/*
* $Header: /home/jerenkrantz/tmp/commons/commons-convert/cvs/home/cvs/jakarta-commons//httpclient/src/java/org/apache/commons/httpclient/HttpURL.java,v 1.18 2004/09/30 17:26:41 oglueck Exp $
* $Revision: 507324 $
* $Date: 2007-02-14 01:12:11 +0100 (Wed, 14 Feb 2007) $
*
* ====================================================================
*
* 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 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
*/
package org.apache.commons.httpclient;
import org.apache.commons.httpclient.util.URIUtil;
/**
* The HTTP URL.
*
* @author <a href="mailto:jericho at apache.org">Sung-Gu</a>
* @author <a href="mailto:[email protected]">Mike Bowler</a>
*/
public class HttpURL extends URI {
// ----------------------------------------------------------- Constructors
/** Create an instance as an internal use. */
protected HttpURL() {
}
/**
* Construct a HTTP URL as an escaped form of a character array with the
* given charset to do escape encoding.
*
* @param escaped the HTTP URL character sequence
* @param charset the charset string to do escape encoding
* @throws URIException If {@link #checkValid()} fails
* @throws NullPointerException if <code>escaped</code> is <code>null</code>
* @see #getProtocolCharset
*/
public HttpURL(char[] escaped, String charset)
throws URIException, NullPointerException {
protocolCharset = charset;
parseUriReference(new String(escaped), true);
checkValid();
}
/**
* Construct a HTTP URL as an escaped form of a character array.
*
* @param escaped the HTTP URL character sequence
* @throws URIException If {@link #checkValid()} fails
* @throws NullPointerException if <code>escaped</code> is <code>null</code>
* @see #getDefaultProtocolCharset
*/
public HttpURL(char[] escaped) throws URIException, NullPointerException {
parseUriReference(new String(escaped), true);
checkValid();
}
/**
* Construct a HTTP URL from a given string with the given charset to do
* escape encoding.
*
* @param original the HTTP URL string
* @param charset the charset string to do escape encoding
* @throws URIException If {@link #checkValid()} fails
* @see #getProtocolCharset
*/
public HttpURL(String original, String charset) throws URIException {
protocolCharset = charset;
parseUriReference(original, false);
checkValid();
}
/**
* Construct a HTTP URL from a given string.
*
* @param original the HTTP URL string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String original) throws URIException {
parseUriReference(original, false);
checkValid();
}
/**
* Construct a HTTP URL from given components.
*
* @param host the host string
* @param port the port number
* @param path the path string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String host, int port, String path) throws URIException {
this(null, null, host, port, path, null, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param host the host string
* @param port the port number
* @param path the path string
* @param query the query string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String host, int port, String path, String query)
throws URIException {
this(null, null, host, port, path, query, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param user the user name
* @param password his or her password
* @param host the host string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String user, String password, String host)
throws URIException {
this(user, password, host, -1, null, null, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param user the user name
* @param password his or her password
* @param host the host string
* @param port the port number
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String user, String password, String host, int port)
throws URIException {
this(user, password, host, port, null, null, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param user the user name
* @param password his or her password
* @param host the host string
* @param port the port number
* @param path the path string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String user, String password, String host, int port,
String path) throws URIException {
this(user, password, host, port, path, null, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param user the user name
* @param password his or her password
* @param host the host string
* @param port the port number
* @param path the path string
* @param query The query string.
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String user, String password, String host, int port,
String path, String query) throws URIException {
this(user, password, host, port, path, query, null);
}
/**
* Construct a HTTP URL from given components.
*
* @param host the host string
* @param path the path string
* @param query the query string
* @param fragment the fragment string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String host, String path, String query, String fragment)
throws URIException {
this(null, null, host, -1, path, query, fragment);
}
/**
* Construct a HTTP URL from given components.
*
* Note: The <code>userinfo</code> format is normally
* <code><username>:<password></code> where
* username and password must both be URL escaped.
