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https://issues.apache.org/jira/browse/VELOCITY-919?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Rob van Dalen updated VELOCITY-919:
-----------------------------------
Description:
I am not sure if this is a bug but we have the following situation.
We have a recognition application of recognizing text and decorating the text.
When we putting the below input text to the application:
*Input for the application:*
{code:none}
see art. 1 of the WW and then some other text
{code}
_Just before the text *art. 1* there is a Zero-Width space._
The application will make the text like this:
*Input for the VelocityEngine:*
{code:none}
see ${decorations[0]} and then some other text
{code}
_Just before the text *$\{decorations[0]}* there still is a Zero-Width space.
because our application only changed *art.1 of the WW* into
*$\{decorations[0]}*_
When we put this text to the VelocityEngine together with the decoration
template and a list of laws in the context, the engine is changing my text.
It's removing the Zero-Width Space.
Just before the VelocityEngine is using the text and the template,
VelocityEngine is removing the Zer0-Width Space
Velocity should only do some markup and not change the original input text.
*decoration.vm:*
{code:none}
#set($decorations = [])
#foreach($type in $annotationsMap.keySet())
#foreach($citation in $annotationsMap.get($type))
#set($hideAddResult = $decorations.add("##
<verwijzing>$citation</verwijzing>##
"))
#end
#end
{code}
This is a pace of Java code:
{code:java}
Path templateFile = TEMPLATE_FILE.toPath();
VelocityEngine velocityEngine = new VelocityEngine();
Path pathName = templateFile.getParent();
velocityEngine.setProperty(FILE_RESOURCE_LOADER_PATH,
pathName.toFile().getAbsolutePath());
velocityEngine.init();
Map<String, List<String>> annotationsMap = getAnnotationsMap();
StringBuilder templateStringBuilder = new StringBuilder("see
\u200B${decorations[0]} and then some other text");
templateStringBuilder.insert(0, "#parse(\"" + templateFile.getFileName() +
"\")");
VelocityContext context = new VelocityContext();
context.put("escape", new EscapeTool());
// annotationsMap is put in context as a whole, so that template script can
decide what to do with different CitationTypes
context.put("annotationsMap", annotationsMap);
StringWriter writer = new StringWriter();
velocityEngine.evaluate(context, writer, templateFile.getFileName().toString(),
templateStringBuilder.toString());
{code}
The output of this application is:
{code:html}
see <verwijzing>art. 1 of the WW</verwijzing> and then some other text
{code}
But just before *<verwijzing>* i expected the Zero-Width Space, but it's gone.
So somewhere in the methode evaluate of the VelocityEngine this character is
removed, because it's still present in the template text *"see
$\{decorations[0]} and then some other text"*
Please help.
was:
I am not sure if this is a bug but we have the following situation.
We have a recognition application of recognizing text and decorating the text.
When we putting the below input text to the application:
*Input for the application:*
{code:none}
see art. 1 of the WW and then some other text
{code}
_Just before the text *art. 1* there is a Zero-Width space._
The application will make the text like this:
*Input for the VelocityEngine:*
{code:none}
see ${annotationsMap[0]} and then some other text
{code}
_Just before the text *$\{annotationsMap[0]}* there still is a Zero-Width
space. because our application only changed *art.1 of the WW* into
*$\{annotationsMap[0]}*_
When we put this text to the VelocityEngine together with the decoration
template and a list of laws in the context, the engine is changing my text.
It's removing the Zero-Width Space.
Just before the VelocityEngine is using the text and the template,
VelocityEngine is removing the Zer0-Width Space
Velocity should only do some markup and not change the original input text.
