private AlbumBean addOrUpdateAlbum(
Map<Integer, AlbumBean> map, SongBean song, boolean albumOnly) {
// Add an album bean
if (song != null && song.getAlbum() != null) {
int hashCode = (song.getAlbum() + (albumOnly ? "" : '\uFFFF' + song.getArtist())).hashCode();
// Check if the album beam already exists
AlbumBean album = map.get(hashCode);
if (album == null) {
album = new AlbumBean();
album.setAlbum(song.getAlbum());
map.put(hashCode, album);
}
// Update the album properties
try {
// Add the track id to the album bean
album.addSong(song);
album.incTracks();
album.setArtist(song.getArtist());
album.setGenre(song.getGenre());
album.setDisc_Count(song.getDisc_Count());
} catch (LibraryException le) {
// There was an error adding the song to this album, remove it
map.remove(hashCode);
// Add to warning message
warningList.add(song.getName() + " " + le);
}
return album;
}
return null;
}
/**
* Associated one DocumentBuilder per thread. This is so we avoid synchronizing (parse() for
* example may take a lot of time on a DocumentBuilder) or creating DocumentBuilder instances all
* the time. Since typically in an app server we work with a thread pool, not too many instances
* of DocumentBuilder should be created.
*/
private static DocumentBuilder getThreadDocumentBuilder() {
Thread thread = Thread.currentThread();
DocumentBuilder documentBuilder =
(documentBuilders == null) ? null : documentBuilders.get(thread);
// Try a first test outside the synchronized block
if (documentBuilder == null) {
synchronized (documentBuilderFactory) {
// Redo the test within the synchronized block
documentBuilder = (documentBuilders == null) ? null : documentBuilders.get(thread);
if (documentBuilder == null) {
if (documentBuilders == null) documentBuilders = new HashMap<Thread, DocumentBuilder>();
documentBuilder = newDocumentBuilder();
documentBuilders.put(thread, documentBuilder);
}
}
}
return documentBuilder;
}
private void addDefaultValues(Map attributes, Map mappings) {
if (mappings == null) return;
Iterator i = mappings.entrySet().iterator();
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
TagMap.AttributeMapping m = (TagMap.AttributeMapping) e.getValue();
if (null != m && null != m.getDefaultValue() && null == attributes.get(m.getPropertyName()))
attributes.put(m.getPropertyName(), m.getDefaultValue());
}
}
/**
* Get a SAXParserFactory to build combinations of validating and XInclude-aware SAXParser.
*
* @param parserConfiguration parser configuration
* @return the SAXParserFactory
*/
public static synchronized SAXParserFactory getSAXParserFactory(
XMLUtils.ParserConfiguration parserConfiguration) {
final String key = parserConfiguration.getKey();
final SAXParserFactory existingFactory = parserFactories.get(key);
if (existingFactory != null) return existingFactory;
final SAXParserFactory newFactory = createSAXParserFactory(parserConfiguration);
parserFactories.put(key, newFactory);
return newFactory;
}
// returns list of statements
protected static void replaceMultSPO(
Statement st, NodeFactory f, Map o2n, Collection result, RDFNode toReplace, int position)
throws ModelException {
Collection replacements;
if (toReplace instanceof Statement) {
List l = new ArrayList();
replaceMult((Statement) toReplace, f, o2n, l);
if (l.size() == 1 && toReplace == l.get(0)) {
result.add(st);
return; // keep the same
} else replacements = l;
} else {
Object ro = o2n.get(toReplace);
if (ro instanceof Collection) replacements = (Collection) ro;
else if (ro != null) {
replacements = new ArrayList();
replacements.add(ro);
} else { // no replacement needed
result.add(st); // keep the same statement
return;
}
}
for (Iterator it = replacements.iterator(); it.hasNext(); ) {
Statement rs = null;
Object rr = it.next();
switch (position) {
case 0:
rs = f.createStatement((Resource) rr, st.predicate(), st.object());
break;
case 1:
rs = f.createStatement(st.subject(), (Resource) rr, st.object());
break;
case 2:
rs = f.createStatement(st.subject(), st.predicate(), (RDFNode) rr);
break;
}
result.add(rs);
}
}
public static Statement replaceResources(Statement st, NodeFactory f, Map o2n)
throws ModelException {
boolean replaced = false;
Resource subj = st.subject();
Resource pred = st.predicate();
RDFNode obj = st.object();
Object n = null;
if (obj instanceof Statement) {
n = obj;
obj = replaceResources((Statement) obj, f, o2n);
replaced = n != obj;
} else if ((n = o2n.get(obj)) != null) {
replaced = true;
obj = (RDFNode) n;
}
if (subj instanceof Statement) {
n = subj;
subj = replaceResources((Statement) subj, f, o2n);
replaced = n != subj;
}
if ((n = o2n.get(subj)) != null) {
replaced = true;
subj = (Resource) n;
}
if ((n = o2n.get(pred)) != null) {
replaced = true;
pred = (Resource) n;
}
return replaced ? f.createStatement(subj, pred, obj) : st;
}
/**
* Returns the the JDOM Attribute type value from the SAX 2.0 attribute type string provided by
* the parser.
