private boolean getAnchorLegacyMetadataFromSingleData ( ValueMap resourceProps , Element element ) { boolean foundAny = false ; JSONObject metadata = null ; Attribute dataAttribute = element . getAttribute ( "data" ) ; if ( dataAttribute != null ) { String metadataString = dataAttribute . getValue ( ) ; if ( StringUtils . isNotEmpty ( metadataString ) ) { try { metadata = new JSONObject ( metadataString ) ; } catch ( JSONException ex ) { log . debug ( "Invalid link metadata: " + metadataString , ex ) ; } } } if ( metadata != null ) { JSONArray names = metadata . names ( ) ; for ( int i = 0 ; i < names . length ( ) ; i ++ ) { String name = names . optString ( i ) ; resourceProps . put ( name , metadata . opt ( name ) ) ; foundAny = true ; } } return foundAny ; }
Support legacy data structures where link metadata is stored as JSON fragment in single HTML5 data attribute .