/**
* Utility method for determining if a namespace name is valid for use on the Wiki, meaning that
* it is not empty and does not contain any invalid characters.
*
* @param name The namespace name to validate.
* @throws WikiException Thrown if the user name is invalid.
*/
public static void validateNamespaceName(String name) throws WikiException {
if (name == null
|| (name.length() != 0 && StringUtils.isBlank(name))
|| name.length() != name.trim().length()) {
// name cannot be null, contain only whitespace, or have trailing whitespace
throw new WikiException(new WikiMessage("admin.vwiki.error.namespace.whitespace", name));
}
Matcher m = WikiUtil.INVALID_NAMESPACE_NAME_PATTERN.matcher(name);
if (m.find()) {
throw new WikiException(new WikiMessage("admin.vwiki.error.namespace.characters", name));
}
List<Namespace> namespaces = null;
try {
namespaces = WikiBase.getDataHandler().lookupNamespaces();
} catch (DataAccessException e) {
throw new WikiException(new WikiMessage("error.unknown", e.getMessage()));
}
for (Namespace namespace : namespaces) {
// verify that the namespace name is unique
if (name.equals(namespace.getDefaultLabel())) {
throw new WikiException(new WikiMessage("admin.vwiki.error.namespace.unique", name));
}
// verify that there are no translated namespaces with the same name
for (String namespaceTranslation : namespace.getNamespaceTranslations().values()) {
if (name.equals(namespaceTranslation)) {
throw new WikiException(new WikiMessage("admin.vwiki.error.namespace.unique", name));
}
}
}
}
@Test
public void testSetNamespace() throws Throwable {
WikiLink wikiLink = new WikiLink("/wiki", "en", null);
wikiLink.setNamespace(Namespace.namespace(Namespace.FILE_ID));
assertEquals(
"wikiLink.getNamespace()", Namespace.namespace(Namespace.FILE_ID), wikiLink.getNamespace());
}
private void writeSiteInfo(Writer writer, String virtualWikiName)
throws DataAccessException, IOException {
VirtualWiki virtualWiki = WikiBase.getDataHandler().lookupVirtualWiki(virtualWikiName);
writer.append("\n<siteinfo>");
String sitename = virtualWiki.getSiteName();
writer.append('\n');
XMLUtil.buildTag(writer, "sitename", sitename, true);
String base = this.retrieveBaseUrl();
writer.append('\n');
XMLUtil.buildTag(writer, "base", base, true);
String generator = "JAMWiki " + WikiVersion.CURRENT_WIKI_VERSION;
writer.append('\n');
XMLUtil.buildTag(writer, "generator", generator, true);
/*
Cannot have two titles differing only by case of first letter. Default behavior through 1.5, $wgCapitalLinks = true
<enumeration value="first-letter" />
Complete title is case-sensitive. Behavior when $wgCapitalLinks = false
<enumeration value="case-sensitive" />
Cannot have two titles differing only by case. Not yet implemented as of MediaWiki 1.5
<enumeration value="case-insensitive" />
*/
writer.append('\n');
XMLUtil.buildTag(writer, "case", "case-sensitive", true);
writer.append("\n<namespaces>");
Map<String, String> attributes = new HashMap<String, String>();
List<Namespace> namespaces = WikiBase.getDataHandler().lookupNamespaces();
for (Namespace namespace : namespaces) {
attributes.put("key", Integer.toString(namespace.getId()));
writer.append('\n');
XMLUtil.buildTag(writer, "namespace", namespace.getLabel(virtualWikiName), attributes, true);
}
writer.append("\n</namespaces>");
writer.append("\n</siteinfo>");
}
/**
* Given an article name, extract an appropriate topic article name. For example, if the article
* name is "Comments:Topic" then the return value is "Topic".
*
* @param virtualWiki The current virtual wiki.
* @param name The article name from which a topic article name is to be constructed.
* @return The topic article name for the article name.
*/
public static String extractTopicLink(String virtualWiki, String name) {
if (StringUtils.isBlank(name)) {
throw new IllegalArgumentException("Topic name must not be empty in extractTopicLink");
}
WikiLink wikiLink = LinkUtil.parseWikiLink(virtualWiki, name);
Namespace mainNamespace = Namespace.findMainNamespace(wikiLink.getNamespace());
if (mainNamespace == null) {
throw new IllegalArgumentException("Topic " + name + " does not have a main namespace");
}
return (!StringUtils.isBlank(mainNamespace.getLabel(virtualWiki)))
? mainNamespace.getLabel(virtualWiki) + Namespace.SEPARATOR + wikiLink.getArticle()
: wikiLink.getArticle();
}
@Test(expected = IllegalArgumentException.class)
public void testSetNamespace2() throws Throwable {
WikiLink wikiLink = new WikiLink("/wiki", "en", null);
wikiLink.setNamespace(null);
assertEquals(
"wikiLink.getNamespace()", Namespace.namespace(Namespace.FILE_ID), wikiLink.getNamespace());
}
/**
* Given a namespace name, determine the topic type.
