| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.olingo.client.core.data; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URI; |
| |
| import org.apache.olingo.client.api.data.ResWrap; |
| import org.apache.olingo.client.api.data.ServiceDocument; |
| import org.apache.olingo.client.api.serialization.ODataDeserializerException; |
| import org.apache.olingo.client.core.serialization.JsonDeserializer; |
| import org.apache.olingo.client.core.uri.URIUtils; |
| |
| import com.fasterxml.jackson.core.JsonParser; |
| import com.fasterxml.jackson.core.JsonToken; |
| import com.fasterxml.jackson.dataformat.xml.XmlFactory; |
| import com.fasterxml.jackson.dataformat.xml.deser.FromXmlParser; |
| |
| public class XMLServiceDocumentDeserializer extends JsonDeserializer { |
| |
| public XMLServiceDocumentDeserializer(final boolean serverMode) { |
| super(serverMode); |
| } |
| |
| private String getName(final JsonParser jp) throws IOException { |
| String title = jp.nextTextValue(); |
| if (title == null) { |
| jp.nextToken(); |
| jp.nextToken(); |
| jp.nextToken(); |
| title = jp.nextTextValue(); |
| } |
| return title; |
| } |
| |
| private ServiceDocumentItemImpl deserializeElement(final JsonParser jp, final String elementName) |
| throws IOException { |
| |
| final ServiceDocumentItemImpl element = new ServiceDocumentItemImpl(); |
| for (; jp.getCurrentToken() != JsonToken.END_OBJECT |
| || !elementName.equals(((FromXmlParser) jp).getStaxReader().getLocalName()); jp.nextToken()) { |
| |
| final JsonToken token = jp.getCurrentToken(); |
| if (token == JsonToken.FIELD_NAME) { |
| if ("href".equals(jp.getCurrentName())) { |
| element.setUrl(jp.nextTextValue()); |
| } else if ("name".equals(jp.getCurrentName())) { |
| element.setName(jp.nextTextValue()); |
| } else if ("title".equals(jp.getCurrentName())) { |
| element.setTitle(getName(jp)); |
| } |
| } |
| } |
| |
| if (element.getName() == null) { |
| element.setName(element.getTitle()); |
| } |
| return element; |
| } |
| |
| protected ResWrap<ServiceDocument> doDeserialize(final JsonParser jp) throws IOException { |
| |
| ServiceDocumentImpl sdoc = new ServiceDocumentImpl(); |
| |
| URI contextURL = null; |
| String metadataETag = null; |
| String base = null; |
| |
| for (; jp.getCurrentToken() != JsonToken.END_OBJECT |
| || !"service".equals(((FromXmlParser) jp).getStaxReader().getLocalName()); jp.nextToken()) { |
| |
| final JsonToken token = jp.getCurrentToken(); |
| if (token == JsonToken.FIELD_NAME) { |
| if ("base".equals(jp.getCurrentName())) { |
| base = jp.nextTextValue(); |
| } else if ("context".equals(jp.getCurrentName())) { |
| contextURL = URI.create(jp.nextTextValue()); |
| } else if ("metadata-etag".equals(jp.getCurrentName())) { |
| metadataETag = jp.nextTextValue(); |
| } else if ("workspace".equals(jp.getCurrentName())) { |
| jp.nextToken(); |
| jp.nextToken(); |
| if ("title".equals(jp.getCurrentName())) { |
| sdoc.setTitle(getName(jp)); |
| } |
| } else if ("collection".equals(jp.getCurrentName())) { |
| jp.nextToken(); |
| sdoc.getEntitySets().add(deserializeElement(jp, "collection")); |
| } else if ("function-import".equals(jp.getCurrentName())) { |
| jp.nextToken(); |
| sdoc.getFunctionImports().add(deserializeElement(jp, "function-import")); |
| } else if ("singleton".equals(jp.getCurrentName())) { |
| jp.nextToken(); |
| sdoc.getSingletons().add(deserializeElement(jp, "singleton")); |
| } else if ("service-document".equals(jp.getCurrentName())) { |
| jp.nextToken(); |
| sdoc.getRelatedServiceDocuments().add(deserializeElement(jp, "service-document")); |
| } |
| } |
| } |
| |
| sdoc.setMetadata((contextURL == null |
| ? URIUtils.getURI(base, "$metadata") |
| : URIUtils.getURI(base, contextURL.toASCIIString())).toASCIIString()); |
| |
| return new ResWrap<ServiceDocument>( |
| contextURL == null ? null : URIUtils.getURI(sdoc.getBaseURI(), contextURL), |
| metadataETag, sdoc); |
| } |
| |
| public ResWrap<ServiceDocument> toServiceDocument(InputStream input) throws ODataDeserializerException { |
| try { |
| JsonParser parser = new XmlFactory().createParser(input); |
| return doDeserialize(parser); |
| } catch (final IOException e) { |
| throw new ODataDeserializerException(e); |
| } |
| } |
| } |