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features () ²éѯ֧³ÖµÄ¹¦ÄÜ·þÎñÆ÷¡£ int getBufferSize () ¼ìË÷µ±Ç°µÄÄÚ²¿»º³åÇøµÄ´óС¡£ int getDataConnectionMode () ·µ»Øµ±Ç°µÄÊý¾ÝÁ¬½Óģʽ£¨Ò»_DATA_CONNECTION_MODE³£Êý¡£ protected String getListArguments ( String pathname) boolean getListHiddenFiles () String getModificationTime ( String pathname) ÎÊÌâµÄFTP MDTMÃüÁ²¢·ÇËùÓеķþÎñÆ÷Ö§³Ö£¬ÒÔ»ñȡһ¸öÎļþµÄ×îºóÐÞ¸Äʱ¼ä¡£ String getPassiveHost () ·µ»ØµÄÖ÷»úÃû»òIPµØÖ·£¨ÔÚÒ»¸ö×Ö·û´®µÄÐÎʽ£©Ê±£¬ÓÉ·þÎñÆ÷·µ»Ø½øÈë±»¶¯Ä£Ê½¡£ int getPassivePort () Èç¹ûÔÚ±»¶¯Ä£Ê½Ï£¬·µ»Ø±»¶¯Ö÷»úµÄÊý¾Ý¶Ë¿Ú¡£ long getRestartOffset () ß¢È¡ÖØÐÂÆô¶¯ËùµÖÏû¡£ String getStatus () STATÃüÁî·¢³öµÄFTP·þÎñÆ÷¡£ String getStatus ( String pathname) STATÃüÁî·¢³öµÄFTPµÄ·þÎñÆ÷Ϊ¸ø¶¨µÄ·¾¶Ãû¡£ String getSystemName () ¡£ÆúÓà ʹÓÃgetSystemType() -²»·µ»Ønull¡£ ½«3.0°æÖÐɾ³ý String getSystemType () ´Ó·þÎñÆ÷»ñÈ¡²¢·µ»Ø×Ö·û´®ÏµÍ³ÀàÐÍ¡£ FTPListParseEngine initiateListParsing () ʹÓÃĬÈϵÄ×Ô¶¯¼ì²â»úÖÆ£¬³õʼ»¯FTPListParseEngine¶ÔÏ󣬰üº¬Á˵±Ç°¹¤×÷µÄÕâЩÐÅÏ¢ÊÇͨ¹ýLISTÃüÁî»ñÈ¡·þÎñÆ÷Ŀ¼ÖеÄÔʼÎļþÐÅÏ¢¡£ FTPListParseEngine 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