Java URI Create addQueryParamsToUri(String uri, Map queryParams)

Description

add Query Params To Uri

License

Apache License

Declaration

public static String addQueryParamsToUri(String uri, Map<String, String> queryParams) 

Method Source Code

//package com.java2s;
/*//  w ww.j a  va  2 s. co  m
 * Copyright 2016 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * 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.net.URLEncoder;

import java.util.LinkedHashMap;

import java.util.Map;

public class Main {
    public static String addQueryParamsToUri(String uri, String... queryParams) {
        if (queryParams == null) {
            return uri;
        }

        if (queryParams.length % 2 != 0) {
            throw new RuntimeException("Value missing for query parameter: " + queryParams[queryParams.length - 1]);
        }

        Map<String, String> params = new LinkedHashMap<>();
        for (int i = 0; i < queryParams.length; i += 2) {
            params.put(queryParams[i], queryParams[i + 1]);
        }
        return addQueryParamsToUri(uri, params);
    }

    public static String addQueryParamsToUri(String uri, Map<String, String> queryParams) {

        if (queryParams.size() == 0) {
            return uri;
        }

        StringBuilder query = new StringBuilder();
        for (Map.Entry<String, String> params : queryParams.entrySet()) {
            try {
                if (query.length() > 0) {
                    query.append("&");
                }
                query.append(params.getKey()).append("=").append(URLEncoder.encode(params.getValue(), "utf-8"));
            } catch (Exception e) {
                throw new RuntimeException(
                        "Failed to encode query params: " + params.getKey() + "=" + params.getValue());
            }
        }

        return uri + (uri.indexOf("?") == -1 ? "?" : "&") + query;
    }
}

Related

1. addParameter(String name, String value, StringBuilder uri)
2. addParameters(Map parameters, StringBuilder uri)
3. addParams(final Map params, final StringBuilder uri)
4. addParams(URI uri, Map> params, Set overridenParams)
5. addQueryParametersToUri(URI uri, Map parameters)
6. addQueryString(final URI uri, final String queryString)
7. convertToURI(String uriOrPath)
8. convertToURI(String uriString, Map aliasMap)
9. convertToURI(String value)