接口 FieldSet

方法详细资料

• getNames

  java.lang.String[] getNames()

  Accessor for the names of the fields.

  返回:

  the names

  抛出:

  java.lang.IllegalStateException - if the names are not defined

• hasNames

  boolean hasNames()

  Check if there are names defined for the fields.

  返回:

  true if there are names for the fields

• getValues

  java.lang.String[] getValues()

  返回:

  fields wrapped by this 'FieldSet' instance as String values.

• readString

  java.lang.String readString​(int index)

  Read the String value at index 'index'.

  参数:

  index - the field index.

  返回:

  String containing the value at the index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readString

  java.lang.String readString​(java.lang.String name)

  Read the String value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  String containing the value from the specified name.

• readRawString

  java.lang.String readRawString​(int index)

  Read the String value at index 'index' including trailing whitespace (don't trim).

  参数:

  index - the field index.

  返回:

  String containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readRawString

  java.lang.String readRawString​(java.lang.String name)

  Read the String value from column with given 'name' including trailing whitespace (don't trim).

  参数:

  name - the field name.

  返回:

  String containing the value from the specified name.

• readBoolean

  boolean readBoolean​(int index)

  Read the 'boolean' value at index 'index'.

  参数:

  index - the field index.

  返回:

  boolean containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readBoolean

  boolean readBoolean​(java.lang.String name)

  Read the 'boolean' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  boolean containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readBoolean

  boolean readBoolean​(int index,
                      java.lang.String trueValue)

  Read the 'boolean' value at index 'index'.

  参数:

  index - the field index.

  trueValue - the value that signifies true; case-sensitive.

  返回:

  boolean containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds, or if the supplied trueValue is null.

• readBoolean

  boolean readBoolean​(java.lang.String name,
                      java.lang.String trueValue)

  Read the 'boolean' value from column with given 'name'.

  参数:

  name - the field name.

  trueValue - the value that signifies true; case-sensitive.

  返回:

  boolean containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined, or if the supplied trueValue is null.

• readChar

  char readChar​(int index)

  Read the 'char' value at index 'index'.

  参数:

  index - the field index.

  返回:

  char containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readChar

  char readChar​(java.lang.String name)

  Read the 'char' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  char containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readByte

  byte readByte​(int index)

  Read the 'byte' value at index 'index'.

  参数:

  index - the field index.

  返回:

  byte containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readByte

  byte readByte​(java.lang.String name)

  Read the 'byte' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  byte containing the value from the specified name.

• readShort

  short readShort​(int index)

  Read the 'short' value at index 'index'.

  参数:

  index - the field index.

  返回:

  short containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readShort

  short readShort​(java.lang.String name)

  Read the 'short' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  short containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readInt

  int readInt​(int index)

  Read the 'int' value at index 'index'.

  参数:

  index - the field index.

  返回:

  int containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readInt

  int readInt​(java.lang.String name)

  Read the 'int' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  int containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readInt

  int readInt​(int index,
              int defaultValue)

  Read the 'int' value at index 'index', using the supplied defaultValue if the field value is blank.

  参数:

  index - the field index.

  defaultValue - the value to use if the field value is blank.

  返回:

  int containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readInt

  int readInt​(java.lang.String name,
              int defaultValue)

  Read the 'int' value from column with given 'name', using the supplied defaultValue if the field value is blank.

  参数:

  name - the field name.

  defaultValue - the value to use if the field value is blank.

  返回:

  int containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readLong

  long readLong​(int index)

  Read the 'long' value at index 'index'.

  参数:

  index - the field index.

  返回:

  long containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readLong

  long readLong​(java.lang.String name)

  Read the 'long' value from column with given 'name'.

  参数:

  name - the field name.

  返回:

  long containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readLong

  long readLong​(int index,
                long defaultValue)

  Read the 'long' value at index 'index', using the supplied defaultValue if the field value is blank.

  参数:

  index - the field index.

  defaultValue - the value to use if the field value is blank.

  返回:

  long containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readLong

  long readLong​(java.lang.String name,
                long defaultValue)

  Read the 'long' value from column with given 'name', using the supplied defaultValue if the field value is blank.

  参数:

  name - the field name.

  defaultValue - the value to use if the field value is blank.

  返回:

  long containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readFloat

  float readFloat​(int index)

  Read the 'float' value at index 'index'.

  参数:

  index - the field index.

  返回:

  float containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readFloat

  float readFloat​(java.lang.String name)

  Read the 'float' value from column with given 'name.

  参数:

  name - the field name.

