org.eclipse.virgo.ide.runtime.core/src/org/eclipse/virgo/ide/runtime/internal/core/ServerLaunchableAdapterDelegate.java

/*********************************************************************
 * Copyright (c) 2009, 2012 SpringSource, a division of VMware, Inc.
 *
 * This program and the accompanying materials are made
 * available under the terms of the Eclipse Public License 2.0
 * which is available at https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
**********************************************************************/

package org.eclipse.virgo.ide.runtime.internal.core;

import java.net.URL;

import org.eclipse.jst.server.core.IWebModule;
import org.eclipse.jst.server.core.Servlet;
import org.eclipse.wst.server.core.IModuleArtifact;
import org.eclipse.wst.server.core.IServer;
import org.eclipse.wst.server.core.model.IURLProvider;
import org.eclipse.wst.server.core.model.LaunchableAdapterDelegate;
import org.eclipse.wst.server.core.util.HttpLaunchable;
import org.eclipse.wst.server.core.util.WebResource;

/**
 * {@link LaunchableAdapterDelegate} to allow "Run as..." actions for web resources.
 *
 * @author Christian Dupuis
 * @since 1.0.0
 */
public class ServerLaunchableAdapterDelegate extends LaunchableAdapterDelegate {

    @Override
    public Object getLaunchable(IServer server, IModuleArtifact moduleObject) {
        // Check for correct module type
        if (server.getAdapter(Server.class) == null) {
            return null;
        }
        if (!(moduleObject instanceof Servlet) && !(moduleObject instanceof WebResource)) {
            return null;
        }
        if (moduleObject.getModule().loadAdapter(IWebModule.class, null) == null) {
            return null;
        }

        try {
            URL url = ((IURLProvider) server.loadAdapter(IURLProvider.class, null)).getModuleRootURL(moduleObject.getModule());

            if (moduleObject instanceof Servlet) {
                Servlet servlet = (Servlet) moduleObject;
                if (servlet.getAlias() != null) {
                    String path = servlet.getAlias();
                    if (path.startsWith("/")) {
                        path = path.substring(1);
                    }
                    url = new URL(url, path);
                } else {
                    url = new URL(url, "servlet/" + servlet.getServletClassName());
                }
            } else if (moduleObject instanceof WebResource) {
                WebResource resource = (WebResource) moduleObject;
                String path = resource.getPath().toString();
                if (path != null && path.startsWith("/") && path.length() > 0) {
                    path = path.substring(1);
                }
                if (path != null && path.length() > 0) {
                    url = new URL(url, path);
                }
            }
            return new HttpLaunchable(url);
        } catch (Exception e) {
            return null;
        }
    }
}