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.HashMap;
33 import java.util.Iterator;
36 public class XMLReaderTool {
37 public static void checkValidIdentifier(String anIdentifier) throws XMLParserExc {
40 public static String getStringAttributeWithDefault(java.util.Map anAttributes, String aKey, String aDefault) {
41 if (anAttributes.containsKey(aKey))
42 return (String) anAttributes.get(aKey);
47 public static void checkIntegerAttribute(java.util.Map anAttributes, String aKey) throws XMLParserExc {
49 Integer.parseInt((String) anAttributes.get(aKey));
52 throw new XMLParserExc("attribute '"+aKey+"' is not an integer" );
56 public static int getIntegerAttributeWithDefault(java.util.Map anAttributes, String aKey, int aDefault) throws XMLParserExc {
57 if (anAttributes.containsKey(aKey)) {
58 checkIntegerAttribute(anAttributes, aKey);
60 return Integer.parseInt((String) anAttributes.get(aKey));
66 public static void checkAttributes(java.util.Map anAttributes, String[] aRequiredAttributes, String[] anOptionalAttributes) throws XMLParserExc {
67 checkAttributeSet(anAttributes.keySet(),
68 new java.util.HashSet(java.util.Arrays.asList(aRequiredAttributes)),
69 new java.util.HashSet(java.util.Arrays.asList(anOptionalAttributes)));
72 public static void checkAttributeSet(java.util.Set aSet, java.util.Set aRequiredElements, java.util.Set anOptionalElements) throws XMLParserExc{
77 Object item = i.next();
79 if (!(aRequiredElements.contains(item) || anOptionalElements.contains(item)))
80 throw new XMLParserExc("unknown attribute '" + item + "'" );
83 i = aRequiredElements.iterator();
85 Object item = i.next();
87 if (!(aSet.contains(item)))
88 throw new XMLParserExc("missing required attribute '" + item + "'" );
94 * Returns the namespace part of a qualified XML Tag name <br>
96 * <code>getPrefixFromQualifiedName("dc:creator");</code> <br>
97 * will return <code>"dc"</code>
100 public static String getPrefixFromQualifiedName(String aQualifiedName) {
101 java.util.List parts = mir.util.StringRoutines.splitString(aQualifiedName, ":");
106 return (String) parts.get(0);
110 * Returns the localname part of a qualified XML Tag name <br>
112 * <code>getLocalNameFromQualifiedName("dc:creator");</code> <br>
113 * will return <code>"creator"</code>
115 public static String getLocalNameFromQualifiedName(String aQualifiedName) {
116 java.util.List parts = mir.util.StringRoutines.separateString(aQualifiedName, ":");
122 return (String) parts.get(0);
124 return (String) parts.get(1);
128 * Creates an {@link XMLName} out of qualified name by splitting on the
131 public static XMLName getXMLNameForQualifiedName(String aQualifiedName) {
134 getPrefixFromQualifiedName(aQualifiedName),
135 getLocalNameFromQualifiedName(aQualifiedName));
139 * Turns a Map with {@link XMLName} keys into a map with {@link String} keys,
140 * by taking the <code>XMLName</code>'s local name
142 public static Map convertXMLAttributeMap(Map anXMLAttributeMap) {
143 Map result = new HashMap();
145 Iterator i = anXMLAttributeMap.entrySet().iterator();
147 while (i.hasNext()) {
148 Map.Entry entry = (Map.Entry) i.next();
151 ((XMLName) entry.getKey()).getLocalName(),