[Java]web.xmlのパラメータ設定値を読み込むサンプル

2021年7月7日

1.web.xml

<init-param>
    <param-name>namePath</param-name>
    <param-value>/WEB-INF/sample.xml</param-value>
</init-param>

2.Javaコード

String fullpath = request.getServletContext().getRealPath(getServlet().getInitParameter("namePath");
DocumentBuilderFactory fat = DocumentBuilderFactory.newInstance();
DocumentBuilder builder = fat.newDocumentBuilder();
Document doc = builder.parse(new File(fullpath));