RDFTopicMapWriter (Ontopia)

java.lang.Object
- net.ontopia.topicmaps.utils.rdf.RDFTopicMapWriter

All Implemented Interfaces:

TopicMapWriterIF
```
public class RDFTopicMapWriter
extends Object
implements TopicMapWriterIF
```
PUBLIC: A topic map writer that can convert topic maps to RDF. The conversion may result in an RDF event stream, an RDF model, or RDF serialized into the RDF/XML format.

Since:

2.0

Field Summary

Fields
Modifier and Type	Field and Description
`protected Predicate`	`filter`
`protected org.apache.jena.rdfxml.xmlinput.StatementHandler`	`handler`
`protected org.apache.jena.rdf.model.Model`	`model`
`protected Map`	`namepreds`
`protected Map`	`preferred_roles`
`protected boolean`	`preserve_reification`
`protected boolean`	`preserve_scope`
`static String`	`PROPERTY_FILTER`
`static String`	`PROPERTY_PRESERVE_REIFICATION`
`static String`	`PROPERTY_PRESERVE_SCOPE`
`protected Writer`	`writer`

Constructor Summary

Constructors
Constructor and Description
`RDFTopicMapWriter(org.apache.jena.rdf.model.Model model)` PUBLIC: Creates a writer that builds an RDF representation of the topic map in the given Jena RDF model.
`RDFTopicMapWriter(OutputStream stream)` PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML and using the UTF-8 character encoding.
`RDFTopicMapWriter(OutputStream stream, String encoding)` PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML and using the given character encoding.
`RDFTopicMapWriter(org.apache.jena.rdfxml.xmlinput.StatementHandler handler)` PUBLIC: Creates a writer that writes the RDF representation to the given StatementHandler.
`RDFTopicMapWriter(Writer writer)` PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`boolean`	`getPreserveReification()` PUBLIC: Returns true if the writer will use RDF reification to preserve reification in the topic map.
`boolean`	`getPreserveScope()` PUBLIC: Returns true if the writer will use RDF reification to preserve the scopes in the topic map.
`void`	`setAdditionalProperties(Map<String,Object> properties)` Sets additional properties for the RDFTopicMapWriter.
`void`	`setFilter(Predicate filter)` PUBLIC: Sets the filter that decides which topic map constructs are accepted and exported.
`void`	`setPreserveReification(boolean preserve_reification)` PUBLIC: Controls whether the writer will use RDF reification to preserve reification in the topic map.
`void`	`setPreserveScope(boolean preserve_scope)` PUBLIC: Controls whether the writer will use RDF reification to preserve the scopes in the topic map.
`protected void`	`setup(TopicMapIF topicmap)`
`protected void`	`write(AssociationIF assoc)`
`protected void`	`write(TopicIF topic)`
`void`	`write(TopicMapIF topicmap)` PUBLIC: Writes the given topic map to an implicit implementation dependent destination.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - PROPERTY_PRESERVE_REIFICATION
```
public static final String PROPERTY_PRESERVE_REIFICATION
```
    See Also:
    
    Constant Field Values
  - PROPERTY_PRESERVE_SCOPE
```
public static final String PROPERTY_PRESERVE_SCOPE
```
    See Also:
    
    Constant Field Values
  - PROPERTY_FILTER
```
public static final String PROPERTY_FILTER
```
    See Also:
    
    Constant Field Values
  - handler
```
protected org.apache.jena.rdfxml.xmlinput.StatementHandler handler
```
  - model
```
protected org.apache.jena.rdf.model.Model model
```
  - writer
```
protected Writer writer
```
  - namepreds
```
protected Map namepreds
```
  - preferred_roles
```
protected Map preferred_roles
```
  - preserve_scope
```
protected boolean preserve_scope
```
  - preserve_reification
```
protected boolean preserve_reification
```
  - filter
```
protected Predicate filter
```
- Constructor Detail
  - RDFTopicMapWriter
```
public RDFTopicMapWriter(org.apache.jena.rdfxml.xmlinput.StatementHandler handler)
```
    PUBLIC: Creates a writer that writes the RDF representation to the given StatementHandler.
  - RDFTopicMapWriter
```
public RDFTopicMapWriter(OutputStream stream)
                  throws IOException
```
    PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML and using the UTF-8 character encoding.
    
