JDK8/Java8源码在线阅读
/*
* Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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*/
package java.net;
import java.util.List;
import java.util.StringTokenizer;
import java.util.NoSuchElementException;
import java.text.SimpleDateFormat;
import java.util.TimeZone;
import java.util.Calendar;
import java.util.GregorianCalendar;
import java.util.Date;
import java.util.Locale;
import java.util.Objects;
/**
* An HttpCookie object represents an HTTP cookie, which carries state
* information between server and user agent. Cookie is widely adopted
* to create stateful sessions.
*
* <p> There are 3 HTTP cookie specifications:
* <blockquote>
* Netscape draft<br>
* RFC 2109 - <a href="http://www.ietf.org/rfc/rfc2109.txt">
* <i>http://www.ietf.org/rfc/rfc2109.txt</i></a><br>
* RFC 2965 - <a href="http://www.ietf.org/rfc/rfc2965.txt">
* <i>http://www.ietf.org/rfc/rfc2965.txt</i></a>
* </blockquote>
*
* <p> HttpCookie class can accept all these 3 forms of syntax.
*
* @author Edward Wang
* @since 1.6
*/
public final class HttpCookie implements Cloneable {
// ---------------- Fields --------------
// The value of the cookie itself.
private final String name; // NAME= ... "$Name" style is reserved
private String value; // value of NAME
// Attributes encoded in the header's cookie fields.
private String comment; // Comment=VALUE ... describes cookie's use
private String commentURL; // CommentURL="http URL" ... describes cookie's use
private boolean toDiscard; // Discard ... discard cookie unconditionally
private String domain; // Domain=VALUE ... domain that sees cookie
private long maxAge = MAX_AGE_UNSPECIFIED; // Max-Age=VALUE ... cookies auto-expire
private String path; // Path=VALUE ... URLs that see the cookie
private String portlist; // Port[="portlist"] ... the port cookie may be returned to
private boolean secure; // Secure ... e.g. use SSL
private boolean httpOnly; // HttpOnly ... i.e. not accessible to scripts
private int version = 1; // Version=1 ... RFC 2965 style
// The original header this cookie was consructed from, if it was
// constructed by parsing a header, otherwise null.
private final String header;
// Hold the creation time (in seconds) of the http cookie for later
// expiration calculation
private final long whenCreated;
// Since the positive and zero max-age have their meanings,
// this value serves as a hint as 'not specify max-age'
private final static long MAX_AGE_UNSPECIFIED = -1;
// date formats used by Netscape's cookie draft
// as well as formats seen on various sites
private final static String[] COOKIE_DATE_FORMATS = {
"EEE',' dd-MMM-yyyy HH:mm:ss 'GMT'",
"EEE',' dd MMM yyyy HH:mm:ss 'GMT'",
"EEE MMM dd yyyy HH:mm:ss 'GMT'Z",
"EEE',' dd-MMM-yy HH:mm:ss 'GMT'",
"EEE',' dd MMM yy HH:mm:ss 'GMT'",
"EEE MMM dd yy HH:mm:ss 'GMT'Z"
};
// constant strings represent set-cookie header token
private final static String SET_COOKIE = "set-cookie:";
private final static String SET_COOKIE2 = "set-cookie2:";
// ---------------- Ctors --------------
/**
* Constructs a cookie with a specified name and value.
*
* <p> The name must conform to RFC 2965. That means it can contain
* only ASCII alphanumeric characters and cannot contain commas,
* semicolons, or white space or begin with a $ character. The cookie's
* name cannot be changed after creation.
*
* <p> The value can be anything the server chooses to send. Its
* value is probably of interest only to the server. The cookie's
* value can be changed after creation with the
* {@code setValue} method.
*
* <p> By default, cookies are created according to the RFC 2965
* cookie specification. The version can be changed with the
* {@code setVersion} method.
