| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.syncope.client.enduser; |
| |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.core.type.TypeReference; |
| import java.io.IOException; |
| import java.io.Serializable; |
| import java.io.StringWriter; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Base64; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.commons.lang3.math.NumberUtils; |
| import org.apache.wicket.util.cookies.CookieDefaults; |
| import org.apache.wicket.util.cookies.CookieUtils; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public class PreferenceManager implements Serializable { |
| |
| private static final long serialVersionUID = 3581434664555284193L; |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PreferenceManager.class); |
| |
| private static final String COOKIE_NAME = "syncope2EnduserPrefs"; |
| |
| private static final int ONE_YEAR_TIME = 60 * 60 * 24 * 365; |
| |
| private static final ObjectMapper MAPPER = new ObjectMapper(); |
| |
| private static final TypeReference<Map<String, String>> MAP_TYPE_REF = new TypeReference<Map<String, String>>() { |
| }; |
| |
| private static final List<Integer> PAGINATOR_CHOICES = Arrays.asList(new Integer[] { 10, 25, 50 }); |
| |
| private static final CookieUtils COOKIE_UTILS; |
| |
| static { |
| CookieDefaults cookieDefaults = new CookieDefaults(); |
| cookieDefaults.setMaxAge(ONE_YEAR_TIME); |
| COOKIE_UTILS = new CookieUtils(cookieDefaults); |
| } |
| |
| public List<Integer> getPaginatorChoices() { |
| return PAGINATOR_CHOICES; |
| } |
| |
| private Map<String, String> getPrefs(final String value) { |
| Map<String, String> prefs; |
| try { |
| if (StringUtils.isNotBlank(value)) { |
| prefs = MAPPER.readValue(value, MAP_TYPE_REF); |
| } else { |
| throw new Exception("Invalid cookie value '" + value + "'"); |
| } |
| } catch (Exception e) { |
| LOG.debug("No preferences found", e); |
| prefs = new HashMap<>(); |
| } |
| |
| return prefs; |
| } |
| |
| private String setPrefs(final Map<String, String> prefs) throws IOException { |
| StringWriter writer = new StringWriter(); |
| MAPPER.writeValue(writer, prefs); |
| |
| return writer.toString(); |
| } |
| |
| public String get(final String key) { |
| String result = null; |
| |
| String prefString = COOKIE_UTILS.load(COOKIE_NAME); |
| if (prefString != null) { |
| Map<String, String> prefs = getPrefs(new String(Base64.getDecoder().decode(prefString.getBytes()))); |
| result = prefs.get(key); |
| } |
| |
| return result; |
| } |
| |
| public Integer getPaginatorRows(final String key) { |
| Integer result = getPaginatorChoices().get(0); |
| |
| String value = get(key); |
| if (value != null) { |
| result = NumberUtils.toInt(value, 10); |
| } |
| |
| return result; |
| } |
| |
| public List<String> getList(final String key) { |
| List<String> result = new ArrayList<>(); |
| |
| String compound = get(key); |
| |
| if (StringUtils.isNotBlank(compound)) { |
| String[] items = compound.split(";"); |
| result.addAll(Arrays.asList(items)); |
| } |
| |
| return result; |
| } |
| |
| public void set(final Map<String, List<String>> prefs) { |
| Map<String, String> current = new HashMap<>(); |
| |
| String prefString = COOKIE_UTILS.load(COOKIE_NAME); |
| if (prefString != null) { |
| current.putAll(getPrefs(new String(Base64.getDecoder().decode(prefString.getBytes())))); |
| } |
| |
| // after retrieved previous setting in order to overwrite the key ... |
| prefs.forEach((key, values) -> { |
| current.put(key, StringUtils.join(values, ";")); |
| }); |
| |
| try { |
| COOKIE_UTILS.save(COOKIE_NAME, Base64.getEncoder().encodeToString(setPrefs(current).getBytes())); |
| } catch (IOException e) { |
| LOG.error("Could not save {} info: {}", getClass().getSimpleName(), current, e); |
| } |
| } |
| |
| public void set(final String key, final String value) { |
| String prefString = COOKIE_UTILS.load(COOKIE_NAME); |
| |
| final Map<String, String> current = new HashMap<>(); |
| if (prefString != null) { |
| current.putAll(getPrefs(new String(Base64.getDecoder().decode(prefString.getBytes())))); |
| } |
| |
| // after retrieved previous setting in order to overwrite the key ... |
| current.put(key, value); |
| |
| try { |
| COOKIE_UTILS.save(COOKIE_NAME, Base64.getEncoder().encodeToString(setPrefs(current).getBytes())); |
| } catch (IOException e) { |
| LOG.error("Could not save {} info: {}", getClass().getSimpleName(), current, e); |
| } |
| } |
| |
| public void setList(final String key, final List<String> values) { |
| set(key, StringUtils.join(values, ";")); |
| } |
| |
| public void setList(final Map<String, List<String>> prefs) { |
| set(prefs); |
| } |
| } |