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NestedPathTag (Spring Framework API 2.1) - Spring Framework 2.1.0 API 文档英文版

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org.springframework.web.servlet.tags
Class NestedPathTag

java.lang.Object
  javax.servlet.jsp.tagext.TagSupport
      org.springframework.web.servlet.tags.NestedPathTag

All Implemented Interfaces:

Serializable, IterationTag, JspTag, Tag

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public class NestedPathTag
extends TagSupport

Nested-path tag, to support and assist with nested beans or bean properties in the model. Exports a "nestedPath" variable of type String in request scope, visible to the current page and also included pages, if any.

The BindTag will auto-detect the current nested path and automatically prepend it to its own path to form a complete path to the bean or bean property.

This tag will also prepend any existing nested path that is currently set. Thus, you can nest multiple nested-path tags.

Thanks to Seth Ladd for the suggestion and the original implementation!

Since:

1.1

Author:

Juergen Hoeller

See Also:

Serialized Form

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Field Summary
static String	NESTED_PATH_VARIABLE_NAME           Name of the exposed variable within the scope of this tag: "nestedPath".

 

Fields inherited from class javax.servlet.jsp.tagext.TagSupport
id, pageContext

 

Fields inherited from interface javax.servlet.jsp.tagext.IterationTag
EVAL_BODY_AGAIN

 

Fields inherited from interface javax.servlet.jsp.tagext.Tag
EVAL_BODY_INCLUDE, EVAL_PAGE, SKIP_BODY, SKIP_PAGE

 

Constructor Summary
NestedPathTag()

 

Method Summary
int	doEndTag()           Reset any previous nestedPath value.
int	doStartTag()
String	getPath()           Return the path that this tag applies to.
void	setPath(String path)           Set the path that this tag should apply.

 

Methods inherited from class javax.servlet.jsp.tagext.TagSupport
doAfterBody, findAncestorWithClass, getId, getParent, getValue, getValues, release, removeValue, setId, setPageContext, setParent, setValue

 

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

 

Field Detail

NESTED_PATH_VARIABLE_NAME

public static final String NESTED_PATH_VARIABLE_NAME

Name of the exposed variable within the scope of this tag: "nestedPath".

See Also:

Constant Field Values

Constructor Detail

NestedPathTag

public NestedPathTag()

Method Detail

setPath

public void setPath(String path)

Set the path that this tag should apply.

E.g. "customer" to allow bind paths like "address.street" rather than "customer.address.street".

See Also:

BindTag.setPath(java.lang.String)

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getPath

public String getPath()

Return the path that this tag applies to.

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doStartTag

public int doStartTag()
               throws JspException

Specified by:

doStartTag in interface Tag

Overrides:

doStartTag in class TagSupport

Throws:

JspException

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doEndTag

public int doEndTag()

Reset any previous nestedPath value.

Specified by:

doEndTag in interface Tag

Overrides:

doEndTag in class TagSupport

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