mobi.cangol.mobile.utils.UrlUtils Maven / Gradle / Ivy
/**
* Copyright (c) 2013 Cangol
*
* 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.
*/
package mobi.cangol.mobile.utils;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.HashMap;
import java.util.Map;
/**
* @author Cangol
*/
public class UrlUtils {
private UrlUtils() {
}
/**
* 判断是否是url
*
* @param value
* @return
*/
public static boolean isUrl(String value) {
if (value != null && !"".equals(value)) {
return value
.matches("(((http|ftp|https|file)://)?([\\w\\-]+\\.)+[\\w\\-]+(/[\\w\\u4e00-\\u9fa5\\-\\./?\\@\\%\\!\\&=\\+\\~\\:\\#\\;\\,]*)?)");
} else {
return false;
}
}
/**
* 从url获取主机
*
* @param url
* @return
*/
public static String getHost(String url) {
try {
return new URL(url).getHost();
} catch (MalformedURLException e) {
return "";
} catch (Exception e) {
return "";
}
}
/**
* 从url获取参数map
*
* @param url
* @return Map
*/
public static Map getParams(String url) {
String query = "";
try {
query = new URL(url).getQuery();
} catch (MalformedURLException e) {
query = "";
}
Map queries = new HashMap();
if (query == null) {
return queries;
}
for (String entry : query.split("&")) {
String[] keyvalue = entry.split("=");
if (keyvalue.length != 2) {
continue;
}
queries.put(keyvalue[0], keyvalue[1]);
}
return queries;
}
}