| /* |
| * Copyright (C) 2012 The University of Manchester |
| * |
| * See the file "LICENSE" for license terms. |
| */ |
| package org.taverna.server.master.rest.handler; |
| |
| import static org.apache.commons.io.IOUtils.copy; |
| import static org.taverna.server.master.api.ContentTypes.APPLICATION_ZIP_TYPE; |
| |
| 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.MessageBodyWriter; |
| import javax.ws.rs.ext.Provider; |
| |
| import org.taverna.server.master.interfaces.Directory.ZipStream; |
| |
| /** |
| * How to write a ZIP file as the result entity of a request. |
| * |
| * @author Donal Fellows |
| */ |
| @Provider |
| @Produces("application/zip") |
| public class ZipStreamHandler implements MessageBodyWriter<ZipStream> { |
| @Override |
| public boolean isWriteable(Class<?> type, Type genericType, |
| Annotation[] annotations, MediaType mediaType) { |
| return ZipStream.class.isAssignableFrom(type) |
| && mediaType.equals(APPLICATION_ZIP_TYPE); |
| } |
| |
| @Override |
| public long getSize(ZipStream t, Class<?> type, Type genericType, |
| Annotation[] annotations, MediaType mediaType) { |
| return -1; |
| } |
| |
| @Override |
| public void writeTo(ZipStream zipStream, Class<?> type, Type genericType, |
| Annotation[] annotations, MediaType mediaType, |
| MultivaluedMap<String, Object> httpHeaders, |
| OutputStream entityStream) throws IOException, |
| WebApplicationException { |
| copy(zipStream, entityStream); |
| } |
| } |