java.lang.Object
- net.sf.jasperreports.engine.query.AbstractQueryExecuterFactory
- - net.sf.jasperreports.engine.query.JRCsvQueryExecuterFactory

All Implemented Interfaces:

QueryExecuterFactory, Designated
```
public class JRCsvQueryExecuterFactory
extends AbstractQueryExecuterFactory
implements Designated
```
Query executer factory for CSV file type.
The factory creates JRCsvQueryExecuter query executers.

Author:

Narcis Marcu (narcism@users.sourceforge.net)

Field Summary

Fields
Modifier and Type	Field	Description
`static String`	`CSV_COLUMN_NAMES`	Built-in parameter/property holding the names of the columns (in a comma-separated list) to be extracted from the CSV source.
`static String`	`CSV_COLUMN_NAMES_ARRAY`	Built-in parameter holding the value of the columns to be extracted from the CSV source, as a `java.lang.String[]` object.
`static String`	`CSV_DATE_FORMAT`	Built-in parameter holding the value of the `java.text.DateFormat` used to format date columns from the CSV source.
`static String`	`CSV_DATE_PATTERN`	Built-in parameter/property holding the value of the date format pattern to be used when parsing the CSV data.
`static String`	`CSV_ENCODING`	Built-in parameter/property holding the value of the charset used to encode the CSV stream.
`static String`	`CSV_FIELD_DELIMITER`	Built-in parameter/property holding the value of the field delimiter from the CSV source.
`static String`	`CSV_FILE`	Built-in parameter holding the value of the `java.io.File` to be used for obtaining the CSV data.
`static String`	`CSV_INPUT_STREAM`	Built-in parameter holding the value of the `java.io.InputStream` to be used for obtaining the CSV data.
`static String`	`CSV_LOCALE`	Built-in parameter holding the `java.util.Locale` value of the locale to be used when parsing the CSV data.
`static String`	`CSV_LOCALE_CODE`	Built-in parameter/property holding the `java.lang.String` code of the locale to be used when parsing the CSV data.
`static String`	`CSV_NUMBER_FORMAT`	Built-in parameter holding the value of the `java.text.NumberFormat` used to format numeric columns from the CSV source.
`static String`	`CSV_NUMBER_PATTERN`	Built-in parameter/property holding the value of the number format pattern to be used when parsing the CSV data.
`static String`	`CSV_READER`	Built-in parameter holding the value of the `java.io.Reader` to be used for obtaining the CSV data.
`static String`	`CSV_RECORD_DELIMITER`	Build-in parameter/property holding the value of the record delimiter from the CSV source
`static String`	`CSV_SOURCE`	Built-in parameter/property holding the value of the source for the CSV file.
`static String`	`CSV_TIMEZONE`	Built-in parameter holding the `java.util.TimeZone` value of the timezone to be used when parsing the CSV data.
`static String`	`CSV_TIMEZONE_ID`	Built-in parameter/property holding the `java.lang.String` value of the time zone id to be used when parsing the CSV data.
`static String`	`CSV_URL`	Built-in parameter holding the value of the `java.net.URL` to be used for obtaining the CSV data.
`static String`	`CSV_USE_FIRST_ROW_AS_HEADER`	Built-in parameter/property specifying whether or not the column names should be obtained from the first row in the CSV source.
`static String`	`QUERY_EXECUTER_NAME`

Fields inherited from interface net.sf.jasperreports.engine.query.QueryExecuterFactory
QUERY_EXECUTER_FACTORY_PREFIX

Constructor Summary

Constructors
Constructor Description

JRCsvQueryExecuterFactory()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`JRQueryExecuter`	`createQueryExecuter(JasperReportsContext jasperReportsContext, JRDataset dataset, Map<String,? extends JRValueParameter> parameters)`	Creates a query executer.
`JRQueryExecuter`	`createQueryExecuter(QueryExecutionContext context, JRDataset dataset, Map<String,? extends JRValueParameter> parameters)`
`Object[]`	`getBuiltinParameters()`	Returns the built-in parameters associated with this query type.
`String`	`getDesignation()`
`boolean`	`supportsQueryParameterType(String className)`	Decides whether the query executers created by this factory support a query parameter type.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - QUERY_EXECUTER_NAME
```
public static final String QUERY_EXECUTER_NAME
```
    See Also:
    
