Example usage for com.liferay.portal.kernel.util StringPool EMPTY_ARRAY

Introduction

In this page you can find the example usage for com.liferay.portal.kernel.util StringPool EMPTY_ARRAY.

Prototype

String[] EMPTY_ARRAY

To view the source code for com.liferay.portal.kernel.util StringPool EMPTY_ARRAY.

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Usage

From source file:com.liferay.journal.internal.upgrade.v0_0_5.UpgradeJournalDisplayPreferences.java

License:Open Source License

@Override
protected String upgradePreferences(long companyId, long ownerId, int ownerType, long plid, String portletId,
        String xml) throws Exception {

    PortletPreferences portletPreferences = PortletPreferencesFactoryUtil.fromXML(companyId, ownerId, ownerType,
            plid, portletId, xml);/*from w w w . j a v a 2 s . c  om*/

    String[] extensions = portletPreferences.getValues("extensions", StringPool.EMPTY_ARRAY);

    if (ArrayUtil.isNotEmpty(extensions)) {
        portletPreferences.setValue("extensions", StringUtil.merge(extensions));
    }

    return PortletPreferencesFactoryUtil.toXML(portletPreferences);
}

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From source file:com.permeance.utility.scriptinghelper.portlets.ScriptingHelperPortlet.java

License:Open Source License

public void execute(ActionRequest actionRequest, ActionResponse actionResponse) {
    try {//from  www. j a  v a2s. c o m
        sCheckPermissions(actionRequest);

        String portletId = "_" + PortalUtil.getPortletId(actionRequest) + "_";

        DiskFileItemFactory factory = new DiskFileItemFactory();
        factory.setSizeThreshold(100 * 1024 * 1024);
        PortletFileUpload upload = new PortletFileUpload(factory);

        FileItem fileUploaded = null;
        List<FileItem> items = upload.parseRequest(actionRequest);
        for (FileItem fi : items) {
            if (fi.isFormField()) {
                actionRequest.setAttribute(fi.getFieldName(), fi.getString());
                if (fi.getFieldName().startsWith(portletId)) {
                    actionRequest.setAttribute(fi.getFieldName().substring(portletId.length()), fi.getString());
                }
            } else {
                fileUploaded = fi;
            }
        }

        String cmd = (String) actionRequest.getAttribute("cmd");
        String language = (String) actionRequest.getAttribute("language");
        String script = (String) actionRequest.getAttribute("script");
        String editorheight = (String) actionRequest.getAttribute("editorheight");
        String themesel = (String) actionRequest.getAttribute("themesel");
        if (language == null) {
            language = getDefaultLanguage();
        }
        if (script == null) {
            script = StringPool.BLANK;
        }
        actionResponse.setRenderParameter("language", language);
        actionResponse.setRenderParameter("script", script);
        actionResponse.setRenderParameter("editorheight", editorheight);
        actionResponse.setRenderParameter("themesel", themesel);

        if ("execute".equals(cmd)) {

            Map<String, Object> portletObjects = ScriptingHelperUtil.getPortletObjects(getPortletConfig(),
                    getPortletContext(), actionRequest, actionResponse);

            UnsyncByteArrayOutputStream unsyncByteArrayOutputStream = new UnsyncByteArrayOutputStream();

            UnsyncPrintWriter unsyncPrintWriter = UnsyncPrintWriterPool.borrow(unsyncByteArrayOutputStream);

            portletObjects.put("out", unsyncPrintWriter);

            _log.info("Executing script");
            ScriptingUtil.exec(null, portletObjects, language, script, StringPool.EMPTY_ARRAY);
            unsyncPrintWriter.flush();
            actionResponse.setRenderParameter("script_output", unsyncByteArrayOutputStream.toString());
        } else if ("save".equals(cmd)) {
            String newscriptname = (String) actionRequest.getAttribute("newscriptname");
            if (newscriptname == null || newscriptname.trim().length() == 0) {
                actionResponse.setRenderParameter("script_trace", "No script name specified to save into!");
                SessionErrors.add(actionRequest, "error");
                return;
            }