*
* @param userinfo the userinfo string whose parts are URL escaped
* @param host the host string
* @param path the path string
* @param query the query string
* @param fragment the fragment string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String userinfo, String host, String path, String query,
String fragment) throws URIException {
this(userinfo, host, -1, path, query, fragment);
}
/**
* Construct a HTTP URL from given components.
*
* Note: The <code>userinfo</code> format is normally
* <code><username>:<password></code> where
* username and password must both be URL escaped.
*
* @param userinfo the userinfo string whose parts are URL escaped
* @param host the host string
* @param port the port number
* @param path the path string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String userinfo, String host, int port, String path)
throws URIException {
this(userinfo, host, port, path, null, null);
}
/**
* Construct a HTTP URL from given components.
*
* Note: The <code>userinfo</code> format is normally
* <code><username>:<password></code> where
* username and password must both be URL escaped.
*
* @param userinfo the userinfo string whose parts are URL escaped
* @param host the host string
* @param port the port number
* @param path the path string
* @param query the query string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String userinfo, String host, int port, String path,
String query) throws URIException {
this(userinfo, host, port, path, query, null);
}
/**
* Construct a HTTP URL from given components.
*
* Note: The <code>userinfo</code> format is normally
* <code><username>:<password></code> where
* username and password must both be URL escaped.
*
* @param userinfo the userinfo string whose parts are URL escaped
* @param host the host string
* @param port the port number
* @param path the path string
* @param query the query string
* @param fragment the fragment string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String userinfo, String host, int port, String path,
String query, String fragment) throws URIException {
// validate and contruct the URI character sequence
StringBuffer buff = new StringBuffer();
if (userinfo != null || host != null || port != -1) {
_scheme = DEFAULT_SCHEME; // in order to verify the own protocol
buff.append(_default_scheme);
buff.append("://");
if (userinfo != null) {
buff.append(userinfo);
buff.append('@');
}
if (host != null) {
buff.append(URIUtil.encode(host, URI.allowed_host));
if (port != -1 || port != DEFAULT_PORT) {
buff.append(':');
buff.append(port);
}
}
}
if (path != null) { // accept empty path
if (scheme != null && !path.startsWith("/")) {
throw new URIException(URIException.PARSING,
"abs_path requested");
}
buff.append(URIUtil.encode(path, URI.allowed_abs_path));
}
if (query != null) {
buff.append('?');
buff.append(URIUtil.encode(query, URI.allowed_query));
}
if (fragment != null) {
buff.append('#');
buff.append(URIUtil.encode(fragment, URI.allowed_fragment));
}
parseUriReference(buff.toString(), true);
checkValid();
}
/**
* Construct a HTTP URL from given components.
*
* @param user the user name
* @param password his or her password
* @param host the host string
* @param port the port number
* @param path the path string
* @param query the query string
* @param fragment the fragment string
* @throws URIException If {@link #checkValid()} fails
* @see #getDefaultProtocolCharset
*/
public HttpURL(String user, String password, String host, int port,
String path, String query, String fragment) throws URIException {
this(toUserinfo(user, password), host, port, path, query, fragment);
}
protected static String toUserinfo(String user, String password) throws URIException {
if (user == null) return null;
StringBuffer usrinfo = new StringBuffer(20); //sufficient for real world
usrinfo.append(URIUtil.encode(user, URI.allowed_within_userinfo));
if (password == null) return usrinfo.toString();
usrinfo.append(':');
usrinfo.append(URIUtil.encode(password, URI.allowed_within_userinfo));
return usrinfo.toString();
}
/**
* Construct a HTTP URL with a given relative URL string.
*
* @param base the base HttpURL
* @param relative the relative HTTP URL string
* @throws URIException If {@link #checkValid()} fails
*/
public HttpURL(HttpURL base, String relative) throws URIException {
this(base, new HttpURL(relative));
}
/**
* Construct a HTTP URL with a given relative URL.
*
* @param base the base HttpURL
* @param relative the relative HttpURL
* @throws URIException If {@link #checkValid()} fails
*/
public HttpURL(HttpURL base, HttpURL relative) throws URIException {
super(base, relative);
checkValid();
}
// -------------------------------------------------------------- Constants
/**
* Default scheme for HTTP URL.
