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package org.glassfish.jersey.examples.clipboard;
import java.util.LinkedList;
import java.util.List;
import javax.ws.rs.Consumes;
import javax.ws.rs.DELETE;
import javax.ws.rs.GET;
import javax.ws.rs.POST;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Variant;
/**
* Very basic resource example showcases CRUD functionality
* implemented via HTTP POST, GET, PUT and DELETE methods.
* A simple clipboard is simulated which is capable of handling
* text data only.
*
* @author Marek Potociar (marek.potociar at oracle.com)
* @author Jakub Podlesak (jakub.podlesak at oracle.com)
*/
@Path("clipboard")
public class ClipboardResource {
static final List<Variant> supportedVariants =
Variant.mediaTypes(
MediaType.APPLICATION_JSON_TYPE,
MediaType.TEXT_PLAIN_TYPE).add().build();
private static final List<String> history = new LinkedList<String>();
private static ClipboardData content = new ClipboardData("");
@Context
Request request;
@GET
public Response content() {
if (content.isEmpty()) {
return Response.noContent().build();
}
final Variant variant = request.selectVariant(supportedVariants);
if (variant == null) {
return Response.notAcceptable(supportedVariants).build();
} else {
return Response.ok(content, variant.getMediaType()).build();
}
}
@PUT
@Consumes({"text/plain", "application/json"})
public void setContent(ClipboardData newContent) {
saveHistory();
updateContent(newContent);
}
private static void updateContent(ClipboardData newContent) {
content = newContent;
}
@POST
@Consumes({"text/plain", "application/json"})
@Produces({"text/plain", "application/json"})
public ClipboardData append(ClipboardData appendix) {
saveHistory();
return content.append(appendix);
}
@DELETE
public void clear() {
saveHistory();
content.clear();
}
@GET
@Path("history")
@Produces({"text/plain", "application/json"})
public List<String> getHistory() {
return history;
}
@DELETE
@Path("history")
public void clearHistory() {
history.clear();
}
private void saveHistory() {
String currentContent = content.toString();
if (!currentContent.isEmpty()) {
history.add(currentContent);
}
}
}