Re: template.merge output an empty file

On 02/21/2013 01:50 PM, Garey Mills wrote:
> Hi -
> 
>     I am trying to user VelocityEngine.
> 
>    Here is my code:
> 
> Properties vp = new Properties();
>             vp.setProperty("file.resource.loader.path",
> templatesDirectory + "/");
> 
>             VelocityEngine ve = new VelocityEngine();
> 
>             ve.setProperty(VelocityEngine.RUNTIME_LOG_LOGSYSTEM,
> fysclLogger);
>             ve.init(vp);
> 
>             VelocityContext context = new VelocityContext();
>             context.put("coll", coll);
>             context.put("metsArk", metsArk);
> 
>             Template template = null;
> 
>             try {
>                 FileWriter fw = new FileWriter(new File(metsDirectory +
> "/" + metsFileName));
> 
>                 template = ve.getTemplate("metsTemplate.vm");
> 
>                 template.merge(context, fw);
> 
>             } catch(ResourceNotFoundException rnfe) {
>                 System.out.println("Resource not found exception trying
> to get template: " + rnfe);
>             } catch(ParseErrorException pee) {
>                 System.out.println("Parse error exception trying to get
> template: " + pee);
>             } catch(MethodInvocationException mie) {
>                 System.out.println("Method invocation exception trying
> to get template: " + mie);
>             } catch(Exception e) {
>                 System.out.println("Exception trying to get template: "
> + e);
>             }
> 
> Here is my template (reduced for debugging):
> 
>  OBJID="${metsArk}"
>  LABEL="${coll.getTitle()}"
> 
> And here is the logging output:
> 
> Initializing Velocity, Calling init()...
> *******************************************************************
> Starting Apache Velocity v1.7 (compiled: 2010-11-19 12:14:37)
> RuntimeInstance initializing.
> Default Properties File:
> org/apache/velocity/runtime/defaults/velocity.properties
> Default ResourceManager initializing. (class
> org.apache.velocity.runtime.resource.ResourceManagerImpl)
> ResourceLoader instantiated:
> org.apache.velocity.runtime.resource.loader.FileResourceLoader
> FileResourceLoader : initialization starting.
> Do unicode file recognition:  false
> FileResourceLoader : adding path '/data/apps/fysclmgr/web/templates/'
> FileResourceLoader : initialization complete.
> ResourceCache: initialized (class
> org.apache.velocity.runtime.resource.ResourceCacheImpl) with class
> java.util.Collections$SynchronizedMap cache map.
> Default ResourceManager initialization complete.
> Loaded System Directive: org.apache.velocity.runtime.directive.Stop
> Loaded System Directive: org.apache.velocity.runtime.directive.Define
> Loaded System Directive: org.apache.velocity.runtime.directive.Break
> Loaded System Directive: org.apache.velocity.runtime.directive.Evaluate
> Loaded System Directive: org.apache.velocity.runtime.directive.Literal
> Loaded System Directive: org.apache.velocity.runtime.directive.Macro
> Loaded System Directive: org.apache.velocity.runtime.directive.Parse
> Loaded System Directive: org.apache.velocity.runtime.directive.Include
> Loaded System Directive: org.apache.velocity.runtime.directive.Foreach
> Created '20' parsers.
> Velocimacro : initialization starting.
> Velocimacro : "velocimacro.library" is not set.  Trying default library:
> VM_global_library.vm
> Velocimacro : Default library not found.
> Velocimacro : allowInline = true : VMs can be defined inline in templates
> Velocimacro : allowInlineToOverride = false : VMs defined inline may NOT
> replace previous VM definitions
> Velocimacro : allowInlineLocal = false : VMs defined inline will be
> global in scope if allowed.
> Velocimacro : autoload off : VM system will not automatically reload
> global library macros
> Velocimacro : Velocimacro : initialization complete.
> RuntimeInstance successfully initialized.
> Velocity Engine initialized
> ResourceManager : found metsTemplate.vm with loader
> org.apache.velocity.runtime.resource.loader.FileResourceLoader
> 
> 
> The result is always the same, the output file is empty.
> 
> 
> And ideas about what I can try?
> 

Try adding a fw.close() at the end?