如何在Java中读取带分隔符的文本文件?

问题描述 投票:1回答:2

我们有来自SFTP的以下SEQ文件:

TSID ,D4 ; TEST ID # (PRIMARY)
TSNAME,A15 ; TEST NAME COMMON (ALTERNATE)
TSRNAM ,A15 ; PORT NAME
TSRELO ,A5 ; TEST REPEAT LOW VALUE
TSREHI ,A5 ; TEST REPEAT HIGH VALUE
TSSSRQ ,D2 ; SAMPLE SIZE REQ.
TSCTYP ,D2 ; CONTAINER TYPE
TSSUOM,A6 ; SAMPLE UNIT OF MEAS
TSINDX ,D4 ; WIDE REPORTING INDEX (ALTERNATE)
TSWKLF ,D2 ; WORKLIST FORMAT
TSMCCD,A8 ; MEDICARE CODE + MODIFIER 1 (ALTERNATE)
TSTADY ,D3 ; RESULT TURN-AROUND TIME IN DAYS
TSENOR ,A1 ; TEST HAS EXPANDED NORMALS Y/N
TSSRPT ,A1 ; ELIGIBLE FOR STATE NOTIFICATION REPORT Y/N
TSPLAB ,D2 ; SENDOUT LAB 

文件的内容是简单的文本,例如:

0001MONTH COMPOSITE                                     12319909110940                                                                                                                                MONTH COMPOSITE                                     
0002MONTHLY CAPD                                        12319909120944                                                                                                                                MONTHLY CAPD                                        
0003CAPD MONTHLY LS                                     123199100110021004100510081010101210151016101811620944105917931794                                                                            CAPD MONTHLY LS                                     
0004CCPD MONTHLY LS                                     12319910011002100410051007100810101012101510161018116209400942105917931794                                                                    CCPD MONTHLY LS                                     
0005HD MONTHLY LS                                       1231991001100210041005100710081010101210151016101809400942105917931794                                                                        HD MONTHLY LS                                       

是否有任何Java内部包(或第三方Java库)可用于读取文件分隔文件(.SEQ),以便使用某种转换器将每个值直接分配给POJO?

例如:

public class ra(){
  @SomethigLength (0,4)
  private String tsId;
  @SomethigLength (4,15)
  private String tsName;
}

((请注意,我们在这里使用Apache Camel,但我认为骆驼与任何简单的库相比都可能比较复杂?)

java apache-camel transformation mapper delimited-text
2个回答
0
投票

0
投票

您可以对固定长度记录(https://camel.apache.org/components/latest/bindy-dataformat.html#_4_fixedlengthrecord)使用camel-bindy

所以您的课程将像:

    @FixedLengthRecord(length = 15, paddingChar = ' ')
    public class Fastbox {

        @DataField(pos = 1, length = 4, align = "L")
        private String tsId; 

        @DataField(pos = 2, length = 11, align = "L")
        private String tsName; 
    }

并且使用unmarshal(),您可以将文件转换为Java对象。

更多详细信息在上面的链接中。

希望它会有所帮助!

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