public String getHoverInfo()

in plugins/ldapbrowser.common/src/main/java/org/apache/directory/studio/ldapbrowser/common/filtereditor/FilterTextHover.java [81:173]
86 lines of code
27 McCabe index (conditional complexity)

    public String getHoverInfo( ITextViewer textViewer, IRegion hoverRegion )
    {
        // check attribute type, object class or matching rule values
        if ( schema != null )
        {
            LdapFilter filter = parser.getModel().getFilter( hoverRegion.getOffset() );

            if ( filter.getFilterComponent() instanceof LdapFilterItemComponent )
            {
                LdapFilterItemComponent fc = ( LdapFilterItemComponent ) filter.getFilterComponent();
                if ( fc.getAttributeToken() != null
                    && fc.getAttributeToken().getOffset() <= hoverRegion.getOffset()
                    && hoverRegion.getOffset() <= fc.getAttributeToken().getOffset()
                        + fc.getAttributeToken().getLength() )
                {
                    String attributeType = fc.getAttributeToken().getValue();
                    AttributeType attributeTypeDescription = schema
                        .getAttributeTypeDescription( attributeType );
                    String ldifLine = SchemaUtils.getLdifLine( attributeTypeDescription );
                    return ldifLine;
                }
                if ( fc.getAttributeToken() != null
                    && SchemaConstants.OBJECT_CLASS_AT.equalsIgnoreCase( fc.getAttributeToken().getValue() )
                    && fc.getValueToken() != null && fc.getValueToken().getOffset() <= hoverRegion.getOffset()
                    && hoverRegion.getOffset() <= fc.getValueToken().getOffset() + fc.getValueToken().getLength() )
                {
                    String objectClass = fc.getValueToken().getValue();
                    ObjectClass objectClassDescription = schema.getObjectClassDescription( objectClass );
                    String ldifLine = SchemaUtils.getLdifLine( objectClassDescription );
                    return ldifLine;
                }
            }
            if ( filter.getFilterComponent() instanceof LdapFilterExtensibleComponent )
            {
                LdapFilterExtensibleComponent fc = ( LdapFilterExtensibleComponent ) filter.getFilterComponent();
                if ( fc.getAttributeToken() != null
                    && fc.getAttributeToken().getOffset() <= hoverRegion.getOffset()
                    && hoverRegion.getOffset() <= fc.getAttributeToken().getOffset()
                        + fc.getAttributeToken().getLength() )
                {
                    String attributeType = fc.getAttributeToken().getValue();
                    AttributeType attributeTypeDescription = schema
                        .getAttributeTypeDescription( attributeType );
                    String ldifLine = SchemaUtils.getLdifLine( attributeTypeDescription );
                    return ldifLine;
                }
                if ( fc.getMatchingRuleToken() != null
                    && fc.getMatchingRuleToken().getOffset() <= hoverRegion.getOffset()
                    && hoverRegion.getOffset() <= fc.getMatchingRuleToken().getOffset()
                        + fc.getMatchingRuleToken().getLength() )
                {
                    String matchingRule = fc.getMatchingRuleToken().getValue();
                    MatchingRule matchingRuleDescription = schema.getMatchingRuleDescription( matchingRule );
                    String info = SchemaUtils.getLdifLine( matchingRuleDescription );
                    return info;
                }
            }
        }

        // check invalid tokens
        LdapFilter[] invalidFilters = parser.getModel().getInvalidFilters();
        for ( int i = 0; i < invalidFilters.length; i++ )
        {
            if ( invalidFilters[i].getStartToken() != null )
            {
                int start = invalidFilters[i].getStartToken().getOffset();
                int stop = invalidFilters[i].getStopToken() != null ? invalidFilters[i].getStopToken().getOffset()
                    + invalidFilters[i].getStopToken().getLength() : start
                    + invalidFilters[i].getStartToken().getLength();
                if ( start <= hoverRegion.getOffset() && hoverRegion.getOffset() < stop )
                {
                    return invalidFilters[i].getInvalidCause();
                }
            }
        }

        // check error tokens
        LdapFilterToken[] tokens = parser.getModel().getTokens();
        for ( int i = 0; i < tokens.length; i++ )
        {
            if ( tokens[i].getType() == LdapFilterToken.ERROR )
            {

                int start = tokens[i].getOffset();
                int stop = start + tokens[i].getLength();
                if ( start <= hoverRegion.getOffset() && hoverRegion.getOffset() < stop )
                {
                    return Messages.getString( "FilterTextHover.InvalidCharacters" ); //$NON-NLS-1$
                }
            }
        }
        return null;
    }