org.eclipse.emf.ecore.resource.impl
Class ContentHandlerImpl.Describer

java.lang.Object
  org.eclipse.emf.ecore.resource.impl.ContentHandlerImpl.Describer

All Implemented Interfaces:

IContentDescriber, ITextContentDescriber, IExecutableExtension

Direct Known Subclasses:

RootXMLContentHandlerImpl.Describer, XMLContentHandlerImpl.XMI.Describer

Enclosing class:

ContentHandlerImpl

public static class ContentHandlerImpl.Describer
extends java.lang.Object
implements IContentDescriber, ITextContentDescriber, IExecutableExtension

An implementation of a describer that delegates to a ContentHandler.

Field Summary

protected static java.lang.String	CONTENT_TYPE_ID The key in the parameters map representing the content type identifier String.
protected ContentHandler	contentHandler The content handler delegate.
protected static java.lang.String	EXTENSIONS The key in the parameters map representing the extensions, which are encoded as a space separate list of suffixes.

Constructor Summary

ContentHandlerImpl.Describer()

Method Summary

protected ContentHandler	createContentHandler(java.util.Map<java.lang.String,java.lang.String> parameters) Returns the new content handler for the given parameters that were supplied by the registration of the Eclipse content type.
int	describe(java.io.InputStream inputStream, IContentDescription description)
int	describe(java.io.Reader reader, IContentDescription description)
protected java.lang.Object	getDescriptionValue(QualifiedName qualifiedName, java.lang.Object value) Returns the given property's basic EMF value converted to the corresponding Eclipse value.
protected java.util.Map<java.lang.String,java.lang.String>	getParameters(IConfigurationElement configurationElement, java.lang.String propertyName, java.lang.Object data) Returns the map of parameters as fetched from the given configuration element's information.
protected java.lang.String	getProperty(QualifiedName qualifiedName) Returns the qualified name converted to the corresponding property string.
QualifiedName[]	getSupportedOptions() Returns the qualified names of the supported options.
void	setInitializationData(IConfigurationElement configurationElement, java.lang.String propertyName, java.lang.Object data)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

contentHandler

protected ContentHandler contentHandler

The content handler delegate.

CONTENT_TYPE_ID

protected static final java.lang.String CONTENT_TYPE_ID

The key in the parameters map representing the content type identifier String.

See Also:

Constant Field Values

EXTENSIONS

protected static final java.lang.String EXTENSIONS

The key in the parameters map representing the extensions, which are encoded as a space separate list of suffixes.

See Also:

Constant Field Values

Constructor Detail

ContentHandlerImpl.Describer

public ContentHandlerImpl.Describer()

Method Detail

getSupportedOptions

public QualifiedName[] getSupportedOptions()

Returns the qualified names of the supported options. This base implementation supports only IContentDescription.CHARSET and IContentDescription.BYTE_ORDER_MARK.

Specified by:

getSupportedOptions in interface IContentDescriber

Returns:

the qualified names of the supported options.

getProperty

protected java.lang.String getProperty(QualifiedName qualifiedName)

Returns the qualified name converted to the corresponding property string.

Parameters:

qualifiedName - the qualified name to convert.

Returns:

the qualified name converted to the corresponding property string.

getDescriptionValue

protected java.lang.Object getDescriptionValue(QualifiedName qualifiedName,
                                               java.lang.Object value)

Returns the given property's basic EMF value converted to the corresponding Eclipse value.

Parameters:

qualifiedName - the name of the property for which this value applies.

value - the value to convert.

Returns:

the given property's basic EMF value converted to the corresponding Eclipse value.

describe

public int describe(java.io.InputStream inputStream,
                    IContentDescription description)
             throws java.io.IOException

Specified by:

describe in interface IContentDescriber

Throws:

java.io.IOException

describe

public int describe(java.io.Reader reader,
                    IContentDescription description)
             throws java.io.IOException

Specified by:

describe in interface ITextContentDescriber

Throws:

java.io.IOException

setInitializationData

public void setInitializationData(IConfigurationElement configurationElement,
                                  java.lang.String propertyName,
                                  java.lang.Object data)
                           throws CoreException

Specified by:

setInitializationData in interface IExecutableExtension

Throws:

CoreException

createContentHandler

protected ContentHandler createContentHandler(java.util.Map<java.lang.String,java.lang.String> parameters)

Returns the new content handler for the given parameters that were supplied by the registration of the Eclipse content type.

Parameters:

parameters - the parameter for configuring the content handler.

Returns:

the next content handler.

getParameters

protected java.util.Map<java.lang.String,java.lang.String> getParameters(IConfigurationElement configurationElement,
                                                                         java.lang.String propertyName,
                                                                         java.lang.Object data)

Returns the map of parameters as fetched from the given configuration element's information. This implementation populates the content type identifier and the extensions.

Parameters:

configurationElement - the configuration element of the content type.

propertyName - the property for this particular for this instance.

data - the data associated with this instance.

Returns:

the map of parameters as fetched from the given configuration element's information.