*/
public static final char[] DEFAULT_SCHEME = { 'h', 't', 't', 'p' };
/**
* Default scheme for HTTP URL.
* @deprecated Use {@link #DEFAULT_SCHEME} instead. This one doesn't
* conform to the project naming conventions.
*/
public static final char[] _default_scheme = DEFAULT_SCHEME;
/**
* Default port for HTTP URL.
*/
public static final int DEFAULT_PORT = 80;
/**
* Default port for HTTP URL.
* @deprecated Use {@link #DEFAULT_PORT} instead. This one doesn't conform
* to the project naming conventions.
*/
public static final int _default_port = DEFAULT_PORT;
/**
* The serialVersionUID.
*/
static final long serialVersionUID = -7158031098595039459L;
// ------------------------------------------------------------- The scheme
/**
* Get the scheme. You can get the scheme explicitly.
*
* @return the scheme
*/
public char[] getRawScheme() {
return (_scheme == null) ? null : HttpURL.DEFAULT_SCHEME;
}
/**
* Get the scheme. You can get the scheme explicitly.
*
* @return the scheme null if empty or undefined
*/
public String getScheme() {
return (_scheme == null) ? null : new String(HttpURL.DEFAULT_SCHEME);
}
// --------------------------------------------------------------- The port
/**
* Get the port number.
* @return the port number
*/
public int getPort() {
return (_port == -1) ? HttpURL.DEFAULT_PORT : _port;
}
// ----------------------------------------------------------- The userinfo
/**
* Set the raw-escaped user and password.
*
* @param escapedUser the raw-escaped user
* @param escapedPassword the raw-escaped password; could be null
* @throws URIException escaped user not valid or user required; escaped
* password not valid or username missed
*/
public void setRawUserinfo(char[] escapedUser, char[] escapedPassword)
throws URIException {
if (escapedUser == null || escapedUser.length == 0) {
throw new URIException(URIException.PARSING, "user required");
}
if (!validate(escapedUser, within_userinfo)
|| ((escapedPassword != null)
&& !validate(escapedPassword, within_userinfo))) {
throw new URIException(URIException.ESCAPING,
"escaped userinfo not valid");
}
String username = new String(escapedUser);
String password = (escapedPassword == null)
? null : new String(escapedPassword);
String userinfo = username + ((password == null) ? "" : ":" + password);
String hostname = new String(getRawHost());
String hostport = (_port == -1) ? hostname : hostname + ":" + _port;
String authority = userinfo + "@" + hostport;
_userinfo = userinfo.toCharArray();
_authority = authority.toCharArray();
setURI();
}
/**
* Set the raw-escaped user and password.
*
* @param escapedUser the escaped user
* @param escapedPassword the escaped password; could be null
* @throws URIException escaped user not valid or user required; escaped
* password not valid or username missed
* @throws NullPointerException null user
*/
public void setEscapedUserinfo(String escapedUser, String escapedPassword)
throws URIException, NullPointerException {
setRawUserinfo(escapedUser.toCharArray(), (escapedPassword == null)
? null : escapedPassword.toCharArray());
}
/**
* Set the user and password.
*
* @param user the user
* @param password the password; could be null
* @throws URIException encoding error or username missed
* @throws NullPointerException null user
*/
public void setUserinfo(String user, String password)
throws URIException, NullPointerException {
// set the charset to do escape encoding
String charset = getProtocolCharset();
setRawUserinfo(encode(user, within_userinfo, charset),
(password == null)
? null
: encode(password, within_userinfo, charset));
}
/**
* Set the raw-escaped user.
*
* @param escapedUser the raw-escaped user
* @throws URIException escaped user not valid or user required
*/
public void setRawUser(char[] escapedUser) throws URIException {
if (escapedUser == null || escapedUser.length == 0) {
throw new URIException(URIException.PARSING, "user required");
}
if (!validate(escapedUser, within_userinfo)) {
throw new URIException(URIException.ESCAPING,
"escaped user not valid");
}
String username = new String(escapedUser);
char[] rawPassword = getRawPassword();
String password = rawPassword == null ? null : new String(rawPassword);
String userinfo = username + ((password == null) ? "" : ":" + password);
String hostname = new String(getRawHost());
String hostport = (_port == -1) ? hostname : hostname + ":" + _port;
String authority = userinfo + "@" + hostport;
_userinfo = userinfo.toCharArray();
_authority = authority.toCharArray();
setURI();
}
/**
* Set the escaped user string.
