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package org.apache.tuscany.sca.binding.comet.runtime.javascript;
import java.io.ByteArrayInputStream;
import java.io.InputStream;
import java.io.SequenceInputStream;
import javax.servlet.ServletContext;
import javax.ws.rs.GET;
import javax.ws.rs.Path;
import javax.ws.rs.PathParam;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.PathSegment;
import org.apache.tuscany.sca.binding.comet.runtime.ServletFactory;
@Path("/")
@Produces("text/javascript")
public class JavascriptResource {
private static final String[] DEPENDENCIES = {"/jquery-1.4.2.min.js", "/jquery.atmosphere.js",
"/jquery.json-2.2.min.js", "/cometComponentContext.js"};
@Context
private ServletContext sc;
@GET
public InputStream getJavascript(@PathParam("file") PathSegment fileName) {
InputStream stream =
new ByteArrayInputStream(("var " + JavascriptGenerator.JS_NAMESPACE + " = new function() {\n").getBytes());
for (String dependency : DEPENDENCIES) {
if (stream == null) {
stream = getClass().getResourceAsStream(dependency);
} else {
stream = new SequenceInputStream(stream, getClass().getResourceAsStream(dependency));
}
}
String generatedJs = ((StringBuffer)sc.getAttribute(ServletFactory.JS_KEY)).toString() + "\n}";
return new SequenceInputStream(stream, new ByteArrayInputStream(generatedJs.getBytes()));
}
}
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