Top Description Inners Fields Constructors Methods
org.glassfish.jaxb.runtime.v2.runtime.unmarshaller

public final Class SAXConnector

extends Object
implements UnmarshallerHandler
Class Inheritance
All Implemented Interfaces
jakarta.xml.bind.UnmarshallerHandler, org.xml.sax.ContentHandler
Imports
org.glassfish.jaxb.core.Utils, .WhiteSpaceProcessor, org.glassfish.jaxb.core.v2.runtime.unmarshaller.LocatorEx, jakarta.xml.bind.JAXBException, .UnmarshallerHandler, org.xml.sax.Attributes, .Locator, .SAXException, java.util.logging.Level, .Logger

Receives SAX events and convert them to our internal events.
Author
Kohsuke Kawaguchi

Nested and Inner Type Summary

Modifier and TypeClass and Description
private static class

Field Summary

Modifier and TypeField and Description
private final StringBuilder
buffer

SAX may fire consecutive characters event, but we don't allow it.

private final UnmarshallingContext
private LocatorEx
private static final Logger
private final XmlVisitor
private final XmlVisitor.TextPredictor
private final SAXConnector.TagNameImpl

Constructor Summary

AccessConstructor and Description
public
SAXConnector(XmlVisitor next, LocatorEx
If the caller is producing SAX events from sources other than Unicode and angle brackets, the caller can override the default SAX Locator object by this object to provide better location information.
externalLocator
)

Method Summary

Modifier and TypeMethod and Description
public void
characters(char[] buf, int start, int len)

Implements org.xml.sax.ContentHandler.characters.

Receive notification of character data.

public void
endDocument()

Implements org.xml.sax.ContentHandler.endDocument.

Receive notification of the end of a document.

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

Implements org.xml.sax.ContentHandler.endElement.

Receive notification of the end of an element.

public void
endPrefixMapping(String prefix)

Implements org.xml.sax.ContentHandler.endPrefixMapping.

End the scope of a prefix-URI mapping.

public UnmarshallingContext
public Object
getResult()

Implements jakarta.xml.bind.UnmarshallerHandler.getResult.

Obtains the unmarshalled result.

public void
ignorableWhitespace(char[] buf, int start, int len)

Implements org.xml.sax.ContentHandler.ignorableWhitespace.

Receive notification of ignorable whitespace in element content.

public void
processingInstruction(String target, String data)

Implements org.xml.sax.ContentHandler.processingInstruction.

Receive notification of a processing instruction.

private void
processText(boolean ignorable)

public void
setDocumentLocator(final Locator locator)

Implements org.xml.sax.ContentHandler.setDocumentLocator.

Receive an object for locating the origin of SAX document events.

public void
skippedEntity(String name)

Implements org.xml.sax.ContentHandler.skippedEntity.

Receive notification of a skipped entity.

public void
startDocument()

Implements org.xml.sax.ContentHandler.startDocument.

Receive notification of the beginning of a document.

public void
startElement(String uri, String local, String qname, Attributes atts)

Implements org.xml.sax.ContentHandler.startElement.

Receive notification of the beginning of an element.

public void
startPrefixMapping(String prefix, String uri)

Implements org.xml.sax.ContentHandler.startPrefixMapping.

Begin the scope of a prefix-URI Namespace mapping.

Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

bufferback to summary
private final StringBuilder buffer

SAX may fire consecutive characters event, but we don't allow it. so use this buffer to perform buffering.

contextback to summary
private final UnmarshallingContext context
locback to summary
private LocatorEx loc
loggerback to summary
private static final Logger logger
nextback to summary
private final XmlVisitor next
predictorback to summary
private final XmlVisitor.TextPredictor predictor
tagNameback to summary
private final SAXConnector.TagNameImpl tagName

Constructor Detail

SAXConnectorback to summary
public SAXConnector(XmlVisitor next, LocatorEx externalLocator)
Parameters
externalLocator:LocatorEx

If the caller is producing SAX events from sources other than Unicode and angle brackets, the caller can override the default SAX Locator object by this object to provide better location information.

Method Detail

charactersback to summary
public void characters(char[] buf, int start, int len)

Implements org.xml.sax.ContentHandler.characters.

Doc from org.xml.sax.ContentHandler.characters.

Receive notification of character data.

The Parser will call this method to report each chunk of character data. SAX parsers may return all contiguous character data in a single chunk, or they may split it into several chunks; however, all of the characters in any single event must come from the same external entity so that the Locator provides useful information.

The application must not attempt to read from the array outside of the specified range.

Individual characters may consist of more than one Java char value. There are two important cases where this happens, because characters can't be represented in just sixteen bits. In one case, characters are represented in a Surrogate Pair, using two special Unicode values. Such characters are in the so-called "Astral Planes", with a code point above U+FFFF. A second case involves composite characters, such as a base character combining with one or more accent characters.

