Java中的嵌套重复组CSV到XML

我需要将复杂的嵌套分组csv文件转换为xml。我会包括一个样品。 因为我对Java还不够了解，所以我希望在这里得到一些建议

MEPMD01,20080501,SUSNES,TEST:130000,45869713,1111111111,201010090016,,OK,E,SKWHREG,1.0,00000100,2,201010041359,R0,86,201010080359,R0,134
MEPMD01,20080501,SUSNES,TEST:130000,45869713,1111111111,201010090016,,OK,E,SKWH,1.0,00000100,48,201010041459,R0,4,201010041559,R0,4,201010041659,R0,1,201010041759,R0,0,201010041859,R0,0,201010041959,R0,0,201010042059,R0,0,201010042200,R0,2,201010042300,R0,0,201010050000,R0,0,201010050100,R0,0,201010050200,R0,0,201010050300,R0,0,201010050400,R0,0,201010050459,R0,0,201010050559,R0,0,201010050659,R0,0,201010050759,R0,0,201010050859,R0,0,201010050959,R0,0,201010051059,R0,0,201010051159,R0,0,201010051259,R0,3,201010051359,R0,3,201010051459,R0,3,201010051559,R0,0,201010051700,R0,0,201010051800,R0,0,201010051900,R0,0,201010052000,R0,0,201010052059,R0,0,201010052159,R0,0,201010052259,R0,0,201010052359,R0,0,201010060059,R0,0,201010060159,R0,0,201010060259,R0,0,201010060359,R0,0,201010060459,R0,0,201010060559,R0,0,201010060659,R0,0,201010060759,R0,1,201010060859,R0,0,201010060959,R0,0,201010061059,R0,0,201010061159,R0,0,201010061259,R0,2,201010061359,R0,4
MEPMD01,20080501,SUSNES,TEST:130000,45869713,1111111111,201010090016,,OK,E,SKWH,1.0,00000100,38,201010061459,R0,4,201010061600,R0,2,201010061700,R0,0,201010061800,R0,0,201010061900,R0,1,201010062000,R0,0,201010062100,R0,0,201010062200,R0,0,201010062300,R0,0,201010070000,R0,0,201010070100,R0,0,201010070200,R0,0,201010070300,R0,0,201010070400,R0,0,201010070500,R0,0,201010070600,R0,0,201010070700,R0,0,201010070800,R0,0,201010070900,R0,0,201010071000,R0,0,201010071100,R0,0,201010071159,R0,0,201010071259,R0,3,201010071359,R0,4,201010071459,R0,4,201010071600,R0,0,201010071700,R0,1,201010071800,R0,0,201010071900,R0,0,201010072000,R0,1,201010072100,R0,1,201010072200,R0,0,201010072300,R0,0,201010080000,R0,0,201010080059,R0,0,201010080159,R0,0,201010080259,R0,0,201010080359,R0,0
MEPMD01,20080501,SUSNES,TEST:130000,45877480,3232232111,201010090016,,OK,E,SKWHREG,1.0,00000100,2,201010041400,R0,5,201010080400,R0,7
MEPMD01,20080501,SUSNES,TEST:130000,45877480,3232232111,201010090016,,OK,E,SKWH,1.0,00000100,48,201010041459,R0,0,201010041559,R0,0,201010041659,R0,0,201010041759,R0,0,201010041859,R0,0,201010041959,R0,0,201010042059,R0,0,201010042159,R0,0,201010042300,R0,0,201010050000,R0,0,201010050100,R0,0,201010050200,R0,0,201010050259,R0,0,201010050359,R0,0,201010050459,R0,0,201010050559,R0,1,201010050659,R0,0,201010050759,R0,0,201010050859,R0,0,201010050959,R0,0,201010051100,R0,0,201010051200,R0,0,201010051300,R0,0,201010051359,R0,0,201010051459,R0,0,201010051559,R0,0,201010051659,R0,0,201010051759,R0,0,201010051859,R0,0,201010051959,R0,0,201010052059,R0,0,201010052159,R0,0,201010052259,R0,0,201010052359,R0,0,201010060059,R0,0,201010060159,R0,0,201010060259,R0,0,201010060359,R0,0,201010060459,R0,0,201010060559,R0,0,201010060659,R0,0,201010060800,R0,0,201010060900,R0,0,201010061000,R0,0,201010061100,R0,0,201010061159,R0,0,201010061259,R0,0,201010061359,R0,0
MEPMD01,20080501,SUSNES,TEST:130000,45877480,3232232111,201010090016,,OK,E,SKWH,1.0,00000100,38,201010061459,R0,0,201010061559,R0,0,201010061659,R0,0,201010061759,R0,0,201010061859,R0,0,201010061959,R0,0,201010062059,R0,0,201010062159,R0,0,201010062259,R0,0,201010062359,R0,0,201010070059,R0,0,201010070159,R0,0,201010070259,R0,0,201010070359,R0,0,201010070459,R0,0,201010070559,R0,0,201010070659,R0,0,201010070759,R0,0,201010070859,R0,0,201010070959,R0,0,201010071059,R0,0,201010071159,R0,0,201010071300,R0,1,201010071400,R0,0,201010071500,R0,0,201010071559,R0,0,201010071659,R0,0,201010071759,R0,0,201010071859,R0,0,201010071959,R0,0,201010072059,R0,0,201010072159,R0,0,201010072259,R0,0,201010072359,R0,0,201010080100,R0,0,201010080200,R0,0,201010080300,R0,0,201010080400,R0,0

第一行描述以下记录，有些列可以省略

这将是一条xml记录

201010061459,R0,4

字符串201010061459，R0,4不是XML。在任何人能够提供帮助之前，您需要发布一个有意义的问题，显示您拥有的输入、预期的输出和有效的XML，以及您希望如何将输入转换为输出，除非这是显而易见的。这里输入与输出之间的关系还不清楚。