public void visitConstantUtf8()

in archiva-jarinfo/archiva-jarinfo-lib/src/main/java/org/apache/archiva/jarinfo/analysis/visitors/BCELImportVisitor.java [101:167]

45 lines of code
9 McCabe index (conditional complexity)


    public void visitConstantUtf8( ConstantUtf8 constantUtf8 )
    {
        String ret = constantUtf8.getBytes().trim();

        // empty strings are not class names.
        if ( ret.length() <= 0 )
        {
            return;
        }

        // Only valid characters please.
        if ( !VALID_UTF8_PATTERN.matcher( ret ).matches() )
        {
            return;
        }

        // only strings with '/' character are to be considered.
        if ( ret.indexOf( '/' ) == -1 )
        {
            return;
        }

        // Strings that start with '/' are bad too
        // Seen when Pool has regex patterns.
        if ( ret.charAt( 0 ) == '/' )
        {
            return;
        }

        // Make string more class-like.
        ret = ret.replace( '/', '.' );

        // Double ".." indicates a bad class fail-fast.
        // Seen when ConstantUTF8 Pool has regex patterns.
        if ( ret.indexOf( ".." ) != -1 )
        {
            return;
        }

        Matcher mat = QUALIFIED_IMPORT_PATTERN.matcher( ret );
        char prefix = ret.charAt( 0 );

        if ( prefix == '(' )
        {
            // A Method Declaration.

            // Loop for each Qualified Class found.
            while ( mat.find() )
            {
                this.imports.add( mat.group( 1 ) );
            }
        }
        else
        {
            // A Variable Declaration.
            if ( mat.find() )
            {
                // Add a UTF8 Qualified Class reference.
                this.imports.add( mat.group( 1 ) );
            }
            else
            {
                // Add a simple Class reference.
                this.imports.add( ret );
            }
        }
    }