| /* |
| * Copyright 2007, 2008 Niclas Hedhman. |
| * |
| * Licensed 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.zest.library.rdf.serializer; |
| |
| import java.lang.reflect.Method; |
| import org.openrdf.model.*; |
| import org.apache.zest.api.util.Classes; |
| import org.apache.zest.library.rdf.Rdfs; |
| |
| public final class SerializerContext |
| { |
| private final Graph graph; |
| private final ValueFactory valueFactory; |
| |
| public SerializerContext( Graph graph ) |
| { |
| this.valueFactory = graph.getValueFactory(); |
| this.graph = graph; |
| } |
| |
| public Graph getGraph() |
| { |
| return graph; |
| } |
| |
| public ValueFactory getValueFactory() |
| { |
| return valueFactory; |
| } |
| |
| public String createServiceUri( String layer, String module, Class type, String identity ) |
| { |
| String serviceType = Classes.normalizeClassToURI( type.getName() ); |
| String moduleUri = createModuleUri( layer, module ); |
| return moduleUri + "/" + serviceType + "/" + identity; |
| } |
| |
| public String createCompositeUri( String module, Class composite ) |
| { |
| String compositeName = Classes.normalizeClassToURI( composite.getName() ); |
| return module + "/" + compositeName; |
| } |
| |
| public String createApplicationUri( String app ) |
| { |
| return "urn:qi4j:model:" + app; |
| } |
| |
| public String createLayerUri( String appUri, String layer ) |
| { |
| return appUri + "/" + layer; |
| } |
| |
| public String createModuleUri( String layerUri, String module ) |
| { |
| return layerUri + "/" + module; |
| } |
| |
| public void setNameAndType( String node, String name, URI type ) |
| { |
| addType( node, type ); |
| addName( node, name ); |
| } |
| |
| |
| public void addName( String subject, String name ) |
| { |
| Value nameValue = valueFactory.createLiteral( name ); |
| URI subjectUri = valueFactory.createURI( subject ); |
| graph.add( valueFactory.createStatement( subjectUri, Rdfs.LABEL, nameValue ) ); |
| } |
| |
| public void addType( String subject, URI type ) |
| { |
| URI subjectUri = valueFactory.createURI( subject ); |
| Statement statement = valueFactory.createStatement( subjectUri, Rdfs.TYPE, type ); |
| graph.add( statement ); |
| } |
| |
| public void addStatement( String subject, URI predicate, String literal ) |
| { |
| Literal object = valueFactory.createLiteral( literal ); |
| URI subjectUri = valueFactory.createURI( subject ); |
| Statement statement = valueFactory.createStatement( subjectUri, predicate, object ); |
| graph.add( statement ); |
| } |
| |
| public void addRelationship( String subject, URI relationship, String object ) |
| { |
| URI subjectUri = valueFactory.createURI( subject ); |
| URI objectUri = valueFactory.createURI( object ); |
| Statement statement = valueFactory.createStatement( subjectUri, relationship, objectUri ); |
| graph.add( statement ); |
| } |
| |
| public void addStatement( String subject, URI predicate, boolean literal ) |
| { |
| URI subjectUri = valueFactory.createURI( subject ); |
| Literal object = valueFactory.createLiteral( literal ); |
| Statement statement = valueFactory.createStatement( subjectUri, predicate, object ); |
| graph.add( statement ); |
| } |
| |
| public String createCompositeMethodUri( String compositeUri, Method method ) |
| { |
| return compositeUri + "/" + method.toGenericString().replace( " ", "_" ); |
| } |
| } |