Java URI Encode encode(String uri)

Description

encode

License

Open Source License

Parameter

Parameter	Description
uri	a parameter

Return

the encoded URI, as a String

Declaration

public static String encode(String uri) 

Method Source Code

//package com.java2s;
/**// w  w w . j  av a2s .  c o  m
 * Copyright (C) 2012 MediaShelf <http://www.yourmediashelf.com/>
 *
 * This file is part of uuid-datepath-idmapper.
 *
 * uuid-datepath-idmapper is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * uuid-datepath-idmapper is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with uuid-datepath-idmapper.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.UnsupportedEncodingException;

import java.net.URLEncoder;

public class Main {
    /**
     * 
     * @param uri
     * @return the encoded URI, as a String
     */
    public static String encode(String uri) {
        // encode char-by-char because we only want to borrow
        // URLEncoder.encode's behavior for some characters
        StringBuilder out = new StringBuilder();
        for (int i = 0; i < uri.length(); i++) {
            char c = uri.charAt(i);
            if (c >= 'a' && c <= 'z') {
                out.append(c);
            } else if (c >= '0' && c <= '9') {
                out.append(c);
            } else if (c >= 'A' && c <= 'Z') {
                out.append(c);
            } else if (c == '-' || c == '=' || c == '(' || c == ')' || c == '[' || c == ']' || c == ';') {
                out.append(c);
            } else if (c == ':') {
                out.append("%3A");
            } else if (c == ' ') {
                out.append("%20");
            } else if (c == '+') {
                out.append("%2B");
            } else if (c == '_') {
                out.append("%5F");
            } else if (c == '*') {
                out.append("%2A");
            } else if (c == '.') {
                if (i == uri.length() - 1) {
                    out.append("%2E");
                } else {
                    out.append(".");
                }
            } else {
                try {
                    out.append(URLEncoder.encode("" + c, "UTF-8"));
                } catch (UnsupportedEncodingException wontHappen) {
                    throw new RuntimeException(wontHappen);
                }
            }
        }
        return out.toString();
    }
}

Related

1. encode(String str, boolean fullUri)
2. encodeForURI(String uriPart)
3. encodeIfNeeded(String uri)
4. encodeUri(final String uri)
5. encodeUri(final URI uri)