org.persvr.datasource
Class HttpJsonSource

java.lang.Object
  org.persvr.remote.JsonReceiver
      org.persvr.datasource.AbstractJsonSource
          org.persvr.datasource.HttpJsonSource

All Implemented Interfaces:

DataSource, ListDataSource, WritableDataSource

public class HttpJsonSource
extends AbstractJsonSource
implements WritableDataSource

Nested Class Summary

Nested classes/interfaces inherited from class org.persvr.datasource.AbstractJsonSource

AbstractJsonSource.RootAndResolved

Nested classes/interfaces inherited from class org.persvr.remote.JsonReceiver

JsonReceiver.UpdateInfo

Field Summary

Fields inherited from class org.persvr.datasource.AbstractJsonSource

defaultCacheLength

Fields inherited from class org.persvr.remote.JsonReceiver

FUNCTION_CODE_KEY, NOT_READY_FIELD, path

Constructor Summary

HttpJsonSource()

Method Summary

java.lang.Object	getFieldValue(LazyPropertyId valueId) This is called when a field value contains an unfulfilled value (ValueId)
protected java.lang.Object	getJson(java.lang.String objectId) Gets the JSON string for a particular object id.
protected static java.lang.Object	getThreadValue(java.lang.Object key)
ObjectId	idFromJSPONObject(java.util.Map object, ObjectId defaultId)
void	initParameters(java.util.Map<java.lang.String,java.lang.Object> parameters) This is called on initialization and provides access to the data source configuration parameters
java.util.Iterator	mapQuery(Query query) This is called when an object is being activated to retrieve the persisted data for a given object with a filter
protected void	newJson(java.lang.String json)
protected static void	putThreadValue(java.lang.Object key, java.lang.Object value)
void	recordDelete(java.lang.String objectId) This is called when an object should be deleted
protected void	setJson(java.lang.String resourceName, java.lang.String json)
static java.lang.String	slurp(java.io.InputStream in)

Methods inherited from class org.persvr.datasource.AbstractJsonSource

abortTransaction, commitTransaction, convertJsonToJavaScript, getId, getMap, getPathSeparator, getResourceAsString, handleNewObject, hiddenId, makeDirty, mapJson, mapObject, mapSchema, recordList, recordNewObject, recordPropertyAddition, recordPropertyChange, recordPropertyRemoval, serialize, setId, startTransaction

Methods inherited from class org.persvr.remote.JsonReceiver

convertJsponStringToObject, convertParsedToObject, createInitialObject, getPath, handleRPC, idOrValueFromJSON, listFromJSPONArray, parseJsponString, replaceList, setPath

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.persvr.datasource.WritableDataSource

abortTransaction, commitTransaction, recordNewObject, recordPropertyAddition, recordPropertyChange, recordPropertyRemoval, startTransaction

Methods inherited from interface org.persvr.datasource.DataSource

getId, hiddenId, mapObject, setId

Constructor Detail

HttpJsonSource

public HttpJsonSource()

Method Detail

setJson

protected void setJson(java.lang.String resourceName,
                       java.lang.String json)
                throws java.lang.Exception

Specified by:

setJson in class AbstractJsonSource

Throws:

java.lang.Exception

newJson

protected void newJson(java.lang.String json)
                throws java.lang.Exception

Specified by:

newJson in class AbstractJsonSource

Throws:

java.lang.Exception

getJson

protected java.lang.Object getJson(java.lang.String objectId)
                            throws HttpException,
                                   java.io.IOException

Description copied from class: AbstractJsonSource

Gets the JSON string for a particular object id. This is called when an object needs to be initialized, and this AbstractJsonSource/JsonReceiver will handle the conversion of the JSON string to an object

Specified by:

getJson in class AbstractJsonSource

Returns:

the JSON string

Throws:

HttpException

java.io.IOException

initParameters

public void initParameters(java.util.Map<java.lang.String,java.lang.Object> parameters)

Description copied from interface: DataSource

This is called on initialization and provides access to the data source configuration parameters

Specified by:

initParameters in interface DataSource

getFieldValue

public java.lang.Object getFieldValue(LazyPropertyId valueId)
                               throws java.lang.Exception

Description copied from interface: DataSource

This is called when a field value contains an unfulfilled value (ValueId)

Specified by:

getFieldValue in interface DataSource

Returns:

the real value referred to by valueId

Throws:

java.lang.Exception

putThreadValue

protected static void putThreadValue(java.lang.Object key,
                                     java.lang.Object value)

getThreadValue

protected static java.lang.Object getThreadValue(java.lang.Object key)

idFromJSPONObject

public ObjectId idFromJSPONObject(java.util.Map object,
                                  ObjectId defaultId)

Specified by:

idFromJSPONObject in class JsonReceiver

recordDelete

public void recordDelete(java.lang.String objectId)
                  throws java.lang.Exception

Description copied from interface: WritableDataSource

This is called when an object should be deleted

Specified by:

recordDelete in interface WritableDataSource

Throws:

java.lang.Exception

mapQuery

public java.util.Iterator mapQuery(Query query)
                            throws java.lang.Exception

Description copied from interface: DataSource

This is called when an object is being activated to retrieve the persisted data for a given object with a filter

Specified by:

mapQuery in interface DataSource

Returns:

Throws:

java.lang.Exception

slurp

public static java.lang.String slurp(java.io.InputStream in)
                              throws java.io.IOException

Throws:

java.io.IOException