Package org.apache.taglibs.standard.tlv
Class JstlCoreTLV
- java.lang.Object
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- javax.servlet.jsp.tagext.TagLibraryValidator
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- org.apache.taglibs.standard.tlv.JstlBaseTLV
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- org.apache.taglibs.standard.tlv.JstlCoreTLV
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- Direct Known Subclasses:
JstlELCoreTLV
public class JstlCoreTLV extends JstlBaseTLV
A SAX-based TagLibraryValidator for the core JSTL tag library. Currently implements the following checks:
- Expression syntax validation.
- Choose / when / otherwise constraints
- Tag bodies that must either be empty or non-empty given
particular attributes. (E.g.,
cannot have a body when 'value' is specified; it *must* have a body otherwise.) For these purposes, "having a body" refers to non-whitespace content inside the tag. - Other minor constraints.
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Nested Class Summary
Nested Classes Modifier and Type Class Description private class
JstlCoreTLV.Handler
The handler that provides the base of our implementation.
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Field Summary
Fields Modifier and Type Field Description private java.lang.String
CHOOSE
private java.lang.String
DEFAULT
private java.lang.String
EXPR
private java.lang.String
IMPORT
private java.lang.String
IMPORT_WITH_READER
private java.lang.String
IMPORT_WITHOUT_READER
private java.lang.String
OTHERWISE
private java.lang.String
PARAM
private java.lang.String
REDIRECT
private java.lang.String
SET
private java.lang.String
TEXT
private java.lang.String
URL
private java.lang.String
VALUE
private java.lang.String
VAR_READER
private java.lang.String
WHEN
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Fields inherited from class org.apache.taglibs.standard.tlv.JstlBaseTLV
APPLICATION_SCOPE, config, failed, JSP, lastElementId, messageVector, PAGE_SCOPE, prefix, REQUEST_SCOPE, SCOPE, SESSION_SCOPE, TYPE_CORE, TYPE_FMT, TYPE_SQL, TYPE_XML, uri, VAR
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Constructor Summary
Constructors Constructor Description JstlCoreTLV()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected org.xml.sax.helpers.DefaultHandler
getHandler()
javax.servlet.jsp.tagext.ValidationMessage[]
validate(java.lang.String prefix, java.lang.String uri, javax.servlet.jsp.tagext.PageData page)
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Methods inherited from class org.apache.taglibs.standard.tlv.JstlBaseTLV
fail, getLocalPart, hasAttribute, hasDanglingScope, hasEmptyVar, hasNoInvalidScope, isCoreTag, isFmtTag, isJspTag, isSpecified, isSqlTag, isTag, isXmlTag, release, validate, validateExpression, vmFromString, vmFromVector
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Field Detail
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CHOOSE
private final java.lang.String CHOOSE
- See Also:
- Constant Field Values
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WHEN
private final java.lang.String WHEN
- See Also:
- Constant Field Values
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OTHERWISE
private final java.lang.String OTHERWISE
- See Also:
- Constant Field Values
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EXPR
private final java.lang.String EXPR
- See Also:
- Constant Field Values
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SET
private final java.lang.String SET
- See Also:
- Constant Field Values
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IMPORT
private final java.lang.String IMPORT
- See Also:
- Constant Field Values
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URL
private final java.lang.String URL
- See Also:
- Constant Field Values
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REDIRECT
private final java.lang.String REDIRECT
- See Also:
- Constant Field Values
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PARAM
private final java.lang.String PARAM
- See Also:
- Constant Field Values
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TEXT
private final java.lang.String TEXT
- See Also:
- Constant Field Values
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VALUE
private final java.lang.String VALUE
- See Also:
- Constant Field Values
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DEFAULT
private final java.lang.String DEFAULT
- See Also:
- Constant Field Values
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VAR_READER
private final java.lang.String VAR_READER
- See Also:
- Constant Field Values
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IMPORT_WITH_READER
private final java.lang.String IMPORT_WITH_READER
- See Also:
- Constant Field Values
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IMPORT_WITHOUT_READER
private final java.lang.String IMPORT_WITHOUT_READER
- See Also:
- Constant Field Values
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Method Detail
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validate
public javax.servlet.jsp.tagext.ValidationMessage[] validate(java.lang.String prefix, java.lang.String uri, javax.servlet.jsp.tagext.PageData page)
- Overrides:
validate
in classjavax.servlet.jsp.tagext.TagLibraryValidator
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getHandler
protected org.xml.sax.helpers.DefaultHandler getHandler()
- Specified by:
getHandler
in classJstlBaseTLV
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