BasicUser.java

/*

Copyright (C) 2009 Steffen Dienst

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package de.elatexam.editor.user;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.ElementCollection;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToMany;

import net.databinder.auth.data.DataPassword;
import net.databinder.auth.data.DataUser;
import net.databinder.auth.data.hib.BasicPassword;

import org.apache.wicket.authroles.authorization.strategies.role.Roles;

import de.elatexam.model.ComplexTaskDef;
import de.elatexam.model.Indexed;
import de.elatexam.model.SubTaskDef;

/**
 * @author Steffen Dienst
 * 
 */
@Entity
public class BasicUser implements DataUser, Indexed {
  private BasicPassword password;

  @Column(unique = true)
  private String username;

  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long hjid;

  @ElementCollection
  private final Set<String> roles;

  @ManyToMany(targetEntity = ComplexTaskDef.class, cascade = {
      CascadeType.MERGE,
      CascadeType.REFRESH,
      CascadeType.PERSIST
  })
  private final List<ComplexTaskDef> taskdefs;

  @ManyToMany(targetEntity = SubTaskDef.class, cascade = {
      CascadeType.MERGE,
      CascadeType.REFRESH,
      CascadeType.PERSIST
  })
  private final List<SubTaskDef> subtaskdefs;

  public BasicUser() {
    taskdefs = new ArrayList<ComplexTaskDef>();
    subtaskdefs = new ArrayList<SubTaskDef>();

    roles = new Roles(Roles.USER);
    password = new BasicPassword();
  }

  /**
   * @return the subtaskdefs
   */
  public List<SubTaskDef> getSubtaskdefs() {
    return subtaskdefs;
  }

  /**
   * Filter {@link #getSubtaskdefs()} to instances of a specific {@link SubTaskDef}. CAUTION: You must not add new
   * instances to this list, they won't get persisted. Use {@link #getSubtaskdefs()}.add(...) instead.
   * 
   * @param <T>
   * @param clazz
   * @return
   */
  public <T extends SubTaskDef> Collection<T> getSubtaskdefsOf(final Class<T> clazz) {
    final Set<T> res = new HashSet<T>();
    for (final SubTaskDef st : getSubtaskdefs()) {
      if (st.getClass().isAssignableFrom(clazz)) {
        res.add((T) st);
      }
    }
    return res;
  }

  public void addRole(final String role) {
    this.roles.add(role);
  }

  public Long getHjid() {
    return hjid;
  }

  /*
   * (non-Javadoc)
   * 
   * @see net.databinder.auth.data.DataUser#getPassword()
   */
  public DataPassword getPassword() {
    if (password == null)
      this.password = new BasicPassword();
    return password;
  }

  public Set<String> getRoles() {
    return new HashSet<String>(roles);
  }

  public List<ComplexTaskDef> getTaskdefs() {
    return taskdefs;
  }

  /*
   * (non-Javadoc)
   * 
   * @see net.databinder.auth.data.DataUser#getUsername()
   */
  public String getUsername() {
    return username;
  }

  /*
   * (non-Javadoc)
   * 
   * @see net.databinder.auth.data.DataUser#hasRole(java.lang.String)
   */
  public boolean hasRole(final String role) {
    return roles.contains(role);
  }

  public void setPassword(final BasicPassword password) {
    this.password = password;
  }

  public void setUsername(final String username) {
    this.username = username;
  }

  @Override
  public String toString() {
    return String.format("[user '%s']", getUsername());
  }

  /*
   * (non-Javadoc)
   * 
   * @see de.elatexam.model.Indexed#setHjid(java.lang.Long)
   */
  @Override
  public void setHjid(Long id) {
    this.hjid = id;
  }
}