cmsnewresourceupload.java

来自「找了很久才找到到源代码」· Java 代码 · 共 966 行 · 第 1/3 页

/*
 * File   : $Source: /usr/local/cvs/opencms/src/org/opencms/workplace/explorer/CmsNewResourceUpload.java,v $
 * Date   : $Date: 2007-08-13 16:29:40 $
 * Version: $Revision: 1.27 $
 *
 * This library is part of OpenCms -
 * the Open Source Content Management System
 *
 * Copyright (c) 2002 - 2007 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.workplace.explorer;

import org.opencms.db.CmsDbSqlException;
import org.opencms.db.CmsImportFolder;
import org.opencms.db.CmsUserSettings;
import org.opencms.file.CmsFile;
import org.opencms.file.CmsObject;
import org.opencms.file.CmsProject;
import org.opencms.file.CmsProperty;
import org.opencms.file.CmsPropertyDefinition;
import org.opencms.file.CmsResource;
import org.opencms.file.CmsResourceFilter;
import org.opencms.file.types.I_CmsResourceType;
import org.opencms.i18n.CmsEncoder;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.loader.CmsLoaderException;
import org.opencms.main.CmsException;
import org.opencms.main.CmsLog;
import org.opencms.main.OpenCms;
import org.opencms.security.CmsPermissionSet;
import org.opencms.util.CmsStringUtil;
import org.opencms.workplace.CmsDialog;
import org.opencms.workplace.CmsWorkplace;
import org.opencms.workplace.CmsWorkplaceException;
import org.opencms.workplace.CmsWorkplaceSettings;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.PageContext;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.logging.Log;

/**
 * The new resource upload dialog handles the upload of single files or zipped files.<p>
 * 
 * The following files use this class:
 * <ul>
 * <li>/commons/newresource_upload.jsp
 * </ul>
 * <p>
 * 
 * @author Andreas Zahner 
 * 
 * @version $Revision: 1.27 $ 
 * 
 * @since 6.0.0 
 */
public class CmsNewResourceUpload extends CmsNewResource {

    /** The value for the resource upload applet action. */
    public static final int ACTION_APPLET = 140;

    /** The value for the resource upload applet action. */
    public static final int ACTION_APPLET_CHECK_OVERWRITE = 141;

    /** The value for the resource name form action. */
    public static final int ACTION_NEWFORM2 = 120;

    /** The value for the resource upload applet action: error occured. */
    public static final int ACTION_SHOWERROR = 150;

    /** The value for the resource name form submission action. */
    public static final int ACTION_SUBMITFORM2 = 130;

    /** Constant for pre selection of the file filter for web documents / snippets in the upload applet. */
    // Warning: keep in sync with org.opencms.applet.upload.ImageFilter.FILTER_ID.
    public static final String APPLET_FILEFILTER_IMAGES = "imagefilter";

    /** Constant for pre selection of the file filter for office documents in the upload applet. */
    // Warning: keep in sync with org.opencms.applet.upload.OfficeFilter.FILTER_ID.
    public static final String APPLET_FILEFILTER_OFFICE = "officefilter";

    /** Constant for pre selection of the file filter for web documents / snippets in the upload applet. */
    // Warning: keep in sync with org.opencms.applet.upload.WebFilter.FILTER_ID.
    public static final String APPLET_FILEFILTER_WEB = "webfilter";

    /** The value for the resource upload applet action. */
    // Warning: This constant has to be kept in sync with the same named constant in org.opencms.applet.FileUploadApplet!    
    public static final String DIALOG_CHECK_OVERWRITE = "checkoverwrite";

    /** The name for the resource form submission action. */
    public static final String DIALOG_SHOWERROR = "showerror";

    /** The name for the resource form submission action. */
    public static final String DIALOG_SUBMITFORM2 = "submitform2";

    /** Request parameter name for the upload folder name. */
    public static final String PARAM_CLIENTFOLDER = "clientfolder";

    /** Request parameter name for the new resource file name. */
    public static final String PARAM_NEWRESOURCENAME = "newresourcename";

    /** Request parameter name for the redirect url. */
    public static final String PARAM_REDIRECTURL = "redirecturl";

    /** Request parameter name for the redirect target frame name. */
    public static final String PARAM_TARGETFRAME = "targetframe";

    /** Request parameter name for the upload file unzip flag. */
    public static final String PARAM_UNZIPFILE = "unzipfile";

    /** Request parameter name for the upload file name. */
    public static final String PARAM_UPLOADERROR = "uploaderror";

    /** Request parameter name for the upload file name. */
    public static final String PARAM_UPLOADFILE = "uploadfile";

    /** Request parameter name for the upload folder name. */
    public static final String PARAM_UPLOADFOLDER = "uploadfolder";

    /** The log object for this class. */
    private static final Log LOG = CmsLog.getLog(CmsNewResourceUpload.class);

    private String m_paramClientFolder;
    private String m_paramNewResourceName;
    private String m_paramRedirectUrl;
    private String m_paramTargetFrame;
    private String m_paramUnzipFile;
    private String m_paramUploadError;
    private String m_paramUploadFile;
    private String m_paramUploadFolder;

