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