2 * Copyright (C) 2001, 2002 The Mir-coders group
4 * This file is part of Mir.
6 * Mir is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * Mir is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with Mir; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 * In addition, as a special exception, The Mir-coders gives permission to link
21 * the code of this program with any library licensed under the Apache Software License,
22 * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
23 * (or with modified versions of the above that use the same license as the above),
24 * and distribute linked combinations including the two. You must obey the
25 * GNU General Public License in all respects for all of the code used other than
26 * the above mentioned libraries. If you modify this file, you may extend this
27 * exception to your version of the file, but you are not obligated to do so.
28 * If you do not wish to do so, delete this exception statement from your version.
32 import java.util.Arrays;
33 import java.util.HashSet;
34 import java.util.Iterator;
35 import java.util.List;
39 public class XMLReaderTool {
41 public static void checkValidIdentifier(String anIdentifier) throws XMLReader.XMLReaderExc {
44 public static String getStringAttributeWithDefault(Map anAttributes, String aKey, String aDefault) {
45 if (anAttributes.containsKey(aKey))
46 return (String) anAttributes.get(aKey);
51 public static void checkIntegerAttribute(Map anAttributes, String aKey) throws XMLReader.XMLReaderExc {
53 Integer.parseInt((String) anAttributes.get(aKey));
56 throw new XMLReader.XMLReaderExc("attribute '"+aKey+"' is not an integer" );
60 public static int getIntegerAttributeWithDefault(Map anAttributes, String aKey, int aDefault) throws XMLReader.XMLReaderExc {
63 if (anAttributes.containsKey(aKey)) {
64 checkIntegerAttribute(anAttributes, aKey);
65 return Integer.parseInt((String) anAttributes.get(aKey));
71 public static void checkAttributes(Map anAttributes, String[] aRequiredAttributes, String[] anOptionalAttributes) throws XMLReader.XMLReaderExc {
72 checkAttributeSet(anAttributes.keySet(),
73 new HashSet(Arrays.asList(aRequiredAttributes)),
74 new HashSet(Arrays.asList(anOptionalAttributes)));
77 public static void checkAttributeSet(Set aSet, Set aRequiredElements, Set anOptionalElements) throws XMLReader.XMLReaderExc{
82 Object item = i.next();
84 if (!(aRequiredElements.contains(item) || anOptionalElements.contains(item)))
85 throw new XMLReader.XMLReaderExc("unknown attribute '" + item + "'" );
88 i = aRequiredElements.iterator();
90 Object item = i.next();
92 if (!(aSet.contains(item)))
93 throw new XMLReader.XMLReaderExc("missing required attribute '" + item + "'" );
99 * Returns the namespace part of a qualified XML Tag name <br>
101 * <code>getNameSpaceFromQualifiedName("dc:creator");</code> <br>
102 * will return <code>"dc"</code>
104 * @param aQualifiedName
108 public static String getNameSpaceFromQualifiedName(String aQualifiedName) {
109 List parts = StringRoutines.splitString(aQualifiedName, ":");
114 return (String) parts.get(0);
118 * Returns the localname part of a qualified XML Tag name <br>
120 * <code>getLocalNameFromQualifiedName("dc:creator");</code> <br>
121 * will return <code>"creator"</code>
123 * @param aQualifiedName
127 public static String getLocalNameFromQualifiedName(String aQualifiedName) {
128 List parts = StringRoutines.splitString(aQualifiedName, ":");
133 return (String) parts.get(0);
135 return (String) parts.get(1);