org.apache.cayenne.wocompat
Class EOModelHelper

java.lang.Object
  org.apache.cayenne.wocompat.EOModelHelper

public class EOModelHelper
extends java.lang.Object

Helper class used by EOModelProcessor. EOModelHelper loads an EOModel from the specified location and gives its users access to the untyped EOModel information.

Field Summary

protected DataMap	dataMap
protected java.util.Map	entityClassIndex
protected java.util.Map	entityClientClassIndex
protected java.util.Map	entityIndex
protected java.util.Map	entityQueryIndex
protected java.net.URL	modelUrl

Constructor Summary

EOModelHelper(java.lang.String path)
Creates helper instance and tries to locate EOModel and load index file.

Method Summary

java.lang.String	entityClass(java.lang.String entityName, boolean getClientClass)
java.util.Map	entityPListMap(java.lang.String entityName) Returns an info map for the entity called entityName.
protected java.lang.String	findModelName(java.lang.String path) Returns EOModel name based on its path.
protected java.net.URL	findModelUrl(java.lang.String path) Returns a URL of the EOModel directory.
DataMap	getDataMap() Returns a DataMap associated with this helper.
java.net.URL	getModelUrl() Returns EOModel location as URL.
java.util.Map	getPrototypeAttributeMapFor(java.lang.String aPrototypeAttributeName)
java.lang.String	javaTypeForEOModelerType(java.lang.String valueClassName, java.lang.String valueType) Performs Objective C data types conversion to Java types.
protected java.util.Map	loadEntityIndex(java.lang.String entityName) Loads EOEntity information and returns it as a map.
protected java.util.Map	loadModelIndex() Loads EOModel index and returns it as a map.
protected java.util.Map	loadQueryIndex(java.lang.String entityName) Loads EOFetchSpecification information and returns it as a map.
java.util.Iterator	modelNames() Returns an iterator of model names.
java.util.List	modelNamesAsList() Returns a list of model entity names.
protected java.lang.Class	numericAttributeClass(java.lang.String valueType)
protected java.io.InputStream	openEntityStream(java.lang.String entityName) Returns InputStream to read an EOEntity plist file.
protected java.io.InputStream	openIndexStream() Returns InputStream to read an EOModel index file.
protected java.io.InputStream	openQueryStream(java.lang.String entityName) Returns InputStream to read an EOFetchSpecification plist file.
java.util.Iterator	queryNames(java.lang.String entityName) Returns the iterator over EOFetchSpecification names for a given entity.
java.util.Map	queryPListMap(java.lang.String entityName, java.lang.String queryName) Returns a map containing EOFetchSpecification information for entity name and query name.

Methods inherited from class java.lang.Object

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

Field Detail

modelUrl

protected java.net.URL modelUrl

entityIndex

protected java.util.Map entityIndex

entityClassIndex

protected java.util.Map entityClassIndex

entityQueryIndex

protected java.util.Map entityQueryIndex

entityClientClassIndex

protected java.util.Map entityClientClassIndex

dataMap

protected DataMap dataMap

Constructor Detail

EOModelHelper

public EOModelHelper(java.lang.String path)
              throws java.lang.Exception

Creates helper instance and tries to locate EOModel and load index file.

Throws:

java.lang.Exception

Method Detail

javaTypeForEOModelerType

public java.lang.String javaTypeForEOModelerType(java.lang.String valueClassName,
                                                 java.lang.String valueType)

Performs Objective C data types conversion to Java types.

Returns:

String representation for Java type corresponding to String representation of Objective C type.

Since:

1.1

numericAttributeClass

protected java.lang.Class numericAttributeClass(java.lang.String valueType)

Since:

1.1

getDataMap

public DataMap getDataMap()

Returns a DataMap associated with this helper.

getModelUrl

public java.net.URL getModelUrl()

Returns EOModel location as URL.

modelNames

public java.util.Iterator modelNames()

Returns an iterator of model names.

modelNamesAsList

public java.util.List modelNamesAsList()

Returns a list of model entity names.

Since:

1.1

getPrototypeAttributeMapFor

public java.util.Map getPrototypeAttributeMapFor(java.lang.String aPrototypeAttributeName)

entityPListMap

public java.util.Map entityPListMap(java.lang.String entityName)

Returns an info map for the entity called entityName.

queryNames

public java.util.Iterator queryNames(java.lang.String entityName)

Returns the iterator over EOFetchSpecification names for a given entity.

Since:

1.1

queryPListMap

public java.util.Map queryPListMap(java.lang.String entityName,
                                   java.lang.String queryName)

Returns a map containing EOFetchSpecification information for entity name and query name. Returns null if no such query is found.

Since:

1.1

entityClass

public java.lang.String entityClass(java.lang.String entityName,
                                    boolean getClientClass)

loadModelIndex

protected java.util.Map loadModelIndex()
                                throws java.lang.Exception

Loads EOModel index and returns it as a map.

Throws:

java.lang.Exception

loadEntityIndex

protected java.util.Map loadEntityIndex(java.lang.String entityName)
                                 throws java.lang.Exception

Loads EOEntity information and returns it as a map.

Throws:

java.lang.Exception

loadQueryIndex

protected java.util.Map loadQueryIndex(java.lang.String entityName)
                                throws java.lang.Exception

Loads EOFetchSpecification information and returns it as a map.

Throws:

java.lang.Exception

findModelName

protected java.lang.String findModelName(java.lang.String path)

Returns EOModel name based on its path.

findModelUrl

protected java.net.URL findModelUrl(java.lang.String path)

Returns a URL of the EOModel directory. Throws exception if it can't be found.

openIndexStream

protected java.io.InputStream openIndexStream()
                                       throws java.lang.Exception

Returns InputStream to read an EOModel index file.

Throws:

java.lang.Exception

openEntityStream

protected java.io.InputStream openEntityStream(java.lang.String entityName)
                                        throws java.lang.Exception

Returns InputStream to read an EOEntity plist file.

Parameters:

entityName - name of EOEntity to be loaded.

Returns:

InputStream to read an EOEntity plist file or null if entityname.plist file can not be located.

Throws:

java.lang.Exception

openQueryStream

protected java.io.InputStream openQueryStream(java.lang.String entityName)
                                       throws java.lang.Exception

Returns InputStream to read an EOFetchSpecification plist file.

Parameters:

entityName - name of EOEntity to be loaded.

Returns:

InputStream to read an EOEntity plist file or null if entityname.plist file can not be located.

Throws:

java.lang.Exception