|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Objectdiva.util.xml.XmlReader.Handler
public class XmlReader.Handler
Handler is an inner class that implements the Aelfred XmlHandler interface. It constructs XmlElements and also initializes the current XmlDocument from things like the doctype declaration. In verbose mode, it prints out lots of additional info during the parse.
Constructor Summary | |
---|---|
XmlReader.Handler()
|
Method Summary | |
---|---|
protected String |
_currentExternalEntity()
|
void |
attribute(String name,
String value,
boolean specified)
Handle an attribute assignment that is part of an XML element. |
void |
charData(char[] c,
int offset,
int length)
Append the given character bytes to the character data of the current XML element. |
void |
doctypeDecl(String name,
String publicId,
String systemId)
Handle a document type declaration. |
void |
endDocument()
End the document. |
void |
endElement(String name)
Move up one level in the parse tree. |
void |
endExternalEntity(String URI)
Move up one level in the external entity tree. |
void |
error(String message,
String sysid,
int line,
int column)
Print an error message to the error stream. |
void |
ignorableWhitespace(char[] ch,
int start,
int length)
Handle ignorable whitespace. |
void |
processingInstruction(String target,
String data)
Handle a processing instruction. |
Object |
resolveEntity(String pubID,
String sysID)
Attempt resolve the public ID representing an XML external entity into a valid string url. |
void |
startDocument()
Start a document. |
void |
startElement(String name)
Start an element. |
void |
startExternalEntity(String URI)
Move down one level in the entity tree. |
Methods inherited from class java.lang.Object |
---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
---|
public XmlReader.Handler()
Method Detail |
---|
public void attribute(String name, String value, boolean specified) throws Exception
attribute
in interface XmlHandler
name
- The name of the attribute.value
- The value of the attribute, or null if the attribute
is #IMPLIED
and not specified.specified
- True if the value is specified, false if the
value comes from the default value in the DTD rather than from
the XML file.
XmlException
- If the name or value is null.
Exception
- The handler may throw any exception.XmlHandler.startElement(java.lang.String)
,
XmlParser.declaredAttributes(java.lang.String)
,
XmlParser.getAttributeType(java.lang.String, java.lang.String)
,
XmlParser.getAttributeDefaultValue(java.lang.String, java.lang.String)
public void charData(char[] c, int offset, int length) throws Exception
charData
in interface XmlHandler
c
- The character data.offset
- The starting position in the array.length
- The number of characters available.
Exception
- The handler may throw any exception.public void doctypeDecl(String name, String publicId, String systemId) throws Exception
doctypeDecl
in interface XmlHandler
name
- The document type name.publicId
- The public identifier, or null if unspecified.systemId
- The system identifier, or null if unspecified.
Exception
- The handler may throw any exception.public void endDocument() throws Exception
endDocument
in interface XmlHandler
Exception
- The handler may throw any exception.XmlHandler.startDocument()
public void endElement(String name) throws Exception
endElement
in interface XmlHandler
name
- The element type name.
Exception
- The handler may throw any exception.XmlHandler.startElement(java.lang.String)
,
XmlParser.declaredElements()
,
XmlParser.getElementContentType(java.lang.String)
public void endExternalEntity(String URI) throws Exception
endExternalEntity
in interface XmlHandler
URI
- The URI of the external entity that is ending.
XmlException
- If given URI was not the URI that was expected,
based on the external entity tree.
Exception
- The handler may throw any exception.XmlHandler.startExternalEntity(java.lang.String)
,
XmlHandler.resolveEntity(java.lang.String, java.lang.String)
public void error(String message, String sysid, int line, int column) throws Exception
error
in interface XmlHandler
message
- The error message.sysid
- The system identifier of the entity that
contains the error.line
- The approximate line number of the error.column
- The approximate column number of the error.
Exception
- The handler may throw any exception.XmlException
public void ignorableWhitespace(char[] ch, int start, int length) throws Exception
The default implementation does nothing.
ignorableWhitespace
in interface XmlHandler
ch
- The literal whitespace characters.start
- The starting position in the array.length
- The number of whitespace characters available.
Exception
- Derived methods may throw exceptions.com.microstar.xml.XmlHandler#ignorableWhitespace
public void processingInstruction(String target, String data) throws Exception
The default implementation does nothing.
processingInstruction
in interface XmlHandler
target
- The target (the name at the start of the PI).data
- The data, if any (the rest of the PI).
Exception
- Derived methods may throw exceptions.com.microstar.xml.XmlHandler#processingInstruction
public Object resolveEntity(String pubID, String sysID) throws Exception
resolveEntity
in interface XmlHandler
pubID
- The public identifier, or null if none was supplied.sysID
- The system identifier.
Exception
- The handler may throw any exception.XmlHandler.startExternalEntity(java.lang.String)
,
XmlHandler.endExternalEntity(java.lang.String)
public void startDocument()
startDocument
in interface XmlHandler
XmlHandler.endDocument()
public void startElement(String name)
startElement
in interface XmlHandler
name
- the element type of the element that is beginning.XmlHandler.attribute(java.lang.String, java.lang.String, boolean)
,
XmlHandler.endElement(java.lang.String)
,
XmlParser.declaredElements()
,
XmlParser.getElementContentType(java.lang.String)
public void startExternalEntity(String URI) throws Exception
startExternalEntity
in interface XmlHandler
URI
- The URI of the external entity that is starting.
Exception
- The handler may throw any exception.XmlHandler.endExternalEntity(java.lang.String)
,
XmlHandler.resolveEntity(java.lang.String, java.lang.String)
protected String _currentExternalEntity()
|
|||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |