Package com.vaadin.copilot.javarewriter

Class JavaDataProviderHandler

java.lang.Object

com.vaadin.copilot.javarewriter.JavaDataProviderHandler

public class JavaDataProviderHandler
extends Object

Handler for data provider changes. Any updates on component which are generated from DataProvider is handled in this class.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final record	JavaDataProviderHandler.JavaDataProviderHandlerResult	Returns the file that is changed along with the new result

Constructor Summary

Constructors

Constructor	Description
JavaDataProviderHandler(ProjectManager projectManager, ComponentTypeAndSourceLocation typeAndSourceLocation)	Reads source file which is found from typeAndSourceLocation

Method Summary

Modifier and Type	Method	Description
static void	handleDataStatementsAndClearDataProps(com.github.javaparser.ast.CompilationUnit compilationUnit, com.github.javaparser.ast.body.VariableDeclarator parent, JavaComponent javaComponent, InsertionPoint insertionPoint, String dataEntityRecordName)	Creates the data statements when adding a new template e.g.setItems, setItemLabelGenerator etc...
JavaDataProviderHandler.JavaDataProviderHandlerResult	handleSetComponentProperty(String property, String value)	Replaces the value of items from data provider
static boolean	isDataProviderItemChange(ComponentTypeAndSourceLocation componentTypeAndSourceLocation)	Check for attach and create location is generated from DataProvider

Methods inherited from class java.lang.Object

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

Constructor Details

JavaDataProviderHandler

public JavaDataProviderHandler(ProjectManager projectManager,
 ComponentTypeAndSourceLocation typeAndSourceLocation)
                        throws IOException

Reads source file which is found from typeAndSourceLocation

Parameters:

projectManager - Project manager for handling file operations

typeAndSourceLocation - of the component

Throws:

IOException - when file read operation fails

Method Details

isDataProviderItemChange

public static boolean isDataProviderItemChange(ComponentTypeAndSourceLocation componentTypeAndSourceLocation)

Check for attach and create location is generated from DataProvider

Parameters:

componentTypeAndSourceLocation - component type and source location

Returns:

true if data provider operation, false otherwise

handleSetComponentProperty

public JavaDataProviderHandler.JavaDataProviderHandlerResult handleSetComponentProperty(String property,
 String value)

Replaces the value of items from data provider

Parameters:

property - only label is support for now which is sent from client

value - to replace

Returns:

Final result or exception if any occurs

handleDataStatementsAndClearDataProps

public static void handleDataStatementsAndClearDataProps(com.github.javaparser.ast.CompilationUnit compilationUnit,
 com.github.javaparser.ast.body.VariableDeclarator parent,
 JavaComponent javaComponent,
 InsertionPoint insertionPoint,
 String dataEntityRecordName)

Creates the data statements when adding a new template e.g.setItems, setItemLabelGenerator etc... and clears children or props if they are definition of data instead of real components.

Parameters:

compilationUnit - the compilation unit to look for the record definitions.

parent - Component variable that has items

javaComponent - component that has children and properties.

insertionPoint - to insert new method calls