*
* @param escapedUser the escaped user string
* @throws URIException escaped user not valid
* @throws NullPointerException null user
*/
public void setEscapedUser(String escapedUser)
throws URIException, NullPointerException {
setRawUser(escapedUser.toCharArray());
}
/**
* Set the user string.
*
* @param user the user string
* @throws URIException user encoding error
* @throws NullPointerException null user
*/
public void setUser(String user) throws URIException, NullPointerException {
setRawUser(encode(user, allowed_within_userinfo, getProtocolCharset()));
}
/**
* Get the raw-escaped user.
*
* @return the raw-escaped user
*/
public char[] getRawUser() {
if (_userinfo == null || _userinfo.length == 0) {
return null;
}
int to = indexFirstOf(_userinfo, ':');
// String.indexOf(':', 0, _userinfo.length, _userinfo, 0, 1, 0);
if (to == -1) {
return _userinfo; // only user.
}
char[] result = new char[to];
System.arraycopy(_userinfo, 0, result, 0, to);
return result;
}
/**
* Get the escaped user
*
* @return the escaped user
*/
public String getEscapedUser() {
char[] user = getRawUser();
return (user == null) ? null : new String(user);
}
/**
* Get the user.
*
* @return the user name
* @throws URIException If {@link #decode} fails
*/
public String getUser() throws URIException {
char[] user = getRawUser();
return (user == null) ? null : decode(user, getProtocolCharset());
}
/**
* Set the raw-escaped password.
*
* @param escapedPassword the raw-escaped password; could be null
* @throws URIException escaped password not valid or username missed
*/
public void setRawPassword(char[] escapedPassword) throws URIException {
if (escapedPassword != null
&& !validate(escapedPassword, within_userinfo)) {
throw new URIException(URIException.ESCAPING,
"escaped password not valid");
}
if (getRawUser() == null || getRawUser().length == 0) {
throw new URIException(URIException.PARSING, "username required");
}
String username = new String(getRawUser());
String password = escapedPassword == null ? null : new String(escapedPassword);
// an emtpy string is allowed as a password
String userinfo = username + ((password == null) ? "" : ":" + password);
String hostname = new String(getRawHost());
String hostport = (_port == -1) ? hostname : hostname + ":" + _port;
String authority = userinfo + "@" + hostport;
_userinfo = userinfo.toCharArray();
_authority = authority.toCharArray();
setURI();
}
/**
* Set the escaped password string.
*
* @param escapedPassword the escaped password string; could be null
* @throws URIException escaped password not valid or username missed
*/
public void setEscapedPassword(String escapedPassword) throws URIException {
setRawPassword((escapedPassword == null) ? null
: escapedPassword.toCharArray());
}
/**
* Set the password string.
*
* @param password the password string; could be null
* @throws URIException encoding error or username missed
*/
public void setPassword(String password) throws URIException {
setRawPassword((password == null) ? null : encode(password,
allowed_within_userinfo, getProtocolCharset()));
}
/**
* Get the raw-escaped password.
*
* @return the raw-escaped password
*/
public char[] getRawPassword() {
int from = indexFirstOf(_userinfo, ':');
if (from == -1) {
return null; // null or only user.
}
int len = _userinfo.length - from - 1;
char[] result = new char[len];
System.arraycopy(_userinfo, from + 1, result, 0, len);
return result;
}
/**
* Get the escaped password.
*
* @return the escaped password
*/
public String getEscapedPassword() {
char[] password = getRawPassword();
return (password == null) ? null : new String(password);
}
/**
* Get the password.
*
* @return the password
* @throws URIException If {@link #decode(char[],String)} fails.
