~~ specific language governing permissions and limitations
~~ under the License.

 ---
 Legacy Artifact Handlers Reference
 ---
 Hervé Boutemy
 ---
 2013-08-02
 ---

Legacy Artifact Handlers Reference

  Maven 3 artifact handlers (see {{{../maven-artifact/apidocs/org/apache/maven/artifact/handler/ArtifactHandler.html} API}})

    private List<Action<T>> handlers;

    @Override
    public void onValueChange(Action<T> action) {
        if (handlers == null) {
            handlers = new ArrayList<>();
        }
        handlers.add(action);
    }

    public void handle(T previousValue) {
        if (handlers != null) {
            for (Action<T> handler : handlers) {
                handler.execute(previousValue);
            }

        resource_handler.setResourceBase(docRoot.getAbsolutePath());
        Log.info("serving " + resource_handler.getBaseResource());
        final HandlerList handlers = new HandlerList();
        handlers.setHandlers(new Handler[] { resource_handler, new DefaultHandler() });
        server.setHandler(handlers);
    }

    public void start() {
        try {
            server.start();
        } catch (final Exception e) {

    }

    @Override
    public void addHandlers(Map<String, ArtifactHandler> handlers) {
        throw new UnsupportedOperationException("Adding handlers programmatically is not supported anymore");
    }

    @Deprecated
    public Set<String> getHandlerTypes() {
        throw new UnsupportedOperationException("Querying handlers programmatically is not supported anymore");
    }

            server = new Server(port);

            final RequestHandlerImpl request_handler = new RequestHandlerImpl();
            final HandlerList handlers = new HandlerList();
            handlers.setHandlers(new Handler[] { request_handler, new DefaultHandler() });
            server.setHandler(handlers);
        }

        public void start() {
            try {
                server.start();
            } catch (final Exception e) {

        resource_handler.setResourceBase(docRoot.getAbsolutePath());
        Log.info("serving " + resource_handler.getBaseResource());
        final HandlerList handlers = new HandlerList();
        handlers.setHandlers(new Handler[] { resource_handler, new DefaultHandler() });
        server.setHandler(handlers);
    }

    public void start() {
        try {
            server.start();
        } catch (final Exception e) {

      <item name="Lifecycles" href="./maven-core/lifecycles.html"/>
      <item name="Plugin Bindings to Default Lifecycle" href="./maven-core/default-bindings.html"/>
      <item name="Artifact Handlers" href="./maven-core/artifact-handlers.html"/>
      <item name="CLI options" href="./maven-embedder/cli.html"/>
      <item name="Super POM" href="./maven-model-builder/super-pom.html"/>
    </menu>

                PropertyAnnotationHandler handler = handlers.get(propertyMetadata.getPropertyType());
                if (handler == null) {
                    throw new IllegalStateException("Property handler should not be null for: " + propertyMetadata.getPropertyType());
                }
                handler.visitPropertyValue(qualifiedName, cachedValue, propertyMetadata, visitor);
            }

        resource_handler.setResourceBase(docRoot.getAbsolutePath());
        Log.info("serving " + resource_handler.getBaseResource());
        final HandlerList handlers = new HandlerList();
        handlers.setHandlers(new Handler[] { resource_handler, new DefaultHandler() });
        server.setHandler(handlers);
    }

    public void start() {
        try {
            server.start();
        } catch (final Exception e) {

	Hostport string

	Host string // Host portion of Hostport
	Port int    // Port portion of Hostport

	// Handlers maps from URL paths to the handler to invoke to
	// serve that path.
	Handlers map[string]http.Handler