    Constant Field Values
  - CSV_SOURCE
```
public static final String CSV_SOURCE
```
    Built-in parameter/property holding the value of the source for the CSV file.
    It can be:
    
    a resource on the classpath
    
    a file from the filesystem, with an absolute or relative path
    
    a url
    See Also:
    
    Constant Field Values
  - CSV_INPUT_STREAM
```
public static final String CSV_INPUT_STREAM
```
    Built-in parameter holding the value of the java.io.InputStream to be used for obtaining the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_URL
```
public static final String CSV_URL
```
    Built-in parameter holding the value of the java.net.URL to be used for obtaining the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_FILE
```
public static final String CSV_FILE
```
    Built-in parameter holding the value of the java.io.File to be used for obtaining the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_READER
```
public static final String CSV_READER
```
    Built-in parameter holding the value of the java.io.Reader to be used for obtaining the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_ENCODING
```
public static final String CSV_ENCODING
```
    Built-in parameter/property holding the value of the charset used to encode the CSV stream.
    It is meaningful only in combination with CSV_INPUT_STREAM, CSV_URL or CSV_FILE.
    
    See Also:
    
    Constant Field Values
  - CSV_COLUMN_NAMES
```
public static final String CSV_COLUMN_NAMES
```
    Built-in parameter/property holding the names of the columns (in a comma-separated list) to be extracted from the CSV source. When used as report parameter, the value has to be a java.lang.String object containing column names separated by commas. It can also be used as the prefix for custom dataset properties specifying the names of the CSV columns in the format: net.sf.jasperreports.csv.column.names.{arbitrary_name}=value1[, value2, ...]
    
    See Also:
    
    Constant Field Values
  - CSV_COLUMN_NAMES_ARRAY
```
public static final String CSV_COLUMN_NAMES_ARRAY
```
    Built-in parameter holding the value of the columns to be extracted from the CSV source, as a java.lang.String[] object.
    When this parameter is null or missing, its value defaults to the values provided by properties prefixed with CSV_COLUMN_NAMES.
    
    See Also:
    
    Constant Field Values
  - CSV_LOCALE
```
public static final String CSV_LOCALE
```
    Built-in parameter holding the java.util.Locale value of the locale to be used when parsing the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_LOCALE_CODE
```
public static final String CSV_LOCALE_CODE
```
    Built-in parameter/property holding the java.lang.String code of the locale to be used when parsing the CSV data.
    The allowed format is: language[_country[_variant]]
    
    See Also:
    
    Constant Field Values
  - CSV_TIMEZONE
```
public static final String CSV_TIMEZONE
```
    Built-in parameter holding the java.util.TimeZone value of the timezone to be used when parsing the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_TIMEZONE_ID
```
public static final String CSV_TIMEZONE_ID
```
    Built-in parameter/property holding the java.lang.String value of the time zone id to be used when parsing the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_DATE_FORMAT
```
public static final String CSV_DATE_FORMAT
```
    Built-in parameter holding the value of the java.text.DateFormat used to format date columns from the CSV source.
    
    See Also:
    
    Constant Field Values
  - CSV_DATE_PATTERN
```
public static final String CSV_DATE_PATTERN
```
    Built-in parameter/property holding the value of the date format pattern to be used when parsing the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_FIELD_DELIMITER
```
public static final String CSV_FIELD_DELIMITER
```
    Built-in parameter/property holding the value of the field delimiter from the CSV source.
    
    See Also:
    
    Constant Field Values
  - CSV_NUMBER_FORMAT
```
public static final String CSV_NUMBER_FORMAT
```
    Built-in parameter holding the value of the java.text.NumberFormat used to format numeric columns from the CSV source.
    
    See Also:
    
    Constant Field Values
  - CSV_NUMBER_PATTERN
```
public static final String CSV_NUMBER_PATTERN
```
    Built-in parameter/property holding the value of the number format pattern to be used when parsing the CSV data.
    
