Examples with ComponentXpp3Reader org.apache.maven.plugins.assembly.model.io.xpp3.ComponentXpp3Reader used on opensource projects

Example 1 with ComponentXpp3Reader

use of org.apache.maven.plugins.assembly.model.io.xpp3.ComponentXpp3Reader in project maven-plugins by apache.

the class DefaultAssemblyReader method mergeComponentsWithMainAssembly.

/**
 * Add the contents of all included components to main assembly
 *
 * @param assembly The assembly
 * @param assemblyDir The assembly directory
 * @param transformer The component interpolator
 * @throws AssemblyReadException .
 */
protected void mergeComponentsWithMainAssembly(final Assembly assembly, final File assemblyDir, final AssemblerConfigurationSource configSource, ComponentXpp3Reader.ContentTransformer transformer) throws AssemblyReadException {
    final Locator locator = new Locator();
    if (assemblyDir != null && assemblyDir.exists() && assemblyDir.isDirectory()) {
        locator.addStrategy(new RelativeFileLocatorStrategy(assemblyDir));
    }
    // allow absolute paths in componentDescriptor... MASSEMBLY-486
    locator.addStrategy(new RelativeFileLocatorStrategy(configSource.getBasedir()));
    locator.addStrategy(new FileLocatorStrategy());
    locator.addStrategy(new ClasspathResourceLocatorStrategy());
    final AssemblyExpressionEvaluator aee = new AssemblyExpressionEvaluator(configSource);
    final List<String> componentLocations = assembly.getComponentDescriptors();
    for (String location : componentLocations) {
        // allow expressions in path to component descriptor... MASSEMBLY-486
        try {
            location = aee.evaluate(location).toString();
        } catch (final Exception eee) {
            getLogger().error("Error interpolating componentDescriptor: " + location, eee);
        }
        final Location resolvedLocation = locator.resolve(location);
        if (resolvedLocation == null) {
            throw new AssemblyReadException("Failed to locate component descriptor: " + location);
        }
        Component component = null;
        Reader reader = null;
        try {
            reader = new InputStreamReader(resolvedLocation.getInputStream());
            component = new ComponentXpp3Reader(transformer).read(reader);
        } catch (final IOException e) {
            throw new AssemblyReadException("Error reading component descriptor: " + location + " (resolved to: " + resolvedLocation.getSpecification() + ")", e);
        } catch (final XmlPullParserException e) {
            throw new AssemblyReadException("Error reading component descriptor: " + location + " (resolved to: " + resolvedLocation.getSpecification() + ")", e);
        } finally {
            IOUtil.close(reader);
        }
        mergeComponentWithAssembly(component, assembly);
    }
}