Package org.apache.jasper.compiler
Class Node.JspAttribute
- java.lang.Object
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- org.apache.jasper.compiler.Node.JspAttribute
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- Enclosing class:
- Node
public static class Node.JspAttribute extends java.lang.Object
Represents attributes that can be request time expressions. Can either be a plain attribute, an attribute that represents a request time expression value, or a named attribute (specified using the jsp:attribute standard action).
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description ELNode.Nodes
getEL()
java.lang.String
getExpectedTypeName()
java.lang.String
getLocalName()
java.lang.String
getName()
Node.NamedAttribute
getNamedAttributeNode()
Only makes sense if namedAttribute is true.java.lang.String[]
getParameterTypeNames()
TagAttributeInfo
getTagAttributeInfo()
java.lang.String
getURI()
java.lang.String
getValue()
Only makes sense if namedAttribute is false.boolean
isDeferredInput()
boolean
isDeferredMethodInput()
boolean
isDynamic()
boolean
isELInterpreterInput()
boolean
isExpression()
boolean
isLiteral()
boolean
isNamedAttribute()
void
validateEL(ExpressionFactory ef, ELContext ctx)
Allow node to validate itself.
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Method Detail
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validateEL
public void validateEL(ExpressionFactory ef, ELContext ctx) throws ELException
Allow node to validate itself.- Parameters:
ef
- The expression factory to use to evaluate any ELctx
- The context to use to evaluate any EL- Throws:
ELException
- If validation fails
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getName
public java.lang.String getName()
- Returns:
- The name of the attribute
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getLocalName
public java.lang.String getLocalName()
- Returns:
- The local name of the attribute
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getURI
public java.lang.String getURI()
- Returns:
- The namespace of the attribute, or null if in the default namespace
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getTagAttributeInfo
public TagAttributeInfo getTagAttributeInfo()
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isDeferredInput
public boolean isDeferredInput()
- Returns:
- return true if there's TagAttributeInfo meaning we need to assign a ValueExpression
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isDeferredMethodInput
public boolean isDeferredMethodInput()
- Returns:
- return true if there's TagAttributeInfo meaning we need to assign a MethodExpression
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getExpectedTypeName
public java.lang.String getExpectedTypeName()
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getParameterTypeNames
public java.lang.String[] getParameterTypeNames()
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getValue
public java.lang.String getValue()
Only makes sense if namedAttribute is false.- Returns:
- the value for the attribute, or the expression string (stripped of "<%=", "%>", "%=", or "%" but containing "${" and "}" for EL expressions)
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getNamedAttributeNode
public Node.NamedAttribute getNamedAttributeNode()
Only makes sense if namedAttribute is true.- Returns:
- the nodes that evaluate to the body of this attribute.
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isExpression
public boolean isExpression()
- Returns:
- true if the value represents a traditional rtexprvalue
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isNamedAttribute
public boolean isNamedAttribute()
- Returns:
- true if the value represents a NamedAttribute value.
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isELInterpreterInput
public boolean isELInterpreterInput()
- Returns:
- true if the value represents an expression that should be fed to the expression interpreter false for string literals or rtexprvalues that should not be interpreted or reevaluated
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isLiteral
public boolean isLiteral()
- Returns:
- true if the value is a string literal known at translation time.
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isDynamic
public boolean isDynamic()
- Returns:
true
if the attribute is a "dynamic" attribute of a custom tag that implements DynamicAttributes interface. That is, a random extra attribute that is not declared by the tag.
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getEL
public ELNode.Nodes getEL()
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