org.apache.tomcat.util.digester

Class CallParamRule

java.lang.Object

org.apache.tomcat.util.digester.Rule

org.apache.tomcat.util.digester.CallParamRule

public class CallParamRule
extends Rule

Rule implementation that saves a parameter for use by a surrounding CallMethodRule.

This parameter may be:

• from an attribute of the current element See CallParamRule(int paramIndex, String attributeName)
• from current the element body See CallParamRule(int paramIndex)

Field Summary

Fields

Modifier and Type	Field and Description
protected String	attributeName The attribute from which to save the parameter value
protected ArrayStack<String>	bodyTextStack Stack is used to allow nested body text to be processed.
protected boolean	fromStack Is the parameter to be set from the stack?
protected int	paramIndex The zero-relative index of the parameter we are saving.
protected int	stackIndex The position of the object from the top of the stack

Fields inherited from class org.apache.tomcat.util.digester.Rule

digester, namespaceURI

Constructor Summary

Constructors

Constructor and Description
CallParamRule(int paramIndex) Construct a "call parameter" rule that will save the body text of this element as the parameter value.
CallParamRule(int paramIndex, String attributeName) Construct a "call parameter" rule that will save the value of the specified attribute as the parameter value.

Method Summary

Modifier and Type	Method and Description
void	begin(String namespace, String name, Attributes attributes) Process the start of this element.
void	body(String namespace, String name, String bodyText) Process the body text of this element.
void	end(String namespace, String name) Process any body texts now.
String	toString() Render a printable version of this Rule.

Methods inherited from class org.apache.tomcat.util.digester.Rule

finish, getDigester, getNamespaceURI, setDigester, setNamespaceURI

Methods inherited from class java.lang.Object

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

Field Detail

attributeName

protected final String attributeName

The attribute from which to save the parameter value

paramIndex

protected final int paramIndex

The zero-relative index of the parameter we are saving.

fromStack

protected final boolean fromStack

Is the parameter to be set from the stack?

stackIndex

protected final int stackIndex

The position of the object from the top of the stack

bodyTextStack

protected ArrayStack<String> bodyTextStack

Stack is used to allow nested body text to be processed. Lazy creation.

Constructor Detail

CallParamRule

public CallParamRule(int paramIndex)

Construct a "call parameter" rule that will save the body text of this element as the parameter value.

Parameters:

paramIndex - The zero-relative parameter number

CallParamRule

public CallParamRule(int paramIndex,
                     String attributeName)

Construct a "call parameter" rule that will save the value of the specified attribute as the parameter value.

Parameters:

paramIndex - The zero-relative parameter number

attributeName - The name of the attribute to save

Method Detail

begin

public void begin(String namespace,
                  String name,
                  Attributes attributes)
           throws Exception

Process the start of this element.

Overrides:

begin in class Rule

Parameters:

namespace - the namespace URI of the matching element, or an empty string if the parser is not namespace aware or the element has no namespace

name - the local name if the parser is namespace aware, or just the element name otherwise

attributes - The attribute list for this element

Throws:

Exception - if an error occurs while processing the event

body

public void body(String namespace,
                 String name,
                 String bodyText)
          throws Exception

Process the body text of this element.

Overrides:

body in class Rule

Parameters:

namespace - the namespace URI of the matching element, or an empty string if the parser is not namespace aware or the element has no namespace

name - the local name if the parser is namespace aware, or just the element name otherwise

bodyText - The body text of this element

Throws:

Exception - if an error occurs while processing the event

end

public void end(String namespace,
                String name)

Process any body texts now.

Overrides:

end in class Rule

Parameters:

namespace - the namespace URI of the matching element, or an empty string if the parser is not namespace aware or the element has no namespace

name - the local name if the parser is namespace aware, or just the element name otherwise

toString

public String toString()

Render a printable version of this Rule.

Overrides:

toString in class Object