Examples with ArtifactResourceResolver org.apache.ivy.plugins.repository.ArtifactResourceResolver used on opensource projects

Example 1 with ArtifactResourceResolver

use of org.apache.ivy.plugins.repository.ArtifactResourceResolver in project ant-ivy by apache.

the class DefaultRepositoryCacheManager method cacheModuleDescriptor.

public ResolvedModuleRevision cacheModuleDescriptor(DependencyResolver resolver, final ResolvedResource mdRef, DependencyDescriptor dd, Artifact moduleArtifact, ResourceDownloader downloader, CacheMetadataOptions options) throws ParseException {
    Date cachedPublicationDate = null;
    ArtifactDownloadReport report;
    ModuleRevisionId mrid = moduleArtifact.getModuleRevisionId();
    if (!lockMetadataArtifact(mrid)) {
        Message.error("impossible to acquire lock for " + mrid);
        return null;
    }
    BackupResourceDownloader backupDownloader = new BackupResourceDownloader(downloader);
    try {
        if (!moduleArtifact.isMetadata()) {
            // just make sure the old artifacts are deleted...
            if (isChanging(dd, mrid, options)) {
                long repoLastModified = mdRef.getLastModified();
                Artifact transformedArtifact = NameSpaceHelper.transform(moduleArtifact, options.getNamespace().getToSystemTransformer());
                ArtifactOrigin origin = getSavedArtifactOrigin(transformedArtifact);
                File artFile = getArchiveFileInCache(transformedArtifact, origin, false);
                if (artFile.exists() && repoLastModified > artFile.lastModified()) {
                    // artifacts have changed, they should be downloaded again
                    Message.verbose(mrid + " has changed: deleting old artifacts");
                    Message.debug("deleting " + artFile);
                    if (!artFile.delete()) {
                        Message.error("Couldn't delete outdated artifact from cache: " + artFile);
                        return null;
                    }
                    removeSavedArtifactOrigin(transformedArtifact);
                }
            }
            return null;
        }
        // now let's see if we can find it in cache and if it is up to date
        ResolvedModuleRevision rmr = doFindModuleInCache(mrid, options, null);
        if (rmr != null) {
            if (rmr.getDescriptor().isDefault() && rmr.getResolver() != resolver) {
                Message.verbose("\t" + getName() + ": found revision in cache: " + mrid + " (resolved by " + rmr.getResolver().getName() + "): but it's a default one, maybe we can find a better one");
            } else {
                if (!isCheckmodified(dd, mrid, options) && !isChanging(dd, mrid, options)) {
                    Message.verbose("\t" + getName() + ": revision in cache: " + mrid);
                    rmr.getReport().setSearched(true);
                    return rmr;
                }
                long repLastModified = mdRef.getLastModified();
                long cacheLastModified = rmr.getDescriptor().getLastModified();
                if (!rmr.getDescriptor().isDefault() && repLastModified <= cacheLastModified) {
                    Message.verbose("\t" + getName() + ": revision in cache (not updated): " + mrid);
                    rmr.getReport().setSearched(true);
                    return rmr;
                }
                Message.verbose("\t" + getName() + ": revision in cache is not up to date: " + mrid);
                if (isChanging(dd, mrid, options)) {
                    // ivy file has been updated, we should see if it has a new publication
                    // date to see if a new download is required (in case the dependency is
                    // a changing one)
                    cachedPublicationDate = rmr.getDescriptor().getResolvedPublicationDate();
                }
            }
        }
        Artifact originalMetadataArtifact = getOriginalMetadataArtifact(moduleArtifact);
        // now download module descriptor and parse it
        report = download(originalMetadataArtifact, new ArtifactResourceResolver() {

            public ResolvedResource resolve(Artifact artifact) {
                return mdRef;
            }
        }, backupDownloader, new CacheDownloadOptions().setListener(options.getListener()).setForce(true));
        Message.verbose("\t" + report);
        if (report.getDownloadStatus() == DownloadStatus.FAILED) {
            Message.warn("problem while downloading module descriptor: " + mdRef.getResource() + ": " + report.getDownloadDetails() + " (" + report.getDownloadTimeMillis() + "ms)");
            return null;
        }
        try {
            ModuleDescriptorParser parser = ModuleDescriptorParserRegistry.getInstance().getParser(mdRef.getResource());
            ParserSettings parserSettings = settings;
            if (resolver instanceof AbstractResolver) {
                parserSettings = ((AbstractResolver) resolver).getParserSettings();
            }
            ModuleDescriptor md = getStaledMd(parser, options, report.getLocalFile(), parserSettings);
            if (md == null) {
                throw new IllegalStateException("module descriptor parser returned a null module descriptor, which is not allowed. parser=" + parser + "; parser class=" + parser.getClass().getName() + "; module descriptor resource=" + mdRef.getResource());
            }
            Message.debug("\t" + getName() + ": parsed downloaded md file for " + mrid + "; parsed=" + md.getModuleRevisionId());
            // check if we should delete old artifacts
            boolean deleteOldArtifacts = false;
            if (cachedPublicationDate != null && !cachedPublicationDate.equals(md.getResolvedPublicationDate())) {
                // artifacts have changed, they should be downloaded again
                Message.verbose(mrid + " has changed: deleting old artifacts");
                deleteOldArtifacts = true;
            }
            if (deleteOldArtifacts) {
                for (String conf : md.getConfigurationsNames()) {
                    for (Artifact art : md.getArtifacts(conf)) {
                        Artifact transformedArtifact = NameSpaceHelper.transform(art, options.getNamespace().getToSystemTransformer());
                        ArtifactOrigin origin = getSavedArtifactOrigin(transformedArtifact);
                        File artFile = getArchiveFileInCache(transformedArtifact, origin, false);
                        if (artFile.exists()) {
                            Message.debug("deleting " + artFile);
                            if (!artFile.delete()) {
                                // Old artifacts couldn't get deleted!
                                // Restore the original ivy file so the next time we
                                // resolve the old artifacts are deleted again
                                backupDownloader.restore();
                                Message.error("Couldn't delete outdated artifact from cache: " + artFile);
                                return null;
                            }
                        }
                        removeSavedArtifactOrigin(transformedArtifact);
                    }
                }
            } else if (isChanging(dd, mrid, options)) {
                Message.verbose(mrid + " is changing, but has not changed: will trust cached artifacts if any");
            }
            MetadataArtifactDownloadReport madr = new MetadataArtifactDownloadReport(md.getMetadataArtifact());
            madr.setSearched(true);
            madr.setDownloadStatus(report.getDownloadStatus());
            madr.setDownloadDetails(report.getDownloadDetails());
            madr.setArtifactOrigin(report.getArtifactOrigin());
            madr.setDownloadTimeMillis(report.getDownloadTimeMillis());
            madr.setOriginalLocalFile(report.getLocalFile());
            madr.setSize(report.getSize());
            Artifact transformedMetadataArtifact = NameSpaceHelper.transform(md.getMetadataArtifact(), options.getNamespace().getToSystemTransformer());
            saveArtifactOrigin(transformedMetadataArtifact, report.getArtifactOrigin());
            return new ResolvedModuleRevision(resolver, resolver, md, madr);
        } catch (IOException ex) {
            Message.warn("io problem while parsing ivy file: " + mdRef.getResource(), ex);
            return null;
        }
    } finally {
        unlockMetadataArtifact(mrid);
        backupDownloader.cleanUp();
    }
}