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com.anysoft.util.URLocation Maven / Gradle / Ivy
package com.anysoft.util;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
/**
* URLocation
*
* @author duanyy
* @version 1.0.5 [20140326 duanyy]
* - 路径中增加对windows路径的支持(支持\)
*
* @version 1.0.15 [20140617 duanyy]
* - Path,Query,Fragment的Get函数改为unescape输出
*/
public final class URLocation {
public final int URL_SCHEME = 1;
public final int URL_USERINFO = 2;
public final int URL_SERVER = 4;
public final int URL_PORT = 8;
public final int URL_PATH = 16;
public final int URL_QUERY = 32;
public final int URL_FRAGMENT = 64;
protected int fields = 0;
protected String scheme;
protected String path;
protected String query;
protected String fragment;
protected String userInfo;
protected String server;
protected String port;
protected String encoding = "gb2312";
public String getEncoding(){return encoding;}
public void setEncoding(String _enc){encoding = _enc;}
public boolean hasScheme(){return (fields & URL_SCHEME) == URL_SCHEME;}
public boolean hasServer(){return (fields & URL_SERVER) == URL_SERVER;}
public boolean hasUserInfo(){return (fields & URL_USERINFO) == URL_USERINFO;}
public boolean hasPort(){return (fields & URL_PORT) == URL_PORT;}
public boolean hasPath(){return (fields & URL_PATH) == URL_PATH;}
public boolean hasQuery(){return (fields & URL_QUERY) == URL_QUERY;}
public boolean hasFragment(){return (fields & URL_FRAGMENT) == URL_FRAGMENT;}
public String getScheme(){return scheme;}
public String getServer(){return server;}
public String getPath(){return unescape(path,encoding);}
public String getQuery(){return unescape(query,encoding);}
public String getFragment(){return unescape(fragment,encoding);}
public String getUser(){
int pwdPos = userInfo.indexOf(':');
if (pwdPos < 0){
return userInfo;
}
return userInfo.substring(0, pwdPos);
}
public String getPassword(){
int pwdPos = userInfo.indexOf(':');
if (pwdPos < 0){
return "";
}
return userInfo.substring(pwdPos + 1);
}
public String getPort(){
String _port = port;
if (_port.length() < 0){
if (scheme.equals("http")){
_port = "80";
}else{
if (scheme.equals("ftp")){
_port = "21";
}
}
}
return _port;
}
public String buildPath()
{
StringBuffer _path = new StringBuffer(path);
if (hasQuery())
_path.append('?').append(query);
if (hasFragment())
_path.append('#').append(fragment);
return _path.toString();
}
public String buildURL(){
StringBuffer _url = new StringBuffer();
if (hasScheme()){
_url.append(scheme).append(":");
}
if (hasServer()){
_url.append("//");
if (hasUserInfo()){
_url.append(userInfo).append("@");
}
_url.append(server);
if (hasPort()){
_url.append(":").append(port);
}
}
_url.append(path);
if (hasQuery()){
_url.append("?").append(query);
}
if (hasFragment()){
_url.append("#").append(fragment);
}
return _url.toString();
}
public String buildUnescapedURL(){
StringBuffer _url = new StringBuffer();
if (hasScheme()){
_url.append(scheme).append(":");
}
if (hasServer()){
_url.append("//");
if (hasUserInfo()){
_url.append(unescape(userInfo,encoding)).append("@");
}
_url.append(unescape(server,encoding));
if (hasPort()){
_url.append(":").append(port);
}
}
_url.append(unescape(path,encoding));
if (hasQuery()){
_url.append("?").append(unescape(query,encoding));
}
if (hasFragment()){
_url.append("#").append(unescape(fragment,encoding));
}
return _url.toString();
}
public URLocation(URLocation other){
clean();
clone(other);
}
public void clone(URLocation other){
fields = other.fields;
scheme = other.scheme;
fragment = other.fragment;
path = other.path;
port = other.port;
query = other.query;
server = other.server;
userInfo = other.userInfo;
}
public URLocation(){
encoding = "gb2312";
clean();
}
public URLocation(String url,String enc){
encoding = enc;
clean();
parse(url);
}
public URLocation(String url){
this(url,"gb2312");
}
public String toString(){
return buildURL();
}
public static boolean isUnreserved(char c){
return isAlpha(c) || isDigit(c) || c == '-' || c == '.' || c == '_' || c == '~';
}
public static boolean isReserved (char c)
{
return isGenDelim(c) || isSubDelim(c);
}
public static boolean isHex(char c)
{
return isDigit(c) || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
}
public static boolean isAlpha(char ch){
return ch >= 'a' && ch <='z' || ch >= 'A' && ch <= 'Z';
}
public static boolean isDigit(char ch){
return ch >= '0' && ch <= '9';
}
public static boolean isGenDelim (char c)
{
return c == ':' || c == '/' || c == '?' || c == '#' || c == '[' || c == ']' || c == '@';
}
public static boolean isSubDelim (char c)
{
return c == '!' || c == '$' || c == '&' || c == '\'' || c == '(' || c == ')' || c == '*' || c == '+' || c == ',' || c == ';' || c == '=';
}
public static String escape (String str,String enc)
{
try {
return URLEncoder.encode(str, enc);
} catch (UnsupportedEncodingException e) {
return str;
}
}
public static String unescape (String uri,String enc)
{
try {
return URLDecoder.decode(uri, enc);
} catch (UnsupportedEncodingException e) {
return uri;
}
}
public static boolean isEscape(String uri,int offset)
{
if(get(uri,offset) == '%' && isHex(get(uri,offset+1)) && isHex(get(uri,offset + 2)))
{
return true;
}
else
return false;
}
private static char get(String str,int offset){
if (offset < 0 || offset > str.length() - 1){
return 0;
}
return (char)(str.charAt(offset));
}
public void parse(String url){
if (fields > 0){
clean();
}
parse(url,0);
}
private int parse(String url,int offset){
int next = offset;
next = parseScheme(url,next);
next = parseAuthority(url,next);
next = parsePath(url,next);
next = parseQuery(url,next);
return parseFragment(url,next);
}
private int parseFragment(String url, int _next) {
int next = _next;
char current = get(url,next);
if (current == ('#'))
{
current = get(url,++next);
while(current != 0)
{
if (isUnreserved(current) || isSubDelim(current) || isEscape(url,next) ||
current == (':') || current == ('@') || current == ('/') || current == ('?'))
