Package org.faceless.publisher.type

Class Util

java.lang.Object

org.faceless.publisher.type.Util

public class Util
extends Object

A collection of static Utility methods

Field Summary

Fields

Modifier and Type	Field	Description
static final String	NS_BFO	The namespace for BFO Publisher: http://bfo.com/ns/publisher
static final String	NS_DC	The "dc" namespace for Dublin Core elements: http://purl.org/dc/elements/1.1/
static final String	NS_HTML	The namespace for HTML: http://www.w3.org/1999/xhtml
static final String	NS_MATHML	The namespace for MathML: http://www.w3.org/1998/Math/MathML
static final String	NS_PDF1	The namespace for all tags used with PDF 1.x: http://iso.org/pdf/ssn
static final String	NS_PDF2	The namespace for all tags used with PDF 2.x: http://iso.org/pdf2/ssn
static final String	NS_RDF	The "rdf" namespace for RDF: http://www.w3.org/1999/02/22-rdf-syntax-ns#
static final String	NS_SVG	The namespace for SVG: http://www.w3.org/2000/svg
static final String	NS_XI	The "xi" namespace for XInclude: http://www.w3.org/2001/XInclude
static final String	NS_XILA	The namespace for XInclude 1.1 local attributes: http://www.w3.org/2001/XInclude/local-attributes
static final String	NS_XLINK	The "xlink" namespace: http://www.w3.org/1999/xlink
static final String	NS_XML	The "xml" namespace (see XMLConstants.XML_NS_URI
static final String	NS_XMLNS	The "xmlns" namespace (see XMLConstants.XMLNS_ATTRIBUTE_NS_URI)
static final String	NS_XSL	The "xsl" namespace for XSLT: http://www.w3.org/1999/XSL/Transform

Method Summary

Modifier and Type	Method	Description
static void	copyStream(InputStream in, OutputStream out)	Convenient method to copy an InputStream to an OutputStream.
static URL2	createDataURL(Blob blob)	Create a "data:" URL from the specified Blob
static URL2	createDataURL(MediaType mediaType, InputStream in)	Create a "data:" URL which will be Base-64 encoded.
static URL2	createDataURL(MediaType mediaType, String data)	Create a "data:" URL
static boolean	equals(Object o1, Object o2)
static OutputStream	getCompressingOutputStream(OutputStream out, String type)	Compress the supplied OutputStream
static String	hex(byte[] in)	Return the byte array as a lowercase hex string
static byte[]	hex(String in)	Return a byte array from the hex-encoded input
static byte[]	readFully(InputStream in)	Convenient method to read an InputStream fully into a byte array.
static String	toString(Object o)	A toString() method that improves on the original where possible

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

NS_HTML

public static final String NS_HTML

The namespace for HTML: http://www.w3.org/1999/xhtml

See Also:

• Constant Field Values

NS_BFO

public static final String NS_BFO

The namespace for BFO Publisher: http://bfo.com/ns/publisher

See Also:

• Constant Field Values

NS_SVG

public static final String NS_SVG

The namespace for SVG: http://www.w3.org/2000/svg

See Also:

• Constant Field Values

NS_MATHML

public static final String NS_MATHML

The namespace for MathML: http://www.w3.org/1998/Math/MathML

See Also:

• Constant Field Values

NS_RDF

public static final String NS_RDF

The "rdf" namespace for RDF: http://www.w3.org/1999/02/22-rdf-syntax-ns#

See Also:

• Constant Field Values

NS_DC

public static final String NS_DC

The "dc" namespace for Dublin Core elements: http://purl.org/dc/elements/1.1/

See Also:

• Constant Field Values

NS_XML

public static final String NS_XML

The "xml" namespace (see XMLConstants.XML_NS_URI

See Also:

• Constant Field Values

NS_XLINK

public static final String NS_XLINK

The "xlink" namespace: http://www.w3.org/1999/xlink

See Also:

• Constant Field Values

NS_XMLNS

public static final String NS_XMLNS

The "xmlns" namespace (see XMLConstants.XMLNS_ATTRIBUTE_NS_URI)

See Also:

• Constant Field Values

NS_XI

public static final String NS_XI

The "xi" namespace for XInclude: http://www.w3.org/2001/XInclude

See Also:

• Constant Field Values

NS_XILA

public static final String NS_XILA

The namespace for XInclude 1.1 local attributes: http://www.w3.org/2001/XInclude/local-attributes

See Also:

• Constant Field Values

NS_XSL

public static final String NS_XSL

The "xsl" namespace for XSLT: http://www.w3.org/1999/XSL/Transform

See Also:

• Constant Field Values

NS_PDF1

public static final String NS_PDF1

The namespace for all tags used with PDF 1.x: http://iso.org/pdf/ssn

See Also:

• Constant Field Values

NS_PDF2

public static final String NS_PDF2

The namespace for all tags used with PDF 2.x: http://iso.org/pdf2/ssn

See Also:

• Constant Field Values

Method Details

hex

public static byte[] hex(String in)

Return a byte array from the hex-encoded input

hex

public static String hex(byte[] in)

Return the byte array as a lowercase hex string

equals

public static boolean equals(Object o1,
 Object o2)

toString

public static String toString(Object o)

A toString() method that improves on the original where possible

Parameters:

o - the object to convert to a String

readFully

public static byte[] readFully(InputStream in)
                        throws IOException

Convenient method to read an InputStream fully into a byte array.

Parameters:

in - the InputStream The stream is closed on completion

Throws:

IOException

copyStream

public static void copyStream(InputStream in,
 OutputStream out)
                       throws IOException

Convenient method to copy an InputStream to an OutputStream.

Parameters:

in - the InputStream

out - the OutputStream

Throws:

IOException

createDataURL

public static URL2 createDataURL(MediaType mediaType,
 String data)

Create a "data:" URL

Parameters:

mediaType - the mediaType to specify, or null to leave this unset

data - the data to encode. The result will not be Base-64 encoded

Returns:

the data URL

createDataURL

public static URL2 createDataURL(MediaType mediaType,
 InputStream in)
                          throws IOException

Create a "data:" URL which will be Base-64 encoded.

Parameters:

mediaType - the mediaType to specify, or null to leave this unset

in - the InputStream to read the data to encode. The stream is not closed

Returns:

the data URL

Throws:

IOException

createDataURL

public static URL2 createDataURL(Blob blob)

Create a "data:" URL from the specified Blob

Parameters:

blob - the blob to convert

Returns:

the data URL

getCompressingOutputStream

public static OutputStream getCompressingOutputStream(OutputStream out,
 String type)
                                               throws IOException

Compress the supplied OutputStream

Parameters:

type - the algorithm - lz4, gzip, zstd, xz, or null for no compression

Throws:

IOException