com.alvermont.bcimport
Class BCHandler

java.lang.Object
  extended by org.xml.sax.helpers.DefaultHandler
      extended by com.alvermont.bcimport.BCHandler
All Implemented Interfaces:
org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class BCHandler
extends org.xml.sax.helpers.DefaultHandler
implements org.xml.sax.ContentHandler

SAX2 ContentHandler that process the input XML file obtained from the blog-city site.

Note this handler does not properly deal with the document tree. This was a rapidly written program for a one-off application. A normal production application should make sure that the elements it is processing are in the correct XML tree.


Constructor Summary
BCHandler()
          Creates a new instance of BCHandler
 
Method Summary
 void characters(char[] ch, int start, int length)
          Receive notification of character data inside an element.
 void endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
          Receive notification of the end of an element.
 java.util.List<Post> getPosts()
          Get a (read only) list of posts from this object
 void startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)
          Receive notification of the start of an element.
 
Methods inherited from class org.xml.sax.helpers.DefaultHandler
endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning
 
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
endDocument, endPrefixMapping, ignorableWhitespace, processingInstruction, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping
 

Constructor Detail

BCHandler

public BCHandler()
Creates a new instance of BCHandler

Method Detail

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException
Receive notification of character data inside an element.

By default, do nothing. Application writers may override this method to take specific actions for each chunk of character data (such as adding the data to a node or buffer, or printing it to a file).

Specified by:
characters in interface org.xml.sax.ContentHandler
Overrides:
characters in class org.xml.sax.helpers.DefaultHandler
Parameters:
ch - The characters.
start - The start position in the character array.
length - The number of characters to use from the character array.
Throws:
org.xml.sax.SAXException - Any SAX exception, possibly wrapping another exception.
See Also:
ContentHandler.characters(char[], int, int)

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException
Receive notification of the end of an element.

By default, do nothing. Application writers may override this method in a subclass to take specific actions at the end of each element (such as finalising a tree node or writing output to a file).

Specified by:
endElement in interface org.xml.sax.ContentHandler
Overrides:
endElement in class org.xml.sax.helpers.DefaultHandler
Parameters:
uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.
localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.
qName - The qualified name (with prefix), or the empty string if qualified names are not available.
Throws:
org.xml.sax.SAXException - Any SAX exception, possibly wrapping another exception.
See Also:
ContentHandler.endElement(java.lang.String, java.lang.String, java.lang.String)

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException
Receive notification of the start of an element.

By default, do nothing. Application writers may override this method in a subclass to take specific actions at the start of each element (such as allocating a new tree node or writing output to a file).

Specified by:
startElement in interface org.xml.sax.ContentHandler
Overrides:
startElement in class org.xml.sax.helpers.DefaultHandler
Parameters:
uri - The Namespace URI, or the empty string if the element has no Namespace URI or if Namespace processing is not being performed.
localName - The local name (without prefix), or the empty string if Namespace processing is not being performed.
qName - The qualified name (with prefix), or the empty string if qualified names are not available.
attributes - The attributes attached to the element. If there are no attributes, it shall be an empty Attributes object.
Throws:
org.xml.sax.SAXException - Any SAX exception, possibly wrapping another exception.
See Also:
ContentHandler.startElement(java.lang.String, java.lang.String, java.lang.String, org.xml.sax.Attributes)

getPosts

public java.util.List<Post> getPosts()
Get a (read only) list of posts from this object

Returns:
A list of Post objects that were parsed from the file