mirror of
https://github.com/DSpace/DSpace.git
synced 2025-10-07 01:54:22 +00:00
Slightly refactored code again -- callers don't need METS.jar
git-svn-id: http://scm.dspace.org/svn/repo/trunk@931 9c30dcfa-912a-0410-8fc2-9e0234be79fd
This commit is contained in:
Robert Tansley
@@ -52,6 +52,7 @@ import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileOutputStream;
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import java.io.InputStream;
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import java.io.OutputStream;
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import java.io.IOException;
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import java.net.URLEncoder;
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import java.sql.SQLException;
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@@ -244,12 +245,10 @@ public class METSExport
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throw new IOException("Couldn't create " + aipDir.toString());
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}
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Mets mets = createMETS(context, item);
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// Write the METS file
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FileOutputStream out = new FileOutputStream(
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aipDir.toString() + java.io.File.separator + "mets.xml");
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mets.write(new MetsWriter(out));
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writeMETS(context, item, out);
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out.close();
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// Write bitstreams
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@@ -274,181 +273,192 @@ public class METSExport
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}
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}
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/**
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*
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* Write METS metadata corresponding to the metadata for an item
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*
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* @param context DSpace context
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* @param item DSpace item to create METS object for
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* @return METS object for DSpace item
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*/
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public static Mets createMETS(Context context, Item item)
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throws SQLException, IOException, AuthorizeException, MetsException
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public static void writeMETS(Context context, Item item, OutputStream os)
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throws SQLException, IOException, AuthorizeException
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{
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init(context);
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// Create the METS file
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Mets mets = new Mets();
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// Top-level stuff
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mets.setOBJID("hdl:" + item.getHandle());
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mets.setLABEL("DSpace Item");
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mets.setSchema("mods", "http://www.loc.gov/mods/v3",
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"http://www.loc.gov/standards/mods/v3/mods-3-0.xsd");
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// MetsHdr
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MetsHdr metsHdr = new MetsHdr();
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metsHdr.setCREATEDATE(new Date()); // FIXME: CREATEDATE is now: maybe should be item create date?
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// Agent
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Agent agent = new Agent();
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agent.setROLE(Role.CUSTODIAN);
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agent.setTYPE(Type.ORGANIZATION);
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Name name = new Name();
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name.getContent().add(new PCData(ConfigurationManager.getProperty("dspace.name")));
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agent.getContent().add(name);
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metsHdr.getContent().add(agent);
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mets.getContent().add(metsHdr);
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DmdSec dmdSec = new DmdSec();
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dmdSec.setID("DMD_hdl_" + item.getHandle());
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MdWrap mdWrap = new MdWrap();
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mdWrap.setMDTYPE(Mdtype.MODS);
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XmlData xmlData = new XmlData();
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createMODS(item, xmlData);
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mdWrap.getContent().add(xmlData);
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dmdSec.getContent().add(mdWrap);
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mets.getContent().add(dmdSec);
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// amdSec
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AmdSec amdSec = new AmdSec();
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amdSec.setID("TMD_hdl_" + item.getHandle());
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// FIXME: techMD here
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// License as <rightsMD><mdWrap><binData>base64encoded</binData>...
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InputStream licenseStream = findLicense(context, item);
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if (licenseStream != null)
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try
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{
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RightsMD rightsMD = new RightsMD();
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MdWrap rightsMDWrap = new MdWrap();
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rightsMDWrap.setMIMETYPE("text/plain");
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rightsMDWrap.setMDTYPE(Mdtype.OTHER);
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rightsMDWrap.setOTHERMDTYPE("TEXT");
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init(context);
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BinData binData = new BinData();
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Base64 base64 = new Base64(licenseStream);
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// Create the METS file
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Mets mets = new Mets();
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// Top-level stuff
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mets.setOBJID("hdl:" + item.getHandle());
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mets.setLABEL("DSpace Item");
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mets.setSchema("mods", "http://www.loc.gov/mods/v3",
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"http://www.loc.gov/standards/mods/v3/mods-3-0.xsd");
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// MetsHdr
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MetsHdr metsHdr = new MetsHdr();
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metsHdr.setCREATEDATE(new Date()); // FIXME: CREATEDATE is now: maybe should be item create date?
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// Agent
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Agent agent = new Agent();
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agent.setROLE(Role.CUSTODIAN);
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agent.setTYPE(Type.ORGANIZATION);
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Name name = new Name();
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name.getContent().add(new PCData(ConfigurationManager.getProperty("dspace.name")));
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agent.getContent().add(name);
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binData.getContent().add(base64);
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rightsMDWrap.getContent().add(binData);
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rightsMD.getContent().add(rightsMDWrap);
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amdSec.getContent().add(rightsMD);
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}
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metsHdr.getContent().add(agent);
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// FIXME: History data???? Nooooo!!!!
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mets.getContent().add(amdSec);
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// fileSec
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FileSec fileSec = new FileSec();
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Bundle[] bundles = item.getBundles();
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for (int i = 0; i < bundles.length; i++)
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{
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Bitstream[] bitstreams = bundles[i].getBitstreams();
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mets.getContent().add(metsHdr);
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// First: we skip the license bundle, since it's included elsewhere
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if (bitstreams[0].getFormat().getID() == licenseFormat)
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continue;
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DmdSec dmdSec = new DmdSec();
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dmdSec.setID("DMD_hdl_" + item.getHandle());
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// Create a fileGrp
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FileGrp fileGrp = new FileGrp();
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// Bundle name for USE attribute
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if (bundles[i].getName() != null && !bundles[i].getName().equals(""))
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MdWrap mdWrap = new MdWrap();
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mdWrap.setMDTYPE(Mdtype.MODS);
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XmlData xmlData = new XmlData();
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createMODS(item, xmlData);
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mdWrap.getContent().add(xmlData);
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dmdSec.getContent().add(mdWrap);
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mets.getContent().add(dmdSec);
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// amdSec
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AmdSec amdSec = new AmdSec();
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amdSec.setID("TMD_hdl_" + item.getHandle());
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// FIXME: techMD here
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// License as <rightsMD><mdWrap><binData>base64encoded</binData>...
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InputStream licenseStream = findLicense(context, item);
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if (licenseStream != null)
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{
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fileGrp.setUSE(bundles[i].getName());
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RightsMD rightsMD = new RightsMD();
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MdWrap rightsMDWrap = new MdWrap();
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rightsMDWrap.setMIMETYPE("text/plain");
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rightsMDWrap.setMDTYPE(Mdtype.OTHER);
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rightsMDWrap.setOTHERMDTYPE("TEXT");
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BinData binData = new BinData();
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Base64 base64 = new Base64(licenseStream);
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binData.getContent().add(base64);
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rightsMDWrap.getContent().add(binData);
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rightsMD.getContent().add(rightsMDWrap);
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amdSec.getContent().add(rightsMD);
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}
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// FIXME: History data???? Nooooo!!!!
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for (int bits = 0; bits < bitstreams.length; bits++)
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mets.getContent().add(amdSec);
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// fileSec
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FileSec fileSec = new FileSec();
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Bundle[] bundles = item.getBundles();
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for (int i = 0; i < bundles.length; i++)
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{
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// What's the persistent(-ish) ID?
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String bitstreamPID = ConfigurationManager.getProperty("dspace.url") +
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"/bitstream/" + item.getHandle() + "/" +
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bitstreams[bits].getSequenceID() + "/" +
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URLEncoder.encode(bitstreams[bits].getName(), "UTF-8");
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Bitstream[] bitstreams = bundles[i].getBitstreams();
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edu.harvard.hul.ois.mets.File file =
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new edu.harvard.hul.ois.mets.File();
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// First: we skip the license bundle, since it's included elsewhere
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if (bitstreams[0].getFormat().getID() == licenseFormat)
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continue;
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/* ID: we use the unique part of the persistent ID, i.e. the
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* Handle + sequence number, but with _'s instead of /'s
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* so it's a legal xsd:ID. */
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String xmlIDstart = item.getHandle().replaceAll("/", "_") + "_";
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file.setID(xmlIDstart + bitstreams[bits].getSequenceID());
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String groupID = "GROUP_" + xmlIDstart +
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bitstreams[bits].getSequenceID();
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/* If we're in THUMBNAIL or TEXT bundles, the bitstream is
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* extracted text or a thumbnail, so we use the name to work
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* out which bitstream to be in the same group as
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*/
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if (bundles[i].getName() != null &&
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(bundles[i].getName().equals("THUMBNAIL")
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|| bundles[i].getName().equals("TEXT")))
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// Create a fileGrp
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FileGrp fileGrp = new FileGrp();
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// Bundle name for USE attribute
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if (bundles[i].getName() != null && !bundles[i].getName().equals(""))
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{
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// Try and find the original bitstream, and chuck the derived
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// bitstream in the same group
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Bitstream original = findOriginalBitstream(item,
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bitstreams[bits]);
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if (original != null)
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{
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groupID = "GROUP_" + xmlIDstart +
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original.getSequenceID();
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}
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fileGrp.setUSE(bundles[i].getName());
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}
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file.setGROUPID(groupID);
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file.setOWNERID(bitstreamPID);
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// FIXME: ADMID should point to appropriate TechMD section above
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file.setMIMETYPE(bitstreams[bits].getFormat().getMIMEType());
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// FIXME: CREATED: no date
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file.setSIZE(bitstreams[bits].getSize());
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file.setCHECKSUM(bitstreams[bits].getChecksum());
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file.setCHECKSUMTYPE(Checksumtype.MD5);
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for (int bits = 0; bits < bitstreams.length; bits++)
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{
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// What's the persistent(-ish) ID?
