- Added this unique class for storing namespace name (inspired from OMWG)

src/fr/inrialpes/exmo/align/impl/Namespace.java

+/*
+ * $Id$
+ *
+* Copyright (C) 2006 Digital Enterprise Research Insitute (DERI) Innsbruck
+ * Copyright (C) 2005 Digital Enterprise Research Insitute (DERI) Galway
+ * Sourceforge version 1.2 - 2008 - then NamespaceDefs.java
+ * Copyright (C) INRIA, 2008-2009
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or
+ * (at your option) any later version.
+ * 
+ * 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 Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser 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 fr.inrialpes.exmo.align.impl;
+
+import java.util.HashMap;
+import java.util.Map;
+
+// TODO: get shortcut by uri
+
+// JE: for extendibility purposes, it would be useful that this class be something
+// else than an enum class.
+
+public enum Namespace {
+    // JE: added align as shortcut
+    // JE: But latter suppressed because, "" may be used for default namespace
+    // JE2009: I one use print(DEF), then it is not needed...
+	//ALIGNMENT("http://knowledgeweb.semanticweb.org/heterogeneity/alignment", "align"),
+    ALIGNMENT("http://knowledgeweb.semanticweb.org/heterogeneity/alignment", "align", true),
+	// JE2009: is this never used??
+	//OMWG("http://ns.inria.org/edoal/0.9", "omwg", true),
+	EDOAL("http://ns.inria.org/edoal/1.0/", "edoal", true),
+	DUBLIN_CORE("http://purl.org/dc/elements/1.1/", "dc", false),
+	RDF_SCHEMA("http://www.w3.org/2000/01/rdf-schema#", "rdfs", false),
+	XSD("http://www.w3.org/2001/XMLSchema#", "xsd", false),
+	RDF("http://www.w3.org/1999/02/22-rdf-syntax-ns#", "rdf", false),
+	WSML_CORE("http://www.wsmo.org/wsml/wsml-syntax/wsml-core", "wsml", true),
+	WSML_FLIGHT("http://www.wsmo.org/wsml/wsml-syntax/wsml-flight", "wsml", true),
+	WSML_RULE("http://www.wsmo.org/wsml/wsml-syntax/wsml-rule", "wsml", true),
+	WSML_DL("http://www.wsmo.org/wsml/wsml-syntax/wsml-dl", "wsml", true),
+	WSML_FULL("http://www.wsmo.org/wsml/wsml-syntax/wsml-full", "wsml", true);
+
+	public final String uri;
+
+	public final String shortCut;
+
+	/**
+	 * records if a sharp must be concatenated to the namespace
+	 */
+	private final boolean addSharp;
+
+	private String prefix;
+
+	private static final Map<String, Namespace> register = new HashMap<String, Namespace>();
+
+	Namespace(final String sUri, final String sShort, final boolean sharp ) {
+	    uri = sUri;
+	    shortCut = sShort;
+	    addSharp = sharp;
+	    if ( addSharp )
+		prefix = uri+"#";
+	    else
+		prefix = uri;
+	}
+
+	public String getUri() {
+		return uri;
+	}
+
+	public String getUriPrefix() {
+		return prefix;
+	}
+
+	public String getShortCut() {
+		return shortCut;
+	}
+
+	public boolean getSharp() {
+		return addSharp;
+	}
+
+	/**
+	 * Determines a namespace instance depending on it's url.
+	 * 
+	 * @param url
+	 *            the url of the namespace.
+	 * @return the namespace instance, or null, if no mathing namespace could be
+	 *         found.
+	 */
+	public static Namespace getNSByUri(final String url) {
+	    Namespace result = null;
+	    if (register.size() <= 0) {
+		for ( Namespace ns : Namespace.values() ) {
+		    register.put(ns.getUri(), ns);
+		    if ( ns.getUri().equals( url ) ) result = ns;
+		}
+	    } else { result = register.get(url); }
+	    return result;
+	}
+}