--- /dev/null
+/*-
+ * ========================LICENSE_START=================================
+ * O-RAN-SC
+ * %%
+ * Copyright (C) 2019 AT&T Intellectual Property
+ * %%
+ * 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.
+ * ========================LICENSE_END===================================
+ */
+package org.oransc.ric.portal.dashboard;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.invoke.MethodHandles;
+import java.nio.file.Files;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.onap.portalsdk.core.onboarding.exception.PortalAPIException;
+import org.onap.portalsdk.core.restful.domain.EcompUser;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.fasterxml.jackson.core.type.TypeReference;
+import com.fasterxml.jackson.databind.ObjectMapper;
+
+/**
+ * Provides simple user-management services.
+ *
+ * This first implementation serializes user details to a file.
+ *
+ * Migrate to a database someday?
+ */
+public class DashboardUserManager {
+
+ private static final Logger logger = LoggerFactory.getLogger(MethodHandles.lookup().lookupClass());
+
+ // This default value is only useful for development and testing.
+ public static final String USER_FILE_PATH = "dashboard-users.json";
+
+ private final File userFile;
+ private final List<EcompUser> users;
+
+ /**
+ * Development/test-only constructor that uses default file path.
+ *
+ * @param clear
+ * If true, start empty and remove any existing file.
+ *
+ * @throws IOException
+ * On file error
+ */
+ public DashboardUserManager(boolean clear) throws IOException {
+ this(USER_FILE_PATH);
+ if (clear) {
+ logger.debug("ctor: removing file {}", userFile.getAbsolutePath());
+ File f = new File(DashboardUserManager.USER_FILE_PATH);
+ if (f.exists())
+ Files.delete(f.toPath());
+ users.clear();
+ }
+ }
+
+ /**
+ * Constructur that accepts a file path
+ *
+ * @param userFilePath
+ * File path
+ * @throws IOException
+ * If file cannot be read
+ */
+ public DashboardUserManager(final String userFilePath) throws IOException {
+ logger.debug("ctor: userfile {}", userFilePath);
+ if (userFilePath == null)
+ throw new IllegalArgumentException("Missing or empty user file property");
+ userFile = new File(userFilePath);
+ logger.debug("ctor: managing users in file {}", userFile.getAbsolutePath());
+ if (userFile.exists()) {
+ final ObjectMapper mapper = new ObjectMapper();
+ users = mapper.readValue(userFile, new TypeReference<List<EcompUser>>() {
+ });
+ } else {
+ users = new ArrayList<>();
+ }
+ }
+
+ /**
+ * Gets the current users.
+ *
+ * @return List of EcompUser objects, possibly empty
+ */
+ public List<EcompUser> getUsers() {
+ return this.users;
+ }
+
+ /**
+ * Gets the user with the specified login Id
+ *
+ * @param loginId
+ * Desired login Id
+ * @return User object; null if Id is not known
+ */
+ public EcompUser getUser(String loginId) {
+ for (EcompUser u : this.users) {
+ if (u.getLoginId().equals(loginId)) {
+ logger.debug("getUser: match on {}", loginId);
+ return u;
+ }
+ }
+ logger.debug("getUser: no match on {}", loginId);
+ return null;
+ }
+
+ private void saveUsers() throws IOException {
+ final ObjectMapper mapper = new ObjectMapper();
+ mapper.writeValue(userFile, users);
+ }
+
+ /*
+ * Allow at most one thread to create a user at one time.
+ */
+ public synchronized void createUser(EcompUser user) throws PortalAPIException {
+ logger.debug("createUser: loginId {}", user.getLoginId());
+ if (users.contains(user))
+ throw new PortalAPIException("User exists: " + user.getLoginId());
+ users.add(user);
+ try {
+ saveUsers();
+ } catch (Exception ex) {
+ throw new PortalAPIException("Save failed", ex);
+ }
+ }
+
+ /*
+ * Allow at most one thread to modify a user at one time. We still have
+ * last-edit-wins of course.
+ */
+ public synchronized void updateUser(String loginId, EcompUser user) throws PortalAPIException {
+ logger.debug("editUser: loginId {}", loginId);
+ int index = users.indexOf(user);
+ if (index < 0)
+ throw new PortalAPIException("User does not exist: " + user.getLoginId());
+ users.remove(index);
+ users.add(user);
+ try {
+ saveUsers();
+ } catch (Exception ex) {
+ throw new PortalAPIException("Save failed", ex);
+ }
+ }
+
+}
Code Review / portal / ric-dashboard.git / blobdiff