Package com.groiss.smartclient

Class JsonDataAdapter<T>

java.lang.Object

com.groiss.smartclient.JsonDataAdapter<T>

All Implemented Interfaces:

JsonData

Direct Known Subclasses:

ObjectSelectProvider

public abstract class JsonDataAdapter<T>
extends Object
implements JsonData

Adapter that implements the JsonData interface.

Field Summary

Fields

Modifier and Type	Field	Description
protected NavigationTreeNode	config
protected List<T>	objects
protected String	parameters
protected HttpServletRequest	request
protected String	requestedId

Constructor Summary

Constructors

Constructor	Description
JsonDataAdapter()

Method Summary

Modifier and Type	Method	Description
protected T	get(String objectId)
final List<Map<String,Object>>	getData()	Two cases: id is known, return the object with this id, else return all objects.
protected Map<String,Object>	getData(T p)
protected Map<String,Double>	getFavorites()
protected abstract List<String>	getFields()	what object-properties should be used may be called multiple times
protected abstract List<T>	getObjects()	get all required objects. basic filtering should be done here is called once
protected abstract Object	getValue(T object, String field)	will be called for each object and each field
void	init(HttpServletRequest req, String params, String id, NavigationTreeNode configuration)	called once when initalizing the model
protected void	onRowComplete(T p, Map<String,Object> row)	will be called once for each row

Methods inherited from class java.lang.Object

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

Field Details

request

protected HttpServletRequest request

config

protected NavigationTreeNode config

requestedId

protected String requestedId

parameters

protected String parameters

objects

protected List<T> objects

Constructor Details

JsonDataAdapter

public JsonDataAdapter()

Method Details

init

public void init(HttpServletRequest req,
 String params,
 String id,
 NavigationTreeNode configuration)
          throws Exception

Description copied from interface: JsonData

called once when initalizing the model

Specified by:

init in interface JsonData

Parameters:

req - the current servlet-request

params - the trailing part of the REST-URL

id - the id when using single-object-requests

configuration - configuration node holding more information

Throws:

Exception

get

protected T get(String objectId)

getData

public final List<Map<String,Object>> getData()
                                       throws Exception

Description copied from interface: JsonData

Two cases: id is known, return the object with this id, else return all objects.

Specified by:

getData in interface JsonData

Returns:

all available data

Throws:

Exception

getData

protected Map<String,Object> getData(T p)
                              throws Exception

Throws:

Exception

onRowComplete

protected void onRowComplete(T p,
 Map<String,Object> row)

will be called once for each row

Parameters:

p -

row -

getObjects

protected abstract List<T> getObjects()

get all required objects. basic filtering should be done here is called once

Returns:

getFields

protected abstract List<String> getFields()

what object-properties should be used may be called multiple times

Returns:

getValue

protected abstract Object getValue(T object,
 String field)
                            throws Exception

will be called for each object and each field

Parameters:

object -

field -

Returns:

Throws:

Exception

getFavorites

protected Map<String,Double> getFavorites()