// Licensed to the Apache Software Foundation (ASF) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The ASF licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// 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.

package com.cloud.utils.net;

import java.net.URI;

import java.net.URL;

import java.util.HashMap;

import java.util.Map;

public class UrlUtil {

public final static Map<String, String> parseQueryParameters(String query) {

HashMap<String, String> values = new HashMap<String, String>();

parseQueryParameters(query, false, values);

return values;

}

public final static Map<String, String> parseQueryParameters(URL url) {

return parseQueryParameters(url.getQuery());

}

public final static Map<String, String> parseQueryParameters(URI url) {

return parseQueryParameters(url.getQuery());

}

public final static void parseQueryParameters(String query, boolean lowercaseKeys, Map<String, String> params) {

if (query == null) {

return;

}

if (query.startsWith("?")) {

query = query.substring(1);

}

String[] parts = query.split("&");

for (String part : parts) {

String[] tokens = part.split("=");

if (lowercaseKeys) {

tokens[0] = tokens[0].toLowerCase();

}

params.put(tokens[0], tokens[1]);

}

}

}