            _log.info("Saving new script: " + newscriptname.trim());
            PortletPreferences prefs = actionRequest.getPreferences();
            prefs.setValue("savedscript." + newscriptname.trim(), script);
            prefs.setValue("lang." + newscriptname.trim(), language);
            prefs.store();
        } else if ("saveinto".equals(cmd)) {
            String scriptname = (String) actionRequest.getAttribute("savedscript");
            if (scriptname == null) {
                actionResponse.setRenderParameter("script_trace", "No script specified to save into!");
                SessionErrors.add(actionRequest, "error");
                return;
            }

            _log.info("Saving saved script: " + scriptname);
            PortletPreferences prefs = actionRequest.getPreferences();
            prefs.setValue("savedscript." + scriptname, script);
            prefs.setValue("lang." + scriptname, language);
            prefs.store();
        } else if ("loadfrom".equals(cmd)) {
            String scriptname = (String) actionRequest.getAttribute("savedscript");
            if (scriptname == null) {
                actionResponse.setRenderParameter("script_trace", "No script specified to load from!");
                SessionErrors.add(actionRequest, "error");
                return;
            }
            _log.info("Loading saved script: " + scriptname);
            PortletPreferences prefs = actionRequest.getPreferences();
            language = prefs.getValue("lang." + scriptname, getDefaultLanguage());
            script = prefs.getValue("savedscript." + scriptname, StringPool.BLANK);
            actionResponse.setRenderParameter("language", language);
            actionResponse.setRenderParameter("script", script);
        } else if ("delete".equals(cmd)) {
            String scriptname = (String) actionRequest.getAttribute("savedscript");
            if (scriptname == null) {
                actionResponse.setRenderParameter("script_trace", "No script specified to delete!");
                SessionErrors.add(actionRequest, "error");
                return;
            }
            _log.info("Deleting saved script: " + scriptname);
            PortletPreferences prefs = actionRequest.getPreferences();
            prefs.reset("savedscript." + scriptname);
            prefs.reset("lang." + scriptname);
            prefs.store();
        } else if ("import".equals(cmd)) {
            if (fileUploaded == null) {
                actionResponse.setRenderParameter("script_trace", "No file was uploaded for import!");
                SessionErrors.add(actionRequest, "error");
                return;
            }

            StringBuilder output = new StringBuilder();

            InputStream instream = fileUploaded.getInputStream();
            ZipInputStream zipstream = null;
            try {
                zipstream = new ZipInputStream(instream);
                ZipEntry entry = zipstream.getNextEntry();
                while (entry != null) {
                    String filename = entry.getName();
                    if (filename.contains("/")) {
                        int qs = filename.lastIndexOf("/");
                        if (qs != -1) {
                            filename = filename.substring(qs + 1);
                        }
                    }
                    if (filename.contains("\\")) {
                        int qs = filename.lastIndexOf("\\");
                        if (qs != -1) {
                            filename = filename.substring(qs + 1);
                        }
                    }

                    String ext = StringPool.BLANK;
                    if (filename.length() > 0) {
                        int qs = filename.lastIndexOf(".");
                        if (qs > 0) {
                            ext = filename.substring(qs + 1);
                            filename = filename.substring(0, qs);
                        }
                    }

                    String lang = resolveLanguage(ext);
                    String imscript = getStreamAsString(zipstream, "utf-8", false);

                    if (imscript != null && imscript.length() > 0) {
                        _log.info("Importing script \"" + filename + "\" of type " + lang);
                        output.append("Importing script \"" + filename + "\" of type " + lang + "\n");

                        PortletPreferences prefs = actionRequest.getPreferences();
                        prefs.setValue("savedscript." + filename, imscript);
                        prefs.setValue("lang." + filename, lang);
                        prefs.store();
                    }

                    entry = zipstream.getNextEntry();
                }

                actionResponse.setRenderParameter("script_output", output.toString());
            } finally {
                try {
                    if (zipstream != null) {
                        zipstream.close();
                    }
                } catch (Exception e) {
                }
                try {
                    if (instream != null) {
                        instream.close();
                    }
                } catch (Exception e) {
                }
            }

            _log.info(fileUploaded.getName());
        }
        SessionMessages.add(actionRequest, "success");
    } catch (Exception e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        pw.close();
        actionResponse.setRenderParameter("script_trace", sw.toString());
        _log.error(e);
        SessionErrors.add(actionRequest, e.toString());
    }
}

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