[jira] [Commented] (CAMEL-7752) filter with camel sftp is returnin NullPointerException

[Raghavan (JIRA)]

    [ 
https://issues.apache.org/jira/browse/CAMEL-7752?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14111944#comment-14111944
 ] 

Raghavan commented on CAMEL-7752:
---------------------------------

The NPE is raised under 
return file.getFileName().endsWith(".xml");

So added the if condition to check the file object and observed that 
getFileName was returning null 
if(file !=null && file.getFileName() != null) { 
                        return file.getFileName().endsWith(".xml");
}



> filter with camel sftp is returnin NullPointerException
> -------------------------------------------------------
>
>                 Key: CAMEL-7752
>                 URL: https://issues.apache.org/jira/browse/CAMEL-7752
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-ftp
>    Affects Versions: 2.10.0
>         Environment: Windows 7, RedHat Linux 5.x
>            Reporter: Raghavan
>              Labels: GenericFile, camel-ftp, filter, ftp
>
> We are testing camel sftp with filter options to restrict the source files 
> using a pattern.
> We get a NullPointerException when try to use a filter (CustomFilter)
> Attached herewith the code snippet
> [[CodeSnippet]]
> <beans xmlns="http://www.springframework.org/schema/beans";
>       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; 
> xmlns:camel="http://camel.apache.org/schema/spring";
>       xsi:schemaLocation="
>        http://www.springframework.org/schema/beans 
> http://www.springframework.org/schema/beans/spring-beans.xsd
>        http://camel.apache.org/schema/spring 
> http://camel.apache.org/schema/spring/camel-spring.xsd";>
>       <camelContext xmlns="http://camel.apache.org/schema/spring";>
>       <camel:propertyPlaceholder id="ftpadapterProperty" 
> location="classpath:ftpadapter.properties"/>
>               
>               <!-- The file filter is to be tested -->
>               <route>
>                       <from 
> uri="sftp://{{ftp.user}}@{{ftp.host}}/{{ftp.remote.dir}}?password={{ftp.pwd}}&amp;separator=UNIX&amp;recursive={{ftp.dir.recursive}}&amp;binary=true&amp;delete={{ftp.deletefiles}}&amp;stepwise={{ftp.stepwise}}&amp;delay={{ftp.pollinginterval}}&amp;filter=#fileFilter"/>
>                       <to 
> uri="file://{{local.dir}}?fileName=${date:now:yyyyMMddhhmmss}_${file:onlyname.noext}.${file:ext}"/>
>                       <log message="Routing message from remote server to 
> target folder with data ${body}" />
>               </route>
>       </camelContext>    
>     
>       <bean id="fileFilter" class="org.myapp.ftpadapter.FileFilter"/>
>       
> </beans>
> FileFilter src:
> public class FileFilter<T> implements GenericFileFilter<T> {
>       private static Logger logger = 
> LoggerFactory.getLogger(FileFilter.class);
>       
>       /* The purpose of this method is to apply a custom filter based on file 
> pattern
>        * This enables the ftp adapter to filter files based on the criteria 
> implemented here
>        * (non-Javadoc)
>        * @see 
> org.apache.camel.component.file.GenericFileFilter#accept(org.apache.camel.component.file.GenericFile)
>        */
>       public boolean accept(GenericFile<T> file) {
>               
>               if(logger.isDebugEnabled()) {
>                       logger.debug("IsDirectory=" + file.isDirectory());
>                       logger.debug("FileName="+file.getFileName());
>               }
>               
>               if(file !=null && file.getFileName() != null) { 
>                       return file.getFileName().endsWith(".xml");
>               }
>               else {
>                       return false;
>               }
>       }
> }
> [[/CodeSnippet]]



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