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Doku for @Import

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Volker 2018-07-09 17:16:57 +02:00
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README.md
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@ -34,10 +34,10 @@ JWebAssembly requires Java SE 8 or higher. It is tested with Java SE 8 on [travi
## Usage ## Usage
### Exporting functions ### Exporting functions
To export a Java function to make it accessible from JavaScript you need add the annotation org.webassembly.annotation.Export To export a Java function to make it accessible from JavaScript you need add the annotation de.inetsoftware.jwebassembly.api.annotation.Export.
```java ```java
import org.webassembly.annotation.Export; import de.inetsoftware.jwebassembly.api.annotation.Export;
@Export @Export
public static int add( int a, int b ) { public static int add( int a, int b ) {
@ -45,6 +45,20 @@ public static int add( int a, int b ) {
} }
``` ```
### importing functions
To import a JavaScript function to make it accessible from Java you need add the annotation de.inetsoftware.jwebassembly.api.annotation.Import.
The method can be declared native or can have a Java implementation which will be ignored on compiling.
```java
import de.inetsoftware.jwebassembly.api.annotation.Import;
@Import( module = "global.Math", name = "max" )
static int max( int a, int b) {
return Math.max( a, b );
}
```
### Java Limits ### Java Limits
In version 1 of WebAssembly you can only compile: In version 1 of WebAssembly you can only compile:
* static methods * static methods