org.alfresco.module.vti.web.fp.LockMethod.java Source code

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Here is the source code for org.alfresco.module.vti.web.fp.LockMethod.java

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/*
 * #%L
 * Alfresco Sharepoint Protocol
 * %%
 * Copyright (C) 2005 - 2016 Alfresco Software Limited
 * %%
 * This file is part of the Alfresco software. 
 * If the software was purchased under a paid Alfresco license, the terms of 
 * the paid license agreement will prevail.  Otherwise, the software is 
 * provided under the following open source license terms:
 * 
 * Alfresco 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 3 of the License, or
 * (at your option) any later version.
 * 
 * Alfresco 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.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 * #L%
 */

package org.alfresco.module.vti.web.fp;

import java.io.Serializable;
import java.util.Collections;

import javax.servlet.http.HttpServletResponse;

import org.alfresco.model.ContentModel;
import org.alfresco.module.vti.handler.alfresco.VtiPathHelper;
import org.alfresco.repo.security.permissions.AccessDeniedException;
import org.alfresco.repo.webdav.WebDAVServerException;
import org.alfresco.service.cmr.model.FileInfo;
import org.alfresco.service.cmr.model.FileNotFoundException;
import org.alfresco.service.cmr.repository.ContentWriter;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.version.VersionType;
import org.alfresco.service.namespace.QName;
import org.dom4j.io.OutputFormat;

/**
 * Implements the WebDAV LOCK method with VTI specific
 * 
 * @author DmitryVas
 */
public class LockMethod extends org.alfresco.repo.webdav.LockMethod {
    private String alfrescoContext;
    private VtiPathHelper pathHelper;

    public LockMethod(VtiPathHelper pathHelper) {
        this.alfrescoContext = pathHelper.getAlfrescoContext();
        this.pathHelper = pathHelper;
    }

    /** 
     * @see org.alfresco.repo.webdav.WebDAVMethod#getNodeForPath(org.alfresco.service.cmr.repository.NodeRef, java.lang.String)
     */
    @Override
    protected FileInfo getNodeForPath(NodeRef rootNodeRef, String path) throws FileNotFoundException {
        FileInfo nodeInfo = pathHelper.resolvePathFileInfo(path);
        if (nodeInfo == null) {
            throw new FileNotFoundException(path);
        }
        FileInfo workingCopy = getWorkingCopy(nodeInfo.getNodeRef());
        return workingCopy != null ? workingCopy : nodeInfo;
    }

    /**
     * @see org.alfresco.repo.webdav.LockMethod#createNode(org.alfresco.service.cmr.repository.NodeRef, java.lang.String, org.alfresco.service.namespace.QName)
     */
    @Override
    protected FileInfo createNode(NodeRef parentNodeRef, String name, QName typeQName) {
        FileInfo lockNodeInfo = super.createNode(parentNodeRef, name, ContentModel.TYPE_CONTENT);

        ContentWriter writer = getFileFolderService().getWriter(lockNodeInfo.getNodeRef());
        writer.putContent("");

        if (getNodeService().hasAspect(lockNodeInfo.getNodeRef(), ContentModel.ASPECT_AUTHOR) == false) {
            getNodeService().addAspect(lockNodeInfo.getNodeRef(), ContentModel.ASPECT_AUTHOR, null);
        }
        getNodeService().setProperty(lockNodeInfo.getNodeRef(), ContentModel.PROP_AUTHOR,
                getAuthenticationService().getCurrentUserName());

        return lockNodeInfo;
    }

    /**
     * Returns the path, excluding the Servlet Context (if present)
     * @see org.alfresco.repo.webdav.WebDAVMethod#getPath()
     */
    @Override
    public String getPath() {
        return AbstractMethod.getPathWithoutContext(alfrescoContext, m_request);
    }

    /**
     * @see org.alfresco.repo.webdav.WebDAVMethod#shouldFlushXMLWriter()
     */
    @Override
    protected boolean shouldFlushXMLWriter() {
        // Do not flush, related to specific Office behaviour
        return false;
    }

    /**
     * @see org.alfresco.repo.webdav.WebDAVMethod#createXMLWriter()
     */
    @Override
    protected OutputFormat getXMLOutputFormat() {
        OutputFormat outputFormat = new OutputFormat();
        outputFormat.setNewLineAfterDeclaration(false);
        outputFormat.setNewlines(false);
        outputFormat.setIndent(false);
        return outputFormat;
    }

    @Override
    protected void attemptLock() throws WebDAVServerException, Exception {
        try {
            FileInfo lockNodeInfo = null;
            try {
                // Check if the path exists
                lockNodeInfo = getNodeForPath(getRootNodeRef(), getPath());
            } catch (FileNotFoundException e) {
                // That will be handled in the super.executeImpl();
            }
            if (lockNodeInfo != null) {
                if (getNodeService().hasAspect(lockNodeInfo.getNodeRef(),
                        ContentModel.ASPECT_VERSIONABLE) == false) {
                    getNodeService().addAspect(lockNodeInfo.getNodeRef(), ContentModel.ASPECT_VERSIONABLE,
                            Collections.<QName, Serializable>singletonMap(ContentModel.PROP_VERSION_TYPE,
                                    VersionType.MAJOR));
                }
            }

            super.attemptLock();
        } catch (AccessDeniedException e) {
            // Office 2008/2011 for Mac special error handling
            // returning 403 status will cause client to show user friendly message
            m_response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        }
    }

}