org.pentaho.amazon.emr.ui.AmazonElasticMapReduceJobExecutorController.java Source code

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Here is the source code for org.pentaho.amazon.emr.ui.AmazonElasticMapReduceJobExecutorController.java

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/*! ******************************************************************************
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 * Pentaho Big Data
 *
 * Copyright (C) 2002-2018 by Hitachi Vantara : http://www.pentaho.com
 *
 *******************************************************************************
 *
 * 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
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package org.pentaho.amazon.emr.ui;

import org.apache.commons.vfs2.FileObject;
import org.apache.commons.vfs2.FileSystemException;
import org.apache.commons.vfs2.FileSystemOptions;
import org.eclipse.swt.widgets.Text;
import org.pentaho.amazon.AbstractAmazonJobEntry;
import org.pentaho.amazon.AbstractAmazonJobExecutorController;
import org.pentaho.amazon.emr.job.AmazonElasticMapReduceJobExecutor;
import org.pentaho.di.core.exception.KettleException;
import org.pentaho.di.core.util.StringUtil;
import org.pentaho.di.i18n.BaseMessages;
import org.pentaho.di.ui.core.database.dialog.tags.ExtTextbox;
import org.pentaho.ui.xul.XulDomContainer;
import org.pentaho.ui.xul.XulException;
import org.pentaho.ui.xul.binding.Binding;
import org.pentaho.ui.xul.binding.BindingFactory;
import org.pentaho.vfs.ui.VfsFileChooserDialog;

import java.lang.reflect.InvocationTargetException;

public class AmazonElasticMapReduceJobExecutorController extends AbstractAmazonJobExecutorController {

    private static final Class<?> PKG = AmazonElasticMapReduceJobExecutor.class;

    // Define string names for the attributes.
    public static final String JAR_URL = "jarUrl";

    public static final String XUL_JAR_URL = "jar-url";

    private AmazonElasticMapReduceJobExecutor jobEntry;
    private String jarUrl = "";

    public AmazonElasticMapReduceJobExecutorController(XulDomContainer container, AbstractAmazonJobEntry jobEntry,
            BindingFactory bindingFactory) {

        super(container, jobEntry, bindingFactory);
        this.jobEntry = (AmazonElasticMapReduceJobExecutor) jobEntry;
        initializeEmrSettingsGroupMenuFields();
    }

    @Override
    protected void initializeTextFields() {
        super.initializeTextFields();
        ExtTextbox tempBox = (ExtTextbox) container.getDocumentRoot().getElementById(XUL_JAR_URL);
        tempBox.setVariableSpace(getVariableSpace());
    }

    protected void createBindings() {

        super.createBindings();
        bindingFactory.setBindingType(Binding.Type.BI_DIRECTIONAL);
        bindingFactory.createBinding(XUL_JAR_URL, "value", this, JAR_URL);
        initializeTextFields();
    }

    @Override
    public String getDialogElementId() {
        return "amazon-emr-job-entry-dialog";
    }

    @Override
    protected void syncModel() {
        super.syncModel();
        ExtTextbox tempBox = (ExtTextbox) getXulDomContainer().getDocumentRoot().getElementById(XUL_JAR_URL);
        this.jarUrl = ((Text) tempBox.getTextControl()).getText();
    }

    public String getJarUrl() {
        return jarUrl;
    }

    public void setJarUrl(String jarUrl) {
        String previousVal = this.jarUrl;
        String newVal = jarUrl;

        this.jarUrl = jarUrl;
        firePropertyChange(AmazonElasticMapReduceJobExecutorController.JAR_URL, previousVal, newVal);

    }

    @Override
    protected void configureJobEntry() {
        super.configureJobEntry();
        jobEntry.setJarUrl(jarUrl);
    }

    @Override
    protected String buildValidationErrorMessages() {
        String validationErrors = super.buildValidationErrorMessages();
        if (StringUtil.isEmpty(jarUrl)) {
            validationErrors += BaseMessages.getString(PKG, "AmazonElasticMapReduceJobExecutor.JarURL.Error")
                    + "\n";
        }
        return validationErrors;
    }

    /**
     * Initialize the dialog by loading model data, creating bindings and firing initial sync
     *
     * @throws XulException
     * @throws InvocationTargetException
     */
    public void init() throws XulException, InvocationTargetException {

        createBindings();

        super.init();
        if (jobEntry != null) {
            setJarUrl(jobEntry.getJarUrl());
        }
    }

    public void browseJar() throws KettleException, FileSystemException {
        String[] fileFilters = new String[] { "*.jar;*.zip" };
        String[] fileFilterNames = new String[] { "Java Archives (jar)" };

        FileSystemOptions opts = getFileSystemOptions();

        FileObject selectedFile = browse(fileFilters, fileFilterNames,
                getVariableSpace().environmentSubstitute(jarUrl), opts, VfsFileChooserDialog.VFS_DIALOG_OPEN_FILE,
                true);
        if (selectedFile != null) {
            setJarUrl(selectedFile.getName().getURI());
        }
    }

    @Override
    public AbstractAmazonJobEntry getJobEntry() {
        return this.jobEntry;
    }

    @Override
    public void setJobEntry(AbstractAmazonJobEntry jobEntry) {
        this.jobEntry = (AmazonElasticMapReduceJobExecutor) jobEntry;
    }
}