UrlUtil.java

// Copyright 2012 Citrix Systems, Inc. Licensed under the
// Apache License, Version 2.0 (the "License"); you may not use this
// file except in compliance with the License.  Citrix Systems, Inc.
// reserves all rights not expressly granted by 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.
// 
// Automatically generated by addcopyright.py at 04/03/2012
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]);
        }
    }
}