org.spdx.compare.ExtractedLicenseSheet Maven / Gradle / Ivy
/**
* Copyright (c) 2013 Source Auditor Inc.
* Copyright (c) 2013 Black Duck Software Inc.
*
* 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 org.spdx.compare;
import java.io.Serializable;
import java.util.Arrays;
import java.util.Comparator;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.Workbook;
import org.spdx.rdfparser.InvalidSPDXAnalysisException;
import org.spdx.rdfparser.license.AnyLicenseInfo;
import org.spdx.rdfparser.license.ExtractedLicenseInfo;
import org.spdx.spdxspreadsheet.AbstractSheet;
/**
* Comparison results for extracted licenses
* Column 1 contains the extracted text
* Columns 2 through N contains the license information in the format licenseId [licenseName] {licenceUrls} (licenseComment)
* @author Gary O'Neall
*
*/
public class ExtractedLicenseSheet extends AbstractSheet {
private static final class ExtractedLicenseComparator implements Comparator, Serializable {
/**
*
*/
private static final long serialVersionUID = 1L;
/* (non-Javadoc)
* @see java.util.Comparator#compare(java.lang.Object, java.lang.Object)
*/
@Override
public int compare(AnyLicenseInfo o1, AnyLicenseInfo o2) {
if (o1 instanceof ExtractedLicenseInfo) {
if (o2 instanceof ExtractedLicenseInfo) {
ExtractedLicenseInfo l1 = (ExtractedLicenseInfo)o1;
ExtractedLicenseInfo l2 = (ExtractedLicenseInfo)o2;
String extracted1 = l1.getExtractedText();
String extracted2 = l2.getExtractedText();
if (extracted1 == null && extracted2 == null) {
return 0;
} else if (extracted1 == null) {
return -1;
} else if (extracted2 == null) {
return 1;
} else {
return extracted1.compareTo(extracted2);
}
} else {
return 1;
}
} else {
return -1;
}
}
}
ExtractedLicenseComparator extractedLicenseComparator = new ExtractedLicenseComparator();
private static final int EXTRACTED_TEXT_COL = 0;
private static final int EXTRACTED_TEXT_WIDTH = 100;
private static final String EXTRACTED_TEXT_TITLE = "Extracted License Text";
private static final int LIC_ID_COL_WIDTH = 20;
private static final int FIRST_LIC_ID_COL = 1;
/**
* @param workbook
* @param sheetName
*/
public ExtractedLicenseSheet(Workbook workbook, String sheetName) {
super(workbook, sheetName);
}
/* (non-Javadoc)
* @see org.spdx.spdxspreadsheet.AbstractSheet#verify()
*/
@Override
public String verify() {
// Nothing to verify
return null;
}
/**
* @param wb
* @param sheetName
*/
public static void create(Workbook wb, String sheetName) {
int sheetNum = wb.getSheetIndex(sheetName);
if (sheetNum >= 0) {
wb.removeSheetAt(sheetNum);
}
Sheet sheet = wb.createSheet(sheetName);
CellStyle headerStyle = AbstractSheet.createHeaderStyle(wb);
CellStyle defaultStyle = AbstractSheet.createLeftWrapStyle(wb);
Row row = sheet.createRow(0);
sheet.setColumnWidth(EXTRACTED_TEXT_COL, EXTRACTED_TEXT_WIDTH*256);
sheet.setDefaultColumnStyle(EXTRACTED_TEXT_COL, defaultStyle);
Cell extractedHeaderCell = row.createCell(EXTRACTED_TEXT_COL);
extractedHeaderCell.setCellStyle(headerStyle);
extractedHeaderCell.setCellValue(EXTRACTED_TEXT_TITLE);
for (int i = FIRST_LIC_ID_COL; i < MultiDocumentSpreadsheet.MAX_DOCUMENTS; i++) {
sheet.setColumnWidth(i, LIC_ID_COL_WIDTH*256);
sheet.setDefaultColumnStyle(i, defaultStyle);
Cell cell = row.createCell(i);
cell.setCellStyle(headerStyle);
}
}
/**
* @param comparer
* @param docNames
* @throws InvalidSPDXAnalysisException
*/
public void importCompareResults(SpdxComparer comparer, String[] docNames) throws SpdxCompareException, InvalidSPDXAnalysisException {
if (comparer.getNumSpdxDocs() != docNames.length) {
