com.groiss.smartclient

Class JsonDataAdapter<T>

java.lang.Object

com.groiss.smartclient.JsonDataAdapter<T>

All Implemented Interfaces:

JsonData

public abstract class JsonDataAdapter<T>
extends java.lang.Object
implements JsonData

Field Summary

Fields

Modifier and Type	Field and Description
protected NavigationTreeNode	config
protected java.util.List<T>	objects
protected java.lang.String	parameters
protected javax.servlet.http.HttpServletRequest	request
protected java.lang.String	requestedId

Constructor Summary

Constructors

Constructor and Description
JsonDataAdapter()

Method Summary

Methods

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

Methods inherited from class java.lang.Object

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

Field Detail

request

protected javax.servlet.http.HttpServletRequest request

config

protected NavigationTreeNode config

requestedId

protected java.lang.String requestedId

parameters

protected java.lang.String parameters

objects

protected java.util.List<T> objects

Constructor Detail

JsonDataAdapter

public JsonDataAdapter()

Method Detail

init

public void init(javax.servlet.http.HttpServletRequest req,
        java.lang.String params,
        java.lang.String id,
        NavigationTreeNode configuration)
          throws java.lang.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:

java.lang.Exception

get

protected T get(java.lang.String objectId)

getData

public final java.util.List<java.util.Map<java.lang.String,java.lang.Object>> getData()
                                                                               throws java.lang.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:

java.lang.Exception

getData

protected java.util.Map<java.lang.String,java.lang.Object> getData(T p)
                                                            throws java.lang.Exception

Throws:

java.lang.Exception

onRowComplete

protected void onRowComplete(T p,
                 java.util.Map<java.lang.String,java.lang.Object> row)

will be called once for each row

Parameters:

p -

row -

getObjects

protected abstract java.util.List<T> getObjects()

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

Returns:

getFields

protected abstract java.util.List<java.lang.String> getFields()

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

Returns:

getValue

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

will be called for each object and each field

Parameters:

object -

field -

Returns:

Throws:

java.lang.Exception

supportsPaging

public boolean supportsPaging()

Description copied from interface: JsonData

return true if the model supports basic paging

Specified by:

supportsPaging in interface JsonData

Returns: