org.springframework.scripting.config

Class ScriptBeanDefinitionParser

java.lang.Object

org.springframework.beans.factory.xml.AbstractBeanDefinitionParser

org.springframework.scripting.config.ScriptBeanDefinitionParser

All Implemented Interfaces:

BeanDefinitionParser

class ScriptBeanDefinitionParser
extends AbstractBeanDefinitionParser

BeanDefinitionParser implementation for the '<lang:groovy/>', '<lang:std/>' and '<lang:bsh/>' tags. Allows for objects written using dynamic languages to be easily exposed with the BeanFactory.

The script for each object can be specified either as a reference to the resource containing it (using the 'script-source' attribute) or inline in the XML configuration itself (using the 'inline-script' attribute.

By default, dynamic objects created with these tags are not refreshable. To enable refreshing, specify the refresh check delay for each object (in milliseconds) using the 'refresh-check-delay' attribute.

Since:

2.0

Author:

Rob Harrop, Rod Johnson, Juergen Hoeller, Mark Fisher

Field Summary

Fields

Modifier and Type	Field and Description
private static java.lang.String	AUTOWIRE_ATTRIBUTE
private static java.lang.String	CUSTOMIZER_REF_ATTRIBUTE
private static java.lang.String	DEPENDENCY_CHECK_ATTRIBUTE
private static java.lang.String	DEPENDS_ON_ATTRIBUTE
private static java.lang.String	DESTROY_METHOD_ATTRIBUTE
private static java.lang.String	ENGINE_ATTRIBUTE
private static java.lang.String	INIT_METHOD_ATTRIBUTE
private static java.lang.String	INLINE_SCRIPT_ELEMENT
private static java.lang.String	PROXY_TARGET_CLASS_ATTRIBUTE
private static java.lang.String	REFRESH_CHECK_DELAY_ATTRIBUTE
private static java.lang.String	SCOPE_ATTRIBUTE
private static java.lang.String	SCRIPT_INTERFACES_ATTRIBUTE
private static java.lang.String	SCRIPT_SOURCE_ATTRIBUTE
private java.lang.String	scriptFactoryClassName The ScriptFactory class that this parser instance will create bean definitions for.

Fields inherited from class org.springframework.beans.factory.xml.AbstractBeanDefinitionParser

ID_ATTRIBUTE, NAME_ATTRIBUTE

Constructor Summary

Constructors

Constructor and Description
ScriptBeanDefinitionParser(java.lang.String scriptFactoryClassName) Create a new instance of this parser, creating bean definitions for the supplied ScriptFactory class.

Method Summary

Modifier and Type	Method and Description
protected AbstractBeanDefinition	parseInternal(org.w3c.dom.Element element, ParserContext parserContext) Parses the dynamic object element and returns the resulting bean definition.
private java.lang.String	resolveScriptSource(org.w3c.dom.Element element, XmlReaderContext readerContext) Resolves the script source from either the 'script-source' attribute or the 'inline-script' element.
protected boolean	shouldGenerateIdAsFallback() Scripted beans may be anonymous as well.

Methods inherited from class org.springframework.beans.factory.xml.AbstractBeanDefinitionParser

parse, postProcessComponentDefinition, registerBeanDefinition, resolveId, shouldFireEvents, shouldGenerateId, shouldParseNameAsAliases

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

ENGINE_ATTRIBUTE

private static final java.lang.String ENGINE_ATTRIBUTE

See Also:

Constant Field Values

SCRIPT_SOURCE_ATTRIBUTE

private static final java.lang.String SCRIPT_SOURCE_ATTRIBUTE

See Also:

Constant Field Values

INLINE_SCRIPT_ELEMENT

private static final java.lang.String INLINE_SCRIPT_ELEMENT

See Also:

Constant Field Values

SCOPE_ATTRIBUTE

private static final java.lang.String SCOPE_ATTRIBUTE

See Also:

Constant Field Values

AUTOWIRE_ATTRIBUTE

private static final java.lang.String AUTOWIRE_ATTRIBUTE

See Also:

Constant Field Values

DEPENDENCY_CHECK_ATTRIBUTE

private static final java.lang.String DEPENDENCY_CHECK_ATTRIBUTE

See Also:

Constant Field Values

DEPENDS_ON_ATTRIBUTE

private static final java.lang.String DEPENDS_ON_ATTRIBUTE

See Also:

Constant Field Values

INIT_METHOD_ATTRIBUTE

private static final java.lang.String INIT_METHOD_ATTRIBUTE

See Also:

Constant Field Values

DESTROY_METHOD_ATTRIBUTE

private static final java.lang.String DESTROY_METHOD_ATTRIBUTE

See Also:

Constant Field Values

SCRIPT_INTERFACES_ATTRIBUTE

private static final java.lang.String SCRIPT_INTERFACES_ATTRIBUTE

See Also:

Constant Field Values

REFRESH_CHECK_DELAY_ATTRIBUTE

private static final java.lang.String REFRESH_CHECK_DELAY_ATTRIBUTE

See Also:

Constant Field Values

PROXY_TARGET_CLASS_ATTRIBUTE

private static final java.lang.String PROXY_TARGET_CLASS_ATTRIBUTE

See Also:

Constant Field Values

CUSTOMIZER_REF_ATTRIBUTE

private static final java.lang.String CUSTOMIZER_REF_ATTRIBUTE

See Also:

Constant Field Values

scriptFactoryClassName

private final java.lang.String scriptFactoryClassName

The ScriptFactory class that this parser instance will create bean definitions for.

Constructor Detail

ScriptBeanDefinitionParser

public ScriptBeanDefinitionParser(java.lang.String scriptFactoryClassName)

Create a new instance of this parser, creating bean definitions for the supplied ScriptFactory class.

Parameters:

scriptFactoryClassName - the ScriptFactory class to operate on

Method Detail

parseInternal

protected AbstractBeanDefinition parseInternal(org.w3c.dom.Element element,
                                               ParserContext parserContext)

Parses the dynamic object element and returns the resulting bean definition. Registers a ScriptFactoryPostProcessor if needed.

Specified by:

parseInternal in class AbstractBeanDefinitionParser

Parameters:

element - the element that is to be parsed into one or more BeanDefinitions

parserContext - the object encapsulating the current state of the parsing process; provides access to a BeanDefinitionRegistry

Returns:

the primary BeanDefinition resulting from the parsing of the supplied Element

See Also:

AbstractBeanDefinitionParser.parse(org.w3c.dom.Element, ParserContext), AbstractBeanDefinitionParser.postProcessComponentDefinition(org.springframework.beans.factory.parsing.BeanComponentDefinition)

resolveScriptSource

private java.lang.String resolveScriptSource(org.w3c.dom.Element element,
                                             XmlReaderContext readerContext)

Resolves the script source from either the 'script-source' attribute or the 'inline-script' element. Logs and ReaderContext.error(java.lang.String, java.lang.Object) and returns null if neither or both of these values are specified.

shouldGenerateIdAsFallback

protected boolean shouldGenerateIdAsFallback()

Scripted beans may be anonymous as well.

Overrides:

shouldGenerateIdAsFallback in class AbstractBeanDefinitionParser

Returns:

whether the parser should generate an id if no id was specified