    Throws:
    
    IOException
  - RDFTopicMapWriter
```
public RDFTopicMapWriter(OutputStream stream,
                         String encoding)
                  throws IOException
```
    PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML and using the given character encoding.
    
    Throws:
    
    IOException
    
    Since:
    
    5.1.3
  - RDFTopicMapWriter
```
public RDFTopicMapWriter(Writer writer)
```
    PUBLIC: Creates a writer that writes the RDF representation to the given OutputStream serialized to RDF/XML.
  - RDFTopicMapWriter
```
public RDFTopicMapWriter(org.apache.jena.rdf.model.Model model)
```
    PUBLIC: Creates a writer that builds an RDF representation of the topic map in the given Jena RDF model.
- Method Detail
  - setPreserveScope
```
public void setPreserveScope(boolean preserve_scope)
```
    PUBLIC: Controls whether the writer will use RDF reification to preserve the scopes in the topic map.
  - getPreserveScope
```
public boolean getPreserveScope()
```
    PUBLIC: Returns true if the writer will use RDF reification to preserve the scopes in the topic map.
  - setPreserveReification
```
public void setPreserveReification(boolean preserve_reification)
```
    PUBLIC: Controls whether the writer will use RDF reification to preserve reification in the topic map.
  - getPreserveReification
```
public boolean getPreserveReification()
```
    PUBLIC: Returns true if the writer will use RDF reification to preserve reification in the topic map.
  - setFilter
```
public void setFilter(Predicate filter)
```
    PUBLIC: Sets the filter that decides which topic map constructs are accepted and exported. Uses 'filter' to identify individual topic constructs as allowed or disallowed. TM constructs that depend on the disallowed topics are also disallowed.
    
    Parameters:
    
    filter - Places constraints on individual topicmap constructs.
  - write
```
public void write(TopicMapIF topicmap)
```
    Description copied from interface: TopicMapWriterIF
    
    PUBLIC: Writes the given topic map to an implicit implementation dependent destination. The write method will close any resources opened internally. This means that the write method can only be called once if the stream/writer was opened internally.
    
    Specified by:
    
    write in interface TopicMapWriterIF
    
    Parameters:
    
    topicmap - The topic map to be exported/written; an object implementing TopicMapIF
  - write
```
protected void write(TopicIF topic)
```
  - write
```
protected void write(AssociationIF assoc)
```
  - setup
```
protected void setup(TopicMapIF topicmap)
```
  - setAdditionalProperties
```
public void setAdditionalProperties(Map<String,Object> properties)
```
    Sets additional properties for the RDFTopicMapWriter. Accepted properties:
    - 'preserveReification' (Boolean), corresponds to setPreserveReification(boolean)
    - 'preserveScope' (Boolean), corresponds to setPreserveScope(boolean)
    - 'filter' (DeciderIF), corresponds to #setFilter(net.ontopia.utils.DeciderIF)
    Specified by:
    
    setAdditionalProperties in interface TopicMapWriterIF
    
    Parameters:
    
    properties -

Class RDFTopicMapWriter

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

PROPERTY_PRESERVE_REIFICATION

PROPERTY_PRESERVE_SCOPE

PROPERTY_FILTER

handler

model

writer

namepreds

preferred_roles

preserve_scope

preserve_reification

filter

Constructor Detail

RDFTopicMapWriter

RDFTopicMapWriter

RDFTopicMapWriter

RDFTopicMapWriter

RDFTopicMapWriter

Method Detail

setPreserveScope

getPreserveScope

setPreserveReification

getPreserveReification

setFilter

write

write

write

setup

setAdditionalProperties