cmsadmindowngalleries.java

cms是开源的框架

                filecontent = (byte[])session.getValue(CmsWorkplaceDefault.C_PARA_FILECONTENT);
                if("0".equals(step)) {
                    templateSelector = "";
                }
                else {
                    if("1".equals(step)) {

                        // display the select filetype screen
                        if(filename != null) {

                            // check if the file size is 0
                            if(filecontent.length == 0) {
                                templateSelector = "error";
                                xmlTemplateDocument.setData("details", filename);
                            }
                            else {
                                if(unzip != null) {
                                    // try to unzip the file here ...
                                    boolean noSubFolder = (nofolder != null ? true : false);
                                    CmsImportFolder zip = new CmsImportFolder(
                                        filecontent, foldername, cms, noSubFolder);
                                    if( zip.isValidZipFile() ) {

                                        // remove the values form the session
                                        session.removeValue(CmsWorkplaceDefault.C_PARA_RESOURCE);
                                        session.removeValue(CmsWorkplaceDefault.C_PARA_FILECONTENT);
                                        session.removeValue(CmsWorkplaceDefault.C_PARA_NEWTYPE);
                                        // return to the filelist
                                        try {
                                            //CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendCmsRedirect( getConfigFile(cms).getWorkplaceActionPath()+C_WP_EXPLORER_FILELIST);
                                            if((lasturl != null) && (lasturl != "")) {
                                                CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendRedirect(lasturl);
                                            }
                                            else {
                                                CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendCmsRedirect(
                                                    getConfigFile(cms).getWorkplaceActionPath() 
                                                    + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()));
                                            }
                                        } catch(Exception ex) {
                                            throw new CmsLegacyException(
                                                "Redirect fails :" + getConfigFile(cms).getWorkplaceActionPath()
                                                + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()), ex);
                                        }
                                        return null;
                                    }
                                } // else, zip was not valid, so continue ...
                                templateSelector = "step1";
                            }
                        }
                    }
                    else {
                        if("2".equals(step)) {

                            // get the selected resource and check if it is an image
                            int type = OpenCms.getResourceManager().getResourceType(newtype).getTypeId(); 
                            if(newtype.equals(CmsResourceTypeImage.getStaticTypeName())) {

                                // the file type is an image
                                templateSelector = "image";
                                xmlTemplateDocument.setData("MIME", filename);
                                xmlTemplateDocument.setData("SIZE", "Not yet available");
                                xmlTemplateDocument.setData("FILESIZE", new Integer(filecontent.length).toString() + " Bytes");
                            }
                            else {

                                // create the new file.
                                // todo: error handling if file already exits

                                try{
                                    cms.createResource(foldername + filename, type, filecontent, Collections.EMPTY_LIST);
                                }catch(CmsException e){
                                    // remove the values form the session
                                    session.removeValue(CmsWorkplaceDefault.C_PARA_RESOURCE);
                                    session.removeValue(CmsWorkplaceDefault.C_PARA_FILECONTENT);
                                    session.removeValue(CmsWorkplaceDefault.C_PARA_NEWTYPE);
                                    xmlTemplateDocument.setData("details", CmsException.getStackTraceAsString(e));
                                    return startProcessing(cms, xmlTemplateDocument, "", parameters, "error2");

                                }
                                // remove the values form the session
                                session.removeValue(CmsWorkplaceDefault.C_PARA_RESOURCE);
                                session.removeValue(CmsWorkplaceDefault.C_PARA_FILECONTENT);
                                session.removeValue(CmsWorkplaceDefault.C_PARA_NEWTYPE);

                                // return to the filelist
                                try {

                                    //CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendCmsRedirect( getConfigFile(cms).getWorkplaceActionPath()+C_WP_EXPLORER_FILELIST);
                                    if((lasturl != null) && (lasturl != "")) {
                                        CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendRedirect(lasturl);
                                    }
                                    else {
                                        CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendCmsRedirect(getConfigFile(cms).getWorkplaceActionPath() + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()));
                                    }
                                }
                                catch(Exception ex) {
                                    throw new CmsLegacyException("Redirect fails :" + getConfigFile(cms).getWorkplaceActionPath() + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()), ex);
                                }
                                return null;
                            }
                        }
                        else {
                            if("3".equals(step)) {

                                // get the data from the special image upload dialog

                                // check if a new filename is given
                                if(newname != null) {
                                    filename = newname;
                                }

                                // create the new file.

