<h:inputFile id="inputFile"
             label="file1"
             value="#{controller.part}"
             required="true"
             requiredMessage="File not selected !!">
</h:inputFile>

String header = part.getHeader("content-disposition");
String[] headerArray = header.split(";");

for (String str : headerArray) {
    if (str.trim().startsWith("filename")) {
        path = str.substring(str.indexOf('=') + 1).trim().replace(""", "").trim();
    }
}