restconf/restconf-nb-rfc8040/src/main/java/org/opendaylight/restconf/nb/rfc8040/rests/services/impl/RestconfOperationsServiceImpl.java

   1 /*
   2  * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   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
   7  */
   8 package org.opendaylight.restconf.nb.rfc8040.rests.services.impl;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import java.util.Optional;
  13 import javax.ws.rs.Path;
  14 import javax.ws.rs.core.UriInfo;
  15 import org.opendaylight.mdsal.dom.api.DOMMountPoint;
  16 import org.opendaylight.mdsal.dom.api.DOMMountPointService;
  17 import org.opendaylight.mdsal.dom.api.DOMSchemaService;
  18 import org.opendaylight.restconf.common.OperationsContent;
  19 import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
  20 import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
  21 import org.opendaylight.restconf.common.util.OperationsResourceUtils;
  22 import org.opendaylight.restconf.nb.rfc8040.handlers.SchemaContextHandler;
  23 import org.opendaylight.restconf.nb.rfc8040.legacy.NormalizedNodePayload;
  24 import org.opendaylight.restconf.nb.rfc8040.rests.services.api.RestconfOperationsService;
  25 import org.opendaylight.restconf.nb.rfc8040.utils.RestconfConstants;
  26 import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
  27 import org.opendaylight.yangtools.yang.common.ErrorTag;
  28 import org.opendaylight.yangtools.yang.common.ErrorType;
  29 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
  30 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  * Implementation of {@link RestconfOperationsService}.
  36  */
  37 @Path("/")
  38 public class RestconfOperationsServiceImpl implements RestconfOperationsService {
  39     private static final Logger LOG = LoggerFactory.getLogger(RestconfOperationsServiceImpl.class);
  40
  41     private final SchemaContextHandler schemaContextHandler;
  42     private final DOMMountPointService mountPointService;
  43
  44     /**
  45      * Set {@link SchemaContextHandler} for getting actual {@link SchemaContext}.
  46      *
  47      * @param schemaContextHandler handling schema context
  48      * @param mountPointService handling dom mount point service
  49      */
  50     public RestconfOperationsServiceImpl(final SchemaContextHandler schemaContextHandler,
  51             final DOMMountPointService mountPointService) {
  52         this.schemaContextHandler = requireNonNull(schemaContextHandler);
  53         this.mountPointService = requireNonNull(mountPointService);
  54     }
  55
  56     @Override
  57     public String getOperationsJSON() {
  58         return OperationsContent.JSON.bodyFor(schemaContextHandler.get());
  59     }
  60
  61     @Override
  62     public String getOperationsXML() {
  63         return OperationsContent.XML.bodyFor(schemaContextHandler.get());
  64     }
  65
  66     @Override
  67     public NormalizedNodePayload getOperations(final String identifier, final UriInfo uriInfo) {
  68         if (!identifier.contains(RestconfConstants.MOUNT)) {
  69             final String errMsg = "URI has bad format. If operations behind mount point should be showed, URI has to "
  70                     + " end with " + RestconfConstants.MOUNT;
  71             LOG.debug("{} for {}", errMsg, identifier);
  72             throw new RestconfDocumentedException(errMsg + RestconfConstants.MOUNT, ErrorType.PROTOCOL,
  73                     ErrorTag.INVALID_VALUE);
  74         }
  75
  76         final InstanceIdentifierContext mountPointIdentifier = ParserIdentifier.toInstanceIdentifier(identifier,
  77             schemaContextHandler.get(), Optional.of(mountPointService));
  78         final DOMMountPoint mountPoint = mountPointIdentifier.getMountPoint();
  79         final var entry = OperationsResourceUtils.contextForModelContext(modelContext(mountPoint), mountPoint);
  80         return NormalizedNodePayload.of(entry.getKey(), entry.getValue());
  81     }
  82
  83     private static EffectiveModelContext modelContext(final DOMMountPoint mountPoint) {
  84         return mountPoint.getService(DOMSchemaService.class)
  85             .flatMap(svc -> Optional.ofNullable(svc.getGlobalContext()))
  86             .orElse(null);
  87     }
  88 }