001: /*
002: The contents of this file are subject to the Common Public Attribution License
003: Version 1.0 (the "License"); you may not use this file except in compliance with
004: the License. You may obtain a copy of the License at
005: http://www.projity.com/license . The License is based on the Mozilla Public
006: License Version 1.1 but Sections 14 and 15 have been added to cover use of
007: software over a computer network and provide for limited attribution for the
008: Original Developer. In addition, Exhibit A has been modified to be consistent
009: with Exhibit B.
010:
011: Software distributed under the License is distributed on an "AS IS" basis,
012: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the
013: specific language governing rights and limitations under the License. The
014: Original Code is OpenProj. The Original Developer is the Initial Developer and
015: is Projity, Inc. All portions of the code written by Projity are Copyright (c)
016: 2006, 2007. All Rights Reserved. Contributors Projity, Inc.
017:
018: Alternatively, the contents of this file may be used under the terms of the
019: Projity End-User License Agreeement (the Projity License), in which case the
020: provisions of the Projity License are applicable instead of those above. If you
021: wish to allow use of your version of this file only under the terms of the
022: Projity License and not to allow others to use your version of this file under
023: the CPAL, indicate your decision by deleting the provisions above and replace
024: them with the notice and other provisions required by the Projity License. If
025: you do not delete the provisions above, a recipient may use your version of this
026: file under either the CPAL or the Projity License.
027:
028: [NOTE: The text of this license may differ slightly from the text of the notices
029: in Exhibits A and B of the license at http://www.projity.com/license. You should
030: use the latest text at http://www.projity.com/license for your modifications.
031: You may not remove this license text from the source files.]
032:
033: Attribution Information: Attribution Copyright Notice: Copyright � 2006, 2007
034: Projity, Inc. Attribution Phrase (not exceeding 10 words): Powered by OpenProj,
035: an open source solution from Projity. Attribution URL: http://www.projity.com
036: Graphic Image as provided in the Covered Code as file: openproj_logo.png with
037: alternatives listed on http://www.projity.com/logo
038:
039: Display of Attribution Information is required in Larger Works which are defined
040: in the CPAL as a work which combines Covered Code or portions thereof with code
041: not governed by the terms of the CPAL. However, in addition to the other notice
042: obligations, all copies of the Covered Code in Executable and Source Code form
043: distributed must, as a form of attribution of the original author, include on
044: each user interface screen the "OpenProj" logo visible to all users. The
045: OpenProj logo should be located horizontally aligned with the menu bar and left
046: justified on the top left of the screen adjacent to the File menu. The logo
047: must be at least 100 x 25 pixels. When users click on the "OpenProj" logo it
048: must direct them back to http://www.projity.com.
049: */
050: package com.projity.server.access;
051:
052: import java.io.PrintWriter;
053: import java.io.StringWriter;
054: import java.io.Writer;
055: import java.util.HashSet;
056:
057: import com.projity.session.Session;
058: import com.projity.session.SessionFactory;
059: import com.projity.util.Environment;
060:
061: public class ErrorLogger {
062: public static boolean disabled = Environment.getStandAlone();
063: private static HashSet<String> loggedErrors = new HashSet<String>();
064:
065: public static void log(final Exception e) {
066: if (disabled)
067: return;
068: new Thread() {
069: public void run() {
070: Session session = SessionFactory.getInstance()
071: .getSession(false);
072: if (session != null)
073: session.logException(e);
074: }
075: }.start();
076: }
077:
078: public static void log(String s, Exception e) {
079: String result = s + "\n" + getStackTrace(e);
080: log(result);
081: }
082:
083: public static void log(final String s) {
084: if (disabled)
085: return;
086: new Thread() {
087: public void run() {
088: Session session = SessionFactory.getInstance()
089: .getSession(false);
090: if (session != null)
091: session.logString(s);
092: }
093: }.start();
094: }
095:
096: public static String getStackTrace(Throwable aThrowable) {
097: if (aThrowable == null) {
098: try {
099: throw new Exception("Simulated Exception");
100: } catch (Exception e) {
101: aThrowable = e; // this will give a meaningful stack if none given
102: }
103: }
104: final Writer result = new StringWriter();
105: final PrintWriter printWriter = new PrintWriter(result);
106: aThrowable.printStackTrace(printWriter);
107: return result.toString();
108: }
109:
110: public static synchronized void logOnce(String type, String s,
111: Exception e) {
112: if (loggedErrors.contains(type)) // if have already added it, do nothing
113: return;
114: loggedErrors.add(type);
115: log(s, e);
116: }
117:
118: }
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