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|
/*******************************************************************************
* Copyright (c) 2012 Boeing.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.skynet.core.importing.parsers;
import java.io.File;
import java.io.FileFilter;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.List;
import java.util.ListIterator;
import java.util.Map;
import java.util.Vector;
import org.cyberneko.html.parsers.SAXParser;
import org.eclipse.osee.framework.core.data.IAttributeType;
import org.eclipse.osee.framework.core.enums.CoreArtifactTypes;
import org.eclipse.osee.framework.core.enums.CoreAttributeTypes;
import org.eclipse.osee.framework.core.exception.OseeCoreException;
import org.eclipse.osee.framework.core.operation.OperationLogger;
import org.eclipse.osee.framework.jdk.core.util.GUID;
import org.eclipse.osee.framework.jdk.core.util.Strings;
import org.eclipse.osee.framework.jdk.core.util.io.xml.AbstractSaxHandler;
import org.eclipse.osee.framework.skynet.core.artifact.Artifact;
import org.eclipse.osee.framework.skynet.core.importing.RoughArtifact;
import org.eclipse.osee.framework.skynet.core.importing.RoughArtifactKind;
import org.eclipse.osee.framework.skynet.core.importing.operations.RoughArtifactCollector;
import org.eclipse.osee.framework.skynet.core.utility.NormalizeHtml;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* @author Marc A. Potter
*/
public class DoorsArtifactExtractor extends AbstractArtifactExtractor {
private final Vector<String> postProcessGuids = new Vector<String>();
private final Map<Integer, RowTypeEnum> rowIndexToRowTypeMap = new HashMap<Integer, RowTypeEnum>();
private String[] headerRow;
private RoughArtifactCollector collector;
private boolean inArtifact = false;
private final Vector<String> theArtifact = new Vector<String>();
private String paragraphNumber = "", paragraphName = "";
private String uriDirectoryName = "";
private final static String NAME_TAG = "<a name=";
private final static String CLOSING_A_TAG = "</a>";
private final static String BR_TAG = "<br />";
private final static String BODY_START_TAG = "<body>";
private final static String BODY_END_TAG = "</body>";
private final static String IMAGE_BASE_NAME = "Image Content_";
private final static String[] VERIFICATION_KEYWORDS = {
"Effectivity:",
"Verf Method:",
"Verf Level:",
"Verf Location:",
"Verf Type:",
"Verified By:",
"Criteria:"};
private final static IAttributeType[] FIELD_TYPE = {
null,
CoreAttributeTypes.QualificationMethod,
CoreAttributeTypes.VerificationLevel,
CoreAttributeTypes.VerificationEvent,
null,
null,
null}; // Last one is actually a string
private String guidString = "";
private boolean isRequirement;
private String subsystem;
@Override
public String getDescription() {
return "Extract artifacts from a DOORS HTML table export file ";
}
@Override
public FileFilter getFileFilter() {
return new FileFilter() {
@Override
public boolean accept(File file) {
return file.isDirectory() || file.isFile() && file.getName().endsWith(".htm");
}
};
}
@Override
public String getName() {
return "DOORS HTML Table export file";
}
@Override
public boolean usesTypeList() {
return false;
}
private class Handler extends AbstractSaxHandler {
private boolean isTitle = false;
private final Vector<String> currentRow = new Vector<String>();
private final StringBuilder cell = new StringBuilder("");
private boolean tableFound = false;
private int embededTableCount = 0;
private boolean inHeaderCell = false;
public Handler() {
}
private String elementToString(String qName, Attributes attributes, boolean isEndElement) {
StringBuilder returnValue = new StringBuilder("<");
if (isEndElement) {
returnValue.append('/');
}
returnValue.append(qName);
if (attributes != null) {
for (int i = 0; i < attributes.getLength(); i++) {
returnValue.append(" ");
returnValue.append(attributes.getQName(i));
String value = attributes.getValue(i);
if (Strings.isValid(value)) {
returnValue.append("=\"");
returnValue.append(value);
returnValue.append('"');
}
}
}
returnValue.append(">");
return returnValue.toString();
}
@Override
public void startElementFound(String uri, String localName, String qName, Attributes attributes) {
isTitle = false;
if (qName.equalsIgnoreCase("title")) {
cell.delete(0, cell.length());
isTitle = true;
} else if (qName.equalsIgnoreCase("table")) {
if (tableFound) {
// table within the table
cell.append(elementToString(qName, attributes, false));
embededTableCount++;
} else {
tableFound = true;
}
} else if (qName.equalsIgnoreCase("tr")) {
// Do nothing here -- no processing needed
} else if (qName.equalsIgnoreCase("th")) {
if (embededTableCount > 0) {
// table within the table
cell.append(elementToString(qName, attributes, false));
} else {
inHeaderCell = true;
cell.delete(0, cell.length());
}
} else if (qName.equalsIgnoreCase("td")) {
if (embededTableCount > 0) {
// table within the table
cell.append(elementToString(qName, attributes, false));
} else {
cell.delete(0, cell.length());
}
} else {
cell.append(elementToString(qName, attributes, false));
}
}
@Override
public void endElementFound(String uri, String localName, String qName) throws SAXException {
isTitle = false;
if (qName.equalsIgnoreCase("title")) {
foundStartOfWorksheet(cell.toString());
cell.delete(0, cell.length());
} else if (qName.equalsIgnoreCase("table")) {
if (embededTableCount > 0) {
// end of table within the table
cell.append(elementToString(qName, null, true));
embededTableCount--;
} else {
// we are done!
