Create PrivateGroupManager Facade and stub implementation

briar-api/src/org/briarproject/api/clients/BaseGroup.java

@@ -0,0 +1,46 @@
+package org.briarproject.api.clients;
+
+import org.briarproject.api.sync.Group;
+import org.briarproject.api.sync.GroupId;
+import org.jetbrains.annotations.NotNull;
+
+public abstract class BaseGroup {
+
+	private final Group group;
+	private final String name;
+	private final byte[] salt;
+
+	public BaseGroup(@NotNull Group group, @NotNull String name, byte[] salt) {
+		this.group = group;
+		this.name = name;
+		this.salt = salt;
+	}
+
+	public GroupId getId() {
+		return group.getId();
+	}
+
+	public Group getGroup() {
+		return group;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public byte[] getSalt() {
+		return salt;
+	}
+
+	@Override
+	public int hashCode() {
+		return group.hashCode();
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		return o instanceof BaseGroup &&
+				getGroup().equals(((BaseGroup) o).getGroup());
+	}
+
+}

briar-api/src/org/briarproject/api/clients/BaseMessage.java

@@ -0,0 +1,28 @@
+package org.briarproject.api.clients;
+
+import org.briarproject.api.sync.Message;
+import org.briarproject.api.sync.MessageId;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public abstract class BaseMessage {
+
+	private final Message message;
+	private final MessageId parent;
+
+	public BaseMessage(@NotNull Message message, @Nullable MessageId parent) {
+		this.message = message;
+		this.parent = parent;
+	}
+
+	@NotNull
+	public Message getMessage() {
+		return message;
+	}
+
+	@Nullable
+	public MessageId getParent() {
+		return parent;
+	}
+
+}

briar-api/src/org/briarproject/api/clients/BaseMessageHeader.java

@@ -0,0 +1,45 @@
+package org.briarproject.api.clients;
+
+import org.briarproject.api.sync.MessageId;
+
+public abstract class BaseMessageHeader {
+
+	private final MessageId id;
+	private final long timestamp;
+	private final boolean local, read, sent, seen;
+
+	public BaseMessageHeader(MessageId id, long timestamp, boolean local,
+			boolean read, boolean sent, boolean seen) {
+
+		this.id = id;
+		this.timestamp = timestamp;
+		this.local = local;
+		this.read = read;
+		this.sent = sent;
+		this.seen = seen;
+	}
+
+	public MessageId getId() {
+		return id;
+	}
+
+	public long getTimestamp() {
+		return timestamp;
+	}
+
+	public boolean isLocal() {
+		return local;
+	}
+
+	public boolean isRead() {
+		return read;
+	}
+
+	public boolean isSent() {
+		return sent;
+	}
+
+	public boolean isSeen() {
+		return seen;
+	}
+}

briar-api/src/org/briarproject/api/clients/ContactGroupFactory.java

@@ -3,12 +3,14 @@ package org.briarproject.api.clients;
 import org.briarproject.api.contact.Contact;
 import org.briarproject.api.sync.ClientId;
 import org.briarproject.api.sync.Group;
+import org.briarproject.api.sync.GroupFactory;
 
-public interface PrivateGroupFactory {
+public interface ContactGroupFactory {
 
 	/** Creates a group that is not shared with any contacts. */
 	Group createLocalGroup(ClientId clientId);
 
 	/** Creates a group for the given client to share with the given contact. */
-	Group createPrivateGroup(ClientId clientId, Contact contact);
+	Group createContactGroup(ClientId clientId, Contact contact);
+
 }