程序包 org.springframework.batch.item.file.transform

类 DefaultFieldSet

  • 所有已实现的接口:
    FieldSet
    public class DefaultFieldSet
extends java.lang.Object
implements FieldSet
    Default implementation of FieldSet using Java using Java primitive and standard types and utilities. Strings are trimmed before parsing by default, and so are plain String values.
    作者:
    Rob Harrop, Dave Syer

    • 构造器概要

      构造器 
      构造器说明
      DefaultFieldSet​(java.lang.String[] tokens)
      Create a FieldSet with anonymous tokens.
      DefaultFieldSet​(java.lang.String[] tokens, java.lang.String[] names)
      Create a FieldSet with named tokens.

    • 方法概要

      所有方法 实例方法 具体方法 
      修饰符和类型方法说明
      booleanequals​(java.lang.Object object) 
      intgetFieldCount()
      Return the number of fields in this 'FieldSet'.
      java.lang.String[]getNames()
      Accessor for the names of the fields.
      java.util.PropertiesgetProperties()
      Construct name-value pairs from the field names and string values.
      java.lang.String[]getValues() 
      inthashCode() 
      booleanhasNames()
      Check if there are names defined for the fields.
      protected intindexOf​(java.lang.String name)
      Retrieve the index of where a specified column is located based on the name parameter.
      protected java.lang.StringreadAndTrim​(int index)
      Read and trim the String value at 'index'.
      java.math.BigDecimalreadBigDecimal​(int index)
      Read the BigDecimal value at index 'index'.
      java.math.BigDecimalreadBigDecimal​(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.
      java.math.BigDecimalreadBigDecimal​(java.lang.String name)
      Read the BigDecimal value from column with given 'name.
      java.math.BigDecimalreadBigDecimal​(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.
      booleanreadBoolean​(int index)
      Read the 'boolean' value at index 'index'.
      booleanreadBoolean​(int index, java.lang.String trueValue)
      Read the 'boolean' value at index 'index'.
      booleanreadBoolean​(java.lang.String name)
      Read the 'boolean' value from column with given 'name'.
      booleanreadBoolean​(java.lang.String name, java.lang.String trueValue)
      Read the 'boolean' value from column with given 'name'.
      bytereadByte​(int index)
      Read the 'byte' value at index 'index'.
      bytereadByte​(java.lang.String name)
      Read the 'byte' value from column with given 'name'.
      charreadChar​(int index)
      Read the 'char' value at index 'index'.
      charreadChar​(java.lang.String name)
      Read the 'char' value from column with given 'name'.
      java.util.DatereadDate​(int index)
      Read the java.util.Date value in default format at designated column index.
      java.util.DatereadDate​(int index, java.lang.String pattern)
      Read the java.util.Date value in default format at designated column index.
      java.util.DatereadDate​(int index, java.lang.String pattern, java.util.Date defaultValue)
      Read the java.util.Date value in default format at designated column index.
      java.util.DatereadDate​(int index, java.util.Date defaultValue)
      Read the java.util.Date value in default format at designated column index.
      java.util.DatereadDate​(java.lang.String name)
      Read the java.sql.Date value in given format from column with given name.
      java.util.DatereadDate​(java.lang.String name, java.lang.String pattern)
      Read the java.sql.Date value in given format from column with given name.
      java.util.DatereadDate​(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.
      java.util.DatereadDate​(java.lang.String name, java.util.Date defaultValue)
      Read the java.sql.Date value in given format from column with given name.
      doublereadDouble​(int index)
      Read the 'double' value at index 'index'.
      doublereadDouble​(java.lang.String name)
      Read the 'double' value from column with given 'name.
      floatreadFloat​(int index)
      Read the 'float' value at index 'index'.
      floatreadFloat​(java.lang.String name)
      Read the 'float' value from column with given 'name.
      intreadInt​(int index)
      Read the 'int' value at index 'index'.
      intreadInt​(int index, int defaultValue)
      Read the 'int' value at index 'index', using the supplied defaultValue if the field value is blank.
      intreadInt​(java.lang.String name)
      Read the 'int' value from column with given 'name'.
      intreadInt​(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.
      longreadLong​(int index)
      Read the 'long' value at index 'index'.
      longreadLong​(int index, long defaultValue)
      Read the 'long' value at index 'index', using the supplied defaultValue if the field value is blank.
      longreadLong​(java.lang.String name)
      Read the 'long' value from column with given 'name'.
      longreadLong​(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.
      java.lang.StringreadRawString​(int index)
      Read the String value at index 'index' including trailing whitespace (don't trim).
      java.lang.StringreadRawString​(java.lang.String name)
      Read the String value from column with given 'name' including trailing whitespace (don't trim).
      shortreadShort​(int index)
      Read the 'short' value at index 'index'.
      shortreadShort​(java.lang.String name)
      Read the 'short' value from column with given 'name'.
      java.lang.StringreadString​(int index)
      Read the String value at index 'index'.
      java.lang.StringreadString​(java.lang.String name)
      Read the String value from column with given 'name'.
      voidsetDateFormat​(java.text.DateFormat dateFormat)
      The DateFormat to use for parsing numbers.
      voidsetNumberFormat​(java.text.NumberFormat numberFormat)
      The NumberFormat to use for parsing numbers.
      java.lang.StringtoString() 

