Completed implementation of branch calls.

src/main/java/com/messners/gitlab/api/RepositoryApi.java

 package com.messners.gitlab.api;
 
 import java.io.IOException;
+import java.util.List;
 
 import com.messners.gitlab.api.models.Branch;
+import com.messners.gitlab.api.models.Tag;
+import com.messners.gitlab.api.models.TreeItem;
 import com.sun.jersey.api.client.ClientResponse;
+import com.sun.jersey.api.client.GenericType;
 
+
+/**
+ * This class provides an entry point to all the GitLab API repository calls.
+ * 
+ * @author Greg Messner <greg@messners.com>
+ */
 public class RepositoryApi extends AbstractApi {
 
 	public RepositoryApi (GitLabApi gitLabApi) {
 		super(gitLabApi);
 	}
 	
+	
+	/**
+	 * GET /projects/:id/repository/branches
+	 * 
+	 * @param projectId
+	 * @return
+	 * @throws IOException
+	 */
+	public List<Branch> getBranches (Integer projectId) throws IOException {
+		ClientResponse response = get(null, "projects", projectId, "repository", "branches");
+		return (response.getEntity(new GenericType<List<Branch>>() {}));
+	}
+
+	
 	/**
 	 * GET /projects/:id/repository/branches/:branch
 	 * 
-	 * @param gitLabApi TODO
 	 * @param projectId
 	 * @param branchName
 	 * @return
 	 * @throws IOException
 	 */
-	public Branch getBranch (GitLabApi gitLabApi, Integer projectId, String branchName) throws IOException {
+	public Branch getBranch (Integer projectId, String branchName) throws IOException {
 		ClientResponse response = get(null, "projects", projectId, "repository", "branches", branchName);
 		return (response.getEntity(Branch.class));
 	}
+	
+	
+	/**
+	 * PUT /projects/:id/repository/branches/:branch/protect
+	 * 
+	 * @param projectId
+	 * @param branchName
+	 * @return
+	 * @throws IOException
+	 */
+	public Branch protectBranch (Integer projectId, String branchName) throws IOException {
+		ClientResponse response = put(null, "projects", projectId, "repository", "branches", branchName, "protect");
+		return (response.getEntity(Branch.class));
+	}
+	
+	
+	/**
+	 * PUT /projects/:id/repository/branches/:branch/unprotect
+	 * 
+	 * @param projectId
+	 * @param branchName
+	 * @return
+	 * @throws IOException
+	 */
+	public Branch unprotectBranch (Integer projectId, String branchName) throws IOException {
+		ClientResponse response = put(null, "projects", projectId, "repository", "branches", branchName, "unprotect");
+		return (response.getEntity(Branch.class));
+	}
+	
+	
+	/**
+	 * GET /projects/:id/repository/tags
+	 * 
+	 * @param projectId
+	 * @return
+	 * @throws IOException
+	 */
+	public List<Tag> getTags (Integer projectId) throws IOException {
+		ClientResponse response = put(null, "projects", projectId, "repository", "tags");
+		 return (response.getEntity(new GenericType<List<Tag>>() {}));
+	}
+	
+	
+	/**
+	 * GET /projects/:id/repository/tree
+	 * 
+	 * @param projectId
+	 * @return
+	 * @throws IOException
+	 */
+	public List<TreeItem> getTree (Integer projectId) throws IOException {
+		ClientResponse response = put(null, "projects", projectId, "repository", "tree");
+		 return (response.getEntity(new GenericType<List<TreeItem>>() {}));
+	}
+	
+	
+	/**
+	 * GET /projects/:id/repository/blobs/:sha
+	 * 
+	 * @param projectId
+	 * @param commitOrBranchName
+	 * @return
+	 * @throws IOException
+	 */
+	public String getRawFileContent (Integer projectId, String commitOrBranchName) throws IOException {
+		ClientResponse response = get(null, "projects", projectId, "repository", "blobs", commitOrBranchName);
+		return (response.getEntity(String.class));
+	}
 
 }