*
*
* @param name
* a {@code String} specifying the name of the cookie
*
* @param value
* a {@code String} specifying the value of the cookie
*
* @throws IllegalArgumentException
* if the cookie name contains illegal characters
* @throws NullPointerException
* if {@code name} is {@code null}
*
* @see #setValue
* @see #setVersion
*/
public HttpCookie(String name, String value) {
this(name, value, null /*header*/);
}
private HttpCookie(String name, String value, String header) {
name = name.trim();
if (name.length() == 0 || !isToken(name) || name.charAt(0) == '$') {
throw new IllegalArgumentException("Illegal cookie name");
}
this.name = name;
this.value = value;
toDiscard = false;
secure = false;
whenCreated = System.currentTimeMillis();
portlist = null;
this.header = header;
}
/**
* Constructs cookies from set-cookie or set-cookie2 header string.
* RFC 2965 section 3.2.2 set-cookie2 syntax indicates that one header line
* may contain more than one cookie definitions, so this is a static
* utility method instead of another constructor.
*
* @param header
* a {@code String} specifying the set-cookie header. The header
* should start with "set-cookie", or "set-cookie2" token; or it
* should have no leading token at all.
*
* @return a List of cookie parsed from header line string
*
* @throws IllegalArgumentException
* if header string violates the cookie specification's syntax or
* the cookie name contains illegal characters.
* @throws NullPointerException
* if the header string is {@code null}
*/
public static List<HttpCookie> parse(String header) {
return parse(header, false);
}
// Private version of parse() that will store the original header used to
// create the cookie, in the cookie itself. This can be useful for filtering
// Set-Cookie[2] headers, using the internal parsing logic defined in this
// class.
private static List<HttpCookie> parse(String header, boolean retainHeader) {
int version = guessCookieVersion(header);
// if header start with set-cookie or set-cookie2, strip it off
if (startsWithIgnoreCase(header, SET_COOKIE2)) {
header = header.substring(SET_COOKIE2.length());
} else if (startsWithIgnoreCase(header, SET_COOKIE)) {
header = header.substring(SET_COOKIE.length());
}
List<HttpCookie> cookies = new java.util.ArrayList<>();
// The Netscape cookie may have a comma in its expires attribute, while
// the comma is the delimiter in rfc 2965/2109 cookie header string.
// so the parse logic is slightly different
if (version == 0) {
// Netscape draft cookie
HttpCookie cookie = parseInternal(header, retainHeader);
cookie.setVersion(0);
cookies.add(cookie);
} else {
// rfc2965/2109 cookie
// if header string contains more than one cookie,
// it'll separate them with comma
List<String> cookieStrings = splitMultiCookies(header);
for (String cookieStr : cookieStrings) {
HttpCookie cookie = parseInternal(cookieStr, retainHeader);
cookie.setVersion(1);
cookies.add(cookie);
}
}
return cookies;
}
// ---------------- Public operations --------------
/**
* Reports whether this HTTP cookie has expired or not.
*
* @return {@code true} to indicate this HTTP cookie has expired;
* otherwise, {@code false}
*/
public boolean hasExpired() {
if (maxAge == 0) return true;
// if not specify max-age, this cookie should be
// discarded when user agent is to be closed, but
// it is not expired.
if (maxAge == MAX_AGE_UNSPECIFIED) return false;
long deltaSecond = (System.currentTimeMillis() - whenCreated) / 1000;
if (deltaSecond > maxAge)
return true;
else
return false;
}
/**
* Specifies a comment that describes a cookie's purpose.
* The comment is useful if the browser presents the cookie
* to the user. Comments are not supported by Netscape Version 0 cookies.
*
* @param purpose
* a {@code String} specifying the comment to display to the user
*
* @see #getComment
*/
public void setComment(String purpose) {
comment = purpose;
}
/**
* Returns the comment describing the purpose of this cookie, or
* {@code null} if the cookie has no comment.
*
* @return a {@code String} containing the comment, or {@code null} if none
*
* @see #setComment
*/
public String getComment() {
return comment;
}
/**
* Specifies a comment URL that describes a cookie's purpose.
* The comment URL is useful if the browser presents the cookie
* to the user. Comment URL is RFC 2965 only.
*
* @param purpose
* a {@code String} specifying the comment URL to display to the user
*
* @see #getCommentURL
*/
public void setCommentURL(String purpose) {
commentURL = purpose;
}
/**
* Returns the comment URL describing the purpose of this cookie, or
* {@code null} if the cookie has no comment URL.
*
* @return a {@code String} containing the comment URL, or {@code null}
* if none
*
* @see #setCommentURL
*/
public String getCommentURL() {
return commentURL;
}
/**
* Specify whether user agent should discard the cookie unconditionally.
* This is RFC 2965 only attribute.
*
* @param discard
* {@code true} indicates to discard cookie unconditionally
*
* @see #getDiscard
*/
public void setDiscard(boolean discard) {
toDiscard = discard;
}
/**
* Returns the discard attribute of the cookie
*
* @return a {@code boolean} to represent this cookie's discard attribute
*
* @see #setDiscard
*/
public boolean getDiscard() {
return toDiscard;
}
/**
* Specify the portlist of the cookie, which restricts the port(s)
* to which a cookie may be sent back in a Cookie header.
*
* @param ports
* a {@code String} specify the port list, which is comma separated
* series of digits
*
* @see #getPortlist
*/
public void setPortlist(String ports) {
portlist = ports;
}
/**
* Returns the port list attribute of the cookie
*
* @return a {@code String} contains the port list or {@code null} if none
*
* @see #setPortlist
*/
public String getPortlist() {
return portlist;
}
/**
* Specifies the domain within which this cookie should be presented.
*
* <p> The form of the domain name is specified by RFC 2965. A domain
* name begins with a dot ({@code .foo.com}) and means that
* the cookie is visible to servers in a specified Domain Name System
* (DNS) zone (for example, {@code www.foo.com}, but not
* {@code a.b.foo.com}). By default, cookies are only returned
* to the server that sent them.
*
* @param pattern
* a {@code String} containing the domain name within which this
* cookie is visible; form is according to RFC 2965
*
* @see #getDomain
*/
public void setDomain(String pattern) {
if (pattern != null)
domain = pattern.toLowerCase();
else
domain = pattern;
}
/**
* Returns the domain name set for this cookie. The form of the domain name
* is set by RFC 2965.
*
* @return a {@code String} containing the domain name
*
* @see #setDomain
*/
public String getDomain() {
return domain;
}
/**
* Sets the maximum age of the cookie in seconds.
*
* <p> A positive value indicates that the cookie will expire
* after that many seconds have passed. Note that the value is
* the <i>maximum</i> age when the cookie will expire, not the cookie's
* current age.
*
* <p> A negative value means that the cookie is not stored persistently
* and will be deleted when the Web browser exits. A zero value causes the
* cookie to be deleted.
*
* @param expiry
* an integer specifying the maximum age of the cookie in seconds;
* if zero, the cookie should be discarded immediately; otherwise,
* the cookie's max age is unspecified.
*
* @see #getMaxAge
*/
public void setMaxAge(long expiry) {
maxAge = expiry;
}
/**
* Returns the maximum age of the cookie, specified in seconds. By default,
* {@code -1} indicating the cookie will persist until browser shutdown.
*
* @return an integer specifying the maximum age of the cookie in seconds
*
* @see #setMaxAge
*/
public long getMaxAge() {
return maxAge;
}
/**
* Specifies a path for the cookie to which the client should return
* the cookie.
*
* <p> The cookie is visible to all the pages in the directory
* you specify, and all the pages in that directory's subdirectories.
* A cookie's path must include the servlet that set the cookie,
* for example, <i>/catalog</i>, which makes the cookie
* visible to all directories on the server under <i>/catalog</i>.
*
* <p> Consult RFC 2965 (available on the Internet) for more
* information on setting path names for cookies.
*
* @param uri
* a {@code String} specifying a path
*
* @see #getPath
*/
public void setPath(String uri) {
path = uri;
}
/**
* Returns the path on the server to which the browser returns this cookie.
* The cookie is visible to all subpaths on the server.
*
* @return a {@code String} specifying a path that contains a servlet name,
* for example, <i>/catalog</i>
*
* @see #setPath
*/
public String getPath() {
return path;
}
/**
* Indicates whether the cookie should only be sent using a secure protocol,
* such as HTTPS or SSL.
*
* <p> The default value is {@code false}.
*
* @param flag
* If {@code true}, the cookie can only be sent over a secure
* protocol like HTTPS. If {@code false}, it can be sent over
* any protocol.
*
* @see #getSecure
*/
public void setSecure(boolean flag) {
secure = flag;
}
/**
* Returns {@code true} if sending this cookie should be restricted to a
* secure protocol, or {@code false} if the it can be sent using any
* protocol.
*
* @return {@code false} if the cookie can be sent over any standard
* protocol; otherwise, {@code true}
*
* @see #setSecure
*/
public boolean getSecure() {
return secure;
}
/**
* Returns the name of the cookie. The name cannot be changed after
* creation.
*
* @return a {@code String} specifying the cookie's name
*/
public String getName() {
return name;
}
/**
* Assigns a new value to a cookie after the cookie is created.
* If you use a binary value, you may want to use BASE64 encoding.
*
* <p> With Version 0 cookies, values should not contain white space,
* brackets, parentheses, equals signs, commas, double quotes, slashes,
* question marks, at signs, colons, and semicolons. Empty values may not
* behave the same way on all browsers.
*
* @param newValue
* a {@code String} specifying the new value
*
* @see #getValue
*/
public void setValue(String newValue) {
value = newValue;
}
/**
* Returns the value of the cookie.
*
* @return a {@code String} containing the cookie's present value
*
* @see #setValue
*/
public String getValue() {
return value;
}
/**
* Returns the version of the protocol this cookie complies with. Version 1
* complies with RFC 2965/2109, and version 0 complies with the original
* cookie specification drafted by Netscape. Cookies provided by a browser
* use and identify the browser's cookie version.
*
* @return 0 if the cookie complies with the original Netscape
* specification; 1 if the cookie complies with RFC 2965/2109
*
* @see #setVersion
*/
public int getVersion() {
return version;
}
/**
* Sets the version of the cookie protocol this cookie complies
* with. Version 0 complies with the original Netscape cookie
* specification. Version 1 complies with RFC 2965/2109.
*
* @param v
* 0 if the cookie should comply with the original Netscape
* specification; 1 if the cookie should comply with RFC 2965/2109
*
* @throws IllegalArgumentException
* if {@code v} is neither 0 nor 1
*
* @see #getVersion
*/
public void setVersion(int v) {
if (v != 0 && v != 1) {
throw new IllegalArgumentException("cookie version should be 0 or 1");
}
version = v;
}
/**
* Returns {@code true} if this cookie contains the <i>HttpOnly</i>
* attribute. This means that the cookie should not be accessible to
* scripting engines, like javascript.
*
* @return {@code true} if this cookie should be considered HTTPOnly
*
* @see #setHttpOnly(boolean)
*/
public boolean isHttpOnly() {
return httpOnly;
}
/**
* Indicates whether the cookie should be considered HTTP Only. If set to
* {@code true} it means the cookie should not be accessible to scripting
* engines like javascript.
*
* @param httpOnly
* if {@code true} make the cookie HTTP only, i.e. only visible as
* part of an HTTP request.
*
* @see #isHttpOnly()
*/
public void setHttpOnly(boolean httpOnly) {
this.httpOnly = httpOnly;
}
/**
* The utility method to check whether a host name is in a domain or not.
*
* <p> This concept is described in the cookie specification.
* To understand the concept, some terminologies need to be defined first:
* <blockquote>
* effective host name = hostname if host name contains dot<br>
*
* or = hostname.local if not
* </blockquote>
* <p>Host A's name domain-matches host B's if:
* <blockquote><ul>
* <li>their host name strings string-compare equal; or</li>
* <li>A is a HDN string and has the form NB, where N is a non-empty
* name string, B has the form .B', and B' is a HDN string. (So,
* x.y.com domain-matches .Y.com but not Y.com.)</li>
* </ul></blockquote>
*
* <p>A host isn't in a domain (RFC 2965 sec. 3.3.2) if:
* <blockquote><ul>
* <li>The value for the Domain attribute contains no embedded dots,
* and the value is not .local.</li>
* <li>The effective host name that derives from the request-host does
* not domain-match the Domain attribute.</li>
* <li>The request-host is a HDN (not IP address) and has the form HD,
* where D is the value of the Domain attribute, and H is a string
* that contains one or more dots.</li>
* </ul></blockquote>
*
* <p>Examples:
* <blockquote><ul>
* <li>A Set-Cookie2 from request-host y.x.foo.com for Domain=.foo.com
* would be rejected, because H is y.x and contains a dot.</li>
* <li>A Set-Cookie2 from request-host x.foo.com for Domain=.foo.com
* would be accepted.</li>
* <li>A Set-Cookie2 with Domain=.com or Domain=.com., will always be
* rejected, because there is no embedded dot.</li>
* <li>A Set-Cookie2 from request-host example for Domain=.local will
* be accepted, because the effective host name for the request-
* host is example.local, and example.local domain-matches .local.</li>
* </ul></blockquote>
*
* @param domain
* the domain name to check host name with
*
* @param host
* the host name in question
*
* @return {@code true} if they domain-matches; {@code false} if not
*/
public static boolean domainMatches(String domain, String host) {
if (domain == null || host == null)
return false;
// if there's no embedded dot in domain and domain is not .local
boolean isLocalDomain = ".local".equalsIgnoreCase(domain);
int embeddedDotInDomain = domain.indexOf('.');
if (embeddedDotInDomain == 0)
embeddedDotInDomain = domain.indexOf('.', 1);
if (!isLocalDomain
&& (embeddedDotInDomain == -1 ||
embeddedDotInDomain == domain.length() - 1))
return false;
// if the host name contains no dot and the domain name
// is .local or host.local
int firstDotInHost = host.indexOf('.');
if (firstDotInHost == -1 &&
(isLocalDomain ||
domain.equalsIgnoreCase(host + ".local"))) {
return true;
}
int domainLength = domain.length();
int lengthDiff = host.length() - domainLength;
if (lengthDiff == 0) {
// if the host name and the domain name are just string-compare euqal
return host.equalsIgnoreCase(domain);
}
else if (lengthDiff > 0) {
// need to check H & D component
String H = host.substring(0, lengthDiff);
String D = host.substring(lengthDiff);
return (H.indexOf('.') == -1 && D.equalsIgnoreCase(domain));
}
else if (lengthDiff == -1) {
// if domain is actually .host
return (domain.charAt(0) == '.' &&
host.equalsIgnoreCase(domain.substring(1)));
}
return false;
}
/**
* Constructs a cookie header string representation of this cookie,
* which is in the format defined by corresponding cookie specification,
* but without the leading "Cookie:" token.
*
* @return a string form of the cookie. The string has the defined format
*/
@Override
public String toString() {
if (getVersion() > 0) {
return toRFC2965HeaderString();
} else {
return toNetscapeHeaderString();
}
}
/**
* Test the equality of two HTTP cookies.
*
* <p> The result is {@code true} only if two cookies come from same domain
* (case-insensitive), have same name (case-insensitive), and have same path
* (case-sensitive).
