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package org.glassfish.admin.rest.provider;
import com.sun.enterprise.util.StringUtils;
import java.io.IOException;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.Produces;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.ext.Provider;
import com.fasterxml.jackson.core.JsonEncoding;
import com.fasterxml.jackson.core.JsonFactory;
import com.fasterxml.jackson.core.JsonGenerator;
import org.glassfish.api.admin.progress.ProgressStatusEvent;
import org.glassfish.api.admin.progress.ProgressStatusEventComplete;
import org.glassfish.api.admin.progress.ProgressStatusEventCreateChild;
import org.glassfish.api.admin.progress.ProgressStatusEventProgress;
import org.glassfish.api.admin.progress.ProgressStatusEventSet;
/**
*
* @author mmares
*/
@Provider
@Produces({MediaType.APPLICATION_JSON, "application/x-javascript"})
public class ProgressStatusEventJsonProvider extends BaseProvider<ProgressStatusEvent> {
private static final JsonFactory factory = new JsonFactory();
public ProgressStatusEventJsonProvider() {
super(ProgressStatusEvent.class, MediaType.APPLICATION_JSON_TYPE, new MediaType("application", "x-javascript"));
}
@Override
protected boolean isGivenTypeWritable(Class<?> type, Type genericType) {
return desiredType.isAssignableFrom(type);
}
@Override
public void writeTo(ProgressStatusEvent proxy, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType,
MultivaluedMap<String, Object> httpHeaders, OutputStream entityStream) throws IOException, WebApplicationException {
JsonGenerator out = factory.createJsonGenerator(entityStream, JsonEncoding.UTF8);
out.writeStartObject();
writePSEvent(proxy, out);
out.writeEndObject();
out.flush();
}
private void writePSEvent(ProgressStatusEvent event, JsonGenerator out) throws IOException {
if (event == null) {
return;
}
out.writeObjectFieldStart("progress-status-event");
out.writeStringField("id", event.getSourceId());
if (event instanceof ProgressStatusEventProgress) {
writePSEventProgress((ProgressStatusEventProgress) event, out);
} else if (event instanceof ProgressStatusEventSet) {
writePSEventSet((ProgressStatusEventSet) event, out);
} else if (event instanceof ProgressStatusEventComplete) {
writePSEventComplete((ProgressStatusEventComplete) event, out);
} else if (event instanceof ProgressStatusEventCreateChild) {
writePSEventCreateChild((ProgressStatusEventCreateChild) event, out);
} else
out.writeEndObject();
}
private void writePSEventSet(ProgressStatusEventSet event, JsonGenerator out) throws IOException {
out.writeObjectFieldStart("set");
if (event.getTotalStepCount() != null) {
out.writeNumberField("total-step-count", event.getTotalStepCount());
}
if (event.getCurrentStepCount() != null) {
out.writeNumberField("current-step-count", event.getCurrentStepCount());
}
out.writeEndObject();
}
private void writePSEventProgress(ProgressStatusEventProgress event, JsonGenerator out) throws IOException {
out.writeObjectFieldStart("progres");
out.writeNumberField("steps", event.getSteps());
if (StringUtils.ok(event.getMessage())) {
out.writeStringField("message", event.getMessage());
}
if (event.isSpinner()) {
out.writeBooleanField("spinner", event.isSpinner());
}
out.writeEndObject();
}
private void writePSEventComplete(ProgressStatusEventComplete event, JsonGenerator out) throws IOException {
out.writeObjectFieldStart("complete");
if (StringUtils.ok(event.getMessage())) {
out.writeStringField("message", event.getMessage());
}
out.writeEndObject();
}
private void writePSEventCreateChild(ProgressStatusEventCreateChild event, JsonGenerator out) throws IOException {
out.writeObjectFieldStart("create-child");
out.writeStringField("id", event.getChildId());
out.writeNumberField("allocated-steps", event.getAllocatedSteps());
out.writeNumberField("total-step-count", event.getTotalSteps());
if (StringUtils.ok(event.getName())) {
out.writeStringField("name", event.getName());
}
out.writeEndObject();
}
@Override
public String getContent(ProgressStatusEvent proxy) {
throw new UnsupportedOperationException("Not supported yet.");
}
}