Created ProjectRespositoryDAO and refactored code accordingly

server/devtool/src/main/java/org/eclipse/vorto/server/devtool/service/IProjectRespositoryDAO.java

@@ -0,0 +1,17 @@
+package org.eclipse.vorto.server.devtool.service;
+
+import java.util.ArrayList;
+
+import org.eclipse.vorto.server.devtool.models.Project;
+
+public interface IProjectRespositoryDAO {
+
+	void createProject(Project project, String sessionId);
+
+	boolean projectExists(String projectName, String sessionId);
+
+	Project openProject(String projectName, String sessionId);
+
+	ArrayList<Project> getProjects(String sessionId);
+
+}

server/devtool/src/main/java/org/eclipse/vorto/server/devtool/service/impl/MapProjectRespositoryDAOImpl.java

@@ -0,0 +1,61 @@
+package org.eclipse.vorto.server.devtool.service.impl;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+
+import org.eclipse.vorto.server.devtool.models.Project;
+import org.eclipse.vorto.server.devtool.service.IProjectRespositoryDAO;
+
+public class MapProjectRespositoryDAOImpl implements IProjectRespositoryDAO {
+
+	private HashMap<String, ArrayList<Project>> projectRepositoryHashMap = new HashMap<>();
+
+	@Override
+	public void createProject(Project project, String sessionId) {
+		ArrayList<Project> projectList = projectRepositoryHashMap.get(sessionId);
+		if(projectList == null || projectList.isEmpty()){
+			projectList = new ArrayList<>();
+		}
+		projectRepositoryHashMap.put(sessionId, projectList);
+		if(!projectExists(project.getProjectName(), sessionId)){
+			projectList.add(project);
+			projectRepositoryHashMap.put(sessionId, projectList);
+		}
+	}
+
+	@Override
+	public boolean projectExists(String projectName, String sessionId) {
+		ArrayList<Project> projectList = projectRepositoryHashMap.get(sessionId);
+		for(Project project : projectList){
+			if(project.getProjectName().equals(projectName)){
+				return true;
+			}
+		}
+		return false;
+	}
+
+	@Override
+	public Project openProject(String projectName, String sessionId) {
+		if(projectExists(projectName, sessionId)){
+			ArrayList<Project> projectList = projectRepositoryHashMap.get(sessionId);
+			for(Project project : projectList){
+				if(project.getProjectName().equals(projectName)){
+					return project;
+				}
+			}
+		}
+		return null;
+	}
+
+	@Override
+	public ArrayList<Project> getProjects(String sessionId) {
+		ArrayList<Project> projectList = projectRepositoryHashMap.get(sessionId);
+		if(projectList == null){
+			projectList = new ArrayList<>();
+		}
+		return projectList;
+	}
+
+
+
+}