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Hello Xavier,<br>
<br>
This class is temporary created in a working copy that is discarded
in the same method in order to get IType as context for resolution
of referenced types. For example, package-info.java may have this
content<br>
<br>
@Named<br>
package cdi.test.alternative.case1;<br>
import javax.inject.*;<br>
<br>
Neither interface ICompilationUnit, nor IPackageDeclaration have
method resolveType(String) which is needed to resolve 'Named' into
'javax.inject.Named'. I could not find a better solution than
creating a temporary IType. It is never added to the actual Java
model of the project, it exists only in a working copy that is
discarded.<br>
<br>
Java model listeners may get the event on creating this type, but
they also should get the event on its discarding. <br>
<br>
Best regards,<br>
Slava<br>
<br>
On 07/31/2012 06:34 AM, Xavier Coulon wrote:
<blockquote
cite="mid:1B10F1C7-54F9-4193-AB54-E02BBCADF64C@redhat.com"
type="cite">Hello Daniel,
<div><br>
</div>
<div>As I'm trying to fix <a moz-do-not-send="true"
href="https://issues.jboss.org/browse/JBIDE-12095">https://issues.jboss.org/browse/JBIDE-12095</a>,
I found something a bit strange in the CDIBuilderDelegate when
editing a 'package-info.java' file (just adding a space char):</div>
<div>At line 90, the CDIBuilderDelegate#build() method calls the
PackageDelegate#setPackage() method below which creates a 'class
A {}' as shown below.</div>
<div><br>
</div>
<div style="margin: 0px; font: 11px Menlo;"><span style="color:
rgb(147, 16, 102);"><b><span class="Apple-tab-span"
style="white-space: pre;"> </span>public</b></span> <span
style="color: rgb(147, 16, 102);"><b>void</b></span>
setPackage(IPackageDeclaration pkg, IRootDefinitionContext
context) {</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(33, 32, 200);">qualifiedName</span> =
pkg.getElementName();</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>IType
contextType = <span style="color: rgb(147, 16, 102);"><b>null</b></span>;</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>ICompilationUnit
u = <span style="color: rgb(147, 16, 102);"><b>null</b></span>;</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(147, 16, 102);"><b>if</b></span>(pkg.getParent()
<span style="color: rgb(147, 16, 102);"><b>instanceof</b></span>
ICompilationUnit) {</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(147, 16, 102);"><b>try</b></span> {</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>u =
((ICompilationUnit)pkg.getParent()).getWorkingCopy(<span
style="color: rgb(147, 16, 102);"><b>new</b></span>
NullProgressMonitor());</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>contextType
= u.createType(<span style="color: rgb(72, 44, 251);">"class A
{}"</span>, <span style="color: rgb(147, 16, 102);"><b>null</b></span>,
<span style="color: rgb(147, 16, 102);"><b>false</b></span>, <span
style="color: rgb(147, 16, 102);"><b>new</b></span>
NullProgressMonitor());</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>} <span
style="color: rgb(147, 16, 102);"><b>catch</b></span>
(JavaModelException e) {</div>
<p style="margin: 0px; font: 11px Menlo; min-height: 13px;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><br
class="webkit-block-placeholder">
</p>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>}</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>}</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(147, 16, 102);"><b>super</b></span>.setAnnotatable(pkg,
contextType, context, 0);</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(147, 16, 102);"><b>if</b></span> (u != <span
style="color: rgb(147, 16, 102);"><b>null</b></span>) {</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><span
style="color: rgb(147, 16, 102);"><b>try</b></span> {</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>u.discardWorkingCopy();</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>} <span
style="color: rgb(147, 16, 102);"><b>catch</b></span>
(JavaModelException e) {</div>
<p style="margin: 0px; font: 11px Menlo; min-height: 13px;"><span
class="Apple-tab-span" style="white-space: pre;"> </span><br
class="webkit-block-placeholder">
</p>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>}</div>
<div style="margin: 0px; font: 11px Menlo;"><span
class="Apple-tab-span" style="white-space: pre;"> </span>}</div>
<div><span class="Apple-style-span" style="font-family: Menlo;
font-size: 11px;"><span class="Apple-tab-span"
style="white-space: pre;"> </span></span><span
class="Apple-style-span" style="font-family: Menlo; font-size:
11px;">}</span> </div>
<div><br>
</div>
<div>The JAX-RS plugin catches an event for this type creation but
fails later. I can add some tests to verify that the type really
exist, but still, is this necessary (just asking, don't take is
bad) ?</div>
<div><br>
</div>
<div>Thanks.</div>
<div>Best regards,<br>
<div apple-content-edited="true">
/Xavier<br>
<br>
<br>
</div>
<br>
</div>
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