/wro4j-core/src/main/java/ro/isdc/wro/model/resource/processor/impl/css/AbstractCssImportPreProcessor.java
stack.pop( ) ;reader.close( ) ;
reader.close ( ) ;
validate(); try { final String result = parseCss(resource, IOUtils.toString(reader)); writer.write(result); } finally { clearProcessedImports(); <extra_id_0> writer.close(); } } private void validate() { Validate.notNull(uriLocatorFactory); }