/*
*
* Copyright (C) 2007-2015 Licensed to the Comunes Association (CA) under
* one or more contributor license agreements (see COPYRIGHT for details).
* The CA licenses this file to you under the GNU Affero General Public
* License version 3, (the "License"); you may not use this file except in
* compliance with the License. This file is part of kune.
*
* 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 cc.kune.core.server.access;
import javax.persistence.NoResultException;
import javax.persistence.PersistenceException;
import cc.kune.core.client.errors.ContentNotFoundException;
import cc.kune.core.client.errors.DefaultException;
import cc.kune.core.client.errors.GroupNotFoundException;
import cc.kune.core.client.errors.NoDefaultContentException;
import cc.kune.core.client.errors.ToolNotFoundException;
import cc.kune.core.server.content.ContainerManager;
import cc.kune.core.server.content.ContentManager;
import cc.kune.core.server.content.ContentUtils;
import cc.kune.core.server.manager.GroupManager;
import cc.kune.core.server.manager.RateManager;
import cc.kune.core.shared.domain.utils.StateToken;
import cc.kune.domain.Container;
import cc.kune.domain.Content;
import cc.kune.domain.Group;
import cc.kune.domain.Rate;
import cc.kune.domain.User;
import cc.kune.domain.finders.ContentFinder;
import cc.kune.wave.server.kspecific.WaveNameUtils;
import com.google.inject.Inject;
import com.google.inject.Singleton;
// TODO: Auto-generated Javadoc
/**
* The Class FinderServiceDefault.
*
* @author danigb@gmail.com
* @author vjrj@ourproject.org (Vicente J. Ruiz Jurado)
*/
@Singleton
public class FinderServiceDefault implements FinderService {
/** The container manager. */
private final ContainerManager containerManager;
/** The content finder. */
private final ContentFinder contentFinder;
/** The content manager. */
private final ContentManager contentManager;
/** The group manager. */
private final GroupManager groupManager;
/** The rate manager. */
private final RateManager rateManager;
/**
* Instantiates a new finder service default.
*
* @param groupManager
* the group manager
* @param containerManager
* the container manager
* @param contentManager
* the content manager
* @param rateManager
* the rate manager
* @param contentFinder
* the content finder
*/
@Inject
public FinderServiceDefault(final GroupManager groupManager, final ContainerManager containerManager,
final ContentManager contentManager, final RateManager rateManager,
final ContentFinder contentFinder) {
this.groupManager = groupManager;
this.containerManager = containerManager;
this.contentManager = contentManager;
this.rateManager = rateManager;
this.contentFinder = contentFinder;
}
/**
* Check and parse.
*
* @param s
* the s
* @return the long
* @throws ContentNotFoundException
* the content not found exception
*/
public Long checkAndParse(final String s) throws ContentNotFoundException {
if (s != null) {
try {
return Long.parseLong(s);
} catch (final NumberFormatException e) {
throw new ContentNotFoundException();
}
}
return null;
}
/**
* Check folder id.
*
* @param folderId
* the folder id
* @param container
* the container
*/
private void checkFolderId(final Long folderId, final Container container) {
if (!container.getId().equals(folderId)) {
throw new ContentNotFoundException();
}
}
/**
* Check group.
*
* @param groupName
* the group name
* @param container
* the container
*/
private void checkGroup(final String groupName, final Container container) {
if (!container.getOwner().getShortName().equals(groupName)) {
throw new ContentNotFoundException();
}
}
/**
* Check tool.
*
* @param toolName
* the tool name
* @param container
* the container
*/
private void checkTool(final String toolName, final Container container) {
if (!container.getToolName().equals(toolName)) {
throw new ContentNotFoundException();
}
}
/**
* Find by content reference.
*
* @param groupName
* the group name
* @param toolName
* the tool name
* @param folderId
* the folder id
* @param contentId
* the content id
* @return the content
* @throws ContentNotFoundException
* the content not found exception
*/
private Content findByContentReference(final String groupName, final String toolName,
final Long folderId, final Long contentId) throws ContentNotFoundException {
final Content content = contentManager.find(contentId);
if (content == null) {
throw new ContentNotFoundException();
}
final Container container = content.getContainer();
checkFolderId(folderId, container);
checkTool(toolName, container);
checkGroup(groupName, container);
return content;
}
/**
* Find by folder reference.