    /**
     * Public constructor with JSP action element.<p>
     * 
     * @param jsp an initialized JSP action element
     */
    public CmsNewResourceUpload(CmsJspActionElement jsp) {

        super(jsp);
    }

    /**
     * Public constructor with JSP variables.<p>
     * 
     * @param context the JSP page context
     * @param req the JSP request
     * @param res the JSP response
     */
    public CmsNewResourceUpload(PageContext context, HttpServletRequest req, HttpServletResponse res) {

        this(new CmsJspActionElement(context, req, res));
    }

    /**
     * Builds the html for the list of possible types for the uploaded file.<p>
     * 
     * This method can be used by all workplace dialog classes to build 
     * radio input buttons to select a resource type.<p>
     * 
     * @param dialog the dialog class instance which creates the type list
     * @param useTypeId if true, the resource type ID will be used for value attributes, otherwise the resource type names 
     * @return the list of possible files for the uploaded resource
     */
    public static String buildTypeList(CmsDialog dialog, boolean useTypeId) {

        StringBuffer result = new StringBuffer(512);
        try {
            // get current Cms object
            CmsObject cms = dialog.getCms();
            // determine resource type id of resource to change
            CmsResource res = cms.readResource(dialog.getParamResource(), CmsResourceFilter.ALL);
            int currentResTypeId = res.getTypeId();
            // get all available explorer type settings
            List resTypes = OpenCms.getWorkplaceManager().getExplorerTypeSettings();
            boolean isFolder = res.isFolder();
            // loop through all visible resource types
            for (int i = 0; i < resTypes.size(); i++) {
                boolean changeable = false;
                // get explorer type settings for current resource type
                CmsExplorerTypeSettings settings = (CmsExplorerTypeSettings)resTypes.get(i);

                // only if settings is a real resourcetype
                boolean isResourceType;
                try {
                    OpenCms.getResourceManager().getResourceType(settings.getName());
                    isResourceType = true;
                } catch (CmsLoaderException e) {
                    isResourceType = false;
                }

                if (isResourceType) {
                    int resTypeId = OpenCms.getResourceManager().getResourceType(settings.getName()).getTypeId();
                    // determine if this resTypeId is changeable by currentResTypeId

                    // changeable is true if current resource is a folder and this resource type also
                    if (isFolder && OpenCms.getResourceManager().getResourceType(resTypeId).isFolder()) {
                        changeable = true;
                    } else if (!isFolder && !OpenCms.getResourceManager().getResourceType(resTypeId).isFolder()) {
                        // changeable is true if current resource is NOT a folder and this resource type also NOT                    
                        changeable = true;
                    }

                    if (changeable) {
                        // determine if this resource type is editable for the current user
                        CmsPermissionSet permissions = settings.getAccess().getPermissions(cms, res);
                        if (!permissions.requiresWritePermission() || !permissions.requiresControlPermission()) {
                            // skip resource types without required write or create permissions
                            continue;
                        }

                        // create table row with input radio button
                        result.append("<tr><td>");
                        result.append("<input type=\"radio\" name=\"");
                        result.append(PARAM_NEWRESOURCETYPE);
                        result.append("\" value=\"");
                        if (useTypeId) {
                            // use resource type id as value
                            result.append(resTypeId);
                        } else {
                            // use resource type name as value
                            result.append(settings.getName());
                        }
                        result.append("\"");
                        if (resTypeId == currentResTypeId) {
                            result.append(" checked=\"checked\"");
                        }
                        result.append("></td>");
                        result.append("\t<td><img src=\"");
                        result.append(getSkinUri());
                        result.append("filetypes/");
                        result.append(settings.getIcon());
                        result.append("\" border=\"0\" title=\"");
                        result.append(dialog.key(settings.getKey()));
                        result.append("\"></td>\n");
                        result.append("<td>");
                        result.append(dialog.key(settings.getKey()));
                        result.append("</td></tr>\n");
                    }
                }
            }
        } catch (CmsException e) {
            // error reading the VFS resource, log error
            LOG.error(org.opencms.workplace.commons.Messages.get().getBundle().key(
                org.opencms.workplace.commons.Messages.ERR_BUILDING_RESTYPE_LIST_1,
                dialog.getParamResource()));
        }
        return result.toString();
    }

    /**
     * Used to close the current JSP dialog.<p>
     * 
     * This method overwrites the close dialog method in the super class,
     * because in case a new file was uploaded and the cancel button pressed,
     * the uploaded file has to be deleted.<p>
     *  
     * It tries to include the URI stored in the workplace settings.
     * This URI is determined by the frame name, which has to be set 
     * in the framename parameter.<p>
     * 
     * @throws JspException if including an element fails
     */
    public void actionCloseDialog() throws JspException {

        if (getAction() == ACTION_CANCEL) {
            try {
                CmsResource res = getCms().readResource(getParamResource(), CmsResourceFilter.IGNORE_EXPIRATION);
                if (res.getState().isNew()) {
                    // only delete new resource
                    getCms().deleteResource(getParamResource(), CmsResource.DELETE_PRESERVE_SIBLINGS);
                }
                if (res.getState().isChanged()) {
                    // resource is changed, restore content of resource from online project
                    CmsProject currentProject = getCms().getRequestContext().currentProject();
                    byte[] onlineContents = null;
                    try {
                        // switch to online project and get online file contents
                        getCms().getRequestContext().setCurrentProject(
                            getCms().readProject(CmsProject.ONLINE_PROJECT_ID));
                        CmsFile onlineFile = getCms().readFile(getParamResource(), CmsResourceFilter.IGNORE_EXPIRATION);
                        onlineContents = onlineFile.getContents();

                    } finally {
                        // switch back to current project
                        getCms().getRequestContext().setCurrentProject(currentProject);
                    }
                    if (onlineContents != null) {
                        // write online contents back to offline file
                        CmsFile modFile = getCms().readFile(getParamResource(), CmsResourceFilter.IGNORE_EXPIRATION);
                        modFile.setContents(onlineContents);
                        getCms().writeFile(modFile);
                    }