cmsuserdataimportdialog.java

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/*
 * File   : $Source: /usr/local/cvs/opencms/src-modules/org/opencms/workplace/tools/accounts/CmsUserDataImportDialog.java,v $
 * Date   : $Date: 2007-08-13 16:29:47 $
 * Version: $Revision: 1.3 $
 *
 * 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.tools.accounts;

import org.opencms.i18n.CmsEncoder;
import org.opencms.jsp.CmsJspActionElement;
import org.opencms.main.CmsIllegalArgumentException;
import org.opencms.main.CmsRuntimeException;
import org.opencms.util.CmsRequestUtil;
import org.opencms.util.CmsStringUtil;
import org.opencms.util.CmsXsltUtil;
import org.opencms.widgets.CmsGroupWidget;
import org.opencms.widgets.CmsHttpUploadWidget;
import org.opencms.widgets.CmsInputWidget;
import org.opencms.widgets.CmsSelectWidget;
import org.opencms.workplace.CmsDialog;
import org.opencms.workplace.CmsWidgetDialogParameter;
import org.opencms.workplace.CmsWorkplaceSettings;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.PageContext;

import org.apache.commons.fileupload.FileItem;

/**
 * Dialog to import user data.<p>
 * 
 * @author Raphael Schnuck 
 * 
 * @version $Revision: 1.3 $ 
 * 
 * @since 6.5.6
 */
public class CmsUserDataImportDialog extends A_CmsUserDataImexportDialog {

    /** localized messages Keys prefix. */
    public static final String KEY_PREFIX = "userdata.import";

    /** The path to the file to import. */
    private String m_importFile;

    /** The password to use in the import. */
    private String m_password;

    /**
     * Public constructor with JSP action element.<p>
     * 
     * @param jsp an initialized JSP action element
     */
    public CmsUserDataImportDialog(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 CmsUserDataImportDialog(PageContext context, HttpServletRequest req, HttpServletResponse res) {

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

    /**
     * @see org.opencms.workplace.tools.accounts.A_CmsUserDataImexportDialog#actionCommit()
     */
    public void actionCommit() throws IOException, ServletException {

        List errors = new ArrayList();

        // get the file item from the multipart request
        Iterator it = getMultiPartFileItems().iterator();
        FileItem fi = null;
        while (it.hasNext()) {
            fi = (FileItem)it.next();
            if (fi.getName() != null) {
                // found the file object, leave iteration
                break;
            } else {
                // this is no file object, check next item
                continue;
            }
        }

        if (fi != null && CmsStringUtil.isNotEmptyOrWhitespaceOnly(fi.getName())) {
            byte[] content = fi.get();
            File importFile = File.createTempFile("import_users", ".csv");
            m_importFile = importFile.getAbsolutePath();

            FileOutputStream fileOutput = new FileOutputStream(importFile);
            fileOutput.write(content);
            fileOutput.close();
            fi.delete();

            FileReader fileReader = new FileReader(importFile);
            BufferedReader bufferedReader = new BufferedReader(fileReader);
            String line = bufferedReader.readLine();

            if (line != null) {
                List colDefs = CmsStringUtil.splitAsList(line, CmsXsltUtil.getPreferredDelimiter(line));
                if (!colDefs.contains("name")) {
                    errors.add(new CmsRuntimeException(Messages.get().container(
                        Messages.ERR_USERDATA_IMPORT_CSV_MISSING_NAME_0)));
                }
                if ((line.indexOf("password") == -1) && CmsStringUtil.isEmptyOrWhitespaceOnly(m_password)) {
                    errors.add(new CmsRuntimeException(Messages.get().container(
                        Messages.ERR_USERDATA_IMPORT_CSV_MISSING_PASSWORD_0)));
                }
            }
            bufferedReader.close();
        } else {
            errors.add(new CmsIllegalArgumentException(Messages.get().container(
                Messages.ERR_USERDATA_IMPORT_NO_CONTENT_0)));
        }

        if (errors.isEmpty()) {
            Map params = new HashMap();
            params.put("groups", CmsStringUtil.collectionAsString(getGroups(), ","));
            params.put("roles", CmsStringUtil.collectionAsString(getRoles(), ","));
            params.put("importfile", m_importFile);
            params.put("password", m_password);
            params.put(A_CmsOrgUnitDialog.PARAM_OUFQN, getParamOufqn());
            // set action parameter to initial dialog call
            params.put(CmsDialog.PARAM_ACTION, CmsDialog.DIALOG_INITIAL);

            getToolManager().jspForwardTool(this, getCurrentToolPath() + "/list", params);
        }
        // set the list of errors to display when something goes wrong
        setCommitErrors(errors);
    }

    /**
     * @see org.opencms.workplace.CmsWidgetDialog#dialogButtonsCustom()
     */
    public String dialogButtonsCustom() {

        StringBuffer result = new StringBuffer(256);
        result.append(dialogButtonRow(HTML_START));
        result.append("<input name=\"ok\" value=\"");
        result.append(key(org.opencms.workplace.Messages.GUI_DIALOG_BUTTON_CONTINUE_0) + "\"");
        result.append(" type=\"submit\"");
        result.append(" class=\"dialogbutton\"");
        result.append(">\n");
        dialogButtonsHtml(result, BUTTON_CANCEL, "");
        result.append(dialogButtonRow(HTML_END));
        return result.toString();
    }

    /**
     * Returns the path of the file to import.<p>
     * 
     * @return the path of the file to import
     */
    public String getImportFile() {

        return m_importFile;
    }

    /**
     * Returns the password to set during import.<p>
     * 
     * @return the password to set during import
     */
    public String getPassword() {

        return m_password;
    }