| 1 | /* |
| 2 | * $Id: EventLogHandler.java,v 1.1 2006/03/07 17:52:10 hastings Exp $ |
| 3 | * |
| 4 | * (c) Copyright, Moebius Solutions, Inc., 2004 |
| 5 | * |
| 6 | * All Rights Reserved |
| 7 | * |
| 8 | * This material may be reproduced by or for the U. S. Government |
| 9 | * pursuant to the copyright license under the clause at |
| 10 | * DFARS 252.227-7014 (OCT 2001). |
| 11 | */ |
| 12 | package com.moesol.bindings.platform_sdk.debugging_and_error_handling; |
| 13 | |
| 14 | import java.util.logging.ErrorManager; |
| 15 | import java.util.logging.Formatter; |
| 16 | import java.util.logging.Handler; |
| 17 | import java.util.logging.Level; |
| 18 | import java.util.logging.LogRecord; |
| 19 | import java.util.logging.SimpleFormatter; |
| 20 | |
| 21 | import com.moesol.bindings.platform_sdk.component_services.COMException; |
| 22 | import com.moesol.bindings.platform_sdk.component_services.HRESULT; |
| 23 | import com.moesol.bindings.platform_sdk.windows_api.PlatformSDK; |
| 24 | |
| 25 | /** |
| 26 | * Copy java logging records to Windows Event Log. |
| 27 | * |
| 28 | * @author Hastings |
| 29 | */ |
| 30 | public class EventLogHandler extends Handler { |
| 31 | |
| 32 | // |
| 33 | // The types of events that can be logged. |
| 34 | // |
| 35 | public static final int EVENTLOG_SUCCESS = 0x0000; |
| 36 | public static final int EVENTLOG_ERROR_TYPE = 0x0001; |
| 37 | public static final int EVENTLOG_WARNING_TYPE = 0x0002; |
| 38 | public static final int EVENTLOG_INFORMATION_TYPE = 0x0004; |
| 39 | public static final int EVENTLOG_AUDIT_SUCCESS = 0x0008; |
| 40 | public static final int EVENTLOG_AUDIT_FAILURE = 0x0010; |
| 41 | |
| 42 | public EventLogHandler() { |
| 43 | super(); |
| 44 | |
| 45 | if (getFormatter() == null) { |
| 46 | setFormatter(new SimpleFormatter()); |
| 47 | } |
| 48 | } |
| 49 | public void publish(LogRecord record) { |
| 50 | if (!isLoggable(record)) { |
| 51 | return; |
| 52 | } |
| 53 | |
| 54 | Formatter fmt = getFormatter(); |
| 55 | String msg = fmt.format(record); |
| 56 | int nt_eventlog_level = computeNtEventLogLevel(record.getLevel()); |
| 57 | if (!ReportEvent(nt_eventlog_level, msg)) { |
| 58 | reportError( |
| 59 | "ReportEvent failed", |
| 60 | new COMException(HRESULT.HRESULT_FROM_NT(PlatformSDK.GetLastError())), |
| 61 | ErrorManager.WRITE_FAILURE |
| 62 | ); |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | private int computeNtEventLogLevel(Level level) { |
| 67 | if (level.intValue() >= Level.SEVERE.intValue()) { |
| 68 | return EVENTLOG_ERROR_TYPE; |
| 69 | } |
| 70 | if (level.intValue() >= Level.WARNING.intValue()) { |
| 71 | return EVENTLOG_WARNING_TYPE; |
| 72 | } |
| 73 | if (level.intValue() >= Level.INFO.intValue()) { |
| 74 | return EVENTLOG_INFORMATION_TYPE; |
| 75 | } |
| 76 | |
| 77 | return EVENTLOG_SUCCESS; |
| 78 | } |
| 79 | |
| 80 | private boolean ReportEvent(int nt_eventlog_level, String msg) { |
| 81 | return jni_ReportEvent(nt_eventlog_level, msg); |
| 82 | } |
| 83 | |
| 84 | private static native boolean jni_ReportEvent(int nt_eventlog_level, String msg); |
| 85 | |
| 86 | public void flush() { |
| 87 | // done |
| 88 | } |
| 89 | |
| 90 | public void close() throws SecurityException { |
| 91 | // done |
| 92 | } |
| 93 | |
| 94 | } |