      • 从类继承的方法 java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • 构造器详细资料

      • DefaultFieldSet

        public DefaultFieldSet​(java.lang.String[] tokens)
        Create a FieldSet with anonymous tokens. They can only be retrieved by column number.
        参数:
        tokens - the token values
        另请参阅:
        FieldSet.readString(int)

      • DefaultFieldSet

        public DefaultFieldSet​(java.lang.String[] tokens,
                       java.lang.String[] names)
        Create a FieldSet with named tokens. The token values can then be retrieved either by name or by column number.
        参数:
        tokens - the token values
        names - the names of the tokens
        另请参阅:
        FieldSet.readString(String)

    • 方法详细资料

      • setNumberFormat

        public final void setNumberFormat​(java.text.NumberFormat numberFormat)
        The NumberFormat to use for parsing numbers. If unset the US locale will be used ('.' as decimal place).
        参数:
        numberFormat - the NumberFormat to use for number parsing

      • setDateFormat

        public void setDateFormat​(java.text.DateFormat dateFormat)
        The DateFormat to use for parsing numbers. If unset the default pattern is ISO standard yyyy/MM/dd.
        参数:
        dateFormat - the DateFormat to use for date parsing

      • getNames

        public java.lang.String[] getNames()
        从接口复制的说明: FieldSet
        Accessor for the names of the fields.
        指定者:
        getNames 在接口中 FieldSet
        返回:
        the names

      • hasNames

        public boolean hasNames()
        从接口复制的说明: FieldSet
        Check if there are names defined for the fields.
        指定者:
        hasNames 在接口中 FieldSet
        返回:
        true if there are names for the fields

      • getValues

        public java.lang.String[] getValues()
        指定者:
        getValues 在接口中 FieldSet
        返回:
        fields wrapped by this 'FieldSet' instance as String values.

      • readString

        public java.lang.String readString​(int index)
        从接口复制的说明: FieldSet
        Read the String value at index 'index'.
        指定者:
        readString 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        String containing the value at the index.

      • readString

        public java.lang.String readString​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the String value from column with given 'name'.
        指定者:
        readString 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        String containing the value from the specified name.

      • readRawString

        public java.lang.String readRawString​(int index)
        从接口复制的说明: FieldSet
        Read the String value at index 'index' including trailing whitespace (don't trim).
        指定者:
        readRawString 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        String containing the value from the specified index.

      • readRawString

        public java.lang.String readRawString​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the String value from column with given 'name' including trailing whitespace (don't trim).
        指定者:
        readRawString 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        String containing the value from the specified name.

      • readBoolean

        public boolean readBoolean​(int index)
        从接口复制的说明: FieldSet
        Read the 'boolean' value at index 'index'.
        指定者:
        readBoolean 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        boolean containing the value from the specified index.

      • readBoolean

        public boolean readBoolean​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'boolean' value from column with given 'name'.
        指定者:
        readBoolean 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        boolean containing the value from the specified name.

