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Java Source Code / Java Documentation » Content Management System » apache lenya 2.0 » org.apache.cocoon.components.source.impl

Source Cross Reference Class Diagram Java Document (Java Doc)

org.apache.cocoon.components.source.impl .XMLDBSource

XMLDBSource
public class XMLDBSource extends AbstractLogEnabled implements ModifiableTraversableSource,XMLizable(Code)
	This class implements the xmldb:// pseudo-protocol and allows to get XML content from an XML:DB enabled XML database. version: CVS $Id: XMLDBSource.java 579454 2007-09-26 03:48:46Z vgritsenko $

Field Summary
final protected static String	CDATA
final protected static String	COLLECTION
final protected static String	COLLECTIONS
final protected static String	COLLECTION_BASE_ATTR
final protected static String	COLLECTION_COUNT_ATTR
final protected static String	NAME_ATTR
final public static String	PREFIX
final protected static String	QCOLLECTION
final protected static String	QCOLLECTIONS
final protected static String	QRESOURCE
final protected static String	QRESULT
final protected static String	QRESULTSET
final protected static String	QUERY_ATTR
final protected static String	RESOURCE
final protected static String	RESOURCE_COUNT_ATTR
final protected static String	RESULT
final protected static String	RESULTSET
final protected static String	RESULTS_COUNT_ATTR
final protected static String	RESULT_DOCID_ATTR
final protected static String	RESULT_ID_ATTR
final public static String	URI
protected String	password
protected String	query
protected String	url
protected String	user

Constructor Summary
public	XMLDBSource(Logger logger, String user, String password, String srcUrl) The constructor.

Method Summary
public boolean	canCancel(OutputStream stream)
public void	cancel(OutputStream stream) Cancel the data sent to an `OutputStream` returned by XMLDBSource.getOutputStream() .
public String	createId() Create a new identifier for a resource within a collection.
public void	delete()
public boolean	exists()
public OutputStream	getBinaryOutputStream() Return an OutputStream to write data to a binary resource.
public Source	getChild(String name)
public java.util.Collection	getChildren()
public long	getContentLength()
public InputStream	getInputStream() Get an InputSource for the given URL.
public long	getLastModified()
public String	getMimeType()
public String	getName()
public OutputStream	getOutputStream() Return an OutputStream to write to.
public Source	getParent()
public String	getScheme()
public String	getURI()
public SourceValidity	getValidity()
public boolean	isCollection()
public void	makeCollection()
public void	refresh()
public void	toSAX(ContentHandler handler) Stream SAX events to a given ContentHandler.

Field Detail

CDATA
final protected static String CDATA(Code)

COLLECTION
final protected static String COLLECTION(Code)
	Element `<collection>`

COLLECTIONS
final protected static String COLLECTIONS(Code)
	Root element `<collections>`

COLLECTION_BASE_ATTR
final protected static String COLLECTION_BASE_ATTR(Code)

COLLECTION_COUNT_ATTR
final protected static String COLLECTION_COUNT_ATTR(Code)
	Attribute `collections` on the root element indicates count of collections in the collection

NAME_ATTR
final protected static String NAME_ATTR(Code)
	Attribute `name` on the collection/resource element

PREFIX
final public static String PREFIX(Code)
	Source prefix

QCOLLECTION
final protected static String QCOLLECTION(Code)
	Element `<xmldb:collection>` (raw name)

QCOLLECTIONS
final protected static String QCOLLECTIONS(Code)
	Root element `<xmldb:collections>` (raw name)

QRESOURCE
final protected static String QRESOURCE(Code)
	Element `<resource>` (raw name)

QRESULT
final protected static String QRESULT(Code)
	Element `<xmldb:result>` (raw name)

QRESULTSET
final protected static String QRESULTSET(Code)
	Root element `<xmldb:results>` (raw name)

QUERY_ATTR
final protected static String QUERY_ATTR(Code)

RESOURCE
final protected static String RESOURCE(Code)
	Element `<resource>`

RESOURCE_COUNT_ATTR
final protected static String RESOURCE_COUNT_ATTR(Code)
	Attribute `resources` on the root element indicates count of resources in the collection

RESULT
final protected static String RESULT(Code)
	Element `<result>`

RESULTSET
final protected static String RESULTSET(Code)
	Root element `<results>`

RESULTS_COUNT_ATTR
final protected static String RESULTS_COUNT_ATTR(Code)

RESULT_DOCID_ATTR
final protected static String RESULT_DOCID_ATTR(Code)

RESULT_ID_ATTR
final protected static String RESULT_ID_ATTR(Code)

URI
final public static String URI(Code)
	Source namespace

password
protected String password(Code)
	The supplied password

query
protected String query(Code)
	The part of URL after # sign

url
protected String url(Code)
	The requested URL

user
protected String user(Code)
	The supplied user

Constructor Detail

XMLDBSource
public XMLDBSource(Logger logger, String user, String password, String srcUrl)(Code)
	The constructor. Parameters: logger - the Logger instance. Parameters: user - username Parameters: password - password Parameters: srcUrl - the URL being queried.

Method Detail

canCancel
public boolean canCancel(OutputStream stream)(Code)
	Can the data sent to an `OutputStream` returned by XMLDBSource.getOutputStream() be cancelled ? true if the stream can be cancelled

cancel
public void cancel(OutputStream stream) throws IOException(Code)
	Cancel the data sent to an `OutputStream` returned by XMLDBSource.getOutputStream() . After cancelling, the stream should no longer be used.

createId
public String createId() throws SourceException(Code)
	Create a new identifier for a resource within a collection. The current source must be an existing collection. throws: SourceException - if collection does not exist or failed to create id

delete
public void delete() throws SourceException(Code)
	Delete the source

exists
public boolean exists()(Code)

getBinaryOutputStream
public OutputStream getBinaryOutputStream() throws IOException, MalformedURLException(Code)
	Return an OutputStream to write data to a binary resource.

getChild
public Source getChild(String name) throws SourceException(Code)

getChildren
public java.util.Collection getChildren() throws SourceException(Code)

getContentLength
public long getContentLength()(Code)

getInputStream
public InputStream getInputStream() throws IOException(Code)
	Get an InputSource for the given URL.

getLastModified
public long getLastModified()(Code)

getMimeType
public String getMimeType()(Code)

getName
public String getName()(Code)

getOutputStream
public OutputStream getOutputStream() throws IOException, MalformedURLException(Code)
	Return an OutputStream to write to. This method expects an XML document to be written in that stream. To create a binary resource, use XMLDBSource.getBinaryOutputStream() .

getParent
public Source getParent() throws SourceException(Code)

getScheme
public String getScheme()(Code)

getURI
public String getURI()(Code)

getValidity
public SourceValidity getValidity()(Code)

isCollection
public boolean isCollection()(Code)

makeCollection
public void makeCollection() throws SourceException(Code)

refresh
public void refresh()(Code)

toSAX
public void toSAX(ContentHandler handler) throws SAXException(Code)
	Stream SAX events to a given ContentHandler. If the requested resource is a collection, build an XML view of it.

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