/*
* This file is protected by Copyright. Please refer to the COPYRIGHT file
* distributed with this source distribution.
*
* This file is part of REDHAWK core.
*
* REDHAWK core is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by the
* Free Software Foundation, either version 3 of the License, or (at your
* option) any later version.
*
* REDHAWK core is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package org.ossie.logging;
import java.util.Map;
import java.util.HashMap;
import java.util.ArrayList;
import java.net.InetAddress;
import java.net.URL;
import java.net.URLConnection;
import java.net.UnknownHostException;
import java.net.MalformedURLException;
import java.lang.management.*;
import java.lang.Exception;
import java.util.Properties;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.InputStreamReader;
import java.io.IOException;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Appender;
import org.apache.log4j.Category;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.Layout;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
import org.apache.log4j.LogManager;
import org.apache.log4j.PropertyConfigurator;
import org.apache.log4j.PatternLayout;
import org.apache.log4j.spi.LoggerRepository;
import org.apache.log4j.spi.HierarchyEventListener;
import org.apache.log4j.xml.DOMConfigurator;
import org.omg.CORBA.ORB;
import CF.LogLevels;
public class logging {
//
// This keys of the table are tokens to perform a match search against a stream of data. The values for the
// associative array are used to replace the contents of the matched tokens.
//
// The search tokens and replacements will be use to create a regular expression table that is feed
// to the boost::regex_replace method.
//
public static class MacroTable extends HashMap<String, String > {};
//
// Singleton that identifies RH_LogEventAppenders when they are used
//
protected static AppenderLibrary _appenderLibrary=null;
public enum LogConfigFormatType { JAVA_PROPS, XML_PROPS };
public static class ResourceCtx {
public String name="";
public String instance_id="";
public String domain_name="";
public String dom_path="";
public ResourceCtx( String name,
String id,
String dpath ) {
if ( name != null ) this.name=name;
if ( id != null ) this.instance_id=id;
if ( dpath != null ) {
dom_path=dpath;
String [] seg=_split_path(dpath);
if (seg.length > 1) {
domain_name=seg[0];
};
}
};
public void apply( MacroTable tbl ) {
SetResourceInfo( tbl, this );
};
public String get_path () {
return dom_path;
};
protected String [] _split_path( String dpath) {
String path=dpath;
if ( path.startsWith("/") ) {
path=path.substring(1);
}
return path.split("/");
};
};
public static class ComponentCtx extends ResourceCtx {
public String waveform="";
public String waveform_id="";
public ComponentCtx( String name,
String id,
String dpath )
{
super(name, id, dpath);
if ( dpath != null ) {
String [] seg=_split_path(dpath);
int n=0;
if ( seg.length > 1 ) {
domain_name = seg[n];
n++;
}
if ( seg.length > 0 ) {
waveform = seg[n];
waveform_id = seg[n];
}
}
};
public void apply( MacroTable tbl ){
SetComponentInfo( tbl, this );
};
};
public static class ServiceCtx extends ResourceCtx {
public String device_mgr="";
public String device_mgr_id="";
public ServiceCtx( String name,
String dpath )
{
super(name, "", dpath);
if ( dpath != null ){
String [] seg=_split_path(dpath);
int n=0;
if ( seg.length > 1 ) {
domain_name = seg[n];
n++;
}
if ( seg.length > 0 ) {
device_mgr = seg[n];
}
}
};
public void apply( MacroTable tbl ){
SetServiceInfo( tbl, this );
};
};
public static class DeviceCtx extends ResourceCtx {
public String device_mgr="";
public String device_mgr_id="";
public DeviceCtx( String name,
String id,
String dpath )
{
super(name, id, dpath);
if ( dpath != null ){
String [] seg=_split_path(dpath);
int n=0;
if ( seg.length > 1 ) {
domain_name = seg[n];
n++;
}
if ( seg.length > 0 ) {
device_mgr = seg[n];
}
}
};
public void apply( MacroTable tbl ){
SetDeviceInfo( tbl, this );
};
};
public static class DeviceMgrCtx extends ResourceCtx {
public DeviceMgrCtx( String name,
String id,
String dpath )
{
super(name, id, dpath);
if ( dpath != null ) {
String [] seg=_split_path(dpath);
int n=0;
if ( seg.length > 0 ) {
domain_name = seg[n];
n++;
}
}
};
public void apply( MacroTable tbl ){
SetDeviceMgrInfo( tbl, this );
};
};
//
// GetDefaultMacros
//
// returns a default set of search tokens and replacments strings...
//
//public static HashMap<String,String> GetDefaultMacros()
public static MacroTable GetDefaultMacros()
{
// No ":" , this will fail the regular expression
MacroTable ctx = new MacroTable();
ctx.put("@@@HOST.NAME@@@", "HOST.NO_NAME");
ctx.put("@@@HOST.IP@@@", "HOST.NO_IP");
ctx.put("@@@NAME@@@", "NO_NAME");
ctx.put("@@@INSTANCE@@@", "NO_INST");
ctx.put("@@@PID@@@", "NO_PID");
ctx.put("@@@DOMAIN.NAME@@@", "DOMAIN.NO_NAME");
ctx.put("@@@DOMAIN.PATH@@@", "DOMAIN.NO_PATH");
ctx.put("@@@DEVICE_MANAGER.NAME@@@", "DEV_MGR.NO_NAME");
ctx.put("@@@DEVICE_MANAGER.INSTANCE@@@", "DEV_MGR.NO_INST");
ctx.put("@@@SERVICE.NAME@@@", "SERVICE.NO_NAME");
ctx.put("@@@SERVICE.INSTANCE@@@", "SERVICE.NO_INST");
ctx.put("@@@SERVICE.PID@@@", "SERVICE.NO_PID");
ctx.put("@@@DEVICE.NAME@@@", "DEVICE.NO_NAME");
ctx.put("@@@DEVICE.INSTANCE@@@", "DEVICE.NO_INST");
ctx.put("@@@DEVICE.PID@@@", "DEVICE.NO_PID");
ctx.put("@@@WAVEFORM.NAME@@@", "WAVEFORM.NO_NAME");
ctx.put("@@@WAVEFORM.INSTANCE@@@", "WAVEFORM.NO_INST");
ctx.put("@@@COMPONENT.NAME@@@", "COMPONENT.NO_NAME");
ctx.put("@@@COMPONENT.INSTANCE@@@", "COMPONENT.NO_INST");
ctx.put("@@@COMPONENT.PID@@@", "COMPONENT.NO_PID");
return ctx;
};
//
// ExpandMacros
//
// Process contents of src against of set of macro definitions contained in ctx.
// The contents of ctx will be used to generate a set of regular expressions that can
// search src for tokens and substitute their contents.
//
// @return string object containing any subsitutions
//
public static String ExpandMacros ( String src, MacroTable ctx ) {
String text;
text = src;
for( Map.Entry< String, String > entry: ctx.entrySet() ){
text = text.replaceAll( entry.getKey(), entry.getValue() );
}
return text;
};
public static String GetPid() {
String name = ManagementFactory.getRuntimeMXBean().getName();
String []s=name.split("@");
String ret="-1";
if ( s.length > 1 ) {
ret=s[0];
}
return ret;
}
//
// ResolveHostInfo
//
// Resolve host and ip address where this resource is running
//
public static void ResolