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java.lang.Objectorg.apache.catalina.util.URL
public final class URL
URL is designed to provide public APIs for parsing
and synthesizing Uniform Resource Locators as similar as possible to the
APIs of java.net.URL, but without the ability to open a
stream or connection. One of the consequences of this is that you can
construct URLs for protocols for which a URLStreamHandler is not
available (such as an "https" URL when JSSE is not installed).
WARNING - This class assumes that the string
representation of a URL conforms to the spec argument
as described in RFC 2396 "Uniform Resource Identifiers: Generic Syntax":
<scheme>//<authority><path>?<query>#<fragment>
FIXME - This class really ought to end up in a Commons package someplace.
| Constructor Summary | |
|---|---|
URL(java.lang.String spec)
Create a URL object from the specified String representation. |
|
URL(java.lang.String protocol,
java.lang.String host,
int port,
java.lang.String file)
Create a URL object from the specified components. |
|
URL(java.lang.String protocol,
java.lang.String host,
java.lang.String file)
Create a URL object from the specified components. |
|
URL(URL context,
java.lang.String spec)
Create a URL object by parsing a string representation relative to a specified context. |
|
| Method Summary | |
|---|---|
boolean |
equals(java.lang.Object obj)
Compare two URLs for equality. |
java.lang.String |
getAuthority()
Return the authority part of the URL. |
java.lang.String |
getFile()
Return the filename part of the URL. |
java.lang.String |
getHost()
Return the host name part of the URL. |
java.lang.String |
getPath()
Return the path part of the URL. |
int |
getPort()
Return the port number part of the URL. |
java.lang.String |
getProtocol()
Return the protocol name part of the URL. |
java.lang.String |
getQuery()
Return the query part of the URL. |
java.lang.String |
getRef()
Return the reference part of the URL. |
java.lang.String |
getUserInfo()
Return the user info part of the URL. |
void |
normalize()
Normalize the path (and therefore file)
portions of this URL. |
boolean |
sameFile(URL other)
Compare two URLs, excluding the "ref" fields. |
java.lang.String |
toExternalForm()
Return a string representation of this URL. |
java.lang.String |
toString()
Return a string representation of this object. |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public URL(java.lang.String spec)
throws java.net.MalformedURLException
spec - String representation of the URL
java.net.MalformedURLException - if the string representation
cannot be parsed successfully
public URL(URL context,
java.lang.String spec)
throws java.net.MalformedURLException
java.net.URL.
context - URL against which the relative representation
is resolvedspec - String representation of the URL (usually relative)
java.net.MalformedURLException - if the string representation
cannot be parsed successfully
public URL(java.lang.String protocol,
java.lang.String host,
java.lang.String file)
throws java.net.MalformedURLException
protocol - Name of the protocol to usehost - Name of the host addressed by this protocolfile - Filename on the specified host
java.net.MalformedURLException - is never thrown, but present for
compatible APIs
public URL(java.lang.String protocol,
java.lang.String host,
int port,
java.lang.String file)
throws java.net.MalformedURLException
java.net.URL.
protocol - Name of the protocol to usehost - Name of the host addressed by this protocolport - Port number, or -1 for the default port for this protocolfile - Filename on the specified host
java.net.MalformedURLException - is never thrown, but present for
compatible APIs| Method Detail |
|---|
public boolean equals(java.lang.Object obj)
true if and
only if the argument is not null, and is a URL object
that represents the same URL as this object. Two
URLs are equal if they have the same protocol and
reference the same host, the same port number on the host,
and the same file and anchor on the host.
equals in class java.lang.Objectobj - The URL to compare againstpublic java.lang.String getAuthority()
public java.lang.String getFile()
java.net.URL, this value includes
the query string if there was one. For just the path portion,
call getPath() instead.
public java.lang.String getHost()
public java.lang.String getPath()
public int getPort()
public java.lang.String getProtocol()
public java.lang.String getQuery()
public java.lang.String getRef()
public java.lang.String getUserInfo()
public void normalize()
throws java.net.MalformedURLException
path (and therefore file)
portions of this URL.
NOTE - This method is not part of the public API
of java.net.URL, but is provided as a value added
service of this implementation.
java.net.MalformedURLException - if a normalization error occurs,
such as trying to move about the hierarchical rootpublic boolean sameFile(URL other)
true
if this URL and the other argument both refer
to the same resource. The two URLs might not both contain
the same anchor.
public java.lang.String toExternalForm()
public java.lang.String toString()
toString in class java.lang.Object
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