    See Also:
    
    Constant Field Values
  - CSV_RECORD_DELIMITER
```
public static final String CSV_RECORD_DELIMITER
```
    Build-in parameter/property holding the value of the record delimiter from the CSV source
    
    See Also:
    
    Constant Field Values
  - CSV_USE_FIRST_ROW_AS_HEADER
```
public static final String CSV_USE_FIRST_ROW_AS_HEADER
```
    Built-in parameter/property specifying whether or not the column names should be obtained from the first row in the CSV source. As parameter, it should hold a java.lang.Boolean value, while as custom dataset property, it should be true or false. If this parameter is set to true, then setting the CSV_COLUMN_NAMES or CSV_COLUMN_NAMES_ARRAY would have no effect.
    
    See Also:
    
    Constant Field Values
- Constructor Detail
  - JRCsvQueryExecuterFactory
```
public JRCsvQueryExecuterFactory()
```
- Method Detail
  - getBuiltinParameters
```
public Object[] getBuiltinParameters()
```
    Description copied from interface: QueryExecuterFactory
    
    Returns the built-in parameters associated with this query type.
    These parameters will be created as system-defined parameters for each report/dataset having a query of this type.
    The returned array should contain consecutive pairs of parameter names and parameter classes (e.g. {"Param1", String.class, "Param2", "List.class"}).
    
    Specified by:
    
    getBuiltinParameters in interface QueryExecuterFactory
    
    Returns:
    
    array of built-in parameter names and types associated with this query type
  - createQueryExecuter
```
public JRQueryExecuter createQueryExecuter(JasperReportsContext jasperReportsContext,
                                           JRDataset dataset,
                                           Map<String,? extends JRValueParameter> parameters)
                                    throws JRException
```
    Description copied from interface: QueryExecuterFactory
    
    Creates a query executer.
    This method is called at fill time for reports/datasets having a query supported by this factory.
    
    Specified by:
    
    createQueryExecuter in interface QueryExecuterFactory
    
    Parameters:
    
    jasperReportsContext - the JasperReportsContext
    
    dataset - the dataset containing the query, fields, etc
    
    parameters - map of value parameters (instances of JRValueParameter) indexed by name
    
    Returns:
    
    a query executer
    
    Throws:
    
    JRException
  - createQueryExecuter
```
public JRQueryExecuter createQueryExecuter(QueryExecutionContext context,
                                           JRDataset dataset,
                                           Map<String,? extends JRValueParameter> parameters)
                                    throws JRException
```
    Specified by:
    
    createQueryExecuter in interface QueryExecuterFactory
    
    Throws:
    
    JRException
  - supportsQueryParameterType
```
public boolean supportsQueryParameterType(String className)
```
    Description copied from interface: QueryExecuterFactory
    
    Decides whether the query executers created by this factory support a query parameter type.
    This check is performed for all $P{..} parameters in the query.
    
    Specified by:
    
    supportsQueryParameterType in interface QueryExecuterFactory
    
    Parameters:
    
    className - the value class name of the parameter
    
    Returns:
    
    whether the parameter value type is supported
  - getDesignation
```
public String getDesignation()
```
    Specified by:
    
    getDesignation in interface Designated

Class JRCsvQueryExecuterFactory

Field Summary

Fields inherited from interface net.sf.jasperreports.engine.query.QueryExecuterFactory

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

QUERY_EXECUTER_NAME

CSV_SOURCE

CSV_INPUT_STREAM

CSV_URL

CSV_FILE

CSV_READER

CSV_ENCODING

CSV_COLUMN_NAMES

CSV_COLUMN_NAMES_ARRAY

CSV_LOCALE

CSV_LOCALE_CODE

CSV_TIMEZONE

CSV_TIMEZONE_ID

CSV_DATE_FORMAT

CSV_DATE_PATTERN

CSV_FIELD_DELIMITER

CSV_NUMBER_FORMAT

CSV_NUMBER_PATTERN

CSV_RECORD_DELIMITER

CSV_USE_FIRST_ROW_AS_HEADER

Constructor Detail

JRCsvQueryExecuterFactory

Method Detail

getBuiltinParameters

createQueryExecuter

createQueryExecuter

supportsQueryParameterType

getDesignation