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List: xml-dev
Subject: Re: [xml-dev] Designing constructor for QName class
From: "Radu Cernuta" <radu.cernuta () gmail ! com>
Date: 2006-11-09 22:14:27
Message-ID: 5d4dd4470611091414h13ca7403l807ec6ba84caeb08 () mail ! gmail ! com
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I supose by
"QName(String lname, String namespace = String())"
you mean something like
class QName{
private String namespaceURI;
private String localName;
public QName(String ln){
this.localName = ln;
namespaceURI = new String();
}
}
This si indeed a possibility, but in many cases you might need more, like,
for instance, to actually pass a namespaceURI to a constructor, or even a
prefix. So you can overload the constructor. Like this:
class QName{
private String namespaceURI;
private String localName;
private String prefix;
public QName(String ln){
this.localName = ln;
namespaceURI = new String();
prefix = new String();
}
public QName(String ln, String nu){
this.localName = ln;
namespaceURI = nu;
prefix = new String();
}
public QName(String ln, String nu, String px){
.....
}
}
This way the experienced users can use what suits them best.
You can also take a look at this:
http://java.sun.com/j2se/1.5.0/docs/api/javax/xml/namespace/QName.html
Chances are you have already a QName class at your disposal and you don't
have to design any constructors.
Greetings,
Radu
2006/11/9, Frans Englich <frans.englich@telia.com>:
>
> On Thursday 09 November 2006 13:32, Richard Salz wrote:
> > Why not just
> > QName(String lname)
> > QName(String nspfx, String lname)
>
> How is that different from:
>
> QName(String lname, String namespace = String())
>
> except for the order of the arguments?
>
>
> Cheers,
>
> Frans
>
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[Attachment #3 (text/html)]
I supose by <br>"QName(String lname, String namespace = String())"<br>you \
mean something like<br><br>class QName{<br> private String \
namespaceURI;<br> private String localName;<br> \
<br> public QName(String ln){ <br> \
this.localName = ln;<br> \
namespaceURI = new String();<br> }<br>}<br><br>This si indeed a \
possibility, but in many cases you might need more, like, for instance, to actually \
pass a namespaceURI to a constructor, or even a prefix. So you can overload the \
constructor. Like this: <br><br>class QName{<br> private String \
namespaceURI;<br> private String localName;<br> \
private String prefix;<br> <br> public \
QName(String ln){<br> this.localName = \
ln;<br> namespaceURI = new String(); \
<br> prefix = new \
String();<br> }<br><br> public QName(String ln, \
String nu){<br> this.localName = ln;<br> \
namespaceURI = nu;<br> \
prefix = new String();<br> \
}<br><br> public QName(String ln, String nu, String \
px){<br> .....<br> \
}<br>}<br>This way the experienced users can use what suits them best.<br><br>You can \
also take a look at this: <br><a \
href="http://java.sun.com/j2se/1.5.0/docs/api/javax/xml/namespace/QName.html">http://j \
ava.sun.com/j2se/1.5.0/docs/api/javax/xml/namespace/QName.html</a><br><br>Chances are \
you have already a QName class at your disposal and you don't have to design any \
constructors. <br><br>Greetings,<br>Radu<br><br><div><span \
class="gmail_quote">2006/11/9, Frans Englich <<a \
href="mailto:frans.englich@telia.com">frans.englich@telia.com</a>>:</span><blockquote \
class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt \
0pt 0.8ex; padding-left: 1ex;"> On Thursday 09 November 2006 13:32, Richard Salz \
wrote:<br>> Why not just<br>> \
QName(String lname)<br>> \
QName(String nspfx, String lname)<br><br>How is that different \
from:<br><br> QName(String lname, \
String namespace = String()) <br><br>except for the order of the \
arguments?<br><br><br>Cheers,<br><br> & \
nbsp; Frans<br><br>_______________________________________________________________________<br><br>XML-DEV \
is a publicly archived, unmoderated list hosted by OASIS <br>to support XML \
implementation and development. To minimize<br>spam in the archives, you must \
subscribe before posting.<br><br>[Un]Subscribe/change address: <a \
href="http://www.oasis-open.org/mlmanage/">http://www.oasis-open.org/mlmanage/ \
</a><br>Or unsubscribe: <a \
href="mailto:xml-dev-unsubscribe@lists.xml.org">xml-dev-unsubscribe@lists.xml.org</a><br>subscribe: \
<a href="mailto:xml-dev-subscribe@lists.xml.org">xml-dev-subscribe@lists.xml.org</a><br>List \
archive: <a href="http://lists.xml.org/archives/xml-dev/">http://lists.xml.org/archives/xml-dev/</a><br>List \
Guidelines: <a href="http://www.oasis-open.org/maillists/guidelines.php">http://www.oasis-open.org/maillists/guidelines.php
</a><br><br></blockquote></div><br>
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