*/
public class Metadata {
- /** Constant for an unknown number of channels. */
- public static final int UNKNOWN_CHANNELS = -1;
+ /** The format metadata. */
+ private final FormatMetadata formatMetadata;
- /** Constant for an unknown frequency. */
- public static final int UNKNOWN_FREQUENCY = -1;
-
- /** Constant for an unknown metadata. */
- public static final String UNKNOWN_ENCODING = "UNKNOWN";
-
- /** The number of channels of this metadata. */
- private final int channels;
-
- /** The sampling frequency of this metadata. */
- private final int frequency;
-
- /** The encoding of this metadata. */
- private final String encoding;
-
- /** The artist performing the content. */
- private final Optional<String> artist;
-
- /** The name of the content. */
- private final Optional<String> name;
+ /** The content metadata. */
+ private final ContentMetadata contentMetadata;
/** Creates empty metadata. */
- public Metadata(int channels, int frequency, String encoding) {
- this(channels, frequency, encoding, null, null);
+ public Metadata() {
+ this(new FormatMetadata(), new ContentMetadata());
}
/**
- * Creates metadata with the given attributes.
+ * Creates metadata from the given format and content metadata.
*
- * @param artist
- * The artist performing the content (may be {@code null})
- * @param name
- * The name of the content (may be {@code null})
+ * @param formatMetadata
+ * The format metadata
+ * @param contentMetadata
+ * The content metadata
*/
- private Metadata(int channels, int frequency, String encoding, String artist, String name) {
- this.channels = channels;
- this.frequency = frequency;
- this.encoding = encoding;
- this.artist = Optional.fromNullable(artist);
- this.name = Optional.fromNullable(name);
+ public Metadata(FormatMetadata formatMetadata, ContentMetadata contentMetadata) {
+ this.formatMetadata = formatMetadata;
+ this.contentMetadata = contentMetadata;
}
//
//
/**
+ * Returns the embedded format metadata.
+ *
+ * @return The format metadata
+ */
+ public FormatMetadata format() {
+ return formatMetadata;
+ }
+
+ /**
+ * Returns the embedded content metadata.
+ *
+ * @return The content metadata
+ */
+ public ContentMetadata content() {
+ return contentMetadata;
+ }
+
+ /**
* Returns the number of channels of this metadata.
*
* @return The number of channels of this metadata
*/
public int channels() {
- return channels;
+ return formatMetadata.channels();
}
/**
* @return A new metadata with the given number of channels
*/
public Metadata channels(int channels) {
- return new Metadata(channels, frequency, encoding, artist.orNull(), name.orNull());
+ return new Metadata(formatMetadata.channels(channels), contentMetadata);
}
/**
* @return The sampling frequency of this metadata
*/
public int frequency() {
- return frequency;
+ return formatMetadata.frequency();
}
/**
* @return A new metadata with the given frequency
*/
public Metadata frequency(int frequency) {
- return new Metadata(channels, frequency, encoding, artist.orNull(), name.orNull());
+ return new Metadata(formatMetadata.frequency(frequency), contentMetadata);
}
/**
* @return The encoding of this metadata
*/
public String encoding() {
- return encoding;
+ return formatMetadata.encoding();
}
/**
* @return A new metadata with the given encoding
*/
public Metadata encoding(String encoding) {
- return new Metadata(channels, frequency, encoding, artist.orNull(), name.orNull());
+ return new Metadata(formatMetadata.encoding(encoding), contentMetadata);
}
/**
* @return The artist, or {@link Optional#absent()}
*/
public Optional<String> artist() {
- return artist;
+ return contentMetadata.artist();
}
/**
* @return New metadata with a changed artist
*/
public Metadata artist(String artist) {
- return new Metadata(channels, frequency, encoding, artist, this.artist.orNull());
+ return new Metadata(formatMetadata, contentMetadata.artist(artist));
}
/**
* @return The name, or {@link Optional#absent()}
*/
public Optional<String> name() {
- return name;
+ return contentMetadata.name();
}
/**
* @return New metadata with a changed name
*/
public Metadata name(String name) {
- return new Metadata(channels, frequency, encoding, name, this.name.orNull());
+ return new Metadata(formatMetadata, contentMetadata.name(name));
+ }
+
+ /**
+ * Returns the title of the content.
+ *
+ * @return The title of the content
+ */
+ public String title() {
+ return contentMetadata.title();
+ }
+
+ /**
+ * Returns new metadata with the same attributes as this metadata but with the
+ * title changed to the given title.
+ *
+ * @param title
+ * The new title
+ * @return The new metadata
+ */
+ public Metadata title(String title) {
+ return new Metadata(formatMetadata, contentMetadata.title(title));
}
//
@Override
public int hashCode() {
- int hashCode = (channels << 16) ^ frequency ^ encoding.toUpperCase().hashCode();
- if (artist.isPresent()) {
- hashCode ^= artist.get().hashCode();
- }
- if (name.isPresent()) {
- hashCode ^= name.get().hashCode();
- }
- return hashCode;
+ return formatMetadata.hashCode() ^ contentMetadata.hashCode();
}
@Override
public boolean equals(Object object) {
- if ((object == null) || (getClass() != object.getClass())) {
+ if (!(object instanceof Metadata)) {
return false;
}
Metadata metadata = (Metadata) object;
- if ((metadata.channels != channels) || (metadata.frequency != frequency) || !metadata.encoding.equalsIgnoreCase(encoding())) {
- return false;
- }
- if (artist.equals(metadata.artist)) {
- return false;
- }
- if (name.equals(metadata.name)) {
- return false;
- }
- return true;
+ return formatMetadata.equals(metadata.formatMetadata) && contentMetadata.equals(metadata.contentMetadata);
}
@Override
public String toString() {
- StringBuilder string = new StringBuilder();
- string.append(String.format("%d Channel%s, %d Hz, %s:", channels, channels != 1 ? "s" : "", frequency, encoding));
- if (artist.isPresent()) {
- string.append(" Artist(").append(artist.get()).append(")");
- }
- if (name.isPresent()) {
- string.append(" Name(").append(name.get()).append(")");
- }
- return string.toString();
+ return String.format("%s: %s", formatMetadata, contentMetadata);
}
}
projects / sonitus.git / blobdiff