com.google.idea.blaze.java.wizard.BlazeImportNewJavaProjectAction.java Source code

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Here is the source code for com.google.idea.blaze.java.wizard.BlazeImportNewJavaProjectAction.java

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/*
 * Copyright 2016 The Bazel Authors. 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.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License 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.google.idea.blaze.java.wizard;

import com.google.idea.blaze.base.bazel.BuildSystemProvider;
import com.google.idea.blaze.base.settings.Blaze.BuildSystem;
import com.google.idea.blaze.base.wizard.BlazeImportFileChooser;
import com.intellij.ide.impl.NewProjectUtil;
import com.intellij.openapi.actionSystem.AnAction;
import com.intellij.openapi.actionSystem.AnActionEvent;
import com.intellij.openapi.diagnostic.Logger;
import com.intellij.openapi.options.ConfigurationException;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.ui.Messages;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.projectImport.ProjectImportProvider;

import javax.annotation.Nullable;
import java.io.IOException;

public class BlazeImportNewJavaProjectAction extends AnAction {
    private static final Logger LOG = Logger.getInstance(BlazeImportNewJavaProjectAction.class);

    public BlazeImportNewJavaProjectAction() {
        super("Import Project...");
    }

    @Override
    public void update(AnActionEvent e) {
        super.update(e);
        // this importer only supports importing blaze projects
        if (!BuildSystemProvider.isBuildSystemAvailable(BuildSystem.Blaze)) {
            e.getPresentation().setEnabledAndVisible(false);
        } else {
            e.getPresentation().setEnabledAndVisible(true);
        }
    }

    @Override
    public void actionPerformed(AnActionEvent e) {
        try {
            BlazeImportJavaProjectWizard wizard = selectFileAndCreateWizard();
            if (wizard != null) {
                if (!wizard.runWizard()) {
                    return;
                }
                //noinspection ConstantConditions
                NewProjectUtil.createFromWizard(wizard, null);
            }
        } catch (IOException | ConfigurationException exception) {
            handleImportException(e.getProject(), exception);
        }
    }

    @Nullable
    private BlazeImportJavaProjectWizard selectFileAndCreateWizard() throws IOException, ConfigurationException {
        VirtualFile fileToImport = BlazeImportFileChooser.getFileToImport();
        if (fileToImport == null) {
            return null;
        }
        return createImportWizard(fileToImport);
    }

    @Nullable
    protected BlazeImportJavaProjectWizard createImportWizard(VirtualFile file)
            throws IOException, ConfigurationException {
        ProjectImportProvider provider = createBlazeImportProvider();
        return new BlazeImportJavaProjectWizard(file, provider);
    }

    private static ProjectImportProvider createBlazeImportProvider() {
        BlazeNewJavaProjectImportBuilder builder = new BlazeNewJavaProjectImportBuilder();
        return new BlazeNewProjectImportProvider(builder);
    }

    private static void handleImportException(@Nullable Project project, Exception e) {
        String message = String.format("Project import failed: %s", e.getMessage());
        Messages.showErrorDialog(project, message, "Import Project");
        LOG.error(e);
    }
}