*
* @param typeName <code>String</code> the SAX 2.0 attribute type string.
* @return <code>int</code> the JDOM attribute type.
* @see Attribute#setAttributeType
* @see Attributes#getType
*/
private static int getAttributeType(String typeName) {
Integer type = (Integer) (attrNameToTypeMap.get(typeName));
if (type == null) {
if (typeName != null && typeName.length() > 0 && typeName.charAt(0) == '(') {
// Xerces 1.4.X reports attributes of enumerated type with
// a type string equals to the enumeration definition, i.e.
// starting with a parenthesis.
return Attribute.ENUMERATED_TYPE;
} else {
return Attribute.UNDECLARED_TYPE;
}
} else {
return type.intValue();
}
}
public void startEntity(String name) throws SAXException {
entityDepth++;
if (expand || entityDepth > 1) {
// Short cut out if we're expanding or if we're nested
return;
}
// A "[dtd]" entity indicates the beginning of the external subset
if (name.equals("[dtd]")) {
inInternalSubset = false;
return;
}
// Ignore DTD references, and translate the standard 5
if ((!inDTD)
&& (!name.equals("amp"))
&& (!name.equals("lt"))
&& (!name.equals("gt"))
&& (!name.equals("apos"))
&& (!name.equals("quot"))) {
if (!expand) {
String pub = null;
String sys = null;
String[] ids = (String[]) externalEntities.get(name);
if (ids != null) {
pub = ids[0]; // may be null, that's OK
sys = ids[1]; // may be null, that's OK
}
/**
* if no current element, this entity belongs to an attribute in these cases, it is an error
* on the part of the parser to call startEntity but this will help in some cases. See
* org/xml/sax/ext/LexicalHandler.html#startEntity(java.lang.String) for more information
*/
if (!atRoot) {
flushCharacters();
EntityRef entity = factory.entityRef(name, pub, sys);
// no way to tell if the entity was from an attribute or element so just assume element
factory.addContent(getCurrentElement(), entity);
}
suppress = true;
}
}
}
private void checkForRequiredAttributes(String tagName, Map attributes, Map mappings)
throws ParserException {
if (mappings == null) return;
Iterator i = mappings.entrySet().iterator();
while (i.hasNext()) {
Map.Entry e = (Map.Entry) i.next();
TagMap.AttributeMapping m = (TagMap.AttributeMapping) e.getValue();
if (null != m && m.getRequired())
if (null == mappings || null == attributes.get(m.getPropertyName()))
throw new ParserException(
"An attribute that maps to property name: "
+ m.getPropertyName()
+ " is required and was not specified for tag:"
+ tagName
+ "!");
}
}
private Map attributeMap(String tagName, Attributes atts) throws ParserException {
if (null == tagName || null == atts) return null;
Map mapping = null;
try {
mapping = (Map) attributeMaps.get(tagName);
} catch (Exception e) {
throw new ParserException(
"Typecast error, unknown element found in attribute list mappings! " + e.getMessage());
}
if (null == mapping) return null;
Map resultMapping = new HashMap();
for (int i = 0; i < atts.getLength(); i++) {
String xmlName = atts.getQName(i);
String value = atts.getValue(i);
TagMap.AttributeMapping aMap = null;
try {
aMap = (TagMap.AttributeMapping) mapping.get(xmlName);
} catch (Exception e) {
throw new ParserException(
"Typecast error, unknown element found in property mapping! " + e.getMessage());
}
if (null == aMap)
throw new ParserException(
"No attribute mapping specified for attribute: " + xmlName + " in tag: " + tagName);
String propertyName = aMap.getPropertyName();
try {
resultMapping.put(propertyName, aMap.convertValue(value));
} catch (Exception e) {
throw new ParserException(
"Can not convert given value: \""
+ value
+ "\" to specified type: "
+ aMap.getType()
+ " for attribute: "
+ xmlName
+ " in tag: "
+ tagName
+ "! "
+ e.getMessage());
}
}
checkForRequiredAttributes(tagName, resultMapping, mapping);
addDefaultValues(resultMapping, mapping);
return resultMapping;
}
public MissionInfo getMission(String name) {
return data.get(name);
}