throw(new SpdxCompareException("Number of document names does not match the number of SPDX documents"));
}
this.clear();
Row header = sheet.getRow(0);
int[] licenseIndexes = new int[comparer.getNumSpdxDocs()];
AnyLicenseInfo[][] extractedLicenses = new AnyLicenseInfo[comparer.getNumSpdxDocs()][];
for (int i = 0; i < extractedLicenses.length; i++) {
Cell headerCell = header.getCell(FIRST_LIC_ID_COL+i);
headerCell.setCellValue(docNames[i]);
AnyLicenseInfo[] docExtractedLicenses = comparer.getSpdxDoc(i).getExtractedLicenseInfos();
Arrays.sort(docExtractedLicenses, extractedLicenseComparator);
extractedLicenses[i] = docExtractedLicenses;
licenseIndexes[i] = 0;
}
while (!allLicensesExhausted(extractedLicenses, licenseIndexes)) {
Row currentRow = this.addRow();
String extractedLicenseText = getNextExtractedLicenseText(extractedLicenses, licenseIndexes);
Cell licenseTextCell = currentRow.createCell(EXTRACTED_TEXT_COL);
licenseTextCell.setCellValue(extractedLicenseText);
for (int i = 0; i < extractedLicenses.length; i++) {
if (extractedLicenses[i].length > licenseIndexes[i]) {
if (extractedLicenses[i][licenseIndexes[i]] instanceof ExtractedLicenseInfo) {
String compareExtractedText = ((ExtractedLicenseInfo)extractedLicenses[i][licenseIndexes[i]]).getExtractedText();
if (LicenseCompareHelper.isLicenseTextEquivalent(extractedLicenseText,
compareExtractedText)) {
Cell licenseIdCell = currentRow.createCell(FIRST_LIC_ID_COL+i);
licenseIdCell.setCellValue(formatLicenseInfo((ExtractedLicenseInfo)extractedLicenses[i][licenseIndexes[i]]));
licenseIndexes[i]++;
}
} else {
licenseIndexes[i]++; // skip any licenses which are not non-standard licenses
}
}
}
}
}
/**
* Formats the license information for the license ID cell
* @param license
* @return
*/
private String formatLicenseInfo(ExtractedLicenseInfo license) {
StringBuilder sb = new StringBuilder(license.getLicenseId());
if (license.getName() != null && !license.getName().isEmpty()) {
sb.append("[");
sb.append(license.getName());
sb.append("]");
}
if (license.getSeeAlso() != null && license.getSeeAlso().length > 0) {
sb.append("{");
sb.append(license.getSeeAlso()[0]);
for (int i = 1; i < license.getSeeAlso().length; i++) {
sb.append(", ");
sb.append(license.getSeeAlso()[i]);
}
sb.append("}");
}
if (license.getComment() != null && !license.getComment().isEmpty()) {
sb.append("(");
sb.append(license.getComment());
sb.append(")");
}
return sb.toString();
}
/**
* Get the next extracted license text in alpha sort order from the SPDXLicenseInfos
* @param licenseInfos
* @param licenseIndexes
* @return
*/
private String getNextExtractedLicenseText(AnyLicenseInfo[][] licenseInfos, int[] licenseIndexes) {
String retval = null;
for (int i = 0; i < licenseInfos.length; i++) {
if (licenseInfos[i].length > licenseIndexes[i]) {
AnyLicenseInfo licenseInfo = licenseInfos[i][licenseIndexes[i]];
String extractedText = "";
if (licenseInfo instanceof ExtractedLicenseInfo) {
extractedText = ((ExtractedLicenseInfo)licenseInfo).getExtractedText();
if (extractedText == null) {
extractedText = "";
}
}
if (retval == null || retval.compareTo(extractedText) > 0) {
retval = extractedText;
}
}
}
return retval;
}
/**
* Returns true if the license indexes is greater than the size of the licenseInfos for all documents
* @param licenseInfos
* @param licenseIndexes
* @return
*/
private boolean allLicensesExhausted(AnyLicenseInfo[][] licenseInfos, int[] licenseIndexes) {
for (int i = 0; i < licenseInfos.length; i++) {
if (licenseIndexes[i] < licenseInfos[i].length) {
return false;
}
}
return true;
}
}
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