*
* @param namespace The namespace.
* @return The topic type that matches the namespace.
*/
public static TopicType findTopicTypeForNamespace(Namespace namespace) {
if (namespace != null) {
if (namespace.getId().equals(Namespace.CATEGORY_ID)) {
return TopicType.CATEGORY;
}
if (namespace.getId().equals(Namespace.TEMPLATE_ID)) {
return TopicType.TEMPLATE;
}
if (namespace.getId().equals(Namespace.JAMWIKI_ID)) {
return TopicType.SYSTEM_FILE;
}
if (namespace.getId().equals(Namespace.FILE_ID)) {
// FIXME - handle TYPE_FILE
return TopicType.IMAGE;
}
}
return TopicType.ARTICLE;
}
/**
* Given an article name, return the appropriate comments topic article name. For example, if the
* article name is "Topic" then the return value is "Comments:Topic".
*
* @param virtualWiki The current virtual wiki.
* @param name The article name from which a comments article name is to be constructed.
* @return The comments article name for the article name.
*/
public static String extractCommentsLink(String virtualWiki, String name) {
if (StringUtils.isBlank(name)) {
throw new IllegalArgumentException("Topic name must not be empty in extractCommentsLink");
}
WikiLink wikiLink = LinkUtil.parseWikiLink(virtualWiki, name);
Namespace commentsNamespace = null;
try {
commentsNamespace = Namespace.findCommentsNamespace(wikiLink.getNamespace());
} catch (DataAccessException e) {
throw new IllegalStateException("Database error while retrieving comments namespace", e);
}
if (commentsNamespace == null) {
throw new IllegalArgumentException("Topic " + name + " does not have a comments namespace");
}
return (!StringUtils.isBlank(commentsNamespace.getLabel(virtualWiki)))
? commentsNamespace.getLabel(virtualWiki) + Namespace.SEPARATOR + wikiLink.getArticle()
: wikiLink.getArticle();
}
/**
* Given a topic name, determine if that name corresponds to a comments page.
*
* @param virtualWiki The current virtual wiki.
* @param topicName The topic name (non-null) to examine to determine if it is a comments page or
* not.
* @return <code>true</code> if the page is a comments page, <code>false</code> otherwise.
*/
public static boolean isCommentsPage(String virtualWiki, String topicName) {
WikiLink wikiLink = LinkUtil.parseWikiLink(virtualWiki, topicName);
if (wikiLink.getNamespace().getId().equals(Namespace.SPECIAL_ID)) {
return false;
}
try {
return (Namespace.findCommentsNamespace(wikiLink.getNamespace()) != null);
} catch (DataAccessException e) {
throw new IllegalStateException("Database error while retrieving comments namespace", e);
}
}
@Test
public void testConstructor() throws Throwable {
WikiLink wikiLink = new WikiLink("/wiki", "en", null);
assertNull("wikiLink.getQuery()", wikiLink.getQuery());
assertNull("wikiLink.getSection()", wikiLink.getSection());
assertNull("wikiLink.getText()", wikiLink.getText());
assertNull("wikiLink.getArticle()", wikiLink.getArticle());
assertEquals(
"wikiLink.getNamespace()", Namespace.namespace(Namespace.MAIN_ID), wikiLink.getNamespace());
assertNull("wikiLink.getDestination()", wikiLink.getDestination());
assertFalse("wikiLink.getColon()", wikiLink.getColon());
}
@Override
public String getTemplateNamespace() {
// FIXME - this does not return the virtual wiki specific namespace
return Namespace.namespace(Namespace.TEMPLATE_ID).getDefaultLabel();
}
@Override
public String getImageNamespace() {
// FIXME - this does not return the virtual wiki specific namespace
return Namespace.namespace(Namespace.FILE_ID).getDefaultLabel();
}
@Override
public String getCategoryNamespace() {
// FIXME - this does not return the virtual wiki specific namespace
return Namespace.namespace(Namespace.CATEGORY_ID).getDefaultLabel();
}
