Created
March 20, 2011 22:29
-
-
Save rbackhouse/878741 to your computer and use it in GitHub Desktop.
Example demonstrating using the V8 Java Bridge to run javascript with a callback into java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import java.io.IOException; | |
import java.io.StringReader; | |
import java.io.StringWriter; | |
import java.util.HashMap; | |
import java.util.Map; | |
import org.dojotoolkit.json.JSONParser; | |
import org.dojotoolkit.json.JSONSerializer; | |
import org.dojotoolkit.rt.v8.V8Exception; | |
import org.dojotoolkit.rt.v8.V8JavaBridge; | |
import org.dojotoolkit.server.util.resource.ResourceLoader; | |
public class V8JavaBridgeExample extends V8JavaBridge { | |
private ResourceLoader resourceLoader = null; | |
public V8JavaBridgeExample(ResourceLoader resourceLoader) { | |
super(true); | |
this.resourceLoader = resourceLoader; | |
} | |
public String readResource(String path, boolean useCache) throws IOException { | |
return resourceLoader.readResource(path, useCache); | |
} | |
public void runTestScript() { | |
StringBuffer sb = new StringBuffer(); | |
sb.append("var v = test(JSON.stringify({input: \"Hello\"})); print(v);"); | |
try { | |
runScript(sb.toString(), new String[]{"test"}); | |
} catch (V8Exception e) { | |
e.printStackTrace(); | |
} | |
} | |
public String test(String json) { | |
try { | |
Map<String, Object> input = (Map<String, Object>)JSONParser.parse(new StringReader(json)); | |
System.out.println("json input value = "+input.get("input")); | |
Map<String, Object> returnValue = new HashMap<String, Object>(); | |
returnValue.put("returnValue", "Hello Back"); | |
StringWriter sw = new StringWriter(); | |
JSONSerializer.serialize(sw, returnValue); | |
return sw.toString(); | |
} catch (IOException e) { | |
e.printStackTrace(); | |
return "{}"; | |
} | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
this does not seem to go with https://github.com/zazl/serverutils well. I cant even do super(true);
edit: so it seems I need to take out super and useCache.