Re: lookup confusing me

Geertjan Wielenga <[email protected]> Thu, 14 Sep 2017 18:44:24 +0200
Newsgroups gmane.comp.java.netbeans.modules.openide.devel
Message-ID <[email protected]> 
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leanpub.com/nbp4beginners

Gj

Sent from my iPhone

> On 14 Sep 2017, at 18:39, Peter Cheung <[email protected]> wrote:
>=20
> Hi
>    I have trouble with lookup, the below code only print out the current f=
ile instead of all opened files.
> Lookup lookup =3D Utilities.actionsGlobalContext();
>=20
> Collection<? extends DataObject> list =3D lookup.lookupAll(DataObject.clas=
s);
> for (DataObject dataObject : list) {
> ModuleLib.log(dataObject);
> }
>=20
> If i use "Lookup.getDefault().lookupAll", looupAll() even returns nothing.=
 Please help
>=20
> Thanks
> FromPeter
>=20

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<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div><a href="http://leanpub.com/nbp4beginners">leanpub.com/nbp4beginners</a></div><div id="AppleMailSignature"><br></div><div id="AppleMailSignature">Gj<br><br>Sent from my iPhone</div><div><br>On 14 Sep 2017, at 18:39, Peter Cheung &lt;<a href="mailto:[email protected]">[email protected]</a>&gt; wrote:<br><br></div><blockquote type="cite"><div>

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<div style="font-family: Calibri, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<div>Hi</div>
<div>&nbsp; &nbsp;I have trouble with lookup, the below code only print out the current file instead of all opened files.</div>
<div><span class="Apple-tab-span" style="white-space:pre">Lookup lookup = Utilities.actionsGlobalContext();</span></div>
<div><br>
</div>
<div>Collection&lt;? extends DataObject&gt; list = lookup.lookupAll(DataObject.class);</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>for (DataObject dataObject : list) {</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>ModuleLib.log(dataObject);</div>
<div><span class="Apple-tab-span" style="white-space:pre"></span>}</div>
<div><br>
</div>
<div>If i use "<span style="color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-caps: normal;">Lookup.getDefault().lookupAll", looupAll() even returns nothing. Please help</span></div>
<div><span style="color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-caps: normal;"><br>
</span></div>
<div><span style="color: rgb(0, 0, 0); font-family: Calibri, Helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant-caps: normal;">Thanks</span></div>
<div>FromPeter</div>
<br>
</div>


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