Package gov.usgs.earthquake.indexer

Class SearchResponseXmlProductSource

java.lang.Object

org.xml.sax.helpers.DefaultHandler

gov.usgs.earthquake.product.io.XmlProductSource

gov.usgs.earthquake.indexer.SearchResponseXmlProductSource

All Implemented Interfaces:

ProductSource, ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class SearchResponseXmlProductSource
extends XmlProductSource

Used by SearchResponseParser to store products during parsing. Creates a "background" storage thread for storing, while this classes startElement, characters, and endElement methods are called by the "foreground" xml parsing thread.

Constructor Summary

Constructors

Constructor	Description
SearchResponseXmlProductSource(FileProductStorage storage)	Construct a SearchResponseXmlProductSource.

Method Summary

Modifier and Type	Method	Description
void	endElement(String uri, String localName, String qName)	Override DefaultHandler endElement.
Product	getProduct()
FileProductStorage	getStorage()
protected void	setProduct(Product product)	Method used by storage to provide the parsed product.
void	setStorage(FileProductStorage storage)
void	startElement(String uri, String localName, String qName, Attributes attributes)	Override DefaultHandler startElement.
void	streamTo(ProductHandler handler)	Called by the underlying product storage as part os storeProductSource.

Methods inherited from class gov.usgs.earthquake.product.io.XmlProductSource

characters, close, closeContent, getHandler, openContentStream, setHandler

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

declaration

Constructor Details

SearchResponseXmlProductSource

public SearchResponseXmlProductSource(FileProductStorage storage)

Construct a SearchResponseXmlProductSource.

Parameters:

storage - the storage where the parsed product is stored.

Method Details

streamTo

public void streamTo(ProductHandler handler)

Called by the underlying product storage as part os storeProductSource. This method notifies the XML parsing thread that parsing may continue, since the handler is now setup.

Specified by:

streamTo in interface ProductSource

Overrides:

streamTo in class XmlProductSource

Parameters:

handler - the receiving ProductOutput.

startElement

public void startElement(String uri,
 String localName,
 String qName,
 Attributes attributes)
                  throws SAXException

Description copied from class: XmlProductSource

Override DefaultHandler startElement. Adds a new element content buffer and calls onStartElement.

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class XmlProductSource

Parameters:

uri - element uri.

localName - element localName.

qName - element qName.

attributes - element attributes.

Throws:

SAXException - if onStartElement throws a SAXException.

endElement

public void endElement(String uri,
 String localName,
 String qName)
                throws SAXException

Description copied from class: XmlProductSource

Override DefaultHandler endElement. Retrieves element content buffer and passes it to onEndElement.

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class XmlProductSource

Parameters:

uri - element uri.

localName - element localName.

qName - element qName.

Throws:

SAXException - if onEndElement throws a SAXException.

setStorage

public void setStorage(FileProductStorage storage)

Parameters:

storage - FileProductStorage to set

getStorage

public FileProductStorage getStorage()

Returns:

FileProductStorage

getProduct

public Product getProduct()

Returns:

the parsed, stored product.

setProduct

protected void setProduct(Product product)

Method used by storage to provide the parsed product.

Parameters:

product - to set