Examples with SourceToTargetMapping org.pentaho.di.core.SourceToTargetMapping used on opensource projects

Example 26 with SourceToTargetMapping

use of org.pentaho.di.core.SourceToTargetMapping in project pentaho-kettle by pentaho.

the class MySQLBulkLoaderDialog method generateMappings.

/**
 * Reads in the fields from the previous steps and from the ONE next step and opens an EnterMappingDialog with this
 * information. After the user did the mapping, those information is put into the Select/Rename table.
 */
private void generateMappings() {
    // Determine the source and target fields...
    // 
    RowMetaInterface sourceFields;
    RowMetaInterface targetFields;
    try {
        sourceFields = transMeta.getPrevStepFields(stepMeta);
    } catch (KettleException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.UnableToFindSourceFields.Title"), BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.UnableToFindSourceFields.Message"), e);
        return;
    }
    // refresh data
    input.setDatabaseMeta(transMeta.findDatabase(wConnection.getText()));
    input.setTableName(transMeta.environmentSubstitute(wTable.getText()));
    StepMetaInterface stepMetaInterface = stepMeta.getStepMetaInterface();
    try {
        targetFields = stepMetaInterface.getRequiredFields(transMeta);
    } catch (KettleException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.UnableToFindTargetFields.Title"), BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.UnableToFindTargetFields.Message"), e);
        return;
    }
    String[] inputNames = new String[sourceFields.size()];
    for (int i = 0; i < sourceFields.size(); i++) {
        ValueMetaInterface value = sourceFields.getValueMeta(i);
        inputNames[i] = value.getName() + EnterMappingDialog.STRING_ORIGIN_SEPARATOR + value.getOrigin() + ")";
    }
    // Create the existing mapping list...
    // 
    List<SourceToTargetMapping> mappings = new ArrayList<SourceToTargetMapping>();
    StringBuilder missingSourceFields = new StringBuilder();
    StringBuilder missingTargetFields = new StringBuilder();
    int nrFields = wReturn.nrNonEmpty();
    for (int i = 0; i < nrFields; i++) {
        TableItem item = wReturn.getNonEmpty(i);
        String source = item.getText(2);
        String target = item.getText(1);
        int sourceIndex = sourceFields.indexOfValue(source);
        if (sourceIndex < 0) {
            missingSourceFields.append(Const.CR).append("   ").append(source).append(" --> ").append(target);
        }
        int targetIndex = targetFields.indexOfValue(target);
        if (targetIndex < 0) {
            missingTargetFields.append(Const.CR).append("   ").append(source).append(" --> ").append(target);
        }
        if (sourceIndex < 0 || targetIndex < 0) {
            continue;
        }
        SourceToTargetMapping mapping = new SourceToTargetMapping(sourceIndex, targetIndex);
        mappings.add(mapping);
    }
    // 
    if (missingSourceFields.length() > 0 || missingTargetFields.length() > 0) {
        String message = "";
        if (missingSourceFields.length() > 0) {
            message += BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.SomeSourceFieldsNotFound", missingSourceFields.toString()) + Const.CR;
        }
        if (missingTargetFields.length() > 0) {
            message += BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.SomeTargetFieldsNotFound", missingSourceFields.toString()) + Const.CR;
        }
        message += Const.CR;
        message += BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.SomeFieldsNotFoundContinue") + Const.CR;
        MessageDialog.setDefaultImage(GUIResource.getInstance().getImageSpoon());
        boolean goOn = MessageDialog.openConfirm(shell, BaseMessages.getString(PKG, "MySQLBulkLoaderDialog.DoMapping.SomeFieldsNotFoundTitle"), message);
        if (!goOn) {
            return;
        }
    }
    EnterMappingDialog d = new EnterMappingDialog(MySQLBulkLoaderDialog.this.shell, sourceFields.getFieldNames(), targetFields.getFieldNames(), mappings);
    mappings = d.open();
    // 
    if (mappings != null) {
        // Clear and re-populate!
        // 
        wReturn.table.removeAll();
        wReturn.table.setItemCount(mappings.size());
        for (int i = 0; i < mappings.size(); i++) {
            SourceToTargetMapping mapping = mappings.get(i);
            TableItem item = wReturn.table.getItem(i);
            item.setText(2, sourceFields.getValueMeta(mapping.getSourcePosition()).getName());
            item.setText(1, targetFields.getValueMeta(mapping.getTargetPosition()).getName());
            item.setText(3, MySQLBulkLoaderMeta.getFieldFormatTypeDescription(input.getFieldFormatType()[i]));
        }
        wReturn.setRowNums();
        wReturn.optWidth(true);
    }
}

Example 27 with SourceToTargetMapping

use of org.pentaho.di.core.SourceToTargetMapping in project pentaho-kettle by pentaho.

the class LDAPOutputDialog method generateMappings.

