# Templating - `Jinja2Templates`

You can use the `Jinja2Templates` class to render Jinja templates.

Read more about it in the [FastAPI docs for Templates](https://fastapi.tiangolo.com/advanced/templates/).

You can import it directly from `fastapi.templating`:

```python
from fastapi.templating import Jinja2Templates
```

/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

             OutputStreamWriter outputStream = new OutputStreamWriter(new FileOutputStream(destination), outputEncoding)) {
            String html = renderer.render(parser.parseReader(inputStream));
            outputStream.write(html);
        } catch (IOException e) {
            throw UncheckedException.throwAsUncheckedException(e);
        }
    }

     *
     * @param text text
     * @return this
     * @since 2.2
     */
    public Ansi render(final String text) {
        a(new org.jline.jansi.Ansi().render(text).toString());
        return this;
    }

    /**
     * String formats and renders the supplied arguments.  Uses the {@link org.jline.jansi.AnsiRenderer}
     * to generate the ANSI escape sequences.
     *

        verifyToken(this::asUploadHtml);
        CommonPoolUtil.execute(() -> {
            try (Reader reader = new BufferedReader(new InputStreamReader(form.elevateWordFile.getInputStream(), getCsvEncoding()))) {
                elevateWordService.importCsv(reader);
                suggestHelper.deleteAllElevateWord(false);
                suggestHelper.storeAllElevateWords(false);

    @Override
    void render(File htmlReportFile, RichReportData data) {
        super.render(htmlReportFile, enrichReport(data))
    }

    /**
     * This is super-hacky: this report is instantiated via {@code newInstance()}, within a different
     * classloader by {@link JApiCmpWorkerAction}, so there is no way to use a
     * normal property on the renderer instance and just set the location of the API file in it.

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

import org.lastaflute.web.Execute;
import org.lastaflute.web.response.HtmlResponse;
import org.lastaflute.web.response.render.RenderData;
import org.lastaflute.web.ruts.process.ActionRuntime;

import jakarta.annotation.Resource;

/**
 * Admin action for Request Header management.
 *
 */
public class AdminReqheaderAction extends FessAdminAction {

    /**
     * Default constructor.
     */