*decoration.vm:*
{code:none}
#foreach($type in $annotationsMap.keySet())
#foreach($citation in $annotationsMap.get($type))
<verwijzing>$citation</verwijzing>
#end
#end
{code}
This is a pace of Java code:
{code:java}
VelocityEngine velocityEngine = new VelocityEngine();
if (exists(pathName.resolve(GLOBAL_MACRO_FILENAME))) {
velocityEngine.setProperty(VM_LIBRARY, GLOBAL_MACRO_FILENAME);
}
velocityEngine.init();
VelocityContext context = new VelocityContext();
context.put("escape", new EscapeTool());
// annotationsMap is put in context as a whole, so that template script can
descide what to do with different CitationTypes
context.put("annotationsMap", annotationsMap);
StringWriter writer = new StringWriter();
velocityEngine.evaluate(context, writer, "decoration.vm", "see
${annotationsMap[0]} and then some other text");
{code}
The output of this application is:
{code:html}
see <verwijzing>art. 1 of the WW</verwijzing> and then some other text
{code}
But just before *<verwijzing>* i expected the Zero-Width Space, but it's gone.
So somewhere in the methode evaluate of the VelocityEngine this character is
removed, because it's still present in the template text *"see
$\{annotationsMap[0]} and then some other text"*
Please help.
> Velocity is removing the Zero-Width space from the text
> -------------------------------------------------------
>
> Key: VELOCITY-919
> URL: https://issues.apache.org/jira/browse/VELOCITY-919
> Project: Velocity
> Issue Type: Bug
> Components: Engine
> Affects Versions: 2.1
> Reporter: Rob van Dalen
> Priority: Major
>
> I am not sure if this is a bug but we have the following situation.
> We have a recognition application of recognizing text and decorating the text.
> When we putting the below input text to the application:
> *Input for the application:*
> {code:none}
> see art. 1 of the WW and then some other text
> {code}
> _Just before the text *art. 1* there is a Zero-Width space._
> The application will make the text like this:
> *Input for the VelocityEngine:*
> {code:none}
> see ${decorations[0]} and then some other text
> {code}
> _Just before the text *$\{decorations[0]}* there still is a Zero-Width space.
> because our application only changed *art.1 of the WW* into
> *$\{decorations[0]}*_
> When we put this text to the VelocityEngine together with the decoration
> template and a list of laws in the context, the engine is changing my text.
> It's removing the Zero-Width Space.
> Just before the VelocityEngine is using the text and the template,
> VelocityEngine is removing the Zer0-Width Space
> Velocity should only do some markup and not change the original input text.
> *decoration.vm:*
> {code:none}
> #set($decorations = [])
> #foreach($type in $annotationsMap.keySet())
> #foreach($citation in $annotationsMap.get($type))
> #set($hideAddResult = $decorations.add("##
> <verwijzing>$citation</verwijzing>##
> "))
> #end
> #end
> {code}
> This is a pace of Java code:
> {code:java}
> Path templateFile = TEMPLATE_FILE.toPath();
> VelocityEngine velocityEngine = new VelocityEngine();
> Path pathName = templateFile.getParent();
> velocityEngine.setProperty(FILE_RESOURCE_LOADER_PATH,
> pathName.toFile().getAbsolutePath());
> velocityEngine.init();
> Map<String, List<String>> annotationsMap = getAnnotationsMap();
> StringBuilder templateStringBuilder = new StringBuilder("see
> \u200B${decorations[0]} and then some other text");
> templateStringBuilder.insert(0, "#parse(\"" + templateFile.getFileName() +
> "\")");
> VelocityContext context = new VelocityContext();
> context.put("escape", new EscapeTool());
> // annotationsMap is put in context as a whole, so that template script can
> decide what to do with different CitationTypes
> context.put("annotationsMap", annotationsMap);
> StringWriter writer = new StringWriter();
> velocityEngine.evaluate(context, writer,
> templateFile.getFileName().toString(), templateStringBuilder.toString());
> {code}
> The output of this application is:
> {code:html}
> see <verwijzing>art. 1 of the WW</verwijzing> and then some other text
> {code}
> But just before *<verwijzing>* i expected the Zero-Width Space, but it's
> gone. So somewhere in the methode evaluate of the VelocityEngine this
> character is removed, because it's still present in the template text *"see
> $\{decorations[0]} and then some other text"*
> Please help.
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