/**
* Project: dubbo.registry.server-1.1.0-SNAPSHOT
*
* File Created at 2010-7-27
*
* Copyright 1999-2010 Alibaba.com Croporation Limited.
* All rights reserved.
*
* This software is the confidential and proprietary information of
* Alibaba Company. ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Alibaba.com.
*/
package com.alibaba.dubbo.registry.common.util;
import java.lang.reflect.Array;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
import com.alibaba.dubbo.common.URL;
import com.alibaba.dubbo.common.utils.NetUtils;
import com.alibaba.dubbo.common.utils.StringUtils;
/**
* Tool
*
* @author william.liangf
*/
public class Tool {
private static final Pattern IP_PATTERN = Pattern.compile("\\d{1,3}(\\.\\d{1,3}){3,5}$");
public static boolean startWith(String value, String prefix) {
return value.startsWith(prefix);
}
public static boolean isContains(String[] values, String value) {
return StringUtils.isContains(values, value);
}
public static boolean isValidAddress(String address){
return IP_PATTERN.matcher(address).matches();
}
public static String getHostName(String address) {
if (address != null && address.length() > 0) {
String hostname = NetUtils.getHostName(address);
if (! address.equals(hostname)) {
return hostname + "/";
}
}
return "";
}
public static String getIP(String address) {
if (address != null && address.length() > 0) {
int i = address.indexOf("://");
if (i >= 0) {
address = address.substring(i + 3);
}
i = address.indexOf('/');
if (i >= 0) {
address = address.substring(0, i);
}
i = address.indexOf('@');
if (i >= 0) {
address = address.substring(i + 1);
}
i = address.indexOf(':');
if (i >= 0) {
address = address.substring(0, i);
}
if (address.matches("[a-zA-Z]+")) {
try {
address = InetAddress.getByName(address).getHostAddress();
} catch (UnknownHostException e) {
}
}
}
return address;
}
public static String encodeUrl(String url) {
return URL.encode(url);
}
public static String decodeUrl(String url) {
return URL.decode(url);
}
public static String encodeHtml(String html) {
return StringEscapeUtils.escapeHtml(html);
}
public static String decodeHtml(String html) {
return StringEscapeUtils.unescapeHtml(html);
}
public static int countMapValues(Map<?, ?> map) {
int total = 0;
if (map != null && map.size() > 0) {
for (Object value : map.values()) {
if (value != null) {
if (value instanceof Number) {
total += ((Number)value).intValue();
} else if (value.getClass().isArray()) {
total += Array.getLength(value);
} else if (value instanceof Collection) {
total += ((Collection<?>)value).size();
} else if (value instanceof Map) {
total += ((Map<?, ?>)value).size();
} else {
total += 1;
}
}
}
}
return total;
}
private static final Comparator<String> SIMPLE_NAME_COMPARATOR = new Comparator<String>() {
public int compare(String s1, String s2) {
if (s1 == null && s2 == null) {
return 0;
}
if (s1 == null) {
return -1;
}
if (s2 == null) {
return 1;
}
s1 = getSimpleName(s1);
s2 = getSimpleName(s2);
return s1.compareToIgnoreCase(s2);
}
};
public static List<String> sortSimpleName(List<String> list) {
if (list != null && list.size() > 0) {
Collections.sort(list, SIMPLE_NAME_COMPARATOR);
}
return list;
}
public static String getSimpleName(String name) {
if (name != null && name.length() > 0) {
final int ip = name.indexOf('/');
String v = ip != -1 ? name.substring(0, ip + 1) : "";
int i = name.lastIndexOf(':');
int j = (i >= 0 ? name.lastIndexOf('.', i) : name.lastIndexOf('.'));
if (j >= 0) {
name = name.substring(j + 1);
}
name = v + name;
}
return name;
}
}