/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH (http://www.alkacon.com)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* For further information about Alkacon Software GmbH, please see the
* company website: http://www.alkacon.com
*
* For further information about OpenCms, please see the
* project website: http://www.opencms.org
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package org.opencms.synchronize;
import org.opencms.file.CmsObject;
import org.opencms.main.CmsException;
import org.opencms.main.CmsIllegalArgumentException;
import org.opencms.util.CmsStringUtil;
import java.io.File;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
/**
* Contains the settings for the synchronization.<p>
*
* @since 6.0.0
*/
public class CmsSynchronizeSettings implements Serializable {
/** use well defined serialVersionUID to avoid issues with serialization. */
private static final long serialVersionUID = 3713893787290111758L;
/** The destination path of the synchronization in the "real" file system. */
private String m_destinationPathInRfs;
/** Indicates if the synchronization is enabled or not. */
private boolean m_enabled;
/** The source path list of the synchronization in the OpenCms VFS. */
private List m_sourceListInVfs;
/**
* Empty constructor, called from the configuration.<p>
*/
public CmsSynchronizeSettings() {
m_sourceListInVfs = new ArrayList();
}
/**
* Performs a check if the values that have been set are valid.<p>
*
* @param cms the current users OpenCms context
*
* @throws CmsException in case the values are not valid
*/
public void checkValues(CmsObject cms) throws CmsException {
if (isEnabled() && (m_destinationPathInRfs == null)) {
// if enabled, it's required to have RFS destination folder available
throw new CmsSynchronizeException(Messages.get().container(Messages.ERR_NO_RFS_DESTINATION_0));
}
if (isEnabled() && ((m_sourceListInVfs == null) || (m_sourceListInVfs.size() == 0))) {
// if enabled, it's required to have at last one source folder
throw new CmsSynchronizeException(Messages.get().container(Messages.ERR_NO_VFS_SOURCE_0));
}
Iterator i = m_sourceListInVfs.iterator();
// store the current site root
String currentSite = cms.getRequestContext().getSiteRoot();
// switch to root site
cms.getRequestContext().setSiteRoot("");
try {
while (i.hasNext()) {
// try to read all given resources, this will cause an error if the resource does not exist
cms.readResource((String)i.next());
}
} finally {
// reset to current site root
cms.getRequestContext().setSiteRoot(currentSite);
}
}
/**
* Returns the destination path of the synchronization in the "real" file system.<p>
*
* @return the destination path of the synchronization in the "real" file system
*/
public String getDestinationPathInRfs() {
return m_destinationPathInRfs;
}
/**
* Returns the source path list of the synchronization in the OpenCms VFS.<p>
*
* The objects in the list are of type <code>{@link String}</code>.
*
* @return the source path list of the synchronization in the OpenCms VFS
*/
public List getSourceListInVfs() {
return m_sourceListInVfs;
}
/**
* Returns the enabled flag which indicates if this synchronize settings are enabled or not.<p>
*
* @return the enabled flag
*/
public boolean isEnabled() {
return m_enabled;
}
/**
* Returns <code>true</code> if the synchonization is enabled.<p>
*
* The synchonization is enabled if both source and destination
* path is set, and also the enabled flag is true.<p>
*
* @return <code>true</code> if the synchonization is enabled
*/
public boolean isSyncEnabled() {
return isEnabled() && (m_sourceListInVfs != null) && (m_destinationPathInRfs != null);
}
/**
* Sets the destination path of the synchronization in the "real" file system.<p>
*
* @param destinationPathInRfs the destination path of the synchronization in the "real" file system to set
*/
public void setDestinationPathInRfs(String destinationPathInRfs) {
String destination;
if (CmsStringUtil.isEmptyOrWhitespaceOnly(destinationPathInRfs)) {
destination = null;
} else {
destination = destinationPathInRfs.trim();
}
if (destination != null) {
File destinationFolder = new File(destination);
if (!destinationFolder.exists() || !destinationFolder.isDirectory()) {
// destination folder does not exist
throw new CmsIllegalArgumentException(Messages.get().container(
Messages.ERR_RFS_DESTINATION_NOT_THERE_1,
destination));
}
if (!destinationFolder.canWrite()) {
// destination folder can't be written to
throw new CmsIllegalArgumentException(Messages.get().container(
Messages.ERR_RFS_DESTINATION_NO_WRITE_1,
destination));
}
destination = destinationFolder.getAbsolutePath();
if (destination.endsWith(File.separator)) {
// ensure that the destination folder DOES NOT end with a file separator
destination = destination.substring(0, destination.length() - 1);
}
}
m_destinationPathInRfs = destination;
}
/**
* Sets the enabled flag which indicates if this synchronize settings are enabled or not.<p>
*
* @param enabled the enabled flag to set
*/
public void setEnabled(boolean enabled) {
m_enabled = enabled;
}
/**
* Sets the source path list of the synchronization in the OpenCms VFS.<p>
*
* The objects in the list must be of type <code>{@link String}</code>.
*
* @param sourceListInVfs the source path list of the synchronization in the OpenCms VFS to set
*/
public void setSourceListInVfs(List sourceListInVfs) {
if (sourceListInVfs == null) {
m_sourceListInVfs = new ArrayList();
} else {
m_sourceListInVfs = optimizeSourceList(sourceListInVfs);
}
}
/**
* @see java.lang.Object#toString()
*/
public String toString() {
StringBuffer result = new StringBuffer();
result.append("[");
result.append(this.getClass().getName());
result.append(", enabled: ");
result.append(m_enabled);
result.append(", RFS destination path: ");
result.append(m_destinationPathInRfs);
result.append(", VFS source path list: ");
if (m_sourceListInVfs == null) {
result.append(m_sourceListInVfs);
} else {
Iterator i = m_sourceListInVfs.iterator();
while (i.hasNext()) {
String path = (String)i.next();
result.append(path);
if (i.hasNext()) {
result.append(", ");
}
}
}
result.append("]");
return result.toString();
}
/**
* Optimizes the list of VFS source files by removing all resources that
* have a parent resource already included in the list.<p>
*
* @param sourceListInVfs the list of VFS resources to optimize
* @return the optimized result list
*/
protected List optimizeSourceList(List sourceListInVfs) {
// input should be sorted but may be immutable
List input = new ArrayList(sourceListInVfs);
Collections.sort(input);
List result = new ArrayList();
Iterator i = input.iterator();
while (i.hasNext()) {
// check all sources in the list
String sourceInVfs = (String)i.next();
if (CmsStringUtil.isEmpty(sourceInVfs)) {
// skip empty strings
continue;
}
boolean found = false;
for (int j = (result.size() - 1); j >= 0; j--) {
// check if this source is indirectly contained because a parent folder is contained
String check = (String)result.get(j);
if (sourceInVfs.startsWith(check)) {
found = true;
break;
}
}
if (!found) {
// the source is not already contained in the result
result.add(sourceInVfs);
}
}
return result;
}
}