fragment += current;
else
fragment += escape(String.valueOf(current),encoding);
current = get(url,++next);
}
fields |= URL_FRAGMENT;
}
return next;
}
private int parseQuery(String url, int _next) {
int next = _next;
char current = get(url,next);
if (current == ('?'))
{
current = get(url,++next);
while(current != 0 && current != ('#'))
{
if (isUnreserved(current) || isSubDelim(current) || isEscape(url,next) ||
current == (':') || current == ('@') || current == ('/') || current == ('?'))
query += current;
else
query += escape(String.valueOf(current),encoding);
current = get(url,++next);
}
fields |= URL_QUERY;
}
return next;
}
private int parsePath(String url, int _next) {
int next = _next;
char current = get(url,next);
if (current == '/'){
path += current;
current = get(url,++next);
while (current != 0 && current != '#' && current != '?'){
if (isUnreserved(current) || isSubDelim(current) || isEscape(url,next) || current == ':' || current == '@' || current == '/' || current == '\\'){
path += current;
}else{
path += escape(String.valueOf(current),encoding);
}
current = get(url,++next);
}
fields |= URL_PATH;
}else{
if (current != 0){
current = get(url,++next);
while (current != 0 && current != '#' && current != '?'){
if (isUnreserved(current) || isSubDelim(current) || isEscape(url,next) || current == ':' || current == '@' || current == '/' || current == '\\'){
path += current;
}else{
path += escape(String.valueOf(current),encoding);
}
current = get(url,++next);
}
fields |= URL_PATH;
}
}
if (path.length() <= 0){
path = "/";
}
return next;
}
private int parseAuthority(String url, int _next) {
int next = _next;
if (get(url,next) == '/' && get(url,next+1) == '/')
{
next += 2;
next = parseUserInfo(url,next);
next = parseServer(url,next);
next = parsePort(url,next);
}
return next;
}
private int parsePort(String url,int _next) {
int next = _next;
char current = get(url,next);
if(current == ':')
{
next ++;
current = get(url,next);
while(isDigit(current))
{
port += current;
next ++;
current = get(url,next);
}
fields |= URL_PORT;
}
return next;
}
private int parseServer(String url,int _next) {
int next = _next;
char current = get(url, next);
while (current != 0 && current != '/' && current != ':'
&& current != '#' && current != '?') {
if (isUnreserved(current) || isEscape(url, current)
|| isSubDelim(current)) {
server += current;
} else {
server += escape(String.valueOf(current),encoding);
}
current = get(url, ++next);
}
fields |= URL_SERVER;
return next;
}
private int parseUserInfo(String url,int _next) {
int next = _next;
char current = get(url,next);
while (current != 0 && current != '@' && current != '/' && current != '#' && current != '?'){
if (isUnreserved(current) || isEscape(url,current) || isSubDelim(current) || current == ':'){
userInfo += current;
}else{
userInfo += escape(String.valueOf(current),encoding);
}
current = get(url,++next);
}
current = get(url,next);
if (current == '@'){
fields |= URL_USERINFO;
next ++;
}else{
userInfo = "";
next = _next;
}
return next;
}
private int parseScheme(String url, int _next) {
int next = _next;
char current = get(url,next);
if (isAlpha(current)){
//绗竴涓槸瀛楁瘝
scheme += current;
current = get(url,++next);
while (current != 0 && (isAlpha(current) || isDigit(current) || current == '+' || current == '-' || current == '.')){
scheme += current;
current = get(url,++next);
}
current = get(url,next);
if (current == ':'){
fields = URL_SCHEME;
next ++;
}else{
scheme = "";
next = _next;
}
}
return next;
}
public void clean(){
fields = 0;
fragment = "";
path = "";
port = "";
query = "";
scheme = "";
server = "";
userInfo = "";
}
public URL makeURL() throws MalformedURLException{
return new URL(buildURL());
}
public static void main(String [] args){
URLocation parser = new URLocation("http://ucs91.stct.gtm.ucweb.com:9080/*");
System.out.println(parser.getScheme());
System.out.println(parser.getServer());
System.out.println(parser.getPath());
}
}
