Examples with TychoProject org.eclipse.tycho.core.TychoProject used on opensource projects

Example 6 with TychoProject

use of org.eclipse.tycho.core.TychoProject in project tycho by eclipse.

the class BuildQualifierAggregatorMojo method getBuildTimestamp.

@Override
protected Date getBuildTimestamp() throws MojoExecutionException {
    Date timestamp = super.getBuildTimestamp();
    if (timestampProvider == null) {
        // no included bundle/feature can have more recent timestamp
        return timestamp;
    }
    final Date[] latestTimestamp = new Date[] { timestamp };
    TychoProject projectType = projectTypes.get(project.getPackaging());
    if (projectType == null) {
        throw new IllegalStateException("Unknown or unsupported packaging type " + packaging);
    }
    final ReactorProject thisProject = DefaultReactorProject.adapt(project);
    projectType.getDependencyWalker(project).walk(new ArtifactDependencyVisitor() {

        @Override
        public boolean visitFeature(FeatureDescription feature) {
            if (feature.getFeatureRef() == null || thisProject.equals(feature.getMavenProject())) {
                // visit immediately included features
                return true;
            }
            visitArtifact(feature);
            // do not visit indirectly included features/bundles
            return false;
        }

        @Override
        public void visitPlugin(PluginDescription plugin) {
            if (plugin.getPluginRef() == null || thisProject.equals(plugin.getMavenProject())) {
                // 'this' bundle
                return;
            }
            visitArtifact(plugin);
        }

        private void visitArtifact(ArtifactDescriptor artifact) {
            ReactorProject otherProject = artifact.getMavenProject();
            String otherVersion = (otherProject != null) ? otherProject.getExpandedVersion() : artifact.getKey().getVersion();
            Version v = Version.parseVersion(otherVersion);
            String otherQualifier = v.getQualifier();
            if (otherQualifier != null) {
                Date timestamp = parseQualifier(otherQualifier);
                if (timestamp != null) {
                    if (latestTimestamp[0].compareTo(timestamp) < 0) {
                        if (getLog().isDebugEnabled()) {
                            getLog().debug("Found '" + format.format(timestamp) + "' from qualifier '" + otherQualifier + "' for artifact " + artifact);
                        }
                        latestTimestamp[0] = timestamp;
                    }
                } else {
                    getLog().debug("Could not parse qualifier timestamp " + otherQualifier);
                }
            }
        }

        private Date parseQualifier(String qualifier) {
            Date timestamp = parseQualifier(qualifier, format);
            if (timestamp != null) {
                return timestamp;
            }
            return discoverTimestamp(qualifier);
        }

        private Date parseQualifier(String qualifier, SimpleDateFormat format) {
            ParsePosition pos = new ParsePosition(0);
            Date timestamp = format.parse(qualifier, pos);
            if (timestamp != null && pos.getIndex() == qualifier.length()) {
                return timestamp;
            }
            return null;
        }

        private Date discoverTimestamp(String qualifier) {
            return timestampFinder.findInString(qualifier);
        }
    });
    return latestTimestamp[0];
}