com.amazonaws.eclipse.lambda.upload.wizard.handler.UploadFunctionToLambdaCommandHandler.java Source code

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Here is the source code for com.amazonaws.eclipse.lambda.upload.wizard.handler.UploadFunctionToLambdaCommandHandler.java

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/*
 * Copyright 2010-2012 Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *  http://aws.amazon.com/apache2.0
 *
 * or in the "license" file accompanying this file. This file is distributed
 * on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
 * express or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package com.amazonaws.eclipse.lambda.upload.wizard.handler;

import static com.amazonaws.eclipse.lambda.LambdaAnalytics.ATTR_NAME_OPENED_FROM;
import static com.amazonaws.eclipse.lambda.LambdaAnalytics.ATTR_VALUE_PROJECT_CONTEXT_MENU;
import static com.amazonaws.eclipse.lambda.LambdaAnalytics.EVENT_TYPE_UPLOAD_FUNCTION_WIZARD;

import java.util.List;

import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.core.commands.ExecutionEvent;
import org.eclipse.core.commands.ExecutionException;
import org.eclipse.core.resources.IProject;
import org.eclipse.jdt.core.IJavaProject;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.wizard.WizardDialog;
import org.eclipse.swt.widgets.Display;
import org.eclipse.ui.handlers.HandlerUtil;

import com.amazonaws.eclipse.core.AwsToolkitCore;
import com.amazonaws.eclipse.core.mobileanalytics.ToolkitAnalyticsManager;
import com.amazonaws.eclipse.lambda.LambdaPlugin;
import com.amazonaws.eclipse.lambda.project.metadata.LambdaFunctionProjectMetadata;
import com.amazonaws.eclipse.lambda.project.wizard.util.FunctionProjectUtil;
import com.amazonaws.eclipse.lambda.upload.wizard.UploadFunctionWizard;
import com.amazonaws.eclipse.lambda.upload.wizard.util.UploadFunctionUtil;

public class UploadFunctionToLambdaCommandHandler extends AbstractHandler {

    public Object execute(ExecutionEvent event) throws ExecutionException {

        ISelection selection = HandlerUtil.getActiveWorkbenchWindow(event).getActivePage().getSelection();

        if (selection instanceof IStructuredSelection) {
            IStructuredSelection structurredSelection = (IStructuredSelection) selection;
            Object firstSeleciton = structurredSelection.getFirstElement();

            IProject selectedProject = null;

            if (firstSeleciton instanceof IProject) {
                selectedProject = (IProject) firstSeleciton;
            } else if (firstSeleciton instanceof IJavaProject) {
                selectedProject = ((IJavaProject) firstSeleciton).getProject();
            } else {
                LambdaPlugin.getDefault().logInfo("Invalid selection: " + firstSeleciton + " is not a project.");
                return null;
            }

            trackUploadWizardOpenedFromProjectContextMenu();
            doUploadFunctionProjectToLambda(selectedProject);
        }

        return null;
    }

    public static void doUploadFunctionProjectToLambda(IProject project) {

        // Load valid request handler classes

        List<String> handlerClasses = UploadFunctionUtil.findValidHandlerClass(project);

        if (handlerClasses == null || handlerClasses.isEmpty()) {
            MessageDialog.openError(Display.getCurrent().getActiveShell(), "Invalid AWS Lambda Project",
                    "No Lambda function handler class is found in the project. "
                            + "You need to have at least one concrete class that implements the "
                            + "com.amazonaws.services.lambda.runtime.RequestHandler interface.");
            return;
        }

        // Load existing lambda project metadata

        LambdaFunctionProjectMetadata md = FunctionProjectUtil.loadLambdaProjectMetadata(project);

        if (md != null && !md.isValid()) {
            md = null;
            LambdaPlugin.getDefault().logInfo("Ignoring the existing metadata for project [" + project.getName()
                    + "] since the content is invalid.");
        }

        WizardDialog wizardDialog = new WizardDialog(Display.getCurrent().getActiveShell(),
                new UploadFunctionWizard(project, handlerClasses, md));
        wizardDialog.open();
    }

    /*
     * Analytics
     */

    private void trackUploadWizardOpenedFromProjectContextMenu() {
        ToolkitAnalyticsManager analytics = AwsToolkitCore.getDefault().getAnalyticsManager();
        analytics.publishEvent(analytics.eventBuilder().setEventType(EVENT_TYPE_UPLOAD_FUNCTION_WIZARD)
                .addAttribute(ATTR_NAME_OPENED_FROM, ATTR_VALUE_PROJECT_CONTEXT_MENU).build());
    }
}