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package com.sun.jersey.server.impl.template;
import com.sun.jersey.spi.template.ResolvedViewable;
import com.sun.jersey.spi.template.TemplateContext;
import com.sun.jersey.api.view.Viewable;
import com.sun.jersey.spi.inject.ServerSide;
import com.sun.jersey.spi.inject.ConstrainedTo;
import java.io.OutputStream;
import java.lang.annotation.Annotation;
import java.lang.reflect.Type;
import javax.ws.rs.ext.MessageBodyWriter;
import java.io.IOException;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedMap;
import javax.ws.rs.core.UriInfo;
/**
*
* @author Paul.Sandoz@Sun.Com
*/
@ConstrainedTo(ServerSide.class)
public final class ViewableMessageBodyWriter implements MessageBodyWriter<Viewable> {
@Context UriInfo ui;
@Context TemplateContext tc;
public boolean isWriteable(Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return Viewable.class.isAssignableFrom(type);
}
public void writeTo(Viewable v,
Class<?> type, Type genericType, Annotation[] annotations,
MediaType mediaType, MultivaluedMap<String, Object> httpHeaders,
OutputStream entityStream) throws IOException {
final ResolvedViewable rv = resolve(v);
if (rv == null)
throw new IOException("The template name, " +
v.getTemplateName() +
", could not be resolved to a fully qualified template name");
rv.writeTo(entityStream);
}
private ResolvedViewable resolve(Viewable v) {
if (v instanceof ResolvedViewable) {
return (ResolvedViewable)v;
} else {
return tc.resolveViewable(v, ui);
}
}
public long getSize(Viewable t, Class<?> type, Type genericType, Annotation[] annotations, MediaType mediaType) {
return -1;
}
}