public String execute()

in jspwiki-main/src/main/java/org/apache/wiki/plugin/BugReportHandler.java [80:163]
68 lines of code
17 McCabe index (conditional complexity)

    public String execute( final Context context, final Map< String, String > params ) throws PluginException {
        final String title = params.get( PARAM_TITLE );
        String description = params.get( PARAM_DESCRIPTION );
        String version = params.get( PARAM_VERSION );
        String submitter = null;
        final SimpleDateFormat format = new SimpleDateFormat( DEFAULT_DATEFORMAT );
        final ResourceBundle rb = Preferences.getBundle( context, Plugin.CORE_PLUGINS_RESOURCEBUNDLE );
        final Principal wup = context.getCurrentUser();

        if( wup != null ) {
            submitter = wup.getName();
        }

        if( title == null ) {
            throw new PluginException(rb.getString("bugreporthandler.titlerequired"));
        }
        if( title.isEmpty() ) {
            return "";
        }

        if( description == null ) {
            description = "";
        }
        if( version == null ) {
            version = "unknown";
        }

        final Properties mappings = parseMappings( params.get( PARAM_MAPPINGS ) );

        //  Start things
        try {
            final StringWriter str = new StringWriter();
            final PrintWriter out = new PrintWriter( str );
            final Date d = new Date();

            //  Outputting of basic data
            out.println( "|" + mappings.getProperty(PARAM_TITLE,"Title" ) + "|" + title );
            out.println( "|" + mappings.getProperty("date","Date" ) + "|" + format.format( d ) );
            out.println( "|" + mappings.getProperty(PARAM_VERSION,"Version" ) + "|" + version );
            if( submitter != null ) {
                out.println("|"+mappings.getProperty("submitter","Submitter") + "|" + submitter );
            }

            //  Outputting the other parameters added to this.
            for( final Map.Entry< String, String > entry : params.entrySet() ) {
                if( !( entry.getKey().equals( PARAM_TITLE ) ||
                       entry.getKey().equals( PARAM_DESCRIPTION ) ||
                       entry.getKey().equals( PARAM_VERSION ) ||
                       entry.getKey().equals( PARAM_MAPPINGS ) ||
                       entry.getKey().equals( PARAM_PAGE ) ||
                       entry.getKey().startsWith( "_" )
                     ) ) {
                    //  If no mapping has been defined, just ignore it.
                    final String head = mappings.getProperty( entry.getKey(), entry.getKey() );
                    if( !head.isEmpty() ) {
                        out.println( "|" + head + "|" + entry.getValue() );
                    }
                }
            }

            out.println();
            out.println( description );
            out.close();

            //  Now create a new page for this bug report
            final String pageName = findNextPage( context, title, TextUtil.replaceEntities(params.get( PARAM_PAGE )) );
            final Page newPage = Wiki.contents().page( context.getEngine(), pageName );
            final Context newContext = context.clone();
            newContext.setPage( newPage );
            context.getEngine().getManager( PageManager.class ).saveText( newContext, str.toString() );

            final MessageFormat formatter = new MessageFormat("");
            formatter.applyPattern( rb.getString("bugreporthandler.new") );
            final String[] args = { "<a href=\""+context.getViewURL(pageName)+"\">"+pageName+"</a>" };

            return formatter.format( args );
        } catch( final RedirectException e ) {
            LOG.info("Saving not allowed, reason: '"+e.getMessage()+"', can't redirect to "+e.getRedirect());
            throw new PluginException("Saving not allowed, reason: "+e.getMessage());
        } catch( final WikiException e ) {
            LOG.error( "Unable to save page!", e );
            return rb.getString("bugreporthandler.unable" );
        }
    }