      • readBoolean

        public boolean readBoolean​(int index,
                           java.lang.String trueValue)
        从接口复制的说明: FieldSet
        Read the 'boolean' value at index 'index'.
        指定者:
        readBoolean 在接口中 FieldSet
        参数:
        index - the field index.
        trueValue - the value that signifies true; case-sensitive.
        返回:
        boolean containing the value from the specified index.

      • readBoolean

        public boolean readBoolean​(java.lang.String name,
                           java.lang.String trueValue)
        从接口复制的说明: FieldSet
        Read the 'boolean' value from column with given 'name'.
        指定者:
        readBoolean 在接口中 FieldSet
        参数:
        name - the field name.
        trueValue - the value that signifies true; case-sensitive.
        返回:
        boolean containing the value from the specified name.

      • readChar

        public char readChar​(int index)
        从接口复制的说明: FieldSet
        Read the 'char' value at index 'index'.
        指定者:
        readChar 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        char containing the value from the specified index.

      • readChar

        public char readChar​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'char' value from column with given 'name'.
        指定者:
        readChar 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        char containing the value from the specified name.

      • readByte

        public byte readByte​(int index)
        从接口复制的说明: FieldSet
        Read the 'byte' value at index 'index'.
        指定者:
        readByte 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        byte containing the value from the specified index.

      • readByte

        public byte readByte​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'byte' value from column with given 'name'.
        指定者:
        readByte 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        byte containing the value from the specified name.

      • readShort

        public short readShort​(int index)
        从接口复制的说明: FieldSet
        Read the 'short' value at index 'index'.
        指定者:
        readShort 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        short containing the value from the specified index.

      • readShort

        public short readShort​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'short' value from column with given 'name'.
        指定者:
        readShort 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        short containing the value from the specified name.

      • readInt

        public int readInt​(int index)
        从接口复制的说明: FieldSet
        Read the 'int' value at index 'index'.
        指定者:
        readInt 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        int containing the value from the specified index.

      • readInt

        public int readInt​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'int' value from column with given 'name'.
        指定者:
        readInt 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        int containing the value from the specified name.

      • readInt

        public int readInt​(int index,
                   int defaultValue)
        从接口复制的说明: FieldSet
        Read the 'int' value at index 'index', using the supplied defaultValue if the field value is blank.
        指定者:
        readInt 在接口中 FieldSet
        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.

      • readInt

        public int readInt​(java.lang.String name,
                   int defaultValue)
        从接口复制的说明: FieldSet
        Read the 'int' value from column with given 'name', using the supplied defaultValue if the field value is blank.
        指定者:
        readInt 在接口中 FieldSet
        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.

      • readLong

        public long readLong​(int index)
        从接口复制的说明: FieldSet
        Read the 'long' value at index 'index'.
        指定者:
        readLong 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        long containing the value from the specified index.

      • readLong

        public long readLong​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'long' value from column with given 'name'.
        指定者:
        readLong 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        long containing the value from the specified name.

      • readLong

        public long readLong​(int index,
                     long defaultValue)
        从接口复制的说明: FieldSet
        Read the 'long' value at index 'index', using the supplied defaultValue if the field value is blank.
        指定者:
        readLong 在接口中 FieldSet
        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.

      • readLong

        public long readLong​(java.lang.String name,
                     long defaultValue)
        从接口复制的说明: FieldSet
        Read the 'long' value from column with given 'name', using the supplied defaultValue if the field value is blank.
        指定者:
        readLong 在接口中 FieldSet
        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.

      • readFloat

        public float readFloat​(int index)
        从接口复制的说明: FieldSet
        Read the 'float' value at index 'index'.
        指定者:
        readFloat 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        float containing the value from the specified index.

      • readFloat

        public float readFloat​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'float' value from column with given 'name.
        指定者:
        readFloat 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        float containing the value from the specified name.

      • readDouble

        public double readDouble​(int index)
        从接口复制的说明: FieldSet
        Read the 'double' value at index 'index'.
        指定者:
        readDouble 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        double containing the value from the specified index.

      • readDouble

        public double readDouble​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the 'double' value from column with given 'name.
        指定者:
        readDouble 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        double containing the value from the specified name.