*
* @return {@code true} if two HTTP cookies equal to each other;
* otherwise, {@code false}
*/
@Override
public boolean equals(Object obj) {
if (obj == this)
return true;
if (!(obj instanceof HttpCookie))
return false;
HttpCookie other = (HttpCookie)obj;
// One http cookie equals to another cookie (RFC 2965 sec. 3.3.3) if:
// 1. they come from same domain (case-insensitive),
// 2. have same name (case-insensitive),
// 3. and have same path (case-sensitive).
return equalsIgnoreCase(getName(), other.getName()) &&
equalsIgnoreCase(getDomain(), other.getDomain()) &&
Objects.equals(getPath(), other.getPath());
}
/**
* Returns the hash code of this HTTP cookie. The result is the sum of
* hash code value of three significant components of this cookie: name,
* domain, and path. That is, the hash code is the value of the expression:
* <blockquote>
* getName().toLowerCase().hashCode()<br>
* + getDomain().toLowerCase().hashCode()<br>
* + getPath().hashCode()
* </blockquote>
*
* @return this HTTP cookie's hash code
*/
@Override
public int hashCode() {
int h1 = name.toLowerCase().hashCode();
int h2 = (domain!=null) ? domain.toLowerCase().hashCode() : 0;
int h3 = (path!=null) ? path.hashCode() : 0;
return h1 + h2 + h3;
}
/**
* Create and return a copy of this object.
*
* @return a clone of this HTTP cookie
*/
@Override
public Object clone() {
try {
return super.clone();
} catch (CloneNotSupportedException e) {
throw new RuntimeException(e.getMessage());
}
}
// ---------------- Private operations --------------
// Note -- disabled for now to allow full Netscape compatibility
// from RFC 2068, token special case characters
//
// private static final String tspecials = "()<>@,;:\\\"/[]?={} \t";
private static final String tspecials = ",; "; // deliberately includes space
/*
* Tests a string and returns true if the string counts as a token.
*
* @param value
* the {@code String} to be tested
*
* @return {@code true} if the {@code String} is a token;
* {@code false} if it is not
*/
private static boolean isToken(String value) {
int len = value.length();
for (int i = 0; i < len; i++) {
char c = value.charAt(i);
if (c < 0x20 || c >= 0x7f || tspecials.indexOf(c) != -1)
return false;
}
return true;
}
/*
* Parse header string to cookie object.
*
* @param header
* header string; should contain only one NAME=VALUE pair
*
* @return an HttpCookie being extracted
*
* @throws IllegalArgumentException
* if header string violates the cookie specification
*/
private static HttpCookie parseInternal(String header,
boolean retainHeader)
{
HttpCookie cookie = null;
String namevaluePair = null;
StringTokenizer tokenizer = new StringTokenizer(header, ";");
// there should always have at least on name-value pair;
// it's cookie's name
try {
namevaluePair = tokenizer.nextToken();
int index = namevaluePair.indexOf('=');
if (index != -1) {
String name = namevaluePair.substring(0, index).trim();
String value = namevaluePair.substring(index + 1).trim();
if (retainHeader)
cookie = new HttpCookie(name,
stripOffSurroundingQuote(value),
header);
else
cookie = new HttpCookie(name,
stripOffSurroundingQuote(value));
} else {
// no "=" in name-value pair; it's an error
throw new IllegalArgumentException("Invalid cookie name-value pair");
}
} catch (NoSuchElementException ignored) {
throw new IllegalArgumentException("Empty cookie header string");
}
// remaining name-value pairs are cookie's attributes
while (tokenizer.hasMoreTokens()) {
namevaluePair = tokenizer.nextToken();
int index = namevaluePair.indexOf('=');
String name, value;
if (index != -1) {
name = namevaluePair.substring(0, index).trim();
value = namevaluePair.substring(index + 1).trim();
} else {
name = namevaluePair.trim();
value = null;
}
// assign attribute to cookie
assignAttribute(cookie, name, value);
}
return cookie;
}
/*
* assign cookie attribute value to attribute name;
* use a map to simulate method dispatch
*/
static interface CookieAttributeAssignor {
public void assign(HttpCookie cookie,
