Examples with BundleConversion org.apache.aries.application.management.spi.convert.BundleConversion used on opensource projects

Example 1 with BundleConversion

use of org.apache.aries.application.management.spi.convert.BundleConversion in project aries by apache.

the class AriesApplicationManagerImpl method createApplication.

/**
 * Create an AriesApplication from a .eba file: a zip file with a '.eba' extension
 */
public AriesApplication createApplication(IDirectory ebaFile) throws ManagementException {
    ApplicationMetadata applicationMetadata = null;
    DeploymentMetadata deploymentMetadata = null;
    Map<String, BundleConversion> modifiedBundles = new HashMap<String, BundleConversion>();
    AriesApplicationImpl application = null;
    String appPath = ebaFile.toString();
    try {
        // try to read the app name out of the application.mf
        Manifest applicationManifest = parseApplicationManifest(ebaFile);
        String appName = applicationManifest.getMainAttributes().getValue(AppConstants.APPLICATION_NAME);
        // If the application name is null, we will try to get the file name.
        if (appName == null || appName.isEmpty()) {
            String fullPath = appPath;
            if (fullPath.endsWith("/")) {
                fullPath = fullPath.substring(0, fullPath.length() - 1);
            }
            int last_slash = fullPath.lastIndexOf("/");
            appName = fullPath.substring(last_slash + 1, fullPath.length());
        }
        IFile deploymentManifest = ebaFile.getFile(AppConstants.DEPLOYMENT_MF);
        /* We require that all other .jar and .war files included by-value be valid bundles
       * because a DEPLOYMENT.MF has been provided. If no DEPLOYMENT.MF, migrate 
       * wars to wabs, plain jars to bundles
       */
        Set<BundleInfo> extraBundlesInfo = new HashSet<BundleInfo>();
        for (IFile f : ebaFile) {
            if (f.isDirectory()) {
                continue;
            }
            BundleManifest bm = getBundleManifest(f);
            if (bm != null) {
                if (bm.isValid()) {
                    _logger.debug("File {} is a valid bundle. Adding it to bundle list.", f.getName());
                    extraBundlesInfo.add(new SimpleBundleInfo(bm, f.toURL().toExternalForm()));
                } else if (deploymentManifest == null) {
                    _logger.debug("File {} is not a valid bundle. Attempting to convert it.", f.getName());
                    // We have a jar that needs converting to a bundle, or a war to migrate to a WAB
                    // We only do this if a DEPLOYMENT.MF does not exist.
                    BundleConversion convertedBinary = null;
                    Iterator<BundleConverter> converters = _bundleConverters.iterator();
                    List<ConversionException> conversionExceptions = Collections.emptyList();
                    while (converters.hasNext() && convertedBinary == null) {
                        try {
                            BundleConverter converter = converters.next();
                            _logger.debug("Converting file using {} converter", converter);
                            convertedBinary = converter.convert(ebaFile, f);
                        } catch (ServiceException sx) {
                        // We'll get this if our optional BundleConverter has not been injected.
                        } catch (ConversionException cx) {
                            conversionExceptions.add(cx);
                        }
                    }
                    if (conversionExceptions.size() > 0) {
                        for (ConversionException cx : conversionExceptions) {
                            _logger.error("APPMANAGEMENT0004E", new Object[] { f.getName(), appName, cx });
                        }
                        throw new ManagementException(MessageUtil.getMessage("APPMANAGEMENT0005E", appName));
                    }
                    if (convertedBinary != null) {
                        _logger.debug("File {} was successfully converted. Adding it to bundle list.", f.getName());
                        modifiedBundles.put(f.getName(), convertedBinary);
                        extraBundlesInfo.add(convertedBinary.getBundleInfo());
                    } else {
                        _logger.debug("File {} was not converted.", f.getName());
                    }
                } else {
                    _logger.debug("File {} was ignored. It is not a valid bundle and DEPLOYMENT.MF is present", f.getName());
                }
            } else {
                _logger.debug("File {} was ignored. It has no manifest file.", f.getName());
            }
        }
        // if Application-Content header was not specified build it based on the bundles included by value
        if (applicationManifest.getMainAttributes().getValue(AppConstants.APPLICATION_CONTENT) == null) {
            String appContent = buildAppContent(extraBundlesInfo);
            applicationManifest.getMainAttributes().putValue(AppConstants.APPLICATION_CONTENT, appContent);
        }
        ManifestDefaultsInjector.updateManifest(applicationManifest, appName, ebaFile);
        applicationMetadata = _applicationMetadataFactory.createApplicationMetadata(applicationManifest);
        if (deploymentManifest != null) {
            deploymentMetadata = _deploymentMetadataFactory.parseDeploymentMetadata(deploymentManifest);
            // Validate: symbolic names must match
            String appSymbolicName = applicationMetadata.getApplicationSymbolicName();
            String depSymbolicName = deploymentMetadata.getApplicationSymbolicName();
            if (!appSymbolicName.equals(depSymbolicName)) {
                throw new ManagementException(MessageUtil.getMessage("APPMANAGEMENT0002E", appName, appSymbolicName, depSymbolicName));
            }
        }
        application = new AriesApplicationImpl(applicationMetadata, extraBundlesInfo, _localPlatform);
        application.setDeploymentMetadata(deploymentMetadata);
        // Store a reference to any modified bundles
        application.setModifiedBundles(modifiedBundles);
    } catch (IOException iox) {
        _logger.error("APPMANAGEMENT0006E", new Object[] { appPath, iox });
        throw new ManagementException(iox);
    }
    return application;
}

Example 2 with BundleConversion

use of org.apache.aries.application.management.spi.convert.BundleConversion in project aries by apache.

the class AriesApplicationImpl method storeInDirectory.

private void storeInDirectory(File dir) throws IOException, MalformedURLException {
    OutputStream out = null;
    InputStream in = null;
    try {
        out = IOUtils.getOutputStream(dir, AppConstants.APPLICATION_MF);
        _applicationMetadata.store(out);
    } finally {
        IOUtils.close(out);
    }
    if (_deploymentMetadata != null) {
        try {
            out = IOUtils.getOutputStream(dir, AppConstants.DEPLOYMENT_MF);
            _deploymentMetadata.store(out);
        } finally {
            IOUtils.close(out);
        }
    }
    // Write the by-value eba files out
    for (BundleInfo bi : _bundleInfo) {
        // bi.getLocation() will return a URL to the source bundle. It may be of the form
        // file:/path/to/my/file.jar, or
        // jar:file:/my/path/to/eba.jar!/myBundle.jar
        String bundleLocation = bi.getLocation();
        String bundleFileName = bundleLocation.substring(bundleLocation.lastIndexOf('/') + 1);
        try {
            out = IOUtils.getOutputStream(dir, bundleFileName);
            URL bundleURL = new URL(bundleLocation);
            InputStream is = bundleURL.openStream();
            IOUtils.copy(is, out);
        } finally {
            IOUtils.close(out);
            IOUtils.close(in);
        }
    }
    // Write the migrated bundles out
    if (_modifiedBundles != null) {
        for (Map.Entry<String, BundleConversion> modifiedBundle : _modifiedBundles.entrySet()) {
            try {
                out = IOUtils.getOutputStream(dir, modifiedBundle.getKey());
                IOUtils.copy(modifiedBundle.getValue().getInputStream(), out);
            } finally {
                IOUtils.close(out);
            }
        }
    }
}