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Fragment-based URIs [message #426657]

Fri, 16 January 2009 14:00

Eclipse User

Originally posted by: ali.akar.geensys.com

Hi all,

As I understand, the format of an EMF URI is
SCHEME://AUTHORITY/SEGMENT/SEGMENT...#FRAGMENT?QUERY, so I'm asking if
URIs without segments(and authority), like SCHEME:#FRAGMENT?QUERY, still
valid from an EMF point of view ?? and if
org.eclipse.emf.common.util.URI.parseIntoURI(String) method supports the
proposed URI format ??

Thanks in advance,
Ali

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Re: Fragment-based URIs [message #426660 is a reply to message #426657]

Fri, 16 January 2009 14:17

Ed Merks

Messages: 33141
Registered: July 2009

Senior Member

This is a multi-part message in MIME format.
--------------010507070702040402020504
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

Ali,

URIs are structured as follows. Note the placement of the query.

..A URI typically consists of /-separated components
--[scheme:][//authority][/path][?query][#fragment]
--E.g.,
.. http://www.eclipse.org/modeling/emf/?project=emf#related
.. file://c:/workspace/project/file.extension#id
.. platform:/resource/project/file.extension#id

The parts are accessible like this:

public final class URI

{

public boolean isHierarchical();

public String scheme();

public String authority();

public String[] segments();

public String path();

public String query();

public String fragment();

// ...

}

If you're going to have more than one resource, you really are going to
need something more than just a scheme before the #.

Ali Akar wrote:
> Hi all,
>
> As I understand, the format of an EMF URI is
> SCHEME://AUTHORITY/SEGMENT/SEGMENT...#FRAGMENT?QUERY, so I'm asking if
> URIs without segments(and authority), like SCHEME:#FRAGMENT?QUERY,
> still valid from an EMF point of view ?? and if
> org.eclipse.emf.common.util.URI.parseIntoURI(String) method supports the
> proposed URI format ??
>
> Thanks in advance,
> Ali

--------------010507070702040402020504
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html;charset=ISO-8859-1" http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
Ali, 
 
URIs are structured as follows.  Note the placement of the query. 
 
<div
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.38in; text-indent: -0.38in;">•A URI typically consists
of /-separated components</div>
<div class="O1"
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.81in; text-indent: -0.31in;">–[scheme:][//authority][/path][?query][#fragment]</div>
<div class="O1"
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 0.81in; text-indent: -0.31in;">–E.g.,</div>
<div class="O2"
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.25in; text-indent: -0.25in;">• http://www.eclipse.org/modeling/emf/?project=emf#related</div>
<div class="O2"
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.25in; text-indent: -0.25in;">• file://c:/workspace/project/file.extension#id</div>
<div class="O2"
style="margin-top: 0pt; margin-bottom: 0pt; margin-left: 1.25in; text-indent: -0.25in;">• platform:/resource/project/file.extension#id
</div>
 
The parts are accessible like this: 

<blockquote>public
final class URI
{
  public boolean isHierarchical();
  public String scheme();
  public String authority();
  public String[] segments();
  public String path();
  public String query();
  public String fragment();
  // ...
}

</blockquote>
If you're going to have more than one resource, you really are going to
need something  more than just a scheme before the #. 
 
 
 
Ali Akar wrote:
<blockquote cite="mid:gkq3uj$3mt$1@build.eclipse.org" type="cite">Hi
all,
 
 
As I understand, the format of an EMF URI is
SCHEME://AUTHORITY/SEGMENT/SEGMENT...#FRAGMENT?QUERY, so I'm asking if
URIs without segments(and authority), like SCHEME:#FRAGMENT?QUERY,
still valid from an EMF point of view ?? and if
org.eclipse.emf.common.util.URI.parseIntoURI(String) method supports
the
 
proposed URI format ??
 
 
Thanks in advance,
 
Ali
 
</blockquote>
</body>
</html>

--------------010507070702040402020504--

Ed Merks
Professional Support: https://www.macromodeling.com/

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