Your code should not assume that algorithms using char-at-a-time idioms will be working in character units; in some cases they will split characters. This is relevant wherever XML permits arbitrary characters, such as attribute values, processing instruction data, and comments as well as in data reported from this method. It's also generally relevant whenever Java code manipulates internationalized text; the issue isn't unique to XML.

Note that some parsers will report whitespace in element content using the ignorableWhitespace method rather than this one (validating parsers must do so).

Annotations
@Override
endDocumentback to summary
public void endDocument() throws SAXException

Implements org.xml.sax.ContentHandler.endDocument.

Doc from org.xml.sax.ContentHandler.endDocument.

Receive notification of the end of a document.

This method is invoked by the parser to signal it has reached the end of the document after successfully completing the parsing process. After the event, the parser will return the control to the application.

Annotations
@Override
Exceptions
SAXException:
any SAX exception, possibly wrapping another exception
endElementback to summary
public void endElement(String uri, String localName, String qName) throws SAXException

Implements org.xml.sax.ContentHandler.endElement.

Doc from org.xml.sax.ContentHandler.endElement.

Receive notification of the end of an element.

The SAX parser will invoke this method at the end of every element in the XML document; there will be a corresponding startElement event for every endElement event (even when the element is empty).

For information on the names, see startElement.

Annotations
@Override
Exceptions
SAXException:
any SAX exception, possibly wrapping another exception
endPrefixMappingback to summary
public void endPrefixMapping(String prefix) throws SAXException

Implements org.xml.sax.ContentHandler.endPrefixMapping.

Doc from org.xml.sax.ContentHandler.endPrefixMapping.

End the scope of a prefix-URI mapping.

See startPrefixMapping for details. These events will always occur immediately after the corresponding endElement event, but the order of endPrefixMapping events is not otherwise guaranteed.

Annotations
@Override
Exceptions
SAXException:
the client may throw an exception during processing
getContextback to summary
public UnmarshallingContext getContext()
getResultback to summary
public Object getResult() throws JAXBException, IllegalStateException

Implements jakarta.xml.bind.UnmarshallerHandler.getResult.

Doc from jakarta.xml.bind.UnmarshallerHandler.getResult.

Obtains the unmarshalled result. This method can be called only after this handler receives the endDocument SAX event.

Annotations
@Override
Exceptions
JAXBException:
if there is any unmarshalling error. Note that the implementation is allowed to throw SAXException during the parsing when it finds an error.
IllegalStateException:
if this method is called before this handler receives the endDocument event.
ignorableWhitespaceback to summary
public void ignorableWhitespace(char[] buf, int start, int len)

Implements org.xml.sax.ContentHandler.ignorableWhitespace.

Doc from org.xml.sax.ContentHandler.ignorableWhitespace.

Receive notification of ignorable whitespace in element content.

Validating Parsers must use this method to report each chunk of whitespace in element content (see the W3C XML 1.0 recommendation, section 2.10): non-validating parsers may also use this method if they are capable of parsing and using content models.

SAX parsers may return all contiguous whitespace in a single chunk, or they may split it into several chunks; however, all of the characters in any single event must come from the same external entity, so that the Locator provides useful information.

The application must not attempt to read from the array outside of the specified range.

Annotations
@Override
processingInstructionback to summary
public void processingInstruction(String target, String data)

Implements org.xml.sax.ContentHandler.processingInstruction.

Doc from org.xml.sax.ContentHandler.processingInstruction.

Receive notification of a processing instruction.

The Parser will invoke this method once for each processing instruction found: note that processing instructions may occur before or after the main document element.

A SAX parser must never report an XML declaration (XML 1.0, section 2.8) or a text declaration (XML 1.0, section 4.3.1) using this method.

Like characters(), processing instruction data may have characters that need more than one char value.

Annotations
@Override
processTextback to summary
private void processText(boolean ignorable) throws SAXException
setDocumentLocatorback to summary
public void setDocumentLocator(final Locator locator)

Implements org.xml.sax.ContentHandler.setDocumentLocator.

Doc from org.xml.sax.ContentHandler.setDocumentLocator.

Receive an object for locating the origin of SAX document events.

SAX parsers are strongly encouraged (though not absolutely required) to supply a locator: if it does so, it must supply the locator to the application by invoking this method before invoking any of the other methods in the ContentHandler interface.

The locator allows the application to determine the end position of any document-related event, even if the parser is not reporting an error. Typically, the application will use this information for reporting its own errors (such as character content that does not match an application's business rules). The information returned by the locator is probably not sufficient for use with a search engine.

Note that the locator will return correct information only during the invocation SAX event callbacks after startDocument returns and before endDocument is called. The application should not attempt to use it at any other time.

