Java URL to File Name getFileNameFromContentDisposition(URLConnection connection)

Description

get File Name From Content Disposition

License

Open Source License

Declaration

private static String getFileNameFromContentDisposition(URLConnection connection) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.net.URLConnection;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    private static final String CONTENT_DISPOSITION_HEADER = "Content-Disposition";
    private static final Pattern CONTENT_DISPOSITION_FILE_NAME_PATTERN = Pattern
            .compile(".*filename=\"([^\\s;]*)\".*");
    private static final int CONTENT_DISPOSITION_FILE_NAME_PATTERN_GROUP = 1;

    private static String getFileNameFromContentDisposition(URLConnection connection) {
        String contentDispositionHeaderValue = connection.getHeaderField(CONTENT_DISPOSITION_HEADER);
        if (contentDispositionHeaderValue != null) {
            Matcher matcher = CONTENT_DISPOSITION_FILE_NAME_PATTERN.matcher(contentDispositionHeaderValue);
            if (matcher.matches()) {
                return matcher.group(CONTENT_DISPOSITION_FILE_NAME_PATTERN_GROUP);
            }/*from w ww .j  a  va2  s. c  o m*/
        }
        return null;
    }
}

Related

1. getFileName(URL url)
2. getFileName(URL url)
3. getFileName(URLConnection urlC)
4. getFileName2(String url)
5. getFileNameArray(String url)
6. getFileNameFromUrl(URL inputUrl)
7. getFileNameFromUrl(URL inputUrl)
8. URIToFilename(String str)