org.apache.felix.scr.impl.xml

Class XmlHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

org.apache.felix.scr.impl.xml.XmlHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class XmlHandler
extends org.xml.sax.helpers.DefaultHandler

XML Parser for the component XML

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	firstElement Flag for detecting the first element.
protected boolean	isComponent Flag for elements inside a component element
private org.osgi.framework.Bundle	m_bundle
private java.util.List<ComponentMetadata>	m_components
private ComponentMetadata	m_currentComponent
private ServiceMetadata	m_currentService
private boolean	m_globalDelayedKeepInstances
private boolean	m_globalObsoleteFactoryComponentFactory
private BundleLogger	m_logger
private PropertyMetadata	m_pendingFactoryProperty
private PropertyMetadata	m_pendingProperty
protected java.lang.String	overrideNamespace Override namespace.
private java.lang.StringBuilder	propertyBuilder

Constructor Summary

Constructors

Constructor and Description
XmlHandler(org.osgi.framework.Bundle bundle, BundleLogger logger, boolean globalObsoleteFactoryComponentFactory, boolean globalDelayedKeepInstances)

Method Summary

Modifier and Type	Method and Description
void	characters(char[] ch, int start, int length)
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
java.util.List<ComponentMetadata>	getComponentMetadataList() Called to retrieve the service descriptors
private java.util.Properties	readPropertiesEntry(java.lang.String entryName) Reads the name property file from the bundle owning this descriptor.
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)

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

Field Detail

m_bundle

private final org.osgi.framework.Bundle m_bundle

m_logger

private final BundleLogger m_logger

m_globalObsoleteFactoryComponentFactory

private final boolean m_globalObsoleteFactoryComponentFactory

m_globalDelayedKeepInstances

private final boolean m_globalDelayedKeepInstances

m_currentComponent

private ComponentMetadata m_currentComponent

m_currentService

private ServiceMetadata m_currentService

m_components

private java.util.List<ComponentMetadata> m_components

m_pendingProperty

private PropertyMetadata m_pendingProperty

m_pendingFactoryProperty

private PropertyMetadata m_pendingFactoryProperty

propertyBuilder

private java.lang.StringBuilder propertyBuilder

firstElement

protected boolean firstElement

Flag for detecting the first element.

overrideNamespace

protected java.lang.String overrideNamespace

Override namespace.

isComponent

protected boolean isComponent

Flag for elements inside a component element

Constructor Detail

XmlHandler

public XmlHandler(org.osgi.framework.Bundle bundle,
                  BundleLogger logger,
                  boolean globalObsoleteFactoryComponentFactory,
                  boolean globalDelayedKeepInstances)

Method Detail

getComponentMetadataList

public java.util.List<ComponentMetadata> getComponentMetadataList()

Called to retrieve the service descriptors

Returns:

A list of service descriptors

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

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

Specified by:

endElement in interface org.xml.sax.ContentHandler

Overrides:

endElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Specified by:

characters in interface org.xml.sax.ContentHandler

Overrides:

characters in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

readPropertiesEntry

private java.util.Properties readPropertiesEntry(java.lang.String entryName)
                                          throws org.xml.sax.SAXException

Reads the name property file from the bundle owning this descriptor. All properties read from the properties file are added to the current component's property meta data list.

Parameters:

entryName - The name of the bundle entry containing the propertes to be added. This must not be null.

Throws:

org.xml.sax.SAXException - If the entry name is null or no entry with the given name exists in the bundle or an error occurrs reading the properties file.