/* * 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.jena.riot.system; import java.util.Map ; import org.apache.jena.shared.PrefixMapping ; /** * Factory which provides prefix maps * */ public class PrefixMapFactory { /** * Creates a new prefix map. * <p> * Will use whatever the version of ARQ you are using considers the default * implementation, this may change from release to release. * </p> * * @return Prefix Map */ public static PrefixMap create() { return new PrefixMapStd(); } /** * Creates a new prefix map which starts with a copy of an existing prefix * map. * <p> * Will use whatever the version of ARQ you are using considers the default * implementation, this may change from release to release. * </p> * * @param pmap * Prefix Map to copy * * @return Prefix Map */ public static PrefixMap create(PrefixMap pmap) { return new PrefixMapStd(pmap); } /** * Creates a new prefix map which starts * with a copy of an existing map. * <p> * Will use whatever the version of ARQ you are using considers the default * implementation, this may change from release to release. * </p> * * @param pmap * PrefixMapping to copy * * @return Prefix Map */ public static PrefixMap create(PrefixMapping pmap) { PrefixMap created = create(); created.putAll(pmap); return created; } /** * Creates a new prefix map,initialized from a Map of prefix to IRI string. * <p> * Will use whatever the version of ARQ you are using considers the default * implementation, this may change from release to release. * </p> * * @param pmap Mapping from prefix to IRI string * @return Prefix Map */ public static PrefixMap create(Map<String, String> pmap) { PrefixMap created = create(); created.putAll(pmap); return created; } /** * Creates a new prefix map which is intended for use in input. * * @return Prefix map */ public static PrefixMap createForInput() { return new PrefixMapStd(); } /** * Creates a new prefix map which is intended for use in input which starts * with a copy of an existing map * <p> * Will use whatever the version of ARQ you are using considers the best * implementation for input, this may change from release to release. * </p> * * @param pmap * Prefix Map to copy * @return Prefix Map */ public static PrefixMap createForInput(PrefixMap pmap) { return new PrefixMapStd(pmap); } /** * Creates a new prefix map which is intended for use in iput which starts * with a copy of an existing map * <p> * Will use whatever the version of ARQ you are using considers the best * implementation for input, this may change from release to release. * </p> * * @param pmap * Prefix Map to copy * * @return Prefix Map */ public static PrefixMap createForInput(PrefixMapping pmap) { PrefixMap created = createForInput(); created.putAll(pmap); return created; } /** * Creates a new prefix map, initialized from a Map of prefix to IRI string. * * @param pmap Mapping from prefix to IRI string * @return Prefix Map */ public static PrefixMap createForInput(Map<String, String> pmap) { PrefixMap created = createForInput(); created.putAll(pmap); return created; } /** * Creates a new prefix map which is intended for use in output * <p> * Will use whatever the version of ARQ you are using considers the best * implementation for output, this may change from release to release. * </p> * * @return Prefix Map */ public static PrefixMap createForOutput() { return new FastAbbreviatingPrefixMap(); } /** * Creates a new prefix map which is intended for use in output which starts * with a copy of an existing map * <p> * Will use whatever the version of ARQ you are using considers the best * implementation for output, this may change from release to release. * </p> * * @param pmap * Prefix Map to copy * * @return Prefix Map */ public static PrefixMap createForOutput(PrefixMap pmap) { return new FastAbbreviatingPrefixMap(pmap); } /** * Creates a new prefix map which is intended for use in output which starts * with a copy of an existing map * <p> * Will use whatever the version of ARQ you are using considers the best * implementation for output, this may change from release to release. * </p> * * @param pmap * Prefix Map to copy * * @return Prefix Map */ public static PrefixMap createForOutput(PrefixMapping pmap) { PrefixMap created = createForOutput(); created.putAll(pmap); return created; } /** * Creates a new prefix map, initialized from a Map of prefix to IRI string. * * @param pmap Mapping from prefix to IRI string * @return Prefix Map */ public static PrefixMap createForOutput(Map<String, String> pmap) { PrefixMap created = createForOutput(); created.putAll(pmap); return created; } /** * Creates a new prefix map which is an extension of an existing prefix map * <p> * This differs from using one of the various {@code create} methods since * it does not copy the existing prefix map, rather it maintains both a * local map and the existing map. All operations favour the local map but * defer to the existing map if the local map cannot fulfil a request. * </p> * * @param pmap * Prefix Map to extend * @return Prefix Map */ public static PrefixMap extend(PrefixMap pmap) { return new PrefixMapExtended(pmap); } /** Return an immutable view of the prefix map. * Throws {@link UnsupportedOperationException} on * attempts to update it. Refelcts hcnages mad to the underlying map. * @param pmap PrefixMap * @return Prefix Map */ public static PrefixMap unmodifiablePrefixMap(PrefixMap pmap) { return new PrefixMapUnmodifiable(pmap) ; } /** Return an always-empty and immutable prefix map * @return Prefix Map */ public static PrefixMap emptyPrefixMap() { return PrefixMapNull.empty ; } }