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String bitstreamPID = ConfigurationManager.getProperty("dspace.url") +
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"/bitstream/" + item.getHandle() + "/" +
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bitstreams[bits].getSequenceID() + "/" +
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URLEncoder.encode(bitstreams[bits].getName(), "UTF-8");
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edu.harvard.hul.ois.mets.File file =
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new edu.harvard.hul.ois.mets.File();
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/* ID: we use the unique part of the persistent ID, i.e. the
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* Handle + sequence number, but with _'s instead of /'s
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* so it's a legal xsd:ID. */
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String xmlIDstart = item.getHandle().replaceAll("/", "_") + "_";
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file.setID(xmlIDstart + bitstreams[bits].getSequenceID());
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String groupID = "GROUP_" + xmlIDstart +
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bitstreams[bits].getSequenceID();
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/* If we're in THUMBNAIL or TEXT bundles, the bitstream is
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* extracted text or a thumbnail, so we use the name to work
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* out which bitstream to be in the same group as
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*/
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if (bundles[i].getName() != null &&
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(bundles[i].getName().equals("THUMBNAIL")
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|| bundles[i].getName().equals("TEXT")))
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{
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// Try and find the original bitstream, and chuck the derived
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// bitstream in the same group
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Bitstream original = findOriginalBitstream(item,
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bitstreams[bits]);
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if (original != null)
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{
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groupID = "GROUP_" + xmlIDstart +
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original.getSequenceID();
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}
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}
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file.setGROUPID(groupID);
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file.setOWNERID(bitstreamPID);
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// FIXME: ADMID should point to appropriate TechMD section above
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file.setMIMETYPE(bitstreams[bits].getFormat().getMIMEType());
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// FIXME: CREATED: no date
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file.setSIZE(bitstreams[bits].getSize());
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file.setCHECKSUM(bitstreams[bits].getChecksum());
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file.setCHECKSUMTYPE(Checksumtype.MD5);
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// FLocat: filename is MD5 checksum
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FLocat flocat = new FLocat();
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flocat.setLOCTYPE(Loctype.URL);
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flocat.setXlinkHref(bitstreams[bits].getChecksum());
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// Add FLocat to File, and File to FileGrp
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file.getContent().add(flocat);
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fileGrp.getContent().add(file);
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}
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// FLocat: filename is MD5 checksum
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FLocat flocat = new FLocat();
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flocat.setLOCTYPE(Loctype.URL);
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flocat.setXlinkHref(bitstreams[bits].getChecksum());
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// Add FLocat to File, and File to FileGrp
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file.getContent().add(flocat);
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fileGrp.getContent().add(file);
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// Add fileGrp to fileSec
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fileSec.getContent().add(fileGrp);
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}
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// Add fileGrp to fileSec
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fileSec.getContent().add(fileGrp);
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// Add fileSec to document
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mets.getContent().add(fileSec);
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// FIXME: Structmap
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mets.validate(new MetsValidator());
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mets.write(new MetsWriter(os));
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}
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catch (MetsException e)
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{
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// We don't pass up a MetsException, so callers don't need to
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// know the details of the METS toolkit
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e.printStackTrace();
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throw new IOException (e.getMessage());
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}
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// Add fileSec to document
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mets.getContent().add(fileSec);
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// FIXME: Structmap
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mets.validate(new MetsValidator());
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return mets;
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}
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