Java URL Encode encode(String source)

Description

encode

License

Open Source License

Declaration

public static String encode(String source) 

Method Source Code

//package com.java2s;
/*//  w  ww. ja  v a 2 s .co m
 * ====================================================================
 * Copyright (c) 2004 TMate Software Ltd.  All rights reserved.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution.  The terms
 * are also available at http://tmate.org/svn/license.html.
 * If newer versions of this license are posted there, you may use a
 * newer version instead, at your option.
 * ====================================================================
 */

import java.io.IOException;

import java.net.URLEncoder;
import java.util.StringTokenizer;

public class Main {
    private static void encode(String urlPart, StringBuffer dst) {
        for (StringTokenizer tokens = new StringTokenizer(urlPart, " /+()", true); tokens.hasMoreTokens();) {
            String token = tokens.nextToken();
            if (" ".equals(token)) {
                dst.append("%20");
            } else if ("+".equals(token) || "/".equals(token) || "(".equals(token) || ")".equals(token)) {
                dst.append(token);
            } else {
                try {
                    dst.append(URLEncoder.encode(token, "UTF-8"));
                } catch (IOException e) {
                    dst.append(token);
                }
            }
        }
    }

    public static String encode(String source) {
        StringBuffer sb = new StringBuffer();
        encode(source, sb);
        return sb.toString();
    }

    public static final String append(String path, String segment) {
        path = isEmpty(path) ? "" : removeTrailingSlash(path);
        segment = isEmpty(segment) ? "" : removeLeadingSlash(segment);
        if (path.endsWith("/")) {
            path = path.substring(0, path.length() - "/".length());
        }
        if (segment.startsWith("/")) {
            segment = segment.substring("/".length());
        }
        return path + '/' + segment;
    }

    public static final boolean isEmpty(String path) {
        return path == null || "".equals(path.trim()) || "/".equals(path.trim());
    }

    public static final String removeTrailingSlash(String path) {
        if (isEmpty(path)) {
            return path;
        }
        if (path.charAt(path.length() - 1) == '/') {
            path = path.substring(0, path.length() - 1);
        }
        return path;
    }

    public static String removeLeadingSlash(String path) {
        if (path == null || path.length() == 0) {
            return "";
        }
        if (path.charAt(0) == '/') {
            path = path.substring(1);
        }
        return path;
    }
}

Related

1. encode(String s)
2. encode(String s)
3. encode(String s)
4. encode(String s, String enc)
5. encode(String s, String encoding)
6. encode(String src, String srcCode, String destCode)
7. encode(String str)
8. encode(String str)
9. encode(String string)