Java调用Kettle代码

/********************************************************************** ** ** ** This code belongs to the KETTLE project. ** ** ** ** Kettle, from version 2.2 on, is released into the public domain ** ** under the Lesser GNU Public License (LGPL). ** ** ** ** For more details, please read the document LICENSE.txt, included ** ** in this project ** ** ** ** http://www.kettle.be ** ** info@kettle.be ** ** ** **********************************************************************/ /* * Created on 18-mei-2003 * */ package com.aofei.kettleplugin.obfus; import java.util.ArrayList; import org.eclipse.swt.SWT; import org.eclipse.swt.custom.CCombo; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.ShellAdapter; import org.eclipse.swt.events.ShellEvent; import org.eclipse.swt.layout.FormAttachment; import org.eclipse.swt.layout.FormData; import org.eclipse.swt.layout.FormLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Display; import org.eclipse.swt.widgets.Event; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Listener; import org.eclipse.swt.widgets.MessageBox; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.pentaho.di.core.Const; import org.pentaho.di.core.row.RowMeta; import org.pentaho.di.core.row.RowMetaInterface; import org.pentaho.di.i18n.BaseMessages; import org.pentaho.di.trans.TransMeta; import org.pentaho.di.trans.step.BaseStepMeta; import org.pentaho.di.trans.step.StepDialogInterface; import org.pentaho.di.ui.trans.step.BaseStepDialog; public class ObfusDialog extends BaseStepDialog implements StepDialogInterface { private CCombo wConnection; private Label wlFieldName; private Text wFieldName; private FormData fdlFieldName, fdFieldName; private Label wlNewFieldName; private Text wNewFieldName; private FormData fdlNewFieldName, fdNewFieldName; private Label wlFixPreN; private Button wFixPreN; private FormData fdlFixPreN, fdFixPreN; private Label wlNumberN; private Text wNumberN; private FormData fdlN, fdN; private Label wlReplaceChars; private Text wReplaceChars; private FormData fdlReplaceChars, fdReplaceChars; private ObfusMeta meta; public ObfusDialog(Shell parent, Object in, TransMeta tr, String sname) { super(parent, (BaseStepMeta)in, tr, sname); meta=(ObfusMeta)in; } public String open() { Shell parent = getParent(); Display display = parent.getDisplay(); shell = new Shell(parent, SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX | SWT.MIN); props.setLook(shell); ModifyListener lsMod = new ModifyListener() { public void modifyText(ModifyEvent e) { meta.setChanged(); } }; changed = meta.hasChanged(); FormLayout formLayout = new FormLayout (); formLayout.marginWidth = Const.FORM_MARGIN; formLayout.marginHeight = Const.FORM_MARGIN; shell.setLayout(formLayout); shell.setText(Messages.getString("ObfusDialog.Shell.Title")); //$NON-NLS-1$ int middle = props.getMiddlePct(); int margin = Const.MARGIN; // Stepname line wlStepname=new Label(shell, SWT.RIGHT); wlStepname.setText(Messages.getString("ObfusDialog.Stepname.Label")); //$NON-NLS-1$ props.setLook(wlStepname); fdlStepname=new FormData(); fdlStepname.left = new FormAttachment(0, 0); fdlStepname.top = new FormAttachment(0, margin); fdlStepname.right= new FormAttachment(middle, -margin); wlStepname.setLayoutData(fdlStepname); wStepname=new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER); wStepname.setText(stepname); props.setLook(wStepname); wStepname.addModifyListener(lsMod); fdStepname=new FormData(); fdStepname.left = new FormAttachment(middle, 0); fdStepname.top = new FormAttachment(0, margin); fdStepname.right= new FormAttachment(100, 0); wStepname.setLayoutData(fdStepname); // FieldName wlFieldName = new Label(shell, SWT.RIGHT); wlFieldName.setText(Messages.getString("ObfusDialog.fieldName.Label")); //$NON-NLS-1$ props.setLook(wlFieldName); fdlFieldName = new FormData(); fdlFieldName.left = new FormAttachment(0, 0); fdlFieldName.top = new FormAttachment(wStepname, margin); fdlFieldName.right = new FormAttachment(middle, -margin); wlFieldName.setLayoutData(fdlFieldName); wFieldName = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER); props.setLook(wFieldName); fdFieldName = new FormData(); fdFieldName.left = new FormAttachment(middle, 0); fdFieldName.top = new FormAttachment(wStepname, margin); fdFieldName.right = new FormAttachment(100, 0); wFieldName.setLayoutData(fdFieldName); // NewFieldName wlNewFieldName = new Label(shell, SWT.RIGHT); wlNewFieldName.setText(Messages.getString("ObfusDialog.newFieldName.Label")); //$NON-NLS-1$ props.setLook(wlNewFieldName); fdlNewFieldName = new FormData(); fdlNewFieldName.left = new FormAttachment(0, 0); fdlNewFieldName.top = new FormAttachment(wFieldName, margin); fdlNewFieldName.right = new FormAttachment(middle, -margin); wlNewFieldName.setLayoutData(fdlNewFieldName); wNewFieldName = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER); props.setLook(wNewFieldName); fdNewFieldName = new FormData(); fdNewFieldName.left = new FormAttachment(middle, 0); fdNewFieldName.top = new FormAttachment(wFieldName, margin); fdNewFieldName.right = new FormAttachment(100, 0); wNewFieldName.setLayoutData(fdNewFieldName); // Fix pre N check box wlFixPreN = new Label(shell, SWT.RIGHT); wlFixPreN.setText(Messages.getString("ObfusDialog.FixPreN.label")); //$NON-NLS-1$ props.setLook(wlFixPreN); fdlFixPreN = new FormData(); fdlFixPreN.left = new FormAttachment(0, 0); fdlFixPreN.top = new FormAttachment(wNewFieldName, margin); fdlFixPreN.right = new FormAttachment(middle, -margin); wlFixPreN.setLayoutData(fdlFixPreN); wFixPreN = new Button(shell, SWT.CHECK); props.setLook(wFixPreN); fdFixPreN= new FormData(); fdFixPreN.left = new FormAttachment(middle, 0); fdFixPreN.top = new FormAttachment(wNewFieldName, margin); fdFixPreN.right = new FormAttachment(100, 0); wFixPreN.setLayoutData(fdFixPreN); wFixPreN.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent arg0) { meta.setChanged(); wlNumberN.setEnabled(wFixPreN.getSelection()); wNumberN.setEnabled(wFixPreN.getSelection()); wlReplaceChars.setEnabled(wFixPreN.getSelection()); wReplaceChars.setEnabled(wFixPreN.getSelection()); } } ); //N wlNumberN = new Label(shell, SWT.RIGHT); wlNumberN.setText(Messages.getString("ObfusDialog.N.Label")); //$NON-NLS-1$ props.setLook(wlNumberN); fdlN = new FormData(); fdlN.left = new FormAttachment(0, 0); fdlN.top = new FormAttachment(wFixPreN, margin); fdlN.right = new FormAttachment(middle, -margin); wlNumberN.setLayoutData(fdlN); wNumberN = new Text(shell, SWT.SINGLE | SWT.LEFT | SWT.BORDER); props.setLook(wNumberN); fdN = new FormData(); fdN.left = new FormAttachment(middle, 0); fdN.top = new FormAttachment(wFixPreN, margin); fdN.right = new FormAttachment(100, 0); wNumberN.setLayoutData(fdN); // ReplaceChars wlReplaceChars = new Label(shell, SWT.RIGHT); wlReplaceChars.setText(Messages.getString("ObfusDialog.replaceChars.Label")); //$NON-NL