private void download()

in src/main/java/org/apache/maven/plugins/jira/ClassicJiraDownloader.java [339:433]
78 lines of code
10 McCabe index (conditional complexity)

    private void download( final HttpClient cl, final String link )
    {
        InputStream in = null;
        OutputStream out = null;
        try
        {
            GetMethod gm = new GetMethod( link );

            getLog().info( "Downloading from JIRA at: " + link );

            gm.setFollowRedirects( true );

            cl.executeMethod( gm );

            StatusLine sl = gm.getStatusLine();

            if ( sl == null )
            {
                getLog().error( "Unknown error validating link: " + link );

                return;
            }

            // if we get a redirect, do so
            if ( gm.getStatusCode() == HttpStatus.SC_MOVED_TEMPORARILY )
            {
                Header locationHeader = gm.getResponseHeader( "Location" );

                if ( locationHeader == null )
                {
                    getLog().warn( "Site sent redirect, but did not set Location header" );
                }
                else
                {
                    String newLink = locationHeader.getValue();

                    getLog().debug( "Following redirect to " + newLink );

                    download( cl, newLink );
                }
            }

            if ( gm.getStatusCode() == HttpStatus.SC_OK )
            {
                in = gm.getResponseBodyAsStream();

                if ( !output.getParentFile().exists() )
                {
                    output.getParentFile().mkdirs();
                }

                // write the response to file
                out = new FileOutputStream( output );
                IOUtil.copy( in, out );
                out.close();
                out = null;
                in.close();
                in = null;

                getLog().debug( "Downloading from JIRA was successful" );
            }
            else
            {
                getLog().warn( "Downloading from JIRA failed. Received: [" + gm.getStatusCode() + "]" );
            }
        }
        catch ( HttpException e )
        {
            if ( getLog().isDebugEnabled() )
            {
                getLog().error( "Error downloading issues from JIRA:", e );
            }
            else
            {
                getLog().error( "Error downloading issues from JIRA url: " + e.getLocalizedMessage() );

            }
        }
        catch ( IOException e )
        {
            if ( getLog().isDebugEnabled() )
            {
                getLog().error( "Error downloading issues from JIRA:", e );
            }
            else
            {
                getLog().error( "Error downloading issues from JIRA. Cause is " + e.getLocalizedMessage() );
            }
        }
        finally
        {
            IOUtil.close( out );
            IOUtil.close( in );
        }
    }