tableFound = false;
}
} else if (qName.equalsIgnoreCase("tr")) {
if (embededTableCount == 0) {
String[] row = new String[currentRow.size()];
row = currentRow.toArray(row);
currentRow.clear();
if (inHeaderCell) {
processHeaderRow(row);
inHeaderCell = false;
} else {
try {
processRow(row);
} catch (OseeCoreException ex) {
throw new SAXException(ex);
}
}
}
} else if (qName.equalsIgnoreCase("th")) {
if (embededTableCount > 0) {
// table within the table
cell.append(elementToString(qName, null, true));
} else {
currentRow.add(cell.toString());
cell.delete(0, cell.length());
}
} else if (qName.equalsIgnoreCase("td")) {
if (embededTableCount > 0) {
// table within the table
cell.append(elementToString(qName, null, true));
} else {
currentRow.add(cell.toString());
cell.delete(0, cell.length());
}
} else {
cell.append(elementToString(qName, null, true));
}
}
@Override
public void characters(char ch[], int start, int length) {
for (int i = 0; i < length; i++) {
cell.append(Character.toString(ch[i + start]));
}
String title = "";
if (isTitle) {
title = cell.toString();
title = title.replaceAll("/", "_");
title = title.replaceAll(" ", "_");
if (title.equals("")) {
title = "empty_title";
}
try {
RoughArtifact roughArtifact = new RoughArtifact(RoughArtifactKind.CONTAINER);
roughArtifact.addAttribute(CoreAttributeTypes.Name, title.trim());
roughArtifact.setGuid(GUID.create());
roughArtifact.setSectionNumber("0");
collector.addRoughArtifact(roughArtifact);
isTitle = false;
} catch (OseeCoreException ex) {
// do nothing
}
}
}
@Override
public void endDocument() throws SAXException {
try {
processArtifact();
} catch (OseeCoreException ex) {
throw new SAXException(ex);
}
}
}
@Override
public void extractFromSource(OperationLogger logger, URI source, RoughArtifactCollector collector) throws Exception {
/**************************************************************
* DOORS uses non standard HTML. Read in the file and standardize it
*/
postProcessGuids.clear();
inArtifact = false;
theArtifact.clear();
paragraphNumber = "";
paragraphName = "";
isRequirement = false;
subsystem = "";
this.collector = collector;
String fileName = source.getAuthority();
if (fileName == null) {
fileName = "";
}
fileName += source.getPath();
fileName = "file://" + fileName;
uriDirectoryName = fileName.substring(0, fileName.lastIndexOf('/') + 1);
SAXParser parser = new SAXParser();
Handler theHandler = new Handler();
parser.setContentHandler(theHandler);
parser.parse(fileName);
}
@Override
public void artifactCreated(Artifact theArtifact) {
String artifactGuid = theArtifact.getGuid();
if (postProcessGuids.contains(artifactGuid)) {
// need to modify the HTML so the image references the data stored in the
// artifact.
