RoleMap.java

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/*
 * Turró i Cutiller Foundation. License notice.
 * Copyright (C) 2022 Lluis Turró Cutiller <http://www.turro.org/>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
 
package org.turro.security;
 
import java.io.File;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Reader;
import java.io.Writer;
import java.util.TreeMap;
import java.util.TreeSet;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.turro.string.Strings;
import org.turro.configuration.JsonConfiguration;
 
public class RoleMap {
  
  private String name;
  private final TreeMap<String, TreeSet<String>> rolePermissions = new TreeMap<>();
 
  public void setName(String name) {
    this.name = name;
  }
 
  public String getName() {
    return name;
  }
 
  public TreeMap<String, TreeSet<String>> getRolePermissions() {
    return rolePermissions;
  }
 
  /* Configuration */
  
  private void prepareSaving() {
    getRolePermissions().entrySet().removeIf(entry -> Strings.isBlank(entry.getKey()));
  }
 
  public static RoleMap loadFrom(File file) {
    try(Reader reader = new FileReader(file)) {
      return JsonConfiguration.read(reader, RoleMap.class);
    } catch (IOException ex) {
      Logger.getLogger(RoleMap.class.getName()).log(Level.SEVERE, null, ex);
      return null;
    }
  }
  
  public static void saveTo(File file, RoleMap roleMap) {
    try(Writer writer = new FileWriter(file)) {
      roleMap.prepareSaving();
      JsonConfiguration.write(writer, roleMap);
    } catch (IOException ex) {
      Logger.getLogger(RoleMap.class.getName()).log(Level.SEVERE, null, ex);
    }
  }
  
}