Examples with ICapabilityAdvice org.eclipse.equinox.p2.publisher.actions.ICapabilityAdvice used on opensource projects

Example 1 with ICapabilityAdvice

use of org.eclipse.equinox.p2.publisher.actions.ICapabilityAdvice in project tycho by eclipse.

the class BundleDependenciesAction method createAdviceFileAdvice.

@Override
protected void createAdviceFileAdvice(BundleDescription bundleDescription, IPublisherInfo publisherInfo) {
    String location = bundleDescription.getLocation();
    if (location == null)
        return;
    File adviceFile = new File(location, AdviceFileAdvice.BUNDLE_ADVICE_FILE.toString());
    if (!adviceFile.canRead()) {
        return;
    }
    Map<String, String> advice = new LinkedHashMap<>();
    try {
        InputStream is = new BufferedInputStream(new FileInputStream(adviceFile));
        try {
            Properties props = new Properties();
            props.load(is);
            for (Map.Entry<Object, Object> p : props.entrySet()) {
                advice.put((String) p.getKey(), (String) p.getValue());
            }
        } finally {
            try {
                is.close();
            } catch (IOException secondary) {
            // secondary exception
            }
        }
    } catch (IOException e) {
        // TODO log
        return;
    }
    final String symbolicName = bundleDescription.getSymbolicName();
    final Version bundleVersion = PublisherHelper.fromOSGiVersion(bundleDescription.getVersion());
    AdviceFileParser parser = new AdviceFileParser(symbolicName, bundleVersion, advice) {

        @Override
        protected IRequirement createRequirement(String namespace, String name, VersionRange range, String filter, boolean optional, boolean multiple, boolean greedy) {
            if (optionalAction == OptionalResolutionAction.OPTIONAL) {
                return super.createRequirement(namespace, name, range, filter, optional, multiple, greedy);
            }
            return BundleDependenciesAction.this.createRequirement(namespace, name, range, filter, optional, multiple, greedy);
        }
    };
    try {
        parser.parse();
    } catch (Exception e) {
        // TODO log
        return;
    }
    final IProvidedCapability[] provided = parser.getProvidedCapabilities();
    final IRequirement[] required = parser.getRequiredCapabilities();
    if (provided == null && required == null) {
        return;
    }
    publisherInfo.addAdvice(new ICapabilityAdvice() {

        @Override
        public boolean isApplicable(String configSpec, boolean includeDefault, String id, Version version) {
            return symbolicName.equals(id) && bundleVersion.equals(version);
        }

        @Override
        public IRequirement[] getRequiredCapabilities(InstallableUnitDescription iu) {
            return required;
        }

        @Override
        public IProvidedCapability[] getProvidedCapabilities(InstallableUnitDescription iu) {
            return provided;
        }

        @Override
        public IRequirement[] getMetaRequiredCapabilities(InstallableUnitDescription iu) {
            return null;
        }
    });
}