Ruby
Ruby
Extract XMP MetaData as XML
See more XMP Examples
Demonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.Chilkat Ruby Downloads
require 'chilkat'
success = false
# This requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.
xmp = Chilkat::CkXmp.new()
# Load a JPG or TIF image file.
# Sample JPG's with XMP metadata may be found at:
# https://www.chilkatsoft.com/testData/xmp/sample1.jpg
# https://www.chilkatsoft.com/testData/xmp/sample2.jpg
# https://www.chilkatsoft.com/testData/xmp/sample3.jpg
success = xmp.LoadAppFile("qa_data/xmp/sample1.jpg")
if (success != true)
print xmp.lastErrorText() + "\n";
exit
end
print "Num embedded XMP docs: " + xmp.get_NumEmbedded().to_s() + "\n";
# Assuming there is at least one, get the 1st.
# (There is typically never more than one, but theoretically it's possible.)
# xml is a CkXml
xml = xmp.GetEmbedded(0)
if (xmp.get_LastMethodSuccess() == false)
print "No XMP metadata found." + "\n";
exit
end
print xml.getXml() + "\n";
# Sample output:
# <?xml version="1.0" encoding="utf-8"?>
# <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP toolkit 3.0-28, framework 1.6">
# <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:iX="http://ns.adobe.com/iX/1.0/">
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xmpPLUS="XMP Photographic Licensing Universal System (xmpPLUS, http://ns.adobe.com/xap/1.0/PLUS/)">
# <xmpPLUS:CreditLineReq>False</xmpPLUS:CreditLineReq>
# <xmpPLUS:ReuseAllowed>False</xmpPLUS:ReuseAllowed>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:Iptc4xmpCore="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/">
# <Iptc4xmpCore:IntellectualGenre>Profile</Iptc4xmpCore:IntellectualGenre>
# <Iptc4xmpCore:Location>Lake Superior</Iptc4xmpCore:Location>
# <Iptc4xmpCore:CountryCode>US</Iptc4xmpCore:CountryCode>
# <Iptc4xmpCore:CreatorContactInfo rdf:parseType="Resource">
# <Iptc4xmpCore:CiAdrExtadr>John Doe Photography, 123 Maple Lane</Iptc4xmpCore:CiAdrExtadr>
# <Iptc4xmpCore:CiAdrCity>Champaign</Iptc4xmpCore:CiAdrCity>
# <Iptc4xmpCore:CiAdrRegion>Illinois</Iptc4xmpCore:CiAdrRegion>
# <Iptc4xmpCore:CiAdrPcode>61820</Iptc4xmpCore:CiAdrPcode>
# <Iptc4xmpCore:CiAdrCtry>USA</Iptc4xmpCore:CiAdrCtry>
# <Iptc4xmpCore:CiTelWork>+1 (217) 1234567</Iptc4xmpCore:CiTelWork>
# <Iptc4xmpCore:CiEmailWork>john@doe.com</Iptc4xmpCore:CiEmailWork>
# <Iptc4xmpCore:CiUrlWork>www.doe.com</Iptc4xmpCore:CiUrlWork>
# </Iptc4xmpCore:CreatorContactInfo>
# <Iptc4xmpCore:SubjectCode>
# <rdf:Bag>
# <rdf:li>14024001</rdf:li>
# </rdf:Bag>
# </Iptc4xmpCore:SubjectCode>
# <Iptc4xmpCore:Scene>
# <rdf:Bag>
# <rdf:li>012300</rdf:li>
# </rdf:Bag>
# </Iptc4xmpCore:Scene>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:exif="http://ns.adobe.com/exif/1.0/">
# <exif:ColorSpace>1</exif:ColorSpace>
# <exif:PixelXDimension>288</exif:PixelXDimension>
# <exif:PixelYDimension>432</exif:PixelYDimension>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:pdf="http://ns.adobe.com/pdf/1.3/"/>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/">
# <photoshop:AuthorsPosition>Photographer</photoshop:AuthorsPosition>
# <photoshop:Headline>Young boy yelling</photoshop:Headline>
# <photoshop:CaptionWriter>John Doe</photoshop:CaptionWriter>
# <photoshop:DateCreated>2004-08-19</photoshop:DateCreated>
# <photoshop:City>Marquette</photoshop:City>
# <photoshop:State>Michigan</photoshop:State>
# <photoshop:Country>United States</photoshop:Country>
# <photoshop:TransmissionReference>PO 34567</photoshop:TransmissionReference>
# <photoshop:Instructions>Original RAW capture Nikon D2X, Adobe RGB 1998.</photoshop:Instructions>
# <photoshop:Credit>John Doe Photography</photoshop:Credit>
# <photoshop:Source>John Doe Photography</photoshop:Source>
# <photoshop:History/>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:tiff="http://ns.adobe.com/tiff/1.0/">
# <tiff:XResolution>72/1</tiff:XResolution>
# <tiff:YResolution>72/1</tiff:YResolution>
# <tiff:ResolutionUnit>2</tiff:ResolutionUnit>
# <tiff:Orientation>1</tiff:Orientation>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xap="http://ns.adobe.com/xap/1.0/">
# <xap:CreateDate>2005-03-13T02:02:29-06:00</xap:CreateDate>
# <xap:ModifyDate>2005-03-13T02:02:29-06:00</xap:ModifyDate>
# <xap:MetadataDate>2005-03-13T02:02:29-06:00</xap:MetadataDate>
# <xap:CreatorTool>Adobe Photoshop CS Windows</xap:CreatorTool>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:stRef="http://ns.adobe.com/xap/1.0/sType/ResourceRef#" xmlns:xapMM="http://ns.adobe.com/xap/1.0/mm/">
# <xapMM:DerivedFrom