org.spdx.compare.CompareHelper Maven / Gradle / Ivy
/**
* Copyright (c) 2015 Source Auditor 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.util.Arrays;
import java.util.regex.Matcher;
import org.spdx.rdfparser.InvalidSPDXAnalysisException;
import org.spdx.rdfparser.license.AnyLicenseInfo;
import org.spdx.rdfparser.model.Annotation;
import org.spdx.rdfparser.model.Checksum;
import org.spdx.rdfparser.model.ExternalRef;
import org.spdx.rdfparser.model.Relationship;
import org.spdx.rdfparser.model.SpdxElement;
import org.spdx.rdfparser.model.Checksum.ChecksumAlgorithm;
import org.spdx.rdfparser.model.SpdxFile.FileType;
import org.spdx.rdfparser.referencetype.ListedReferenceTypes;
import org.spdx.tag.BuildDocument;
import org.spdx.tag.InvalidSpdxTagFileException;
/**
* Helper class for comparisons
* @author Gary O'Neall
*
*/
public class CompareHelper {
static final int MAX_CHARACTERS_PER_CELL = 32000;
/**
*
*/
private CompareHelper() {
// Static helper, should not be instantiated
}
/**
* @param annotation
* @return
*/
public static String annotationToString(Annotation annotation) {
if (annotation == null) {
return "";
}
StringBuilder sb = new StringBuilder(annotation.getAnnotationDate());
sb.append(" ");
sb.append(annotation.getAnnotator());
sb.append(": ");
sb.append(annotation.getComment());
sb.append("[");
sb.append(annotation.getAnnotationType().getTag());
sb.append("]");
return sb.toString();
}
/**
* Create a string from an array of checksums
* @param checksums
* @return
*/
public static String checksumsToString(Checksum[] checksums) {
if (checksums == null || checksums.length == 0) {
return "";
}
Arrays.sort(checksums);
StringBuilder sb = new StringBuilder(CompareHelper.checksumToString(checksums[0]));
for (int i = 1; i < checksums.length; i++) {
sb.append("\n");
String checksum = checksumToString(checksums[i]);
if (sb.length() + checksum.length() > MAX_CHARACTERS_PER_CELL) {
int numRemaing = checksums.length - i;
sb.append('[');
sb.append(numRemaing);
sb.append(" more...]");
break;
}
sb.append(checksum);
}
return sb.toString();
}
/**
* @param checksum
* @return
*/
public static String checksumToString(Checksum checksum) {
if (checksum == null) {
return "";
}
StringBuilder sb = new StringBuilder(Checksum.CHECKSUM_ALGORITHM_TO_TAG.get(checksum.getAlgorithm()));
sb.append(' ');
sb.append(checksum.getValue());
return sb.toString();
}
/**
* @param licenseInfoFromFiles
* @return
*/
public static String licenseInfosToString(AnyLicenseInfo[] licenseInfoFromFiles) {
if (licenseInfoFromFiles == null || licenseInfoFromFiles.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder();
sb.append(licenseInfoFromFiles[0].toString());
for (int i = 1; i < licenseInfoFromFiles.length; i++) {
sb.append(", ");
sb.append(licenseInfoFromFiles[i].toString());
}
return sb.toString();
}
/**
* @param annotations
* @return
*/
public static String annotationsToString(Annotation[] annotations) {
if (annotations == null || annotations.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder(annotationToString(annotations[0]));
for (int i = 1; i < annotations.length; i++) {
sb.append("\n");
String annotation = annotationToString(annotations[i]);
if (sb.length() + annotation.length() > MAX_CHARACTERS_PER_CELL) {
int numRemaing = annotations.length - i;
sb.append('[');
sb.append(numRemaing);
sb.append(" more...]");
break;
}
sb.append(annotation);
}
return sb.toString();
}
public static String attributionsToString(String[] attributionText) {
if (attributionText == null || attributionText.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder(attributionText[0]);
for (int i = 1; i < attributionText.length; i++) {
sb.append("\n");
sb.append(attributionText[i]);
}
return sb.toString();
}
public static String relationshipToString(Relationship relationship) {
if (relationship == null) {
return "";
}
if (relationship.getRelationshipType() == null) {
return "Unknown relationship type";
}
StringBuilder sb = new StringBuilder(relationship.getRelationshipType().toTag());
sb.append(":");
if (relationship.getRelatedSpdxElement() == null) {
sb.append("?NULL");
} else {
if (relationship.getRelatedSpdxElement().getName() != null) {
sb.append('[');
sb.append(relationship.getRelatedSpdxElement().getName());
sb.append(']');
}
sb.append(relationship.getRelatedSpdxElement().getId());
}
if (relationship.getComment() != null && !relationship.getComment().isEmpty()) {
sb.append('(');
sb.append(relationship.getComment());
sb.append(')');
}
return sb.toString();
}
/**
* @param relationships
* @return
*/
public static String relationshipsToString(Relationship[] relationships) {
if (relationships == null || relationships.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder(relationshipToString(relationships[0]));
for (int i = 1; i < relationships.length; i++) {
sb.append("\n");
String nextRelationship = relationshipToString(relationships[i]);
if (sb.length() + nextRelationship.length() > MAX_CHARACTERS_PER_CELL) {
int numRemaing = relationships.length - i;
sb.append('[');
sb.append(numRemaing);
sb.append(" more...]");
break;
}
sb.append(nextRelationship);
}
return sb.toString();
}
public static String formatSpdxElementList(SpdxElement[] elements) {
if (elements == null || elements.length == 0) {
return "";
}
StringBuilder sb;
