org.pentaho.big.data.kettle.plugins.sqoop.ui.SqoopExportJobEntryController.java Source code

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Here is the source code for org.pentaho.big.data.kettle.plugins.sqoop.ui.SqoopExportJobEntryController.java

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/*! ******************************************************************************
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 * Pentaho Big Data
 *
 * Copyright (C) 2002-2017 by Hitachi Vantara : http://www.pentaho.com
 *
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 *
 * 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
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 * Unless required by applicable law or agreed to in writing, software
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 * See the License for the specific language governing permissions and
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package org.pentaho.big.data.kettle.plugins.sqoop.ui;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.pentaho.big.data.kettle.plugins.hdfs.vfs.Schemes;
import org.pentaho.big.data.kettle.plugins.sqoop.AbstractSqoopJobEntry;
import org.pentaho.big.data.kettle.plugins.sqoop.SqoopExportConfig;
import org.pentaho.big.data.kettle.plugins.sqoop.SqoopExportJobEntry;
import org.pentaho.di.core.exception.KettleFileException;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.job.JobMeta;
import org.pentaho.di.ui.spoon.Spoon;
import org.pentaho.ui.xul.XulDomContainer;
import org.pentaho.ui.xul.binding.Binding;
import org.pentaho.ui.xul.binding.BindingFactory;
import org.pentaho.vfs.ui.VfsFileChooserDialog;

import java.util.Collection;

/**
 * Controller for the Sqoop Export Dialog.
 */
public class SqoopExportJobEntryController
        extends AbstractSqoopJobEntryController<SqoopExportConfig, SqoopExportJobEntry> {

    public static final String SQOOP_EXPORT_STEP_NAME = "sqoop-export";

    public SqoopExportJobEntryController(JobMeta jobMeta, XulDomContainer container,
            SqoopExportJobEntry sqoopJobEntry, BindingFactory bindingFactory) {
        super(jobMeta, container, sqoopJobEntry, bindingFactory);
    }

    @Override
    public String getDialogElementId() {
        return SQOOP_EXPORT_STEP_NAME;
    }

    @Override
    protected void createBindings(SqoopExportConfig config, XulDomContainer container,
            BindingFactory bindingFactory, Collection<Binding> bindings) {
        super.createBindings(config, container, bindingFactory, bindings);

        bindings.add(bindingFactory.createBinding(config, SqoopExportConfig.EXPORT_DIR,
                SqoopExportConfig.EXPORT_DIR, "value"));
    }

    public void browseForExportDirectory() {
        try {
            String[] schemeRestrictions = new String[1];
            if (selectedNamedCluster != null && !"false".equals(selectedNamedCluster.getVariable("valid"))) {
                schemeRestrictions[0] = selectedNamedCluster.isMapr() ? Schemes.MAPRFS_SCHEME : Schemes.HDFS_SCHEME;
            } else {
                // must select cluster
                return;
            }

            String path = getConfig().getExportDir();
            FileObject initialFile = getInitialFile(path);

            if (initialFile == null) {
                showErrorDialog(BaseMessages.getString(PKG, "Sqoop.JobEntry.Connection.Error.title"),
                        BaseMessages.getString(PKG, "Sqoop.JobEntry.Connection.error"));
                return;
            }

            FileObject exportDir = browseVfs(null, initialFile, VfsFileChooserDialog.VFS_DIALOG_OPEN_DIRECTORY,
                    schemeRestrictions, false, schemeRestrictions[0], selectedNamedCluster, false, false);
            VfsFileChooserDialog dialog = Spoon.getInstance().getVfsFileChooserDialog(null, null);
            boolean okPressed = dialog.okPressed;
            if (okPressed) {
                getConfig().setExportDir(exportDir != null ? exportDir.getName().getPath() : null);
                extractNamedClusterFromVfsFileChooser();
            }
        } catch (KettleFileException | FileSystemException e) {
            getJobEntry().logError(BaseMessages.getString(AbstractSqoopJobEntry.class, "ErrorBrowsingDirectory"),
                    e);
        }
    }

    @Override
    public void accept() {
        // Set the database meta based on the current database
        jobEntry.setDatabaseMeta(jobMeta.findDatabase(config.getDatabase()));
        super.accept();
    }

    public void editNamedCluster() {
        editNamedCluster(SQOOP_EXPORT_STEP_NAME);
    }

    public void newNamedCluster() {
        newNamedCluster(SQOOP_EXPORT_STEP_NAME);
    }
}