diff options
Diffstat (limited to 'org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/tasklist/StackTrace.java')
| -rw-r--r-- | org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/tasklist/StackTrace.java | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/tasklist/StackTrace.java b/org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/tasklist/StackTrace.java deleted file mode 100644 index d70e4f06c..000000000 --- a/org.eclipse.mylyn.bugzilla.ui/src/org/eclipse/mylyn/internal/bugzilla/ui/tasklist/StackTrace.java +++ /dev/null @@ -1,375 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004 - 2006 University Of British Columbia 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: - * University Of British Columbia - initial API and implementation - *******************************************************************************/ - -package org.eclipse.mylar.internal.bugzilla.ui.tasklist; - -import java.util.ArrayList; -import java.util.List; - -/** - * Class to hold all of the information about a stack trace - * - * @author Shawn Minto - */ -public class StackTrace { - - /** The length of the stack trace in the original string */ - private int length; - - /** The offset of the stack trace in the orignal string */ - private int offset; - - /** The string of the stack trace */ - private String stackTrace; - - /** - * This is the comment that the stack trace appeared in. String if - * desciption else Comment - */ - private Object comment; - - /** - * Constructor - * - * @param stackTrace - * The stack trace string - * @param offset - * The offset of the stack trace in the original string - * @param length - * The length of the stack trace in the original string - * @param comment - * The comment that the stack trace came from - */ - public StackTrace(String stackTrace, int offset, int length, Object comment) { - this.stackTrace = stackTrace; - this.offset = offset; - this.length = length; - this.comment = comment; - } - - /** - * Get the offset for the stack trace - * - * @return Returns the offset. - */ - public int getOffset() { - return offset; - } - - /** - * Get the stack trace for the bug - * - * @return Returns the stackTrace. - */ - public String getStackTrace() { - return stackTrace; - } - - /** - * Get the length of the bug - * - * @return Returns the length. - */ - public int getLength() { - return length; - } - - /** - * Get the Comment that this stack trace came from - * - * @return Returns the Comment if it was a comment else a String if it was - * the description - */ - public Object getComment() { - return comment; - } - - /** - * Find a standard java stack trace in the given string - * - * - * @param s - * The string to search for stack traces - * @param comment - * The comment that the text came from.<br> - * Comment if a comment else a String - * @return String[] of stack traces - each element is 1 trace - */ - public static StackTrace[] getStackTrace(String s, Object comment) { - - // setup the regex used to determine if it looks like we are at a - // stack trace and whether it is something that should be skipped - String regexExceptionType = "^(.*\\.)+.+(Exception|Error|Throwable).*"; - String regexSkip = ".*\\.\\..*"; - - // get all of the individual lines for the string - String[] lines = s.split("\r\n|\n"); - - // the character start of the current stack trace - int charStackStart = 0; - - // the current character in the string - used for the start and the - // offset - int[] charPos = { 0 }; // array so pass by reference - - boolean inStackTrace = false; - List<String> stackTrace = null; - List<StackTrace> stackTraces = new ArrayList<StackTrace>(); - - // go through each of the lines of the string - for (int i = 0; i < lines.length; i++) { - - if (lines[i].matches(regexSkip)) { - - // update the current character position - charPos[0] += lines[i].length() + 2; - - } else if (lines[i].trim().matches(regexExceptionType) && !inStackTrace) { - - // we have matched the stack trace and we are not already in one - - // add the old stack trace to the list of stack traces - if (stackTrace != null && stackTrace.size() > 1) { - stackTraces.add(getStackTrace(stackTrace, charStackStart, charPos[0] - charStackStart, comment)); - } - - // prepare for a new stack trace - stackTrace = new ArrayList<String>(); - inStackTrace = true; - - // the current line is the start of our stack trace - stackTrace.add(lines[i]); - charStackStart = charPos[0]; - charPos[0] += lines[i].length() + 2; - } else if (inStackTrace) { - // we are in a stack trace - - int[] pos = { i }; // array so pass by reference - - // get the next at clause of the stack trace - String stack = getNextAt(lines, pos, charPos); - - // check if there was an at - if (stack == null) { - - // there wasn't so we are done this stack trace - inStackTrace = false; - if (stackTrace != null && stackTrace.size() > 1) { - stackTraces - .add(getStackTrace(stackTrace, charStackStart, charPos[0] - charStackStart, comment)); - } - stackTrace = null; - } else { - - // we had one, so add it to this stack trace - stackTrace.add(stack); - } - - // update the position - i = pos[0]; - } else { - // update the current character position - charPos[0] += lines[i].length() + 2; - } - } - - // make sure to add the stack trace if it was the last in the string - if (stackTrace != null && stackTrace.size() > 1) { - stackTraces.add(getStackTrace(stackTrace, charStackStart, charPos[0] - charStackStart, comment)); - } - - if (stackTraces.size() == 0) - return null; - - // get the string values of the stack traces and return it - return getTracesFromList(stackTraces); - } - - /** - * Get the next at clause from a potential stack trace -- looks ahead 4 - * lines - * - * @param lines - * The array of all of the lines in the bug - * @param i - * The current position to start at - * @param charPos - * The current character position in the original string - * @return The next at clause, or <code>null</code><br> - * If an at line is matched, but the end isn't within the 4 lines, - * only the first line is returned. Also, charPos is updated as well - * as i - */ - private static String getNextAt(String[] lines, int[] i, int[] charPos) { - String regexAtString = "^at.*"; - String regexEndString = ".*:\\d+\\)$"; - int index = i[0]; - String l1, l2, l3, l4; - l1 = l2 = l3 = l4 = null; - String res = null; - - // get the first line to look at - if (lines.length > index) { - l1 = lines[index]; - } else { - // if the first line doesn't exist, we are done and should - // return - return null; - } - - // get the next 3 lines - if (lines.length > index + 1) { - l2 = lines[index + 1]; - } - if (lines.length > index + 2) { - l3 = lines[index + 2]; - } - if (lines.length > index + 3) { - l4 = lines[index + 3]; - } - - // make sure that the first line is the start of an at - // if not, return null - if (l1.trim().matches(regexAtString)) { - charPos[0] += l1.length() + 2; - res = l1; - } else - return null; - - // now determine where the end is if it wasn't on 1 line - if (!res.trim().matches(regexEndString)) { - - if (l2 != null && l2.trim().matches(regexEndString)) { - - // it was on the second line - // update the current position and the result string - i[0] = index + 1; - charPos[0] += l2.length() + 2; - res += l2.trim(); - } else if (l3 != null && l3.trim().matches(regexEndString)) { - - // it was on the third line - // update the current position and the result string - i[0] = index + 2; - charPos[0] += l2.length() + l3.length() + 4; - res += l2.trim(); - res += l3.trim(); - } else if (l4 != null && l4.trim().matches(regexEndString)) { - - // it was on the fourth line - // update the current position and the result string - i[0] = index + 3; - charPos[0] += l2.length() + l3.length() + l4.length() + 6; - res += l2.trim(); - res += l3.trim(); - res += l4.trim(); - } - } - - // return the result - return res; - } - - /** - * Get the StackTrace - * - * @param l - * the list of lines that contain the trace - * @param start - * the start of the stack trace - * @param offset - * the offset of the stack trace - * @param comment - * The comment that the stack trace came from - * @return The StackTrace for the given data - */ - private static StackTrace getStackTrace(List<String> l, int offset, int length, Object comment) { - String s = ""; - for (String s2 : l) { - s += s2 + "\r\n"; - } - - return new StackTrace(s, offset, length, comment); - } - - /** - * Convert a List StackTraces to a StackTrace[] <br> - * - * @param l - * The List of StackTraces - * @return StackTrace[] of the List - */ - private static StackTrace[] getTracesFromList(List<StackTrace> l) { - - // make sure that there is something to convert, else return null - if (l == null || l.size() == 0) - return null; - - // convert the list of strings to an array of strings - int i = 0; - StackTrace[] s = new StackTrace[l.size()]; - - for (StackTrace st : l) { - s[i] = st; - i++; - } - - // return the string array - return s; - } - - /** - * Escape all of the special regex characters from the string - * - * @param s - * The string to escape the characters for - * @return A string with all of the special characters escaped <br> - * <code> - * . => \.<br> - * $ => \$<br> - * ? => \?<br> - * { => \{<br> - * } => \}<br> - * ( => \(<br> - * ) => \)<br> - * [ => \[<br> - * ] => \]<br> - * + => \+<br> - * * => \*<br> - * | => \|<br> - * ^ => \^<br> - * \ => \\<br> - * / => \/<br> - * </code> - */ - public static String escapeForRegex(String s) { - String sFixed = s; - - // replace all special regex characters - sFixed = sFixed.replaceAll("\\\\", "\\\\\\\\"); - sFixed = sFixed.replaceAll("\\$", "\\\\\\$"); - sFixed = sFixed.replaceAll("\\.", "\\\\."); - sFixed = sFixed.replaceAll("\\?", "\\\\?"); - sFixed = sFixed.replaceAll("\\{", "\\\\{"); - sFixed = sFixed.replaceAll("\\}", "\\\\}"); - sFixed = sFixed.replaceAll("\\(", "\\\\("); - sFixed = sFixed.replaceAll("\\)", "\\\\)"); - sFixed = sFixed.replaceAll("\\[", "\\\\["); - sFixed = sFixed.replaceAll("\\]", "\\\\]"); - sFixed = sFixed.replaceAll("\\+", "\\\\+"); - sFixed = sFixed.replaceAll("\\*", "\\\\*"); - sFixed = sFixed.replaceAll("\\|", "\\\\|"); - sFixed = sFixed.replaceAll("\\^", "\\\\^"); - sFixed = sFixed.replaceAll("\\/", "\\\\/"); - - return sFixed; - } -} |