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Java Source Code / Java Documentation » IDE Eclipse » Eclipse plug in development » org.eclipse.pde.internal.core.ischema

Source Cross Reference

Class Diagram

Java Document (Java Doc)

org.eclipse.pde.internal.core.ischema .ISchema

All known Subclasses:   org.eclipse.pde.internal.core.schema .Schema,
ISchema
public interface ISchema extends ISchemaObject,IBaseModel,IModelChangeProvider(Code)
Objects of this class encapsulate data loaded from the XML Schema file that defines an Eclipse extension point. These files are used for three reasons:

To provide grammar that can be used by validation parsers to validate extensions that plug into this extension point
To provide additional metadata about this extension point that can be used by PDE to provide user assistence in plug-in development
To provide enough material that can be used by tools to compose a reference HTML documentation about this extension point.
Objects of this class can be changed if editable. Other classes can register as change listener in order to receive notification about these changes.

Field Summary
String P_PLUGIN

String P_POINT

int REFRESH_ADD

int REFRESH_DELETE

int REFRESH_RENAME


Method Summary
ISchemaElement findElement(String name)
     Returns a reference to a schema element defined in this schema or null if not found.
ISchemaElement[] getCandidateChildren(ISchemaElement element)
     Returns an array of schema elements that can be children of the provided schema element.
public String getDeprecatedSuggestion()
     Returns replacement schema in case this one is deprecated.
IDocumentSection[] getDocumentSections()
     Returns an array of document sections that are defined in this schema.
public int getElementCount()
     Returns a number of elements with global scope defined in this schema.
public String[] getElementNames()
     Returns an array of element names with the global scope defined in this schema.
public ISchemaElement[] getElements()
     Returns an array of elements with the global scope defined in this schema.
ISchemaInclude[] getIncludes()
     Returns a list of elements that correspond to the include statements in the schema file.
public String getPluginId()

public String getPointId()

public String getQualifiedPointId()
     Returns an Id of the extension point that is defined in this schema.
public int getResolvedElementCount()
     Returns a total number of elements after the included schemas have been resolved and their elements added to the list.
public ISchemaElement[] getResolvedElements()
     Returns an array of elements with the global scope defined in this schema and all the included schemas.
public ISchemaDescriptor getSchemaDescriptor()
     Returns an object that holds a reference to this schema.
public URL getURL()
     Returns a URL that defines this schema's location.
public boolean isDeperecated()
     Returns whether the root schema element ( the element) has been marked deprecated, making this schema deprecated.
public void setPluginId(String pluginId)

public void setPointId(String pointId)


Field Detail
P_PLUGIN
String P_PLUGIN(Code)

P_POINT
String P_POINT(Code)

REFRESH_ADD
int REFRESH_ADD(Code)

REFRESH_DELETE
int REFRESH_DELETE(Code)

REFRESH_RENAME
int REFRESH_RENAME(Code)

Method Detail
findElement
ISchemaElement findElement(String name)(Code)
Returns a reference to a schema element defined in this schema or null if not found.
Parameters:
  name - name of the element to find

getCandidateChildren
ISchemaElement[] getCandidateChildren(ISchemaElement element)(Code)
Returns an array of schema elements that can be children of the provided schema element. The information is computed based on the grammar rules in this schema. The computation ignores number of occurances of each element. Therefore, it will always return the same result even if there could be only one element of a certain type in the document and it already exists.
Parameters:
  element - the parent element that is used for the calculation an array of elements that can appear as children of the providedelement, according to the grammar of this schema

getDeprecatedSuggestion
public String getDeprecatedSuggestion()(Code)
Returns replacement schema in case this one is deprecated. the replacement schema

getDocumentSections
IDocumentSection[] getDocumentSections()(Code)
Returns an array of document sections that are defined in this schema. an array of sections in this schema

getElementCount
public int getElementCount()(Code)
Returns a number of elements with global scope defined in this schema. number of global elements

getElementNames
public String[] getElementNames()(Code)
Returns an array of element names with the global scope defined in this schema. an array of global elements

getElements
public ISchemaElement[] getElements()(Code)
Returns an array of elements with the global scope defined in this schema. an array of global elements

getIncludes
ISchemaInclude[] getIncludes()(Code)
Returns a list of elements that correspond to the include statements in the schema file. Included schemas are incorporated into the model and references can be made to elements in the included files. an array of included schema elements or a zero-size array ifnone.

getPluginId
public String getPluginId()(Code)

getPointId
public String getPointId()(Code)

getQualifiedPointId
public String getQualifiedPointId()(Code)
Returns an Id of the extension point that is defined in this schema. extension point Id of this schema

getResolvedElementCount
public int getResolvedElementCount()(Code)
Returns a total number of elements after the included schemas have been resolved and their elements added to the list. the total number of elements including external schemas

getResolvedElements
public ISchemaElement[] getResolvedElements()(Code)
Returns an array of elements with the global scope defined in this schema and all the included schemas. an expanded array of global elements

getSchemaDescriptor
public ISchemaDescriptor getSchemaDescriptor()(Code)
Returns an object that holds a reference to this schema. Descriptors are responsible for loading and disposing schema objects and could be implemented in various ways, depending on whether the schema is defined inside the workspace or is referenced externally. schema descriptor that holds this schema

getURL
public URL getURL()(Code)
Returns a URL that defines this schema's location. a URL that points to this schema's location.

isDeperecated
public boolean isDeperecated()(Code)
Returns whether the root schema element ( the element) has been marked deprecated, making this schema deprecated. true if this schema is deprecated

setPluginId
public void setPluginId(String pluginId) throws CoreException(Code)

setPointId
public void setPointId(String pointId) throws CoreException(Code)

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