diff options
Diffstat (limited to 'org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/internal/bugzilla/core/history/BugzillaTaskHistoryParser.java')
| -rw-r--r-- | org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/internal/bugzilla/core/history/BugzillaTaskHistoryParser.java | 236 |
1 files changed, 0 insertions, 236 deletions
diff --git a/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/internal/bugzilla/core/history/BugzillaTaskHistoryParser.java b/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/internal/bugzilla/core/history/BugzillaTaskHistoryParser.java deleted file mode 100644 index 6c6e44c3c..000000000 --- a/org.eclipse.mylyn.bugzilla.core/src/org/eclipse/mylyn/internal/bugzilla/core/history/BugzillaTaskHistoryParser.java +++ /dev/null @@ -1,236 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2008 Tasktop Technologies and others. - * 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: - * John Anvik - initial API and implementation - *******************************************************************************/ - -package org.eclipse.mylyn.internal.bugzilla.core.history; - -/** - * @author John Anvik - */ -import java.io.BufferedReader; -import java.io.IOException; -import java.io.InputStream; -import java.io.InputStreamReader; -import java.text.ParseException; -import java.util.Iterator; -import java.util.Locale; - -import javax.security.auth.login.LoginException; -import javax.swing.text.html.HTML.Tag; - -import org.apache.commons.lang.StringEscapeUtils; -import org.eclipse.mylyn.commons.net.HtmlStreamTokenizer; -import org.eclipse.mylyn.commons.net.HtmlTag; -import org.eclipse.mylyn.commons.net.HtmlStreamTokenizer.Token; -import org.eclipse.mylyn.internal.bugzilla.core.BugzillaLanguageSettings; - -/** - * Parses Bugzilla bug activity page to fill in a BugActivity object - * - * @author John Anvik - */ - -public class BugzillaTaskHistoryParser { - - private final InputStream inStream; - - private final String characterEncoding; - - public BugzillaTaskHistoryParser(InputStream inStream, String characterEncoding) { - this.inStream = inStream; - this.characterEncoding = characterEncoding; - } - - /** - * Parse the activity page for events - * - * @return A BugActivity object containing the activity history - */ - public TaskHistory retrieveHistory(BugzillaLanguageSettings bugzillaLanguageSettings) throws IOException, - ParseException, LoginException { - TaskHistory activity = new TaskHistory(); - HtmlStreamTokenizer tokenizer = new HtmlStreamTokenizer(new BufferedReader(new InputStreamReader(inStream, - characterEncoding)), null); - - boolean isTitle = false; - boolean possibleBadLogin = false; - String title = ""; //$NON-NLS-1$ - - for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) { - // make sure that bugzilla doesn't want us to login - if (token.getType() == Token.TAG && ((HtmlTag) (token.getValue())).getTagType() == Tag.TITLE - && !((HtmlTag) (token.getValue())).isEndTag()) { - isTitle = true; - continue; - } - - if (isTitle) { - // get all of the data from inside of the title tag - if (token.getType() != Token.TAG) { - title += ((StringBuffer) token.getValue()).toString().toLowerCase() + " "; //$NON-NLS-1$ - continue; - } else if (token.getType() == Token.TAG && ((HtmlTag) token.getValue()).getTagType() == Tag.TITLE - && ((HtmlTag) token.getValue()).isEndTag()) { - // check if we may have a problem with login by looking - // at - // the title of the page - boolean found = false; - for (Iterator<String> iterator = bugzillaLanguageSettings.getResponseForCommand( - BugzillaLanguageSettings.COMMAND_BAD_LOGIN).iterator(); iterator.hasNext() && !found;) { - String value = iterator.next().toLowerCase(Locale.ENGLISH); - found = found || title.indexOf(value) != -1; - } - if (found) { - possibleBadLogin = true; - } - isTitle = false; - title = ""; //$NON-NLS-1$ - } - continue; - } - - if (token.getType() == Token.TAG) { - HtmlTag tag = (HtmlTag) token.getValue(); - // Skip till find <br> - "there can be only one" - if (tag.getTagType() == Tag.BR && !tag.isEndTag()) { - // skip tags until start of real data - while (true) { - token = tokenizer.nextToken(); - if (token.getType() == Token.TAG) { - tag = (HtmlTag) token.getValue(); - if ((tag.isEndTag() && tag.getTagType() == Tag.TR) || tag.getTagType() == Tag.P) { - break; - } - } - } - parseActivity(tokenizer, activity); - } - } - } - - // if we don't have any keywords and suspect that there was a login - // problem, assume we had a login problem - if (activity.size() == 0 && possibleBadLogin) { - throw new LoginException("Bugzilla login information incorrect"); //$NON-NLS-1$ - } - return activity; - } - - /** - * Parse the events that have happened to the bug - * - * @param tokenizer - * the token stream - * @param activity - * the activity object to store the events in - * @return - */ - private void parseActivity(HtmlStreamTokenizer tokenizer, TaskHistory activity) throws IOException, ParseException { - HtmlTag tag; - - for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) { - if (token.getType() == Token.TAG) { - tag = (HtmlTag) token.getValue(); - - // End of events - if (tag.getTagType() == Tag.TABLE && tag.isEndTag()) { - break; - } - - // Get event entry - this.parseEvent(tokenizer, activity); - } - } - } - - /** - * Parse an activity entry - * - * @param tokenizer - * the stream of tokens - * @param activity - * the activity object to store events in - */ - private void parseEvent(HtmlStreamTokenizer tokenizer, TaskHistory activity) { - - HtmlTag tag; - int numChanges = 0; - - try { - // Discover how many changes for this entry - for (Token token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) { - if (token.getType() == Token.TAG) { - tag = (HtmlTag) token.getValue(); - if (tag.getTagType() == Tag.TD && tag.hasAttribute("rowspan")) { //$NON-NLS-1$ - numChanges = tag.getIntAttribute("rowspan"); //$NON-NLS-1$ - break; - } - } - } - } catch (NumberFormatException e) { - e.printStackTrace(); - } catch (IOException e) { - e.printStackTrace(); - } catch (ParseException e) { - e.printStackTrace(); - } - - String name = getData(tokenizer); - String date = getData(tokenizer); - - String what, removed, added; - TaskRevision event; - for (int change = 0; change < numChanges; change++) { - what = getData(tokenizer); - removed = getData(tokenizer); - added = getData(tokenizer); - - event = TaskRevision.createEvent(what, added); - event.setName(name); - event.setDate(date); - event.setRemoved(removed); - - activity.addEvent(event); - } - } - - private String getData(HtmlStreamTokenizer tokenizer) { - - Token token; - HtmlTag tag; - StringBuffer sb = new StringBuffer(); - - try { - for (token = tokenizer.nextToken(); token.getType() != Token.EOF; token = tokenizer.nextToken()) { - if (token.getType() == Token.TAG) { - tag = (HtmlTag) token.getValue(); - if (tag.getTagType() == Tag.TD && tag.isEndTag()) { - String data = StringEscapeUtils.unescapeHtml(sb.toString()); - if (data.startsWith("\n") && (data.contains("Attachment") == false)) { //$NON-NLS-1$ //$NON-NLS-2$ - data = ""; // empty field //$NON-NLS-1$ - } - return data; - } - } - if (token.getType() == Token.TEXT) { - sb.append(token.toString()); - } - } - } catch (IOException e) { - e.printStackTrace(); - } catch (ParseException e) { - e.printStackTrace(); - } catch (Exception e) { - e.printStackTrace(); - } - return null; - } - -} |