try {
List<Integer> Ids = theArtifact.getAttributeIds(CoreAttributeTypes.ImageContent);
List<String> HTML = theArtifact.getAttributeValues(CoreAttributeTypes.HTMLContent);
theArtifact.deleteAttributes(CoreAttributeTypes.HTMLContent);
for (String htmlVal : HTML) {
int iCount = 0;
for (Integer imageNumber : Ids) {
htmlVal = htmlVal.replaceAll(IMAGE_BASE_NAME + Integer.toString(iCount), imageNumber.toString());
iCount++;
}
theArtifact.addAttribute(CoreAttributeTypes.HTMLContent, htmlVal);
}
} catch (OseeCoreException e) {
// do nothing
}
}
}
private static enum RowTypeEnum {
ID("ID"),
REQUIREMENTS("Requirements"),
OBJECT_NUMBER("Object Number"),
IS_REQ("Req?"),
PARENT_ID("Parent ID"),
PARAGRAPH_HEADING("Paragraph Heading"),
DOCUMENT_APPLICABILITY("Document Applicability"),
VERIFICATION_CRITERIA("Verification Criteria (V-PIDS_Verification)"),
CHANGE_STATUS("Change Status"),
OBJECT_HEADING("Proposed Object Heading"),
OBJECT_TEXT("Proposed Object Text"),
CHANGE_RATIONALE("Change Rationale"),
LINKS("Links"),
GUID("OSEE GUID"),
SUBSYSTEM("Subsystem"),
OTHER("");
private final static Map<String, RowTypeEnum> rawStringToRowType = new HashMap<String, RowTypeEnum>();
public String _rowType;
RowTypeEnum(String rowType) {
_rowType = rowType;
}
public static synchronized RowTypeEnum fromString(String value) {
if (rawStringToRowType.isEmpty()) {
for (RowTypeEnum enumStatus : RowTypeEnum.values()) {
RowTypeEnum.rawStringToRowType.put(enumStatus._rowType, enumStatus);
}
}
RowTypeEnum returnVal = rawStringToRowType.get(value);
if (returnVal == null) {
if (value.indexOf("Requirements") != -1) {
returnVal = REQUIREMENTS;
}
}
return returnVal != null ? returnVal : OTHER;
}
}
public void foundStartOfWorksheet(String sheetName) {
// Nothing to do in DOORS file Leave in in case this changes (it is called at start)
}
public void processHeaderRow(String[] headerRow) {
this.headerRow = headerRow.clone();
for (int i = 0; i < this.headerRow.length; i++) {
String value = headerRow[i];
if (value != null) {
value = value.trim();
}
if (!Strings.isValid(value)) {
this.headerRow[i] = null;
} else {
RowTypeEnum rowTypeEnum = RowTypeEnum.fromString(value);
rowIndexToRowTypeMap.put(i, rowTypeEnum);
}
}
}
public void processRow(String[] row) throws OseeCoreException {
/***************************************************************
* First check the document applicability box, if it is empty this is a header row
*/
boolean isHeaderRow = false;
int rowIndex;
for (rowIndex = 0; rowIndex < row.length; rowIndex++) {
RowTypeEnum rowType = rowIndexToRowTypeMap.get(rowIndex);
if (rowType == RowTypeEnum.DOCUMENT_APPLICABILITY) {
String rowValue = row[rowIndex].toLowerCase();
if (rowValue.trim().equals("") || rowValue.trim().equals("<br></br>") || rowValue.trim().equals("<br>")) {
if (inArtifact) {
processArtifact();
}
inArtifact = false;
isHeaderRow = true;
}
break;
}
}
if (!rowIndexToRowTypeMap.isEmpty()) {
for (rowIndex = 0; rowIndex < row.length; rowIndex++) {
RowTypeEnum rowType = rowIndexToRowTypeMap.get(rowIndex);
String rowValue = row[rowIndex];
switch (rowType) {
case REQUIREMENTS:
if (isHeaderRow) {
// parse the row
String noHTML = clearHTML(rowValue);
String[] parsed = noHTML.split("[\n ]");
boolean foundNumber = false;
paragraphName = "";
for (int i = 0; i < parsed.length; i++) {
if (!parsed[i].equals("")) {
if (!foundNumber) {
paragraphNumber = parsed[i].trim();
foundNumber = true;
} else {
paragraphName += " " + parsed[i].trim();
}
}
}
rowValue = "";
}
break;
case ID:
break;
case DOCUMENT_APPLICABILITY:
break;
case VERIFICATION_CRITERIA:
break;
case PARENT_ID:
/**************
* TODO: Requirements trace GUID<-->GUID pair. Need an example
*/
break;
case GUID:
guidString = GUID.checkOrCreate(rowValue.trim());
break;
case IS_REQ:
isRequirement = rowValue.trim().equals("True");
break;
case SUBSYSTEM:
subsystem = rowValue.trim();
break;
case CHANGE_STATUS:
case OBJECT_HEADING:
case OBJECT_TEXT:
case CHANGE_RATIONALE:
case LINKS:
case OBJECT_NUMBER:
case PARAGRAPH_HEADING:
case OTHER:
break;
}
if (inArtifact) {
ListIterator<String> iter = theArtifact.listIterator(rowIndex);
String theColumnValue = iter.next();
theColumnValue += "\n" + rowValue.trim();
iter.set(theColumnValue);
} else {
theArtifact.add(rowValue.trim());
}
}
}
inArtifact = true;
}
private void processArtifact() throws OseeCoreException {
RoughArtifact roughArtifact = new RoughArtifact(RoughArtifactKind.PRIMARY);
roughArtifact.setSectionNumber(paragraphNumber.trim());
roughArtifact.addAttribute(CoreAttributeTypes.ParagraphNumber, paragraphNumber);
roughArtifact.addAttribute(CoreAttributeTypes.Name, paragraphName.trim());
if (!isRequirement) {
roughArtifact.setPrimaryArtifactType(CoreArtifactTypes.HeadingHTML);
roughArtifact.setRoughArtifactKind(RoughArtifactKind.SECONDARY);
}
if (!Strings.isValid(guidString)) {
guidString = GUID.create();
}
roughArtifact.setGuid(guidString);
guidString = "";
for (int rowIndex = 0; rowIndex < theArtifact.size(); rowIndex++) {
RowTypeEnum rowType = rowIndexToRowTypeMap.get(rowIndex);
String rowValue = theArtifact.get(rowIndex);
switch (rowType) {
case REQUIREMENTS:
StringBuffer imageFileList = new StringBuffer("");
getImageList(rowValue, imageFileList);
rowValue = normailizeHtml(rowValue);
String imageFile = imageFileList.toString();
if (!imageFile.isEmpty()) {
String theImage;
int comma = 0;
int imageNumber = 0;
postProcessGuids.add(guidString);
do {
comma = imageFile.indexOf(',');
if (comma == -1) {
theImage = uriDirectoryName + imageFile;
imageFile = " ";
} else {
theImage = uriDirectoryName + imageFile.substring(0, comma);
imageFile = imageFile.substring(comma + 1);
}
try {
URI imageURI = new URI(theImage);
roughArtifact.addAttribute("Image Content", imageURI);
rowValue = rowValue.replace(theImage, IMAGE_BASE_NAME + Integer.toString(imageNumber));
imageNumber++;
} catch (URISyntaxException e) {
e.printStackTrace();
}
} while (comma != -1);
}
if (Strings.isValid(rowValue)) {
roughArtifact.addAttribute(CoreAttributeTypes.HTMLContent, rowValue);
}
break;
case ID:
rowValue = rowValue.replaceAll("\n", ",");
roughArtifact.addAttribute(CoreAttributeTypes.LegacyId, rowValue);
break;
case SUBSYSTEM:
if (Strings.isValid(subsystem)) {
roughArtifact.addAttribute(CoreAttributeTypes.Subsystem, subsystem);
subsystem = "";
}
break;
case DOCUMENT_APPLICABILITY:
break;
case VERIFICATION_CRITERIA:
processVerification(rowValue, roughArtifact);
break;
case PARENT_ID:
/**************
* TODO: Requirements trace GUID<-->GUID pair. Need an example
*/
break;
case CHANGE_STATUS:
case OBJECT_HEADING:
case OBJECT_TEXT:
case CHANGE_RATIONALE:
case OTHER:
case LINKS:
default:
break;
}
}
collector.addRoughArtifact(roughArtifact);
inArtifact = false;
theArtifact.clear();
}
/**********************************************************************
* @param column value from the Verification type cell
* @param roughArtifact the artifact being populated
* @throws OseeCoreException
*/
public void processVerification(String column, RoughArtifact roughArtifact) throws OseeCoreException {
/**************************************************************
* The followings possibilities exist for this field 1) Field empty 2) Some/all keywords The keywords may not be
* filled in. In other words a keyword may be followed by a keyword instead of data.
*/
String trimmed = clearHTML(column);
if (trimmed.trim().isEmpty()) {
// empty
return;
}
/*****************************************************************
* There are some keywords that do not map-- need them in the list to check if there is data
*/
for (int i = 0; i < VERIFICATION_KEYWORDS.length; i++) {
// special case Criteria is a string attribute
if ((FIELD_TYPE[i] == null) && (!VERIFICATION_KEYWORDS[i].equals("Criteria:"))) {
continue;
}
int iStart = trimmed.indexOf(VERIFICATION_KEYWORDS[i]);
if (iStart != -1) {
boolean dataFound = true;
// any data?
