com.helger.genericode.excel.ExcelSheetToCodeList04.java Source code

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Here is the source code for com.helger.genericode.excel.ExcelSheetToCodeList04.java

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/**
 * Copyright (C) 2014-2015 Philip Helger (www.helger.com)
 * philip[at]helger[dot]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
 * limitations under the License.
 */
package com.helger.genericode.excel;

import java.net.URI;
import java.util.List;

import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import javax.annotation.concurrent.Immutable;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;

import org.apache.poi.ss.usermodel.Sheet;

import com.helger.commons.ValueEnforcer;
import com.helger.commons.string.StringHelper;
import com.helger.genericode.Genericode04Utils;
import com.helger.genericode.v04.Annotation;
import com.helger.genericode.v04.AnyOtherContent;
import com.helger.genericode.v04.CodeListDocument;
import com.helger.genericode.v04.Column;
import com.helger.genericode.v04.ColumnSet;
import com.helger.genericode.v04.Identification;
import com.helger.genericode.v04.Key;
import com.helger.genericode.v04.ObjectFactory;
import com.helger.genericode.v04.Row;
import com.helger.genericode.v04.SimpleCodeList;
import com.helger.genericode.v04.UseType;
import com.helger.genericode.v04.Value;
import com.helger.poi.excel.ExcelReadUtils;

/**
 * A utility class to convert a simple Excel sheet into a code list v0.4
 * consisting of simple values. Please note that merged cells are currently not
 * supported!
 *
 * @author Philip Helger
 */
@Immutable
public final class ExcelSheetToCodeList04 {
    private static final QName QNAME_ANNOTATION = new QName("urn:www.helger.com:schemas:genericode-ext", "info");

    private ExcelSheetToCodeList04() {
    }

    @Nonnull
    public static CodeListDocument convertToSimpleCodeList(@Nonnull final Sheet aExcelSheet,
            @Nonnull final ExcelReadOptions<UseType> aReadOptions, @Nonnull final String sCodeListName,
            @Nonnull final String sCodeListVersion, @Nonnull final URI aCanonicalUri,
            @Nonnull final URI aCanonicalVersionUri, @Nullable final URI aLocationURI) {
        ValueEnforcer.notNull(aExcelSheet, "ExcelSheet");
        ValueEnforcer.notNull(aReadOptions, "ReadOptions");

        final ObjectFactory aFactory = new ObjectFactory();
        final CodeListDocument ret = aFactory.createCodeListDocument();

        // create annotation
        final Annotation aAnnotation = aFactory.createAnnotation();
        final AnyOtherContent aContent = aFactory.createAnyOtherContent();
        aContent.getAny().add(new JAXBElement<String>(QNAME_ANNOTATION, String.class, null,
                "Automatically created by ph-genericode. Do NOT edit."));
        aAnnotation.setAppInfo(aContent);
        ret.setAnnotation(aAnnotation);

        // create identification
        final Identification aIdentification = aFactory.createIdentification();
        aIdentification.setShortName(Genericode04Utils.createShortName(sCodeListName));
        aIdentification.setVersion(sCodeListVersion);
        aIdentification.setCanonicalUri(aCanonicalUri.toString());
        aIdentification.setCanonicalVersionUri(aCanonicalVersionUri.toString());
        if (aLocationURI != null)
            aIdentification.getLocationUri().add(aLocationURI.toString());
        ret.setIdentification(aIdentification);

        // create columns
        final List<ExcelReadColumn<UseType>> aExcelColumns = aReadOptions.getAllColumns();
        final ColumnSet aColumnSet = aFactory.createColumnSet();
        for (final ExcelReadColumn<UseType> aExcelColumn : aExcelColumns) {
            // Read short name (required)
            final String sShortName = aExcelSheet.getRow(aReadOptions.getLineIndexShortName())
                    .getCell(aExcelColumn.getIndex()).getStringCellValue();

            // Read long name (optional)
            String sLongName = null;
            if (aReadOptions.getLineIndexLongName() >= 0)
                sLongName = aExcelSheet.getRow(aReadOptions.getLineIndexLongName()).getCell(aExcelColumn.getIndex())
                        .getStringCellValue();

            // Create Genericode column set
            final Column aColumn = Genericode04Utils.createColumn(aExcelColumn.getColumnID(),
                    aExcelColumn.getUseType(), sShortName, sLongName, aExcelColumn.getDataType());

            // add column
            aColumnSet.getColumnChoice().add(aColumn);

            if (aExcelColumn.isKeyColumn()) {
                // Create key definition
                final Key aKey = Genericode04Utils.createKey(aExcelColumn.getColumnID() + "Key", sShortName,
                        sLongName, aColumn);

                // Add key
                aColumnSet.getKeyChoice().add(aKey);
            }
        }
        ret.setColumnSet(aColumnSet);

        // Read items
        final SimpleCodeList aSimpleCodeList = aFactory.createSimpleCodeList();

        // Determine the row where reading should start
        int nRowIndex = aReadOptions.getLinesToSkip();
        while (true) {
            // Read a single excel row
            final org.apache.poi.ss.usermodel.Row aExcelRow = aExcelSheet.getRow(nRowIndex++);
            if (aExcelRow == null)
                break;

            // Create Genericode row
            final Row aRow = aFactory.createRow();
            for (final ExcelReadColumn<UseType> aExcelColumn : aExcelColumns) {
                final String sValue = ExcelReadUtils.getCellValueString(aExcelRow.getCell(aExcelColumn.getIndex()));
                if (StringHelper.hasText(sValue) || aExcelColumn.getUseType() == UseType.REQUIRED) {
                    // Create a single value in the current row
                    final Value aValue = aFactory.createValue();
                    aValue.setColumnRef(Genericode04Utils.getColumnOfID(aColumnSet, aExcelColumn.getColumnID()));
                    aValue.setSimpleValue(Genericode04Utils.createSimpleValue(sValue));
                    aRow.getValue().add(aValue);
                }
            }
            aSimpleCodeList.getRow().add(aRow);
        }
        ret.setSimpleCodeList(aSimpleCodeList);

        return ret;
    }
}