JRAbstractBeanDataSourceProvider (JasperReports 6.1.1 API)

java.lang.Object
- net.sf.jasperreports.engine.data.JRAbstractBeanDataSourceProvider

All Implemented Interfaces:

JRDataSourceProvider
```
public abstract class JRAbstractBeanDataSourceProvider
extends java.lang.Object
implements JRDataSourceProvider
```
The base implementation for JRBeanXXXDataSource providers. It provides a common implementation for bean properties introspection.

Author:

Peter Severin (peter_s@sourceforge.net, contact@jasperassistant.com)

Field Summary

Fields
Modifier and Type Field and Description

static java.lang.String EXCEPTION_MESSAGE_KEY_NULL_BEAN_CLASS

Fields
Modifier and Type	Field and Description
`static java.lang.String`	`EXCEPTION_MESSAGE_KEY_NULL_BEAN_CLASS`

Constructor Summary

Constructors
Constructor and Description

JRAbstractBeanDataSourceProvider(java.lang.Class<?> beanClass)
Creates the provider.

Constructors
Constructor and Description
`JRAbstractBeanDataSourceProvider(java.lang.Class<?> beanClass)` Creates the provider.

Method Summary

Methods
Modifier and Type	Method and Description
`JRField[]`	`getFields(JasperReport report)` Returns the fields that are available from the data source.
`boolean`	`supportsGetFieldsOperation()` Returns true if the provider supports the `getFields` operation.

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

Methods inherited from interface net.sf.jasperreports.engine.JRDataSourceProvider
create, dispose

- Field Detail
  - EXCEPTION_MESSAGE_KEY_NULL_BEAN_CLASS
```
public static final java.lang.String EXCEPTION_MESSAGE_KEY_NULL_BEAN_CLASS
```
    See Also:
    Constant Field Values
- Constructor Detail
  - JRAbstractBeanDataSourceProvider
```
public JRAbstractBeanDataSourceProvider(java.lang.Class<?> beanClass)
```
    Creates the provider. Superclasses must pass a valid class that will be used to introspect the available bean fields.
    
    Parameters:
    beanClass - the bean class to be introspected.
- Method Detail
  - supportsGetFieldsOperation
```
public boolean supportsGetFieldsOperation()
```
    Description copied from interface: JRDataSourceProvider
    
    Returns true if the provider supports the getFields operation. By returning true in this method the data source provider indicates that it is able to introspect the data source and discover the available fields.
    
    Specified by:
    
    supportsGetFieldsOperation in interface JRDataSourceProvider
    
    Returns:
    true if the getFields() operation is supported.
    See Also:
    JRDataSourceProvider.supportsGetFieldsOperation()
  - getFields
```
public JRField[] getFields(JasperReport report)
                    throws JRException
```
    Description copied from interface: JRDataSourceProvider
    
    Returns the fields that are available from the data source. The provider can use the passed in report to extract some additional configuration information such as report properties.
    
    Specified by:
    
    getFields in interface JRDataSourceProvider
    
    Parameters:
    report - the report that will be filled using the data source created by this provider. The passed in report can be null. That means that no compiled report is available yet.
    
    Returns:
    a non null fields array. If there are no fields then an empty array must be returned.
    
    Throws:
    
    JRException - if an error occurs.
    See Also:
    JRDataSourceProvider.getFields(net.sf.jasperreports.engine.JasperReport)

Class JRAbstractBeanDataSourceProvider

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface net.sf.jasperreports.engine.JRDataSourceProvider

Field Detail

EXCEPTION_MESSAGE_KEY_NULL_BEAN_CLASS

Constructor Detail

JRAbstractBeanDataSourceProvider

Method Detail

supportsGetFieldsOperation

getFields