String attrName,
String attrValue);
}
static final java.util.Map<String, CookieAttributeAssignor> assignors =
new java.util.HashMap<>();
static {
assignors.put("comment", new CookieAttributeAssignor() {
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getComment() == null)
cookie.setComment(attrValue);
}
});
assignors.put("commenturl", new CookieAttributeAssignor() {
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getCommentURL() == null)
cookie.setCommentURL(attrValue);
}
});
assignors.put("discard", new CookieAttributeAssignor() {
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
cookie.setDiscard(true);
}
});
assignors.put("domain", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getDomain() == null)
cookie.setDomain(attrValue);
}
});
assignors.put("max-age", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
try {
long maxage = Long.parseLong(attrValue);
if (cookie.getMaxAge() == MAX_AGE_UNSPECIFIED)
cookie.setMaxAge(maxage);
} catch (NumberFormatException ignored) {
throw new IllegalArgumentException(
"Illegal cookie max-age attribute");
}
}
});
assignors.put("path", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getPath() == null)
cookie.setPath(attrValue);
}
});
assignors.put("port", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getPortlist() == null)
cookie.setPortlist(attrValue == null ? "" : attrValue);
}
});
assignors.put("secure", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
cookie.setSecure(true);
}
});
assignors.put("httponly", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
cookie.setHttpOnly(true);
}
});
assignors.put("version", new CookieAttributeAssignor(){
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
try {
int version = Integer.parseInt(attrValue);
cookie.setVersion(version);
} catch (NumberFormatException ignored) {
// Just ignore bogus version, it will default to 0 or 1
}
}
});
assignors.put("expires", new CookieAttributeAssignor(){ // Netscape only
public void assign(HttpCookie cookie,
String attrName,
String attrValue) {
if (cookie.getMaxAge() == MAX_AGE_UNSPECIFIED) {
cookie.setMaxAge(cookie.expiryDate2DeltaSeconds(attrValue));
}
}
});
}
private static void assignAttribute(HttpCookie cookie,
String attrName,
String attrValue)
{
// strip off the surrounding "-sign if there's any
attrValue = stripOffSurroundingQuote(attrValue);
CookieAttributeAssignor assignor = assignors.get(attrName.toLowerCase());
if (assignor != null) {
assignor.assign(cookie, attrName, attrValue);
} else {
// Ignore the attribute as per RFC 2965
}
}
static {
sun.misc.SharedSecrets.setJavaNetHttpCookieAccess(
new sun.misc.JavaNetHttpCookieAccess() {
public List<HttpCookie> parse(String header) {
return HttpCookie.parse(header, true);
}
public String header(HttpCookie cookie) {
return cookie.header;
}
}
);
}
/*
* Returns the original header this cookie was consructed from, if it was
* constructed by parsing a header, otherwise null.
*/
private String header() {
return header;
}
/*
* Constructs a string representation of this cookie. The string format is
* as Netscape spec, but without leading "Cookie:" token.
*/
private String toNetscapeHeaderString() {
return getName() + "=" + getValue();
}
/*
* Constructs a string representation of this cookie. The string format is
* as RFC 2965/2109, but without leading "Cookie:" token.
*/
private String toRFC2965HeaderString() {
StringBuilder sb = new StringBuilder();
sb.append(getName()).append("=\"").append(getValue()).append('"');
if (getPath() != null)
sb.append(";$Path=\"").append(getPath()).append('"');
if (getDomain() != null)
sb.append(";$Domain=\"").append(getDomain()).append('"');
if (getPortlist() != null)
sb.append(";$Port=\"").append(getPortlist()).append('"');
return sb.toString();
}
static final TimeZone GMT = TimeZone.getTimeZone("GMT");
/*
* @param dateString
* a date string in one of the formats defined in Netscape cookie spec
*
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