de.codesourcery.eve.skills.datamodel.UserAccount.java Source code

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/**
 * Copyright 2004-2009 Tobias Gierke <tobias.gierke@code-sourcery.de>
 *
 * 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.
 */
package de.codesourcery.eve.skills.datamodel;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.lang.StringUtils;
import org.apache.log4j.Logger;

import de.codesourcery.eve.apiclient.ICredentialsProvider;
import de.codesourcery.eve.apiclient.datamodel.APIKey;
import de.codesourcery.eve.apiclient.datamodel.Credentials;
import de.codesourcery.eve.apiclient.datamodel.APIKey.KeyRole;
import de.codesourcery.eve.apiclient.exceptions.MissingAPIKeyException;
import de.codesourcery.eve.skills.accountdata.IUserAccountStore;
import de.codesourcery.eve.skills.exceptions.NoSuchCharacterException;

/**
 * An EVE Online(tm) user account.
 *
 * @author tobias.gierke@code-sourcery.de
 */
public class UserAccount implements ICredentialsProvider {

    private static final Logger log = Logger.getLogger(UserAccount.class);

    private Map<CharacterID, ICharacter> characters = new HashMap<CharacterID, ICharacter>();

    private String displayName;
    private final Credentials credentials;

    @Override
    public String toString() {
        return "UserAccount[ display_name=" + displayName + " , user ID= " + credentials.getUserId() + " ]";
    }

    /**
     * Create instance.
     * 
     * @param credentials Credentials to use for this account
     * @throws IllegalArgumentException on <code>null</code> <code>credentials</code>
     */
    public UserAccount(String name, Credentials credentials) {
        if (credentials == null) {
            throw new IllegalArgumentException("credentials cannot be NULL");
        }
        this.credentials = credentials;
        setName(name);
    }

    public boolean containsCharacter(IBaseCharacter character) {

        if (character == null) {
            throw new IllegalArgumentException("character cannot be NULL");
        }

        for (ICharacter c : characters.values()) {
            if (c.getCharacterId().equals(character.getCharacterId())) {
                return true;
            }
        }
        return false;
    }

    public void syncWithServer(IUserAccountStore accountStore, Collection<IBaseCharacter> fromServer) {

        if (log.isDebugEnabled()) {
            log.debug("syncWithServer(): Syncing characters of account " + this + " with server");
        }

        final List<ICharacter> existing = new ArrayList<ICharacter>(getCharacters());

        for (ICharacter c : existing) {
            if (!containsCharacter(fromServer, c)) {
                if (log.isDebugEnabled()) {
                    log.debug("syncWithServer(): Removing character " + c);
                }
                accountStore.notifyCharacterAboutToBeRemoved(this, c);
                removeCharacter(c.getCharacterId());
            }
        }

        for (IBaseCharacter c : fromServer) {
            if (containsCharacter(c)) {
                continue;
            }

            final Character newChar = new Character(c);
            if (log.isDebugEnabled()) {
                log.debug("syncWithServer(): Adding character " + newChar);
            }
            addCharacter(newChar);
            accountStore.notifyCharacterAdded(this, newChar);
        }

        if (log.isDebugEnabled()) {
            log.debug("syncWithServer(): Finished syncing : " + this);
        }
    }

    private boolean containsCharacter(Collection<IBaseCharacter> chars, IBaseCharacter character) {

        if (character == null) {
            throw new IllegalArgumentException("character cannot be NULL");
        }

        for (IBaseCharacter c : chars) {
            if (c.getCharacterId().equals(character.getCharacterId())) {
                return true;
            }
        }
        return false;
    }

    /**
     * Add a character to this account.
     * 
     * @param c
     * @throws RuntimeException if a character with the same character ID was already added
     */
    public void addCharacter(ICharacter c) {

        if (c == null) {
            throw new IllegalArgumentException("character cannot be NULL");
        }

        if (c.getCharacterId() == null) {
            throw new IllegalArgumentException("character ID cannot be NULL");
        }

        if (characters.get(c.getCharacterId()) != null) {
            throw new RuntimeException("Duplicate character with ID " + c.getCharacterId());
        }

        this.characters.put(c.getCharacterId(), c);
    }

    public boolean containsCharacter(CharacterID id) {

        if (id == null) {
            throw new IllegalArgumentException("character id cannot be NULL");
        }

        return characters.get(id) != null;
    }

    /**
     * Get character by character ID.
     * 
     * @param id
     * @return
     * @throws NoSuchCharacterException
     */
    public ICharacter getCharacterByID(CharacterID id) {
        if (id == null) {
            throw new IllegalArgumentException(" character ID cannot be NULL");
        }

        final ICharacter result = characters.get(id);
        if (result != null) {
            return result;
        }
        throw new NoSuchCharacterException(id);
    }

    /**
     * Returns the characters for this account.
     * 
     * @return
     */
    public List<ICharacter> getCharacters() {
        return new ArrayList<ICharacter>(characters.values());
    }

    /**
     * Returns the credentials for this account.
     * 
     */
    public Credentials getCredentials() {
        return credentials;
    }

    public void removeCharacter(CharacterID id) {
        if (id == null) {
            throw new IllegalArgumentException("character ID cannot be NULL");
        }
        this.characters.remove(id);
    }

    public void setName(String name) {

        if (StringUtils.isBlank(name)) {
            throw new IllegalArgumentException("account displayName cannot be blank / NULL");
        }
        this.displayName = name;
    }

    public String getName() {
        return displayName;
    }

    @Override
    public APIKey getKeyForRole(KeyRole role) throws MissingAPIKeyException {
        return credentials.getKeyForRole(role);
    }

    @Override
    public long getUserId() {
        return credentials.getUserId();
    }

    public boolean hasCharacter(CharacterID charID) {
        if (charID == null) {
            throw new IllegalArgumentException("character ID cannot be NULL");
        }
        return this.characters.containsKey(charID);
    }

}