                                // todo: error handling if file already exits
                                int type = OpenCms.getResourceManager().getResourceType(newtype).getTypeId(); 

                                List properties = null;
                                if (title != null) {
                                    properties = new ArrayList();
                                    properties.add(new org.opencms.file.CmsProperty(CmsPropertyDefinition.PROPERTY_TITLE, title, null));
                                } else {
                                    properties = Collections.EMPTY_LIST;
                                }
                                
                                cms.createResource(foldername + filename, type, filecontent, properties);

                                // remove the values form the session
                                session.removeValue(CmsWorkplaceDefault.C_PARA_RESOURCE);
                                session.removeValue(CmsWorkplaceDefault.C_PARA_FILECONTENT);
                                session.removeValue(CmsWorkplaceDefault.C_PARA_NEWTYPE);
                                session.removeValue("lasturl");

                                // return to the filelist
                                try {
                                    if((lasturl != null) && (lasturl != "")) {
                                        CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendRedirect(lasturl);
                                    }
                                    else {
                                        CmsXmlTemplateLoader.getResponse(cms.getRequestContext()).sendCmsRedirect(getConfigFile(cms).getWorkplaceActionPath() + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()));
                                    }
                                }
                                catch(Exception ex) {
                                    throw new CmsLegacyException("Redirect fails :" + getConfigFile(cms).getWorkplaceActionPath() + CmsWorkplaceAction.getExplorerFileUri(CmsXmlTemplateLoader.getRequest(cms.getRequestContext()).getOriginalRequest()), ex);
                                }
                                return null;
                            }              
                        }
                    }
                }
            }
        }
 
        xmlTemplateDocument.setData("link_value", foldername);
        xmlTemplateDocument.setData("lasturl", lasturl);
        xmlTemplateDocument.setData("galleryRootFolder", CmsWorkplaceDefault.C_VFS_GALLERY_DOWNLOAD);                
        
        if(filename != null) {
            xmlTemplateDocument.setData("FILENAME", filename);
        }

        // Finally start the processing
        return startProcessing(cms, xmlTemplateDocument, elementName, parameters, templateSelector);
    }

    /**
     * Gets the resources displayed in the Radiobutton group on the chtype dialog.
     * 
     * @param cms The CmsObject.
     * @param lang The langauge definitions.
     * @param names The names of the new rescources.
     * @param values The links that are connected with each resource.
     * @param parameters Hashtable of parameters (not used yet).
     * @param descriptions Description that will be displayed for the new resource.
     * @return The vectors names and values are filled with the information found in the workplace.ini.
     * @return the number of the preselected item, -1 if none preselected
     * @throws Throws CmsException if something goes wrong.
     */
    public int getResources(CmsObject cms, CmsXmlLanguageFile lang, Vector names, Vector values, Vector descriptions, Hashtable parameters) throws CmsException {
        I_CmsSession session = CmsXmlTemplateLoader.getSession(cms.getRequestContext(), true);
        String filename = (String)session.getValue(CmsWorkplaceDefault.C_PARA_RESOURCE);
        String suffix = filename.substring(filename.lastIndexOf('.') + 1);
        suffix = suffix.toLowerCase(); // file extension of filename

        // read the known file extensions from the database
        Map extensions = OpenCms.getResourceManager().getExtensionMapping();
        String resType = new String();
        if(extensions != null) {
            resType = (String)extensions.get(suffix);
        }
        if(resType == null) {
            resType = "";
        }
        int ret = 0;

        // Check if the list of available resources is not yet loaded from the workplace.ini
        if(m_names == null || m_values == null) {
            m_names = new Vector();
            m_values = new Vector();
            CmsXmlWpConfigFile configFile = new CmsXmlWpConfigFile(cms);
            configFile.getWorkplaceIniData(m_names, m_values, "RESOURCETYPES", "RESOURCE");
        }

        // Check if the temportary name and value vectors are not initialized, create
        // them if nescessary.
        if(names == null) {
            names = new Vector();
        }
        if(values == null) {
            values = new Vector();
        }
        if(descriptions == null) {
            descriptions = new Vector();
        }

        // OK. Now m_names and m_values contain all available
        // resource information.
        // Loop through the vectors and fill the result vectors.
        int numViews = m_names.size();
        for(int i = 0;i < numViews;i++) {
            String loopValue = (String)m_values.elementAt(i);
            String loopName = (String)m_names.elementAt(i);
            values.addElement(loopValue);
            names.addElement("file_" + loopName);
            String descr;
            if(lang != null) {
                descr = lang.getLanguageValue("fileicon." + loopName);
            }
            else {
                descr = loopName;
            }
            descriptions.addElement(descr);
            if(resType.equals(loopName)) {

                // known file extension
                ret = i;
            }
        }
        return ret;
    }   
}