Java URI Parse parseQuery(URI uri)

Description

parse Query

License

Apache License

Declaration

public static Map<String, String> parseQuery(URI uri) 

Method Source Code

//package com.java2s;
/*/*from w w  w  .  j  av  a  2 s  .  c om*/
 * Copyright 2013 Charles University in Prague
 * Copyright 2013 Vojtech Horky
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.UnsupportedEncodingException;
import java.net.URI;
import java.net.URLDecoder;
import java.util.HashMap;
import java.util.Map;

public class Main {
    public static Map<String, String> parseQuery(URI uri) {
        Map<String, String> result = new HashMap<>();
        String raw = uri.getRawQuery();
        if (raw == null) {
            return result;
        }

        String pairs[] = raw.split("[&]");

        for (String keyval : pairs) {
            String tmp[] = keyval.split("[=]", 2);

            String key = decodeUtf8(tmp[0]);
            String value = null;

            if (tmp.length > 1) {
                value = decodeUtf8(tmp[1]);
            }

            result.put(key, value);
        }

        return result;
    }

    protected static String decodeUtf8(String value) {
        try {
            return URLDecoder.decode(value, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            /* This really shall not happen. */
            e.printStackTrace();
            return null;
        }
    }
}

Related

1. parseParentURI(final URI uri)
2. parsePathElements(URI uri)
3. parsePorts(URI connectionURI)
4. parseQuery(String uri)
5. parseQuery(URI aURI, boolean shouldDecode)
6. parseQuery(URI uri)
7. parseQueryString(final URI uri, final M queryParams)
8. parseQueryString(URI uri)
9. parseQueryString(URI uri, M queryParams)