rdf:parseType="Resource">
# <stRef:instanceID>uuid:f5b64171-9394-11d9-bb8e-a67e6693b6e9</stRef:instanceID>
# <stRef:documentID>adobe:docid:photoshop:e4d002a4-9392-11d9-bb8e-a67e6693b6e9</stRef:documentID>
# </xapMM:DerivedFrom>
# <xapMM:DocumentID>adobe:docid:photoshop:0f410647-9396-11d9-bb8e-a67e6693b6e9</xapMM:DocumentID>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xapRights="http://ns.adobe.com/xap/1.0/rights/">
# <xapRights:Marked>True</xapRights:Marked>
# <xapRights:WebStatement>http://www.doe.com</xapRights:WebStatement>
# <xapRights:RightsUsageTerms>
# <rdf:Alt>
# <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
# </rdf:Alt>
# </xapRights:RightsUsageTerms>
# <xapRights:UsageTerms>
# <rdf:Alt>
# <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li>
# </rdf:Alt>
# </xapRights:UsageTerms>
# </rdf:Description>
# <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:dc="http://purl.org/dc/elements/1.1/">
# <dc:format>image/jpeg</dc:format>
# <dc:description>
# <rdf:Alt>
# <rdf:li xml:lang="x-default">Three year old African American boy yells with joy on beach during vacation.</rdf:li>
# </rdf:Alt>
# </dc:description>
# <dc:title>
# <rdf:Alt>
# <rdf:li xml:lang="x-default">20040819_pe_014578d.nef</rdf:li>
# </rdf:Alt>
# </dc:title>
# <dc:rights>
# <rdf:Alt>
# <rdf:li xml:lang="x-default">�2004 John Doe, all rights reserved</rdf:li>
# </rdf:Alt>
# </dc:rights>
# <dc:creator>
# <rdf:Seq>
# <rdf:li>John Doe</rdf:li>
# </rdf:Seq>
# </dc:creator>
# <dc:subject>
# <rdf:Bag>
# <rdf:li>boy</rdf:li>
# <rdf:li>gender</rdf:li>
# <rdf:li>human beings</rdf:li>
# <rdf:li>humans</rdf:li>
# <rdf:li>lad</rdf:li>
# <rdf:li>male</rdf:li>
# <rdf:li>people</rdf:li>
# <rdf:li>3-12 years old</rdf:li>
# <rdf:li>age</rdf:li>
# <rdf:li>child</rdf:li>
# <rdf:li>youth</rdf:li>
# <rdf:li>african american</rdf:li>
# <rdf:li>african-american</rdf:li>
# <rdf:li>black</rdf:li>
# <rdf:li>ethnic</rdf:li>
# <rdf:li>ethnicity</rdf:li>
# <rdf:li>people of color</rdf:li>
# <rdf:li>race</rdf:li>
# <rdf:li>beach</rdf:li>
# <rdf:li>nature</rdf:li>
# <rdf:li>scenery</rdf:li>
# <rdf:li>emotion</rdf:li>
# <rdf:li>emotional</rdf:li>
# <rdf:li>emotions</rdf:li>
# <rdf:li>happiness</rdf:li>
# <rdf:li>happy</rdf:li>
# <rdf:li>joy</rdf:li>
# <rdf:li>joyful</rdf:li>
# <rdf:li>joyous</rdf:li>
# </rdf:Bag>
# </dc:subject>
# </rdf:Description>
# </rdf:RDF>
# </x:xmpmeta>
# You can generate parsing code using Chilkat's online tool :
# Generate Parsing Code from XML
x_xmpmeta_xmlns_x = xml.getAttrValue("xmlns:x")
x_xmpmeta_x_xmptk = xml.getAttrValue("x:xmptk")
rdf_RDF_xmlns_rdf = xml.chilkatPath("rdf:RDF|(xmlns:rdf)")
rdf_RDF_xmlns_iX = xml.chilkatPath("rdf:RDF|(xmlns:iX)")
i = 0
count_i = xml.NumChildrenHavingTag("rdf:RDF|rdf:Description")
while i < count_i
xml.put_I(i)
rdf_Description_rdf_about = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(rdf:about)")
rdf_Description_xmlns_xmpPLUS = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xmpPLUS)")
rdf_Description_xmlns_Iptc4xmpCore = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:Iptc4xmpCore)")
rdf_Description_xmlns_exif = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:exif)")
rdf_Description_xmlns_pdf = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:pdf)")
rdf_Description_xmlns_photoshop = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:photoshop)")
rdf_Description_xmlns_tiff = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:tiff)")
rdf_Description_xmlns_xap = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xap)")
rdf_Description_xmlns_stRef = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:stRef)")
rdf_Description_xmlns_xapMM = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapMM)")
rdf_Description_xmlns_xapRights = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapRights)")
rdf_Description_xmlns_dc = xml.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:dc)")
xmpPLUS_CreditLineReq = xml.getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:CreditLineReq")
xmpPLUS_ReuseAllowed = xml.getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:ReuseAllowed")
Iptc4xmpCore_IntellectualGenre = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:IntellectualGenre")
Iptc4xmpCore_Location = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Location")
Iptc4xmpCore_CountryCode = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CountryCode")
Iptc4xmpCore_CreatorContactInfo_rdf_parseType = xml.chilkatPath("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|(rdf:parseType)")