Annotations
@Override
skippedEntityback to summary
public void skippedEntity(String name)

Implements org.xml.sax.ContentHandler.skippedEntity.

Doc from org.xml.sax.ContentHandler.skippedEntity.

Receive notification of a skipped entity. This is not called for entity references within markup constructs such as element start tags or markup declarations. (The XML recommendation requires reporting skipped external entities. SAX also reports internal entity expansion/non-expansion, except within markup constructs.)

The Parser will invoke this method each time the entity is skipped. Non-validating processors may skip entities if they have not seen the declarations (because, for example, the entity was declared in an external DTD subset). All processors may skip external entities, depending on the values of the http://xml.org/sax/features/external-general-entities and the http://xml.org/sax/features/external-parameter-entities properties.

Annotations
@Override
startDocumentback to summary
public void startDocument() throws SAXException

Implements org.xml.sax.ContentHandler.startDocument.

Doc from org.xml.sax.ContentHandler.startDocument.

Receive notification of the beginning of a document.

The SAX parser will invoke this method only once, before any other event callbacks (except for setDocumentLocator).

Annotations
@Override
Exceptions
SAXException:
any SAX exception, possibly wrapping another exception
startElementback to summary
public void startElement(String uri, String local, String qname, Attributes atts) throws SAXException

Implements org.xml.sax.ContentHandler.startElement.

Doc from org.xml.sax.ContentHandler.startElement.

Receive notification of the beginning of an element.

The Parser will invoke this method at the beginning of every element in the XML document; there will be a corresponding endElement event for every startElement event (even when the element is empty). All of the element's content will be reported, in order, before the corresponding endElement event.

This event allows up to three name components for each element:

  1. the Namespace URI;
  2. the local name; and
  3. the qualified (prefixed) name.

Any or all of these may be provided, depending on the values of the http://xml.org/sax/features/namespaces and the http://xml.org/sax/features/namespace-prefixes properties:

  • the Namespace URI and local name are required when the namespaces property is true (the default), and are optional when the namespaces property is false (if one is specified, both must be);
  • the qualified name is required when the namespace-prefixes property is true, and is optional when the namespace-prefixes property is false (the default).

Note that the attribute list provided will contain only attributes with explicit values (specified or defaulted): #IMPLIED attributes will be omitted. The attribute list will contain attributes used for Namespace declarations (xmlns* attributes) only if the http://xml.org/sax/features/namespace-prefixes property is true (it is false by default, and support for a true value is optional).

Like characters(), attribute values may have characters that need more than one char value.

Annotations
@Override
Exceptions
SAXException:
any SAX exception, possibly wrapping another exception
startPrefixMappingback to summary
public void startPrefixMapping(String prefix, String uri) throws SAXException

Implements org.xml.sax.ContentHandler.startPrefixMapping.

Doc from org.xml.sax.ContentHandler.startPrefixMapping.

Begin the scope of a prefix-URI Namespace mapping.

The information from this event is not necessary for normal Namespace processing: the SAX XML reader will automatically replace prefixes for element and attribute names when the http://xml.org/sax/features/namespaces feature is true (the default).

There are cases, however, when applications need to use prefixes in character data or in attribute values, where they cannot safely be expanded automatically; the start/endPrefixMapping event supplies the information to the application to expand prefixes in those contexts itself, if necessary.

Note that start/endPrefixMapping events are not guaranteed to be properly nested relative to each other: all startPrefixMapping events will occur immediately before the corresponding startElement event, and all endPrefixMapping events will occur immediately after the corresponding endElement event, but their order is not otherwise guaranteed.

There should never be start/endPrefixMapping events for the "xml" prefix, since it is predeclared and immutable.

Annotations
@Override
Exceptions
SAXException:
the client may throw an exception during processing
org.glassfish.jaxb.runtime.v2.runtime.unmarshaller back to summary

private final Class SAXConnector.TagNameImpl

extends TagName
Class Inheritance

Field Summary

Modifier and TypeField and Description
pack-priv String
Inherited from org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TagName:
attslocaluri

Constructor Summary

AccessConstructor and Description
private

Method Summary

Modifier and TypeMethod and Description
public String
getQname()

Implements abstract org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TagName.getQname.

Gets the qualified name of the tag.

Inherited from org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TagName:
createQNamegetPrefixmatchesmatchestoString

Field Detail

qnameback to summary
pack-priv String qname

Constructor Detail

TagNameImplback to summary
private TagNameImpl()

Method Detail

getQnameback to summary
public String getQname()

Implements abstract org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TagName.getQname.

Doc from org.glassfish.jaxb.runtime.v2.runtime.unmarshaller.TagName.getQname.

Gets the qualified name of the tag.

Annotations
@Override