*
* @param groupName
* the group name
* @param toolName
* the tool name
* @param folderId
* the folder id
* @return the content
*/
private Content findByFolderReference(final String groupName, final String toolName,
final Long folderId) {
final Container container = containerManager.find(folderId);
if (container == null) {
throw new ContentNotFoundException();
}
checkFolderId(folderId, container);
checkTool(toolName, container);
checkGroup(groupName, container);
return generateFolderFakeContent(container);
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#findByRootOnGroup(java.lang.String
* , java.lang.String)
*/
@Override
public Content findByRootOnGroup(final String groupName, final String toolName)
throws DefaultException {
try {
final Group group = groupManager.findByShortName(groupName);
if (!group.existToolConfig(toolName)) {
throw new ToolNotFoundException();
}
final Container container = group.getRoot(toolName);
return generateFolderFakeContent(container);
} catch (final NoResultException e) {
throw new GroupNotFoundException();
}
}
/**
* Find default content of group.
*
* @param group
* the group
* @return the content
*/
private Content findDefaultContentOfGroup(final Group group) {
final Content defaultContent = group.getDefaultContent();
if (defaultContent == null) {
throw new NoDefaultContentException();
} else {
return defaultContent;
}
}
/**
* Find default content of group.
*
* @param groupName
* the group name
* @return the content
* @throws GroupNotFoundException
* the group not found exception
*/
private Content findDefaultContentOfGroup(final String groupName) throws GroupNotFoundException {
final Group group = groupManager.findByShortName(groupName);
return findDefaultContentOfGroup(group);
}
/**
* Generate folder fake content.
*
* @param container
* the container
* @return the content
*/
private Content generateFolderFakeContent(final Container container) {
final Content content = new Content();
content.setContainer(container);
return content;
}
/*
* (non-Javadoc)
*
* @see cc.kune.core.server.access.FinderService#getContainer(java.lang.Long)
*/
@Override
public Container getContainer(final Long folderId) throws DefaultException {
return getFolder(folderId);
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#getContainer(java.lang.String)
*/
@Override
public Container getContainer(final String folderId) throws DefaultException {
return getContainer(ContentUtils.parseId(folderId));
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#getContainerByWaveRef(java.lang
* .String)
*/
@Override
public Content getContainerByWaveRef(final String waveRef) {
return contentFinder.findByWaveId(WaveNameUtils.waveRefToRoot(waveRef));
}
/*
* (non-Javadoc)
*
* @see cc.kune.core.server.access.FinderService#getContent(java.lang.Long)
*/
@Override
public Content getContent(final Long contentId) throws ContentNotFoundException {
try {
return contentManager.find(contentId);
} catch (final PersistenceException e) {
throw new ContentNotFoundException();
}
}
/*
* (non-Javadoc)
*
* @see cc.kune.core.server.access.FinderService#getContent(java.lang.String)
*/
@Override
public Content getContent(final String contentId) throws ContentNotFoundException {
return getContent(ContentUtils.parseId(contentId));
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#getContentOrDefContent(cc.kune
* .core.shared.domain.utils.StateToken, cc.kune.domain.Group)
*/
@Override
public Content getContentOrDefContent(final StateToken token, final Group defaultGroup)
throws DefaultException {
final Long contentId = checkAndParse(token.getDocument());
final Long folderId = checkAndParse(token.getFolder());
final String group = token.getGroup();
final String tool = token.getTool();
if (token.hasAll()) {
return findByContentReference(group, tool, folderId, contentId);
} else if (token.hasGroupToolAndFolder()) {
return findByFolderReference(group, tool, folderId);
} else if (token.hasGroupAndTool()) {
return findByRootOnGroup(group, tool);
} else if (token.hasGroup()) {
return findDefaultContentOfGroup(group);
} else if (token.hasNothing()) {
return findDefaultContentOfGroup(defaultGroup);
} else {
throw new ContentNotFoundException();
}
}
@Override
public Long getCountContentsByWaveRef(final String waveRef) {
return contentFinder.countByWaveId(WaveNameUtils.waveRefToRoot(waveRef));
}
/*
* (non-Javadoc)
*
* @see cc.kune.core.server.access.FinderService#getFolder(java.lang.Long)
*/
@Override
public Container getFolder(final Long folderId) throws ContentNotFoundException {
try {
return containerManager.find(folderId);
} catch (final PersistenceException e) {
throw new ContentNotFoundException();
}
}
/*
* (non-Javadoc)
*
* @see cc.kune.core.server.access.FinderService#getRate(cc.kune.domain.User,
* cc.kune.domain.Content)
*/
@Override
public Rate getRate(final User user, final Content content) {
return rateManager.find(user, content);
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#getRateAvg(cc.kune.domain.Content)
*/
@Override
public Double getRateAvg(final Content content) {
return rateManager.getRateAvg(content);
}
/*
* (non-Javadoc)
*
* @see
* cc.kune.core.server.access.FinderService#getRateByUsers(cc.kune.domain.
* Content)
*/
@Override
public Long getRateByUsers(final Content content) {
return rateManager.getRateByUsers(content);
}
}