org.opencms.ugc.CmsUgcEditService Maven / Gradle / Ivy
Show all versions of opencms-core Show documentation
/*
* This library is part of OpenCms -
* the Open Source Content Management System
*
* Copyright (c) Alkacon Software GmbH & Co. KG (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, 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.ugc;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsResource;
import org.opencms.gwt.CmsGwtService;
import org.opencms.gwt.CmsRpcException;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.ugc.shared.CmsUgcConstants;
import org.opencms.ugc.shared.CmsUgcContent;
import org.opencms.ugc.shared.CmsUgcException;
import org.opencms.ugc.shared.rpc.I_CmsUgcEditService;
import org.opencms.util.CmsUUID;
import org.opencms.xml.content.CmsXmlContentErrorHandler;
import java.io.IOException;
import java.util.Collections;
import java.util.Map;
import java.util.Set;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.fileupload.FileUploadBase;
import org.apache.commons.fileupload.servlet.ServletRequestContext;
import org.apache.commons.logging.Log;
import com.google.common.collect.Maps;
/**
* The form editing service.
*/
public class CmsUgcEditService extends CmsGwtService implements I_CmsUgcEditService {
/** Log instance for this class. */
private static final Log LOG = CmsLog.getLog(CmsUgcEditService.class);
/** The serial version id. */
private static final long serialVersionUID = 5479252081304867604L;
/**
* @see org.opencms.gwt.CmsGwtService#checkPermissions(org.opencms.file.CmsObject)
*/
@Override
public void checkPermissions(CmsObject cms) {
// don't do permission checks, since this service should be available to "Guest" users from the frontend
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#destroySession(org.opencms.util.CmsUUID)
*/
public void destroySession(CmsUUID sessionId) throws CmsUgcException {
try {
CmsUgcSession formSession = getFormSession(sessionId);
getRequest().getSession().removeAttribute("" + sessionId);
if (formSession != null) {
formSession.onSessionDestroyed();
}
} catch (Exception e) {
error(e);
}
}
/**
* @see org.opencms.gwt.CmsGwtService#error(java.lang.Throwable)
*/
@Override
public void error(Throwable t) throws CmsUgcException {
logError(t);
CmsUgcException exception = t instanceof CmsUgcException ? (CmsUgcException)t : new CmsUgcException(t);
throw exception;
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#getContent(org.opencms.util.CmsUUID)
*/
public CmsUgcContent getContent(CmsUUID sessionId) throws CmsUgcException {
CmsUgcContent formContent = null;
try {
CmsUgcSession session = CmsUgcSessionFactory.getInstance().getSession(getRequest(), sessionId);
formContent = readContent(session, session.getResource());
} catch (Exception e) {
error(e);
}
return formContent;
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#getLink(java.lang.String)
*/
public String getLink(String path) {
return OpenCms.getLinkManager().substituteLink(getCmsObject(), path);
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#saveContent(org.opencms.util.CmsUUID, java.util.Map)
*/
public Map saveContent(CmsUUID sessionId, Map contentValues)
throws CmsUgcException {
Map result = null;
try {
CmsUgcSession session = getFormSession(sessionId);
if ((session != null) && sessionId.equals(session.getId())) {
CmsXmlContentErrorHandler errorHandler = session.saveContent(contentValues);
if (errorHandler.hasErrors()) {
result = errorHandler.getErrors(session.getMessageLocale());
} else {
session.finish();
result = Collections.emptyMap();
}
} else {
// invalid session
}
} catch (Exception e) {
error(e);
}
return result;
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#uploadFiles(org.opencms.util.CmsUUID, java.util.Set, java.lang.String)
*/
public Map uploadFiles(
final CmsUUID sessionId,
final Set fieldNames,
final String formDataId) throws CmsRpcException {
try {
final CmsUgcSession session = getFormSession(sessionId);
final Map result = Maps.newHashMap();
session.getFormUploadHelper().consumeFormData(formDataId, new I_CmsFormDataHandler() {
@SuppressWarnings("synthetic-access")
public void handleFormData(Map items) throws Exception {
for (String fieldName : fieldNames) {
I_CmsFormDataItem item = items.get(fieldName);
if (item != null) {
CmsResource createdResource = session.createUploadResource(
item.getFieldName(),
item.getFileName(),
item.getData());
String sitePath = session.getCmsObject().getSitePath(createdResource);
result.put(fieldName, sitePath);
} else {
LOG.debug(formDataId + ": requested upload for field " + fieldName + " which was empty.");
}
}
}
});
return result;
} catch (Exception e) {
error(e);
return null; // will never be reached
}
}
/**
* @see org.opencms.ugc.shared.rpc.I_CmsUgcEditService#validateContent(org.opencms.util.CmsUUID, java.util.Map)
*/
public Map validateContent(CmsUUID sessionId, Map contentValues)
throws CmsUgcException {
Map result = Maps.newHashMap();
try {
CmsUgcSession session = getFormSession(sessionId);
if ((session != null) && sessionId.equals(session.getId())) {
CmsXmlContentErrorHandler errorHandler = session.validateContent(contentValues);
result = errorHandler.getErrors(session.getMessageLocale());
} else {
// invalid session
}
} catch (Exception e) {
error(e);
}
return result;
}
/**
* Handles all multipart requests.
*
* @param request the request
* @param response the response
*/
protected void handleUpload(HttpServletRequest request, HttpServletResponse response) {
String sessionIdStr = request.getParameter(CmsUgcConstants.PARAM_SESSION_ID);
CmsUUID sessionId = new CmsUUID(sessionIdStr);
CmsUgcSession session = CmsUgcSessionFactory.getInstance().getSession(request, sessionId);
session.getFormUploadHelper().processFormSubmitRequest(request);
}
/**
* @see javax.servlet.http.HttpServlet#service(javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
*/
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
boolean isMultiPart = FileUploadBase.isMultipartContent(new ServletRequestContext(request));
if (isMultiPart) {
try {
handleUpload(request, response);
} finally {
clearThreadStorage();
}
} else {
super.service(request, response);
}
}
/**
* Gets the form session with the given id.
*
* @param sessionId the session id
*
* @return the form session
*/
private CmsUgcSession getFormSession(CmsUUID sessionId) {
return CmsUgcSessionFactory.getInstance().getSession(getRequest(), sessionId);
}
/**
* Reads the form content information.
*
* @param session the editing session
* @param resource the edited resource
*
* @return the form content
*
* @throws CmsException if reading the info fails
*/
private CmsUgcContent readContent(CmsUgcSession session, CmsResource resource) throws CmsException {
CmsUgcContent formContent = new CmsUgcContent();
Map contentValues = session.getValues();
formContent.setContentValues(contentValues);
formContent.setSessionId(session.getId());
formContent.setResourceType(OpenCms.getResourceManager().getResourceType(resource).getTypeName());
formContent.setSitePath(getCmsObject().getSitePath(resource));
formContent.setStrucureId(resource.getStructureId());
return formContent;
}
}