Metadata

Metadata class represents the metadata information of an EPUB book, including standard metadata fields such as title, author, publisher, etc.

Constructor

public Metadata()

Creates a new Metadata instance.

Main Methods

getTitle()

public String getTitle()

Gets book title.

Returns:

• String: Book title

setTitle()

public void setTitle(String title)

Sets book title.

Parameters:

• title: Book title

getCreator()

public String getCreator()

Gets book author.

Returns:

• String: Book author

setCreator()

public void setCreator(String creator)

Sets book author.

Parameters:

• creator: Book author

getLanguage()

public String getLanguage()

Gets book language.

Returns:

• String: Book language code (e.g., "en", "zh")

setLanguage()

public void setLanguage(String language)

Sets book language.

Parameters:

• language: Book language code

getPublisher()

public String getPublisher()

Gets book publisher.

Returns:

• String: Book publisher

setPublisher()

public void setPublisher(String publisher)

Sets book publisher.

Parameters:

• publisher: Book publisher

getIdentifier()

public String getIdentifier()

Gets book identifier.

Returns:

• String: Book identifier

setIdentifier()

public void setIdentifier(String identifier)

Sets book identifier.

Parameters:

• identifier: Book identifier

getDate()

public Date getDate()

Gets book publication date.

Returns:

• Date: Book publication date

setDate()

public void setDate(Date date)

Sets book publication date.

Parameters:

• date: Book publication date

getDescription()

public String getDescription()

Gets book description.

Returns:

• String: Book description

setDescription()

public void setDescription(String description)

Sets book description.

Parameters:

• description: Book description

getSubjects()

public List<String> getSubjects()

Gets book subject list.

Returns:

• List<String>: Book subject list

setSubjects()

public void setSubjects(List<String> subjects)

Sets book subject list.

Parameters:

• subjects: Book subject list

addSubject()

public void addSubject(String subject)

Adds book subject.

Parameters:

• subject: Book subject

getContributors()

public List<String> getContributors()

Gets book contributor list.

Returns:

• List<String>: Book contributor list

setContributors()

public void setContributors(List<String> contributors)

Sets book contributor list.

Parameters:

• contributors: Book contributor list

addContributor()

public void addContributor(String contributor)

Adds book contributor.

Parameters:

• contributor: Book contributor

getRights()

public String getRights()

Gets book rights information.

Returns:

• String: Book rights information

setRights()

public void setRights(String rights)

Sets book rights information.

Parameters:

• rights: Book rights information

getCoverId()

public String getCoverId()

Gets cover image ID.

Returns:

• String: Cover image ID

setCoverId()

public void setCoverId(String coverId)

Sets cover image ID.

Parameters:

• coverId: Cover image ID

getSeries()

public String getSeries()

Gets book series information.

Returns:

• String: Book series information

setSeries()

public void setSeries(String series)

Sets book series information.

Parameters:

• series: Book series information

getSeriesIndex()

public String getSeriesIndex()

Gets book's index in series.

Returns:

• String: Book's index in series

setSeriesIndex()

public void setSeriesIndex(String seriesIndex)

Sets book's index in series.

Parameters:

• seriesIndex: Book's index in series

getISBN()

public String getISBN()

Gets book ISBN.

Returns:

• String: Book ISBN

setISBN()

public void setISBN(String isbn)

Sets book ISBN.

Parameters:

• isbn: Book ISBN

getUUID()

public String getUUID()

Gets book UUID.

Returns:

• String: Book UUID

setUUID()

public void setUUID(String uuid)

Sets book UUID.

Parameters:

• uuid: Book UUID

getModifiedDate()

public Date getModifiedDate()

Gets book modification date.

Returns:

• Date: Book modification date

setModifiedDate()

public void setModifiedDate(Date modifiedDate)

Sets book modification date.

Parameters:

• modifiedDate: Book modification date

getMetaAttributes()

public Map<String, String> getMetaAttributes()

Gets custom metadata attributes.

Returns:

• Map<String, String>: Custom metadata attributes map

setMetaAttributes()

public void setMetaAttributes(Map<String, String> metaAttributes)

Sets custom metadata attributes.

Parameters:

• metaAttributes: Custom metadata attributes map

addMetaAttribute()

public void addMetaAttribute(String key, String value)

Adds custom metadata attribute.

Parameters:

• key: Attribute key
• value: Attribute value

getDcTerms()

public Map<String, String> getDcTerms()

Gets Dublin Core Terms metadata.

Returns:

• Map<String, String>: Dublin Core Terms metadata map

setDcTerms()

public void setDcTerms(Map<String, String> dcTerms)

Sets Dublin Core Terms metadata.

Parameters:

• dcTerms: Dublin Core Terms metadata map

addDcTerm()

public void addDcTerm(String key, String value)

Adds Dublin Core Term metadata.

Parameters:

• key: Term key
• value: Term value

isValid()

public boolean isValid()

Checks if metadata is valid (at least contains title).

Returns:

• boolean: Returns true if metadata is valid, otherwise false

toString()

public String toString()

Returns string representation of metadata.

Returns:

• String: String representation of metadata