com.mkdoc.sax
Class LinkTripleWriter
java.lang.Object
|
+--com.mkdoc.sax.AbstractContentHandler
|
+--com.mkdoc.sax.AbstractRdfContentHandler
|
+--com.mkdoc.sax.AbstractTripleWriter
|
+--com.mkdoc.sax.LinkTripleWriter
- All Implemented Interfaces:
- org.xml.sax.ContentHandler, ElementHandler, ElementTripleWriter, RdfContentHandler
- public class LinkTripleWriter
- extends AbstractTripleWriter
- implements org.xml.sax.ContentHandler, ElementTripleWriter
Triple writer for XHTML link
content.
Generates N-Triple style output without
escaping for non-ASCII characters, see
N-Triples. If used for file output, should have a
.nt
extension. If used for HTTP output,
should declare content type text/plain
.
- Version:
- 0.6 2005-09-09
- Author:
- Philip Shaw
- To do:
- Reduce complexity of the printTriples method.
Field Summary |
static java.lang.String |
LINK
The local name of the link element. |
Method Summary |
boolean |
acceptElement(java.lang.String uri,
java.lang.String localName)
Report whether an instance accepts named element types. |
void |
printTriples(java.lang.String sourceUri,
org.xml.sax.Attributes attributes,
java.io.PrintWriter printWriter)
Make a set of subject, predicate, object triple statements. |
void |
startElement(java.lang.String uri,
java.lang.String localName,
java.lang.String qName,
org.xml.sax.Attributes attributes)
Extract link element content. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Methods inherited from interface org.xml.sax.ContentHandler |
characters, endDocument, endElement, endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping |
LINK
public static final java.lang.String LINK
- The local name of the
link
element.
- Since:
- Version 0.2 2005-02-15
- See Also:
- Constant Field Values
LinkTripleWriter
public LinkTripleWriter(FileStoreManager manager,
java.net.URL url)
- Construct with an implicit output stream and initial URI.
For use as a stand-alone ContentHandler
with its own
output.
- Parameters:
manager
- A file store manager interface to write the triples to.url
- An initial URI subject.- Since:
- Version 0.1 2005-02-14
acceptElement
public final boolean acceptElement(java.lang.String uri,
java.lang.String localName)
- Report whether an instance accepts named element types.
- Specified by:
acceptElement
in interface ElementHandler
- Parameters:
uri
- The namespace URI for the document type.localName
- The local name of the element to check.
- Returns:
true
if this type is capable of handling the
specified element.- Since:
- Version 0.2 2005-02-15
startElement
public final void startElement(java.lang.String uri,
java.lang.String localName,
java.lang.String qName,
org.xml.sax.Attributes attributes)
throws org.xml.sax.SAXException
- Extract
link
element content.
- Specified by:
startElement
in interface org.xml.sax.ContentHandler
- Overrides:
startElement
in class AbstractContentHandler
- Parameters:
uri
- The namespace URI for the element.localName
- The local element name.qName
- The qualified element name.attributes
- A set of attributes.
- Throws:
org.xml.sax.SAXException
- If the element is not
a meta
element.- Since:
- Version 0.1 2005-02-14
printTriples
public final void printTriples(java.lang.String sourceUri,
org.xml.sax.Attributes attributes,
java.io.PrintWriter printWriter)
- Make a set of subject, predicate, object triple statements.
Processes rel
and rev
links inversely;
reverse relations give a reversal of the subject, predicate, object
where the current document becomes the object of the
statement.
- Specified by:
printTriples
in interface ElementTripleWriter
- Parameters:
sourceUri
- The URI of the source document of the metadata.attributes
- The link
element attributes.printWriter
- The output stream for the triples.- Since:
- Version 0.1 2005-02-14