org.dbflute.helper.token.file

インタフェース FileMakingRowWriter

public interface FileMakingRowWriter

The writer of row for file making.

 File tsvFile = ... // output file
 List<String> columnNameList = ... // columns for header
 FileToken fileToken = new FileToken();
 fileToken.make(new FileOutputStream(tsvFile), writer -> {
     for (Member member : ...) { // output data loop
         List<String> valueList = ...; // convert the member to the row resource
         writer.writeRow(valueList); // Yes, you write!
     }
 }, op -> op.delimitateByTab().encodeAsUTF8().headerInfo(columnNameList));
 

作成者:

jflute

メソッドのサマリー

修飾子とタイプ	メソッドと説明
void	writeRow(List<String> valueList) Write the row as value list to token file.
void	writeRow(Map<String,String> columnValueMap) Write the row as column-key value map to token file.

メソッドの詳細

writeRow

void writeRow(List<String> valueList)
       throws IOException

Write the row as value list to token file.
Not Collection type because order is important here.

パラメータ:

valueList - The list of value for row. (NotNull, NotEmpty)

例外:

IOException - When the file writing failed.

writeRow

void writeRow(Map<String,String> columnValueMap)
       throws IOException

Write the row as column-key value map to token file.
Unordered map is allowed by key-mapping. (according to header's column order)

パラメータ:

columnValueMap - The map of column-key value for row. (NotNull, NotEmpty)

例外:

IOException - When the file writing failed.