      • readBigDecimal

        public java.math.BigDecimal readBigDecimal​(int index)
        从接口复制的说明: FieldSet
        Read the BigDecimal value at index 'index'.
        指定者:
        readBigDecimal 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        BigDecimal containing the value from the specified index.

      • readBigDecimal

        public java.math.BigDecimal readBigDecimal​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the BigDecimal value from column with given 'name.
        指定者:
        readBigDecimal 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        BigDecimal containing the value from the specified name.

      • readBigDecimal

        public java.math.BigDecimal readBigDecimal​(int index,
                                           java.math.BigDecimal defaultValue)
        从接口复制的说明: FieldSet
        Read the BigDecimal value at index 'index', returning the supplied defaultValue if the trimmed string value at index 'index' is blank.
        指定者:
        readBigDecimal 在接口中 FieldSet
        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.

      • readBigDecimal

        public java.math.BigDecimal readBigDecimal​(java.lang.String name,
                                           java.math.BigDecimal defaultValue)
        从接口复制的说明: FieldSet
        Read the BigDecimal value from column with given 'name, returning the supplied defaultValue if the trimmed string value at index 'index' is blank.
        指定者:
        readBigDecimal 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(int index)
        从接口复制的说明: FieldSet
        Read the java.util.Date value in default format at designated column index.
        指定者:
        readDate 在接口中 FieldSet
        参数:
        index - the field index.
        返回:
        Date containing the value from the specified index.

      • readDate

        public java.util.Date readDate​(int index,
                               java.util.Date defaultValue)
        从接口复制的说明: FieldSet
        Read the java.util.Date value in default format at designated column index.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(java.lang.String name)
        从接口复制的说明: FieldSet
        Read the java.sql.Date value in given format from column with given name.
        指定者:
        readDate 在接口中 FieldSet
        参数:
        name - the field name.
        返回:
        Date containing the value from the specified name.

      • readDate

        public java.util.Date readDate​(java.lang.String name,
                               java.util.Date defaultValue)
        从接口复制的说明: FieldSet
        Read the java.sql.Date value in given format from column with given name.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(int index,
                               java.lang.String pattern)
        从接口复制的说明: FieldSet
        Read the java.util.Date value in default format at designated column index.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(int index,
                               java.lang.String pattern,
                               java.util.Date defaultValue)
        从接口复制的说明: FieldSet
        Read the java.util.Date value in default format at designated column index.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(java.lang.String name,
                               java.lang.String pattern)
        从接口复制的说明: FieldSet
        Read the java.sql.Date value in given format from column with given name.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • readDate

        public java.util.Date readDate​(java.lang.String name,
                               java.lang.String pattern,
                               java.util.Date defaultValue)
        从接口复制的说明: FieldSet
        Read the java.sql.Date value in given format from column with given name.
        指定者:
        readDate 在接口中 FieldSet
        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.

      • getFieldCount

        public int getFieldCount()
        从接口复制的说明: FieldSet
        Return the number of fields in this 'FieldSet'.
        指定者:
        getFieldCount 在接口中 FieldSet
        返回:
        int containing the number of fields in this field set.

      • readAndTrim

        protected java.lang.String readAndTrim​(int index)
        Read and trim the String value at 'index'.
        参数:
        index - the offset in the token array to obtain the value to be trimmed.
        返回:
        null if the field value is null.

      • indexOf

        protected int indexOf​(java.lang.String name)
        Retrieve the index of where a specified column is located based on the name parameter.
        参数:
        name - the value to search in the List of names.
        返回:
        the index in the List of names where the name was found.
        抛出:
        java.lang.IllegalArgumentException - if a column with given name is not defined.

      • toString

        public java.lang.String toString()
        覆盖:
        toString 在类中 java.lang.Object

      • equals

        public boolean equals​(java.lang.Object object)
        覆盖:
        equals 在类中 java.lang.Object
        另请参阅:
        Object.equals(java.lang.Object)

      • hashCode

        public int hashCode()
        覆盖:
        hashCode 在类中 java.lang.Object

      • getProperties

        public java.util.Properties getProperties()
        从接口复制的说明: FieldSet
        Construct name-value pairs from the field names and string values. Null values are omitted.
        指定者:
        getProperties 在接口中 FieldSet
        返回:
        some properties representing the field set.