Grzegorz Kossakowski pisze:
> Hugh Sparks pisze:
>> This is a 2.1 to 2.2 migration issue.
>>
>> I created a simple c2 block using:
>>
>> mvn archetype:create \
>> -DarchetypeGroupId=org.apache.cocoon \
>> -DarchetypeArtifactId=cocoon-22-archetype-block \
>> -DarchetypeVersion=1.0.0-RC3-SNAPSHOT \
>> -DgroupId=csparks.com \
>> -DartifactId=AAQuotes
>>
>> Then I modified it to do an example I have working in
>> cocoon 2.1: a simple application that displays a
>> randomly selected quotation and image.
>>
>> The quotations work as expected, but the path to the
>> images in the result.jx template (shown below) requires
>> the name of my block in the path:
>>
>> <img src="AAQuotes/${imageNumber}.gif"/>
>>
>> I ported this example from a working cocoon 2.1.X version
>> and the image tag was simply:
>>
>> <img src="${imageNumber}.gif"/>
>>
>> Why is the block name required in the path to fetch the image
>> when using cocoon 2.2? I would expect the location of the sitemap
>> to be the root for finding files. If I omit the block name, I
>> get an error of the form:
>>
>> javax.servlet.ServletException: No block for /148.gif
>
> I wonder why request for "/148.gif" ever happens. I mean, isn't a browser
> supposed to make request
> relatively to the path of html document? If so, the mount path of a block
> should not be making any
> problems at all.
>
> Another comment is that making a block simply mounted at "/" AND basing on
> this setting when
> developing a block is not a good idea for two reasons:
> 1. Mount path of block can be changed externally (to the block) by using
> Cocoon Spring Configurator
> and suitable property
> 2. The idea of block is that it is reusable unit that has it's own URI space
> for living. This design
> decision makes it possible to extend and compose blocks.
Oups, hit the "send" button too early. I wanted to say, that if you need an
absolute path of
resource in a block you should use "servlet: protocol + servletLinkRewriter"
combo. Forms block
makes an extensive use of this technique and you can have a look at this
document[1] to get an idea
how it works.
I would only add that if you need to reference a resource from current (your
own) block you can use
this syntax:
servlet:/path/to/your/resource (ommitting the part that contains block's name)
[1] http://cocoon.apache.org/2.2/blocks/forms/1.0/1351_1_1.html
--
Grzegorz Kossakowski
Committer and PMC Member of Apache Cocoon
http://reflectingonthevicissitudes.wordpress.com/
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