X-Git-Url: https://git.pterodactylus.net/?p=Sone.git;a=blobdiff_plain;f=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2Fimpl%2FAbstractSoneBuilder.java;fp=src%2Fmain%2Fjava%2Fnet%2Fpterodactylus%2Fsone%2Fdata%2Fimpl%2FAbstractSoneBuilder.java;h=a214677f3acbf7041090f9cb5a79832498caba64;hp=0000000000000000000000000000000000000000;hb=210684b4bc499e298a0d0abeddd4008cdeb406bc;hpb=2b47186b72e30460a6710f95a76e4a99c305909a

diff --git a/src/main/java/net/pterodactylus/sone/data/impl/AbstractSoneBuilder.java b/src/main/java/net/pterodactylus/sone/data/impl/AbstractSoneBuilder.java
new file mode 100644
index 0000000..a214677
--- /dev/null
+++ b/src/main/java/net/pterodactylus/sone/data/impl/AbstractSoneBuilder.java
@@ -0,0 +1,37 @@
+package net.pterodactylus.sone.data.impl;
+
+import static com.google.common.base.Preconditions.checkState;
+
+import net.pterodactylus.sone.database.SoneBuilder;
+import net.pterodactylus.sone.freenet.wot.Identity;
+import net.pterodactylus.sone.freenet.wot.OwnIdentity;
+
+/**
+ * Abstract {@link SoneBuilder} implementation.
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public abstract class AbstractSoneBuilder implements SoneBuilder {
+
+	protected Identity identity;
+	protected boolean local;
+
+	@Override
+	public SoneBuilder from(Identity identity) {
+		this.identity = identity;
+		return this;
+	}
+
+	@Override
+	public SoneBuilder local() {
+		this.local = true;
+		return this;
+	}
+
+	protected void validate() throws IllegalStateException {
+		checkState(identity != null, "identity must not be null");
+		checkState(!local || (identity instanceof OwnIdentity),
+				"can not create local Sone from remote identity");
+	}
+
+}