  返回:

  float containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readDouble

  double readDouble​(int index)

  Read the 'double' value at index 'index'.

  参数:

  index - the field index.

  返回:

  double containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readDouble

  double readDouble​(java.lang.String name)

  Read the 'double' value from column with given 'name.

  参数:

  name - the field name.

  返回:

  double containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readBigDecimal

  java.math.BigDecimal readBigDecimal​(int index)

  Read the BigDecimal value at index 'index'.

  参数:

  index - the field index.

  返回:

  BigDecimal containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readBigDecimal

  java.math.BigDecimal readBigDecimal​(java.lang.String name)

  Read the BigDecimal value from column with given 'name.

  参数:

  name - the field name.

  返回:

  BigDecimal containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readBigDecimal

  java.math.BigDecimal readBigDecimal​(int index,
                                      java.math.BigDecimal defaultValue)

  Read the BigDecimal value at index 'index', returning the supplied defaultValue if the trimmed string value at index 'index' is blank.

  参数:

  index - the field index.

  defaultValue - the value to use if the field value is blank.

  返回:

  BigDecimal containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

• readBigDecimal

  java.math.BigDecimal readBigDecimal​(java.lang.String name,
                                      java.math.BigDecimal defaultValue)

  Read the BigDecimal value from column with given 'name, returning the supplied defaultValue if the trimmed string value at index 'index' is blank.

  参数:

  name - the field name.

  defaultValue - the default value to use if the field is blank

  返回:

  BigDecimal containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readDate

  java.util.Date readDate​(int index)

  Read the java.util.Date value in default format at designated column index.

  参数:

  index - the field index.

  返回:

  Date containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

  java.lang.IllegalArgumentException - if the value is not parseable

  java.lang.NullPointerException - if the value is empty

• readDate

  java.util.Date readDate​(java.lang.String name)

  Read the java.sql.Date value in given format from column with given name.

  参数:

  name - the field name.

  返回:

  Date containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined or if the value is not parseable

  java.lang.NullPointerException - if the value is empty

• readDate

  java.util.Date readDate​(int index,
                          java.util.Date defaultValue)

  Read the java.util.Date value in default format at designated column index.

  参数:

  index - the field index.

  defaultValue - the default value to use if the field is blank

  返回:

  Date containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

  java.lang.IllegalArgumentException - if the value is not parseable

  java.lang.NullPointerException - if the value is empty

• readDate

  java.util.Date readDate​(java.lang.String name,
                          java.util.Date defaultValue)

  Read the java.sql.Date value in given format from column with given name.

  参数:

  name - the field name.

  defaultValue - the default value to use if the field is blank

  返回:

  Date containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined.

• readDate

  java.util.Date readDate​(int index,
                          java.lang.String pattern)

  Read the java.util.Date value in default format at designated column index.

  参数:

  index - the field index.

  pattern - the pattern describing the date and time format

  返回:

  Date containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

  java.lang.IllegalArgumentException - if the date cannot be parsed.

• readDate

  java.util.Date readDate​(java.lang.String name,
                          java.lang.String pattern)

  Read the java.sql.Date value in given format from column with given name.

  参数:

  name - the field name.

  pattern - the pattern describing the date and time format

  返回:

  Date containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined or if the specified field cannot be parsed

• readDate

  java.util.Date readDate​(int index,
                          java.lang.String pattern,
                          java.util.Date defaultValue)

  Read the java.util.Date value in default format at designated column index.

  参数:

  index - the field index.

  pattern - the pattern describing the date and time format

  defaultValue - the default value to use if the field is blank

  返回:

  Date containing the value from the specified index.

  抛出:

  java.lang.IndexOutOfBoundsException - if the index is out of bounds.

  java.lang.IllegalArgumentException - if the date cannot be parsed.

• readDate

  java.util.Date readDate​(java.lang.String name,
                          java.lang.String pattern,
                          java.util.Date defaultValue)

  Read the java.sql.Date value in given format from column with given name.

  参数:

  name - the field name.

  pattern - the pattern describing the date and time format

  defaultValue - the default value to use if the field is blank

  返回:

  Date containing the value from the specified name.

  抛出:

  java.lang.IllegalArgumentException - if a column with given name is not defined or if the specified field cannot be parsed

• getFieldCount

  int getFieldCount()

  Return the number of fields in this 'FieldSet'.

  返回:

  int containing the number of fields in this field set.

• getProperties

  java.util.Properties getProperties()

  Construct name-value pairs from the field names and string values. Null values are omitted.

  返回:

  some properties representing the field set.

  抛出:

  java.lang.IllegalStateException - if the field name meta data is not available.