public synchronized InputStream getResourceStream()

in src/main/java/org/apache/maven/plugins/resource/loader/ProjectResourceLoader.java [85:143]
32 lines of code
8 McCabe index (conditional complexity)

    public synchronized InputStream getResourceStream( String templateName )
        throws ResourceNotFoundException
    {
        /*
         * Make sure we have a valid templateName.
         */
        if ( templateName == null || templateName.length() == 0 )
        {
            /*
             * If we don't get a properly formed templateName then there's not much we can do. So we'll forget about
             * trying to search any more paths for the template.
             */
            throw new ResourceNotFoundException( "Need to specify a file name or file path!" );
        }

        String template = StringUtils.normalizePath( templateName );
        if ( template == null || template.length() == 0 )
        {
            String msg = "Project Resource loader error : argument " + template
                + " contains .. and may be trying to access " + "content outside of template root.  Rejected.";

            rsvc.getLog().error( "ProjectResourceLoader : " + msg );

            throw new ResourceNotFoundException( msg );
        }

        /*
         * if a / leads off, then just nip that :)
         */
        if ( template.startsWith( "/" ) )
        {
            template = template.substring( 1 );
        }

        // MCHANGES-118 adding the basedir path
        paths.add( (String) rsvc.getApplicationAttribute( "baseDirectory" ) );

        for ( String path : paths )
        {
            InputStream inputStream = findTemplate( path, template );

            if ( inputStream != null )
            {
                /*
                 * Store the path that this template came from so that we can check its modification time.
                 */

                templatePaths.put( templateName, path );
                return inputStream;
            }
        }

        /*
         * We have now searched all the paths for templates and we didn't find anything so throw an exception.
         */
        String msg = "ProjectResourceLoader Error: cannot find resource " + template;

        throw new ResourceNotFoundException( msg );
    }