if (elements[0] == null || elements[0].getId() == null ||
elements[0].getId().isEmpty()) {
sb = new StringBuilder("[UNKNOWNID]");
} else {
sb = new StringBuilder(elements[0].getId());
if (elements[0].getName() != null) {
sb.append('(');
sb.append(elements[0].getName());
sb.append(')');
}
}
for (int i = 1; i < elements.length; i++) {
sb.append(", ");
if (elements[i] == null || elements[i].getId() == null ||
elements[i].getId().isEmpty()) {
sb.append("[UNKNOWNID]");
} else {
sb.append(elements[i].getId());
if (elements[0].getName() != null) {
sb.append('(');
sb.append(elements[0].getName());
sb.append(')');
}
}
}
return sb.toString();
}
/**
* @param fileTypes
* @return
*/
public static String fileTypesToString(FileType[] fileTypes) {
if (fileTypes == null || fileTypes.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder(fileTypes[0].getTag());
for (int i = 1;i < fileTypes.length; i++) {
sb.append(", ");
String fileType = fileTypes[i].getTag();
if (sb.length() + fileType.length() > MAX_CHARACTERS_PER_CELL) {
int numRemaing = fileTypes.length - i;
sb.append('[');
sb.append(numRemaing);
sb.append(" more...]");
break;
}
sb.append(fileType);
}
return sb.toString();
}
/**
* @param typeStr
* @return
* @throws InvalidSPDXAnalysisException
*/
public static FileType[] parseFileTypeString(String typeStr) throws InvalidSPDXAnalysisException {
if (typeStr == null || typeStr.trim().isEmpty()) {
return new FileType[0];
}
String[] fileTypeStrs = typeStr.split(",");
FileType[] retval = new FileType[fileTypeStrs.length];
for (int i = 0; i < fileTypeStrs.length; i++) {
fileTypeStrs[i] = fileTypeStrs[i].trim();
if (fileTypeStrs[i].endsWith(",")) {
fileTypeStrs[i] = fileTypeStrs[i].substring(0, fileTypeStrs[i].length()-1);
fileTypeStrs[i] = fileTypeStrs[i].trim();
}
retval[i] = FileType.fromTag(fileTypeStrs[i]);
if (retval[i] == null) {
throw(new InvalidSPDXAnalysisException("Unrecognized file type "+fileTypeStrs[i]));
}
}
return retval;
}
/**
* @param checksumsString
* @return
* @throws InvalidSPDXAnalysisException
*/
public static Checksum[] strToChecksums(String checksumsString) throws InvalidSPDXAnalysisException {
if (checksumsString == null || checksumsString.trim().isEmpty()) {
return new Checksum[0];
}
String[] parts = checksumsString.split("\n");
Checksum[] retval = new Checksum[parts.length];
for (int i = 0; i < parts.length; i++) {
try {
retval[i] = parseChecksum(parts[i].trim());
} catch (InvalidSpdxTagFileException e) {
throw(new InvalidSPDXAnalysisException("Invalid checksum string: "+parts[i]));
}
}
return retval;
}
/**
* Creates a Checksum from the parameters specified in the tag value
* @param value
* @return
* @throws InvalidSpdxTagFileException
*/
public static Checksum parseChecksum(String value) throws InvalidSpdxTagFileException {
Matcher matcher = BuildDocument.CHECKSUM_PATTERN.matcher(value.trim());
if (!matcher.find()) {
throw(new InvalidSpdxTagFileException("Invalid checksum: "+value));
}
ChecksumAlgorithm algorithm = Checksum.CHECKSUM_TAG_TO_ALGORITHM.get(matcher.group(1));
if (algorithm == null) {
throw(new InvalidSpdxTagFileException("Invalid checksum algorithm: "+value));
}
return new Checksum(algorithm, matcher.group(2));
}
/**
* Convert external refs to a friendly string
* @param externalRefs
* @return
* @throws InvalidSPDXAnalysisException
*/
public static String externalRefsToString(ExternalRef[] externalRefs, String docNamespace) throws InvalidSPDXAnalysisException {
if (externalRefs == null || externalRefs.length == 0) {
return "";
}
StringBuilder sb = new StringBuilder(externalRefToString(externalRefs[0], docNamespace));
for (int i = 1; i < externalRefs.length; i++) {
sb.append("; ");
sb.append(externalRefToString(externalRefs[i], docNamespace));
}
return sb.toString();
}
/**
* Convert a single external ref to a friendly string
* @param externalRef
* @param docNamespace
* @return
* @throws InvalidSPDXAnalysisException
*/
public static String externalRefToString(ExternalRef externalRef, String docNamespace) throws InvalidSPDXAnalysisException {
String category = null;
if (externalRef.getReferenceCategory() == null) {
category = "OTHER";
} else {
category = externalRef.getReferenceCategory().getTag();
}
String referenceType = null;
if (externalRef.getReferenceType() == null ||
externalRef.getReferenceType().getReferenceTypeUri() == null) {
referenceType = "[MISSING]";
} else {
try {
referenceType = ListedReferenceTypes.getListedReferenceTypes().getListedReferenceName(externalRef.getReferenceType().getReferenceTypeUri());
} catch (InvalidSPDXAnalysisException e) {
referenceType = null;
}
if (referenceType == null) {
referenceType = externalRef.getReferenceType().getReferenceTypeUri().toString();
if (docNamespace != null && !docNamespace.isEmpty() && referenceType.startsWith(docNamespace)) {
referenceType = referenceType.substring(docNamespace.length());
}
}
}
String referenceLocator = externalRef.getReferenceLocator();
if (referenceLocator == null) {
referenceLocator = "[MISSING]";
}
String retval = category + " " + referenceType + " " + referenceLocator;
if (externalRef.getComment() != null && !externalRef.getComment().isEmpty()) {
retval = retval + "(" + externalRef.getComment() + ")";
}
return retval;
}
}
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