#1020 - Re-introduce BasicLinkBuilder.

Reintroduced type apparently lost in the package restructuring. Adapted migration script to include the package rename in the migration.

src/main/java/org/springframework/hateoas/server/mvc/BasicLinkBuilder.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright 2012-2019 the original author or authors.
+ *
+ * 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 org.springframework.hateoas.server.mvc;
+
+import java.util.List;
+
+import org.springframework.hateoas.Affordance;
+import org.springframework.hateoas.server.LinkBuilder;
+import org.springframework.hateoas.server.core.LinkBuilderSupport;
+import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
+import org.springframework.web.util.UriComponentsBuilder;
+
+/**
+ * Simples {@link LinkBuilder} implementation possible. Exposes a link to the current servlet mapping only.
+ *
+ * @author Oliver Gierke
+ */
+public class BasicLinkBuilder extends LinkBuilderSupport<BasicLinkBuilder> {
+
+	/**
+	 * Creates a new {@link BasicLinkBuilder} using the given {@link UriComponentsBuilder}.
+	 *
+	 * @param builder must not be {@literal null}.
+	 */
+	private BasicLinkBuilder(UriComponentsBuilder builder) {
+		super(builder);
+	}
+
+	private BasicLinkBuilder(UriComponentsBuilder builder, List<Affordance> affordances) {
+		super(builder, affordances);
+	}
+
+	/**
+	 * Creates a new {@link BasicLinkBuilder} to link to the current servlet mapping.
+	 *
+	 * @return
+	 */
+	public static BasicLinkBuilder linkToCurrentMapping() {
+		return new BasicLinkBuilder(ServletUriComponentsBuilder.fromCurrentServletMapping());
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.hateoas.server.core.LinkBuilderSupport#createNewInstance(org.springframework.web.util.UriComponentsBuilder, java.util.List)
+	 */
+	@Override
+	protected BasicLinkBuilder createNewInstance(UriComponentsBuilder builder, List<Affordance> affordances) {
+		return new BasicLinkBuilder(builder, affordances);
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.springframework.hateoas.mvc.LinkBuilderSupport#getThis()
+	 */
+	@Override
+	protected BasicLinkBuilder getThis() {
+		return this;
+	}
+}