2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
9 package org.opendaylight.restconf.nb.rfc8040.jersey.providers.spi;
11 import com.google.common.base.Optional;
12 import java.io.IOException;
13 import java.io.InputStream;
14 import java.lang.annotation.Annotation;
15 import java.lang.reflect.Type;
16 import javax.ws.rs.HttpMethod;
17 import javax.ws.rs.WebApplicationException;
18 import javax.ws.rs.core.Context;
19 import javax.ws.rs.core.MediaType;
20 import javax.ws.rs.core.MultivaluedMap;
21 import javax.ws.rs.core.Request;
22 import javax.ws.rs.core.UriInfo;
23 import javax.ws.rs.ext.MessageBodyReader;
24 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
25 import org.opendaylight.restconf.nb.rfc8040.RestConnectorProvider;
26 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
27 import org.opendaylight.restconf.nb.rfc8040.utils.RestconfConstants;
28 import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
30 public abstract class AbstractIdentifierAwareJaxRsProvider<T> implements MessageBodyReader<T> {
33 private UriInfo uriInfo;
36 private Request request;
39 public final boolean isReadable(final Class<?> type, final Type genericType, final Annotation[] annotations,
40 final MediaType mediaType) {
45 public final T readFrom(final Class<T> type, final Type genericType,
46 final Annotation[] annotations, final MediaType mediaType,
47 final MultivaluedMap<String, String> httpHeaders, final InputStream entityStream) throws IOException,
48 WebApplicationException {
49 final InstanceIdentifierContext<?> path = getInstanceIdentifierContext();
50 if (entityStream.available() < 1) {
51 return emptyBody(path);
54 return readBody(path, entityStream);
58 * Create a type corresponding to an empty body.
60 * @param path Request path
61 * @return empty body type
63 protected abstract T emptyBody(InstanceIdentifierContext<?> path);
65 protected abstract T readBody(InstanceIdentifierContext<?> path, InputStream entityStream)
66 throws IOException, WebApplicationException;
69 private String getIdentifier() {
70 return this.uriInfo.getPathParameters(false).getFirst(RestconfConstants.IDENTIFIER);
73 private InstanceIdentifierContext<?> getInstanceIdentifierContext() {
74 return ParserIdentifier.toInstanceIdentifier(
76 SchemaContextHandler.getActualSchemaContext(),
77 Optional.of(RestConnectorProvider.getMountPointService()));
80 protected UriInfo getUriInfo() {
84 protected boolean isPost() {
85 return HttpMethod.POST.equals(this.request.getMethod());
88 void setUriInfo(final UriInfo uriInfo) {
89 this.uriInfo = uriInfo;
92 void setRequest(final Request request) {
93 this.request = request;