%s/tracks", user, playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistAddTracksRequest setTracks(int position, String... ids) {
+        addParameter("position", String.valueOf(position));
+        return addParameter("uris", TextUtils.join(",", ids));
+    }
+}

library/src/main/java/me/siegenthaler/spotify/webapi/android/request/PlaylistChangeDetailsRequest.java

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2014 Siegenthaler Solutions.
+ *
+ * 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 me.siegenthaler.spotify.webapi.android.request;
+
+import com.android.volley.Request;
+
+import java.util.Locale;
+
+/**
+ * (non-doc)
+ */
+public class PlaylistChangeDetailsRequest extends AbstractRequest.Builder<PlaylistChangeDetailsRequest, Void> {
+    /**
+     * (non-doc)
+     */
+    public PlaylistChangeDetailsRequest() {
+        super(Void.class, Request.Method.PUT);
+        setJsonBody(true);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistChangeDetailsRequest setPlaylist(String user, String playlist) {
+        return setPath(String.format(Locale.ENGLISH, "/v1/users/%s/playlists/%s", user, playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistChangeDetailsRequest serName(String name) {
+        return addParameter("name", name);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistChangeDetailsRequest setPublic(boolean isPublic) {
+        return addParameter("public", isPublic ? "true" : "false");
+    }
+}

library/src/main/java/me/siegenthaler/spotify/webapi/android/request/PlaylistCreateRequest.java

@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2014 Siegenthaler Solutions.
+ *
+ * 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 me.siegenthaler.spotify.webapi.android.request;
+
+import com.android.volley.Request;
+
+import java.util.Locale;
+
+import me.siegenthaler.spotify.webapi.android.model.Playlist;
+
+/**
+ * (non-doc)
+ */
+public class PlaylistCreateRequest extends AbstractRequest.Builder<PlaylistCreateRequest, Playlist> {
+    /**
+     * (non-doc)
+     */
+    public PlaylistCreateRequest() {
+        super(Playlist.class, Request.Method.POST);
+        setJsonBody(true);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistCreateRequest setUser(String user) {
+        return setPath(String.format(Locale.ENGLISH, "/v1/users/%s/playlists", user));
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistCreateRequest serName(String name) {
+        return addParameter("name", name);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistCreateRequest setPublic(boolean isPublic) {
+        return addParameter("public", isPublic ? "true" : "false");
+    }
+}

library/src/main/java/me/siegenthaler/spotify/webapi/android/request/PlaylistReplaceTracksRequest.java

@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2014 Siegenthaler Solutions.
+ *
+ * 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 me.siegenthaler.spotify.webapi.android.request;
+
+import android.text.TextUtils;
+
+import com.android.volley.Request;
+
+import java.util.Locale;
+
+import me.siegenthaler.spotify.webapi.android.model.Snapshot;
+
+/**
+ * (non-doc)
+ */
+public class PlaylistReplaceTracksRequest extends AbstractRequest.Builder<PlaylistReplaceTracksRequest, Snapshot> {
+    /**
+     * (non-doc)
+     */
+    public PlaylistReplaceTracksRequest() {
+        super(Snapshot.class, Request.Method.PUT);
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistReplaceTracksRequest setPlaylist(String user, String playlist) {
+        return setPath(String.format(Locale.ENGLISH, "/v1/users/%s/playlists/%s/tracks", user, playlist));
+    }
+
+    /**
+     * (non-doc)
+     */
+    final public PlaylistReplaceTracksRequest setTracks(String... ids) {
+        return addParameter("uris", TextUtils.join(",", ids));
+    }
+}