String rest = trimmed.substring(iStart + VERIFICATION_KEYWORDS[i].length());
rest = rest.trim();
// is it empty?
dataFound = !rest.isEmpty();
for (int j = 0; (j < VERIFICATION_KEYWORDS.length) && dataFound; j++) {
dataFound = !rest.startsWith(VERIFICATION_KEYWORDS[j]);
}
if (dataFound) {
// find the data
int colon = rest.indexOf(':');
if (colon == -1) {
if (VERIFICATION_KEYWORDS[i].equals("Criteria:")) {
// special case Criteria is a string attribute
roughArtifact.addAttribute("Verification Acceptance Criteria", rest);
} else {
roughArtifact.addAttribute(FIELD_TYPE[i], rest);
}
} else {
// find the start of the keyword
boolean foundKeyword = false;
for (int j = 0; (j < VERIFICATION_KEYWORDS.length); j++) {
if (rest.indexOf(VERIFICATION_KEYWORDS[j]) == (colon - VERIFICATION_KEYWORDS[j].length() + 1)) {
roughArtifact.addAttribute(FIELD_TYPE[i],
rest.substring(0, rest.indexOf(VERIFICATION_KEYWORDS[j]) - 1));
foundKeyword = true;
break;
}
}
if (!foundKeyword) {
roughArtifact.addAttribute(FIELD_TYPE[i], rest);
}
}
}
}
}
}
public void reachedEndOfWorksheet() {
// do nothing
}
/*************************************************************
* @param inputHTML Input value of the requirements field (as exported from DOORS)
* @param imageFileList is a comma separated list of image file names in the HTML If there is an <img tag, add the
* file name of the image file in imageFile
*/
private void getImageList(String inputHTML, StringBuffer imageFileList) {
String outputHtml = inputHTML;
String Lower = outputHtml.toLowerCase();
int img = Lower.indexOf("img ");
imageFileList.setLength(0);
boolean first = true;
while (img != -1) {
int src = Lower.indexOf("src=", img);
if (src != -1) {
src += 4;
char qte = Lower.charAt(src);
int iEnd = Lower.indexOf(qte, src + 1);
if (first) {
imageFileList.append(inputHTML.substring(src + 1, iEnd));
first = false;
} else {
imageFileList.append("," + outputHtml.substring(src + 1, iEnd));
}
img = Lower.indexOf("img ", src);
} else {
img = -1;
}
}
}
/************************************************************
* @param input input string with HTML tags
* @return a string with the HTML tags removed
*/
private String clearHTML(String input) {
String returnValue = "", processString = input;
int openBracket = processString.indexOf('<'), closeBracket;
if (openBracket == -1) {
returnValue = input;
}
while (openBracket >= 0) {
/************************************************************
* if the bracket doesn't start the string, copy the start to the return (plus a space). Find the close bracket
* and continue until all tags are removed
*/
if (openBracket != 0) {
returnValue += processString.substring(0, openBracket) + " ";
}
closeBracket = processString.indexOf('>');
if (closeBracket > 0) {
processString = processString.substring(closeBracket + 1);
}
openBracket = processString.indexOf('<');
}
return returnValue;
}
private String normailizeHtml(String inputHtml) {
String returnValue = NormalizeHtml.convertToNormalizedHTML(inputHtml);
int bodyStart = returnValue.indexOf(BODY_START_TAG);
int bodyEnd = returnValue.indexOf(BODY_END_TAG);
if (bodyStart != -1) {
bodyStart += BODY_START_TAG.length();
if (bodyEnd == -1) {
bodyEnd = returnValue.length() - 1;
} else {
bodyEnd--;
}
if (bodyEnd <= bodyStart) {
returnValue = ""; // no body
} else {
returnValue = returnValue.substring(bodyStart, bodyEnd);
}
}
/************************************************************************
* The DOORS HTML starts with a tag "<a name="something"> -- remove this tag and the closing </a>
*/
int nameTag = returnValue.indexOf(NAME_TAG);
while (nameTag != -1) {
int endTag = returnValue.substring(nameTag).indexOf('>') + nameTag;
if (endTag > nameTag) {
endTag = returnValue.indexOf(CLOSING_A_TAG);
returnValue =
returnValue.substring(0, nameTag - 1) + returnValue.substring(endTag + CLOSING_A_TAG.length() + 1);
nameTag = returnValue.indexOf(NAME_TAG);
} else {
nameTag = -1;
}
}
/******************************************************************
* remove any closing <br />
* tags these are not meaningful
*/
returnValue = returnValue.trim();
int brTag = returnValue.lastIndexOf(BR_TAG);
while (brTag == returnValue.length() - BR_TAG.length()) {
returnValue = returnValue.substring(0, brTag).trim();
brTag = returnValue.lastIndexOf(BR_TAG);
}
return returnValue;
}
}
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