-package org.argeo.slc.rpmfactory.core;
-
-import static org.freecompany.redline.header.Header.HeaderTag.HEADERIMMUTABLE;
-import static org.freecompany.redline.header.Signature.SignatureTag.SIGNATURES;
-
-import java.io.InputStream;
-import java.nio.ByteBuffer;
-import java.nio.channels.Channels;
-
-import javax.jcr.Node;
-import javax.jcr.Property;
-
-import org.apache.commons.io.FilenameUtils;
-import org.argeo.slc.SlcException;
-import org.argeo.slc.jcr.SlcNames;
-import org.argeo.slc.jcr.SlcTypes;
-import org.argeo.slc.repo.NodeIndexer;
-import org.freecompany.redline.ChannelWrapper.Key;
-import org.freecompany.redline.ReadableChannelWrapper;
-import org.freecompany.redline.header.AbstractHeader;
-import org.freecompany.redline.header.Format;
-import org.freecompany.redline.header.Header;
-
-/** Indexes an RPM file. */
-public class RpmIndexer implements NodeIndexer, SlcNames {
-
- @Override
- public Boolean support(String path) {
- return FilenameUtils.getExtension(path).equals("rpm");
- }
-
- @Override
- public void index(Node node) {
- try {
- InputStream in = node.getNode(Node.JCR_CONTENT)
- .getProperty(Property.JCR_DATA).getBinary().getStream();
- ReadableChannelWrapper channel = new ReadableChannelWrapper(
- Channels.newChannel(in));
- Format format = readRpmInfo(channel);
-
- node.addMixin(SlcTypes.SLC_RPM);
- node.setProperty(SLC_NAME, readTag(format, Header.HeaderTag.NAME));
- String rpmVersion = readTag(format, Header.HeaderTag.VERSION);
- String rpmRelease = readTag(format, Header.HeaderTag.RELEASE);
- node.setProperty(SLC_RPM_VERSION, rpmVersion);
- node.setProperty(SLC_RPM_RELEASE, rpmRelease);
- node.setProperty(SLC_VERSION, rpmVersion + "-" + rpmRelease);
-
- String arch = readTag(format, Header.HeaderTag.ARCH);
- if (arch != null)
- node.setProperty(SLC_RPM_ARCH, arch);
-
- String archiveSize = readTag(format, Header.HeaderTag.ARCHIVESIZE);
- if (archiveSize != null)
- node.setProperty(SLC_RPM_ARCHIVE_SIZE,
- Long.parseLong(archiveSize));
-
- node.getSession().save();
- } catch (Exception e) {
- throw new SlcException("Cannot index " + node, e);
- }
-
- }
-
- @SuppressWarnings("unused")
- public Format readRpmInfo(ReadableChannelWrapper channel) throws Exception {
- Format format = new Format();
-
- Key<Integer> lead = channel.start();
- format.getLead().read(channel);
- // System.out.println( "Lead ended at '" + in.finish( lead) + "'.");
-
- Key<Integer> signature = channel.start();
- int count = format.getSignature().read(channel);
- int expected = ByteBuffer
- .wrap((byte[]) format.getSignature().getEntry(SIGNATURES)
- .getValues(), 8, 4).getInt()
- / -16;
- // System.out.println( "Signature ended at '" + in.finish( signature) +
- // "' and contained '" + count + "' headers (expected '" + expected +
- // "').");
-
- Key<Integer> header = channel.start();
- count = format.getHeader().read(channel);
- expected = ByteBuffer.wrap(
- (byte[]) format.getHeader().getEntry(HEADERIMMUTABLE)
- .getValues(), 8, 4).getInt()
- / -16;
- // System.out.println( "Header ended at '" + in.finish( header) +
- // " and contained '" + count + "' headers (expected '" + expected +
- // "').");
-
- return format;
- }
-
- private String readTag(Format format, Header.HeaderTag tag) {
- AbstractHeader.Entry<?> entry = format.getHeader().getEntry(tag);
- if (entry == null)
- return null;
- if (entry.getValues() == null)
- return null;
- Object[] values = (Object[]) entry.getValues();
- return values[0].toString().trim();
- }
-}