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java.lang.Objectorg.apache.tomcat.util.digester.RulesBase
public class RulesBase
Default implementation of the Rules
interface that supports
the standard rule matching behavior. This class can also be used as a
base class for specialized Rules
implementations.
The matching policies implemented by this class support two different types of pattern matching rules:
<c>
element, nested inside a <b>
element, which is nested inside an <a>
element.<b>
element, nested inside an <a>
element, no matter how deeply the pair is nested.
Field Summary | |
---|---|
protected java.util.HashMap |
cache
The set of registered Rule instances, keyed by the matching pattern. |
protected Digester |
digester
The Digester instance with which this Rules instance is associated. |
protected java.lang.String |
namespaceURI
The namespace URI for which subsequently added Rule
objects are relevant, or null for matching independent
of namespaces. |
protected java.util.ArrayList |
rules
The set of registered Rule instances, in the order that they were originally registered. |
Constructor Summary | |
---|---|
RulesBase()
|
Method Summary | |
---|---|
void |
add(java.lang.String pattern,
Rule rule)
Register a new Rule instance matching the specified pattern. |
void |
clear()
Clear all existing Rule instance registrations. |
Digester |
getDigester()
Return the Digester instance with which this Rules instance is associated. |
java.lang.String |
getNamespaceURI()
Return the namespace URI that will be applied to all subsequently added Rule objects. |
protected java.util.List |
lookup(java.lang.String namespaceURI,
java.lang.String pattern)
Return a List of Rule instances for the specified pattern that also match the specified namespace URI (if any). |
java.util.List |
match(java.lang.String pattern)
Deprecated. Call match(namespaceURI,pattern) instead. |
java.util.List |
match(java.lang.String namespaceURI,
java.lang.String pattern)
Return a List of all registered Rule instances that match the specified nesting pattern, or a zero-length List if there are no matches. |
java.util.List |
rules()
Return a List of all registered Rule instances, or a zero-length List if there are no registered Rule instances. |
void |
setDigester(Digester digester)
Set the Digester instance with which this Rules instance is associated. |
void |
setNamespaceURI(java.lang.String namespaceURI)
Set the namespace URI that will be applied to all subsequently added Rule objects. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
---|
protected java.util.HashMap cache
protected Digester digester
protected java.lang.String namespaceURI
Rule
objects are relevant, or null
for matching independent
of namespaces.
protected java.util.ArrayList rules
Constructor Detail |
---|
public RulesBase()
Method Detail |
---|
public Digester getDigester()
getDigester
in interface Rules
public void setDigester(Digester digester)
setDigester
in interface Rules
digester
- The newly associated Digester instancepublic java.lang.String getNamespaceURI()
Rule
objects.
getNamespaceURI
in interface Rules
public void setNamespaceURI(java.lang.String namespaceURI)
Rule
objects.
setNamespaceURI
in interface Rules
namespaceURI
- Namespace URI that must match on all
subsequently added rules, or null
for matching
regardless of the current namespace URIpublic void add(java.lang.String pattern, Rule rule)
add
in interface Rules
pattern
- Nesting pattern to be matched for this Rulerule
- Rule instance to be registeredpublic void clear()
clear
in interface Rules
public java.util.List match(java.lang.String pattern)
add()
method.
match
in interface Rules
pattern
- Nesting pattern to be matchedpublic java.util.List match(java.lang.String namespaceURI, java.lang.String pattern)
add()
method.
match
in interface Rules
namespaceURI
- Namespace URI for which to select matching rules,
or null
to match regardless of namespace URIpattern
- Nesting pattern to be matchedpublic java.util.List rules()
add()
method.
rules
in interface Rules
protected java.util.List lookup(java.lang.String namespaceURI, java.lang.String pattern)
null
.
namespaceURI
- Namespace URI to match, or null
to
select matching rules regardless of namespace URIpattern
- Pattern to be matched
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