/** Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved. Contact: SYSTAP, LLC DBA Blazegraph 2501 Calvert ST NW #106 Washington, DC 20008 licenses@blazegraph.com This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; version 2 of the License. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package com.bigdata.rdf.internal; import com.bigdata.rdf.internal.impl.literal.AbstractLiteralIV; import com.bigdata.rdf.model.BigdataLiteral; /** * * Utility IV to generate IVs for URIs in the form of http://example.org/value/STRPREFIX1234234513STRSUFFIX * where the localName of the URI is a string prefix followed by a fixed width integer value followed by a string suffix. * * You should extend this class with implementation for specific instances of URIs that follow * this form such as: http://rdf.ncbi.nlm.nih.gov/pubchem/compound/CID_000234_SUFFIX would be * created as * * <code> * InlinePrefixedSuffixedFixedWidthIntegerURIHandler handler = new InlinePrefixedSuffixedFixedWidthIntegerURIHandler("http://rdf.ncbi.nlm.nih.gov/pubchem/compound/","CID_","_SUFFIX",6) * </code> * This has support for overloading on a single namespace {@link InlineLocalNameIntegerURIHandler}. * * @author beebs * */ public class InlinePrefixedSuffixedFixedWidthIntegerURIHandler extends InlineLocalNameIntegerURIHandler implements IPrefixedURIHandler, ISuffixedURIHandler { private String prefix = null; private String suffix = null; private int width = 0; public InlinePrefixedSuffixedFixedWidthIntegerURIHandler(final String namespace, final String prefix, final String suffix, final int width) { super(namespace); this.prefix = prefix; this.suffix = suffix; this.width = width; } public InlinePrefixedSuffixedFixedWidthIntegerURIHandler(final String namespace, final String prefix, final String suffix, final int width, final int id) { super(namespace); this.prefix = prefix; this.suffix = suffix; this.width = width; this.packedId = id; } @Override @SuppressWarnings("rawtypes") protected AbstractLiteralIV createInlineIV(String localName) { if (!localName.startsWith(this.prefix) || !localName.endsWith(suffix)) { return null; } final String intValue = localName.substring(this.prefix.length(), localName.length() - this.suffix.length()); return super.createInlineIV(getPackedValueString(intValue)); } @Override public String getLocalNameFromDelegate( AbstractLiteralIV<BigdataLiteral, ?> delegate) { final String intStr = super.getLocalNameFromDelegate(delegate); final int intVal = (int) getUnpackedValueFromString(intStr); return this.prefix + String.format("%0" + width + "d", intVal) + suffix; } public String getPrefix() { return prefix; } public String getSuffix() { return suffix; } }