/**
 * Reads in the fields from the previous steps and from the ONE next step and opens an EnterMappingDialog with this
 * information. After the user did the mapping, those information is put into the Select/Rename table.
 */
private void generateMappings() {
    // Determine the source and target fields...
    // 
    RowMetaInterface sourceFields;
    RowMetaInterface targetFields = new RowMeta();
    try {
        sourceFields = transMeta.getPrevStepFields(stepMeta);
    } catch (KettleException e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.UnableToFindSourceFields.Title"), BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.UnableToFindSourceFields.Message"), e);
        return;
    }
    LDAPConnection connection = null;
    try {
        // return fields
        targetFields = getLDAPFields();
    } catch (Exception e) {
        new ErrorDialog(shell, BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.UnableToFindTargetFields.Title"), BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.UnableToFindTargetFields.Message"), e);
        return;
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (Exception e) {
            /* Ignore */
            }
        }
    }
    String[] inputNames = new String[sourceFields.size()];
    for (int i = 0; i < sourceFields.size(); i++) {
        ValueMetaInterface value = sourceFields.getValueMeta(i);
        inputNames[i] = value.getName() + EnterMappingDialog.STRING_ORIGIN_SEPARATOR + value.getOrigin() + ")";
    }
    // Create the existing mapping list...
    // 
    List<SourceToTargetMapping> mappings = new ArrayList<SourceToTargetMapping>();
    StringBuilder missingSourceFields = new StringBuilder();
    StringBuilder missingTargetFields = new StringBuilder();
    int nrFields = wReturn.nrNonEmpty();
    for (int i = 0; i < nrFields; i++) {
        TableItem item = wReturn.getNonEmpty(i);
        String source = item.getText(2);
        String target = item.getText(1);
        int sourceIndex = sourceFields.indexOfValue(source);
        if (sourceIndex < 0) {
            missingSourceFields.append(Const.CR + "   " + source + " --> " + target);
        }
        int targetIndex = targetFields.indexOfValue(target);
        if (targetIndex < 0) {
            missingTargetFields.append(Const.CR + "   " + source + " --> " + target);
        }
        if (sourceIndex < 0 || targetIndex < 0) {
            continue;
        }
        SourceToTargetMapping mapping = new SourceToTargetMapping(sourceIndex, targetIndex);
        mappings.add(mapping);
    }
    // 
    if (missingSourceFields.length() > 0 || missingTargetFields.length() > 0) {
        String message = "";
        if (missingSourceFields.length() > 0) {
            message += BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.SomeSourceFieldsNotFound", missingSourceFields.toString()) + Const.CR;
        }
        if (missingTargetFields.length() > 0) {
            message += BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.SomeTargetFieldsNotFound", missingSourceFields.toString()) + Const.CR;
        }
        message += Const.CR;
        message += BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.SomeFieldsNotFoundContinue") + Const.CR;
        MessageDialog.setDefaultImage(GUIResource.getInstance().getImageSpoon());
        boolean goOn = MessageDialog.openConfirm(shell, BaseMessages.getString(PKG, "LDAPOutputDialog.DoMapping.SomeFieldsNotFoundTitle"), message);
        if (!goOn) {
            return;
        }
    }
    EnterMappingDialog d = new EnterMappingDialog(LDAPOutputDialog.this.shell, sourceFields.getFieldNames(), targetFields.getFieldNames(), mappings);
    mappings = d.open();
    // 
    if (mappings != null) {
        // Clear and re-populate!
        // 
        wReturn.table.removeAll();
        wReturn.table.setItemCount(mappings.size());
        for (int i = 0; i < mappings.size(); i++) {
            SourceToTargetMapping mapping = mappings.get(i);
            TableItem item = wReturn.table.getItem(i);
            item.setText(2, sourceFields.getValueMeta(mapping.getSourcePosition()).getName());
            item.setText(1, targetFields.getValueMeta(mapping.getTargetPosition()).getName());
        }
        wReturn.setRowNums();
        wReturn.optWidth(true);
    }
}