Iptc4xmpCore_CiAdrExtadr = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrExtadr")
Iptc4xmpCore_CiAdrCity = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCity")
Iptc4xmpCore_CiAdrRegion = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrRegion")
Iptc4xmpCore_CiAdrPcode = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrPcode")
Iptc4xmpCore_CiAdrCtry = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCtry")
Iptc4xmpCore_CiTelWork = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiTelWork")
Iptc4xmpCore_CiEmailWork = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiEmailWork")
Iptc4xmpCore_CiUrlWork = xml.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiUrlWork")
rdf_li = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:SubjectCode|rdf:Bag|rdf:li")
rdf_li = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Scene|rdf:Bag|rdf:li")
exif_ColorSpace = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:ColorSpace")
exif_PixelXDimension = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelXDimension")
exif_PixelYDimension = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelYDimension")
photoshop_AuthorsPosition = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:AuthorsPosition")
photoshop_Headline = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Headline")
photoshop_CaptionWriter = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:CaptionWriter")
photoshop_DateCreated = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:DateCreated")
photoshop_City = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:City")
photoshop_State = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:State")
photoshop_Country = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Country")
photoshop_TransmissionReference = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:TransmissionReference")
photoshop_Instructions = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Instructions")
photoshop_Credit = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Credit")
photoshop_Source = xml.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Source")
tiff_XResolution = xml.getChildContent("rdf:RDF|rdf:Description[i]|tiff:XResolution")
tiff_YResolution = xml.getChildContent("rdf:RDF|rdf:Description[i]|tiff:YResolution")
tiff_ResolutionUnit = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|tiff:ResolutionUnit")
tiff_Orientation = xml.GetChildIntValue("rdf:RDF|rdf:Description[i]|tiff:Orientation")
xap_CreateDate = xml.getChildContent("rdf:RDF|rdf:Description[i]|xap:CreateDate")
xap_ModifyDate = xml.getChildContent("rdf:RDF|rdf:Description[i]|xap:ModifyDate")
xap_MetadataDate = xml.getChildContent("rdf:RDF|rdf:Description[i]|xap:MetadataDate")
xap_CreatorTool = xml.getChildContent("rdf:RDF|rdf:Description[i]|xap:CreatorTool")
xapMM_DerivedFrom_rdf_parseType = xml.chilkatPath("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|(rdf:parseType)")
stRef_instanceID = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:instanceID")
stRef_documentID = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:documentID")
xapMM_DocumentID = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DocumentID")
xapRights_Marked = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:Marked")
xapRights_WebStatement = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:WebStatement")
rdf_li_xml_lang = xml.chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li|(xml:lang)")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li")
rdf_li_xml_lang = xml.chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li|(xml:lang)")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li")
dc_format = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:format")
rdf_li_xml_lang = xml.chilkatPath("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li|(xml:lang)")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li")
rdf_li_xml_lang = xml.chilkatPath("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li|(xml:lang)")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li")
rdf_li_xml_lang = xml.chilkatPath("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li|(xml:lang)")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li")
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:creator|rdf:Seq|rdf:li")
j = 0
count_j = xml.NumChildrenHavingTag("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li")
while j < count_j
xml.put_J(j)
strRdf_li = xml.getChildContent("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li[j]")
j = j + 1
end
i = i + 1
end