*/
public String getPassword() throws URIException {
char[] password = getRawPassword();
return (password == null) ? null : decode(password,
getProtocolCharset());
}
// --------------------------------------------------------------- The path
/**
* Get the raw-escaped current hierarchy level.
*
* @return the raw-escaped current hierarchy level
* @throws URIException If {@link #getRawCurrentHierPath(char[])} fails.
*/
public char[] getRawCurrentHierPath() throws URIException {
return (_path == null || _path.length == 0) ? rootPath
: super.getRawCurrentHierPath(_path);
}
/**
* Get the level above the this hierarchy level.
*
* @return the raw above hierarchy level
* @throws URIException If {@link #getRawCurrentHierPath(char[])} fails.
*/
public char[] getRawAboveHierPath() throws URIException {
char[] path = getRawCurrentHierPath();
return (path == null || path.length == 0) ? rootPath : getRawCurrentHierPath(path);
}
/**
* Get the raw escaped path.
*
* @return the path '/' if empty or undefined
*/
public char[] getRawPath() {
char[] path = super.getRawPath();
return (path == null || path.length == 0) ? rootPath : path;
}
// -------------------------------------------------------------- The query
/**
* Set the query as the name and value pair.
*
* @param queryName the query string.
* @param queryValue the query string.
* @throws URIException incomplete trailing escape pattern
* Or unsupported character encoding
* @throws NullPointerException null query
* @see #encode
*/
public void setQuery(String queryName, String queryValue)
throws URIException, NullPointerException {
StringBuffer buff = new StringBuffer();
// set the charset to do escape encoding
String charset = getProtocolCharset();
buff.append(encode(queryName, allowed_within_query, charset));
buff.append('=');
buff.append(encode(queryValue, allowed_within_query, charset));
_query = buff.toString().toCharArray();
setURI();
}
/**
* Set the query as the name and value pairs.
*
* @param queryName the array of the query string.
* @param queryValue the array of the query string.
* @throws URIException incomplete trailing escape pattern,
* unsupported character encoding or wrong array size
* @throws NullPointerException null query
* @see #encode
*/
public void setQuery(String[] queryName, String[] queryValue)
throws URIException, NullPointerException {
int length = queryName.length;
if (length != queryValue.length) {
throw new URIException("wrong array size of query");
}
StringBuffer buff = new StringBuffer();
// set the charset to do escape encoding
String charset = getProtocolCharset();
for (int i = 0; i < length; i++) {
buff.append(encode(queryName[i], allowed_within_query, charset));
buff.append('=');
buff.append(encode(queryValue[i], allowed_within_query, charset));
if (i + 1 < length) {
buff.append('&');
}
}
_query = buff.toString().toCharArray();
setURI();
}
// ---------------------------------------------------------------- Utility
/**
* Verify the valid class use for construction.
*
* @throws URIException the wrong scheme use
*/
protected void checkValid() throws URIException {
// could be explicit protocol or undefined.
if (!(equals(_scheme, DEFAULT_SCHEME) || _scheme == null)) {
throw new URIException(URIException.PARSING, "wrong class use");
}
}
/**
* Once it's parsed successfully, set this URI.
*
* @see #getRawURI
*/
protected void setURI() {
// set _uri
StringBuffer buf = new StringBuffer();
// ^(([^:/?#]+):)?(//([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?
if (_scheme != null) {
buf.append(_scheme);
buf.append(':');
}
if (_is_net_path) {
buf.append("//");
if (_authority != null) { // has_authority
if (_userinfo != null) { // by default, remove userinfo part
if (_host != null) {
buf.append(_host);
if (_port != -1) {
buf.append(':');
buf.append(_port);
}
}
} else {
buf.append(_authority);
}
}
}
if (_opaque != null && _is_opaque_part) {
buf.append(_opaque);
} else if (_path != null) {
// _is_hier_part or _is_relativeURI
if (_path.length != 0) {
buf.append(_path);
}
}
if (_query != null) { // has_query
buf.append('?');
buf.append(_query);
}
// ignore the fragment identifier
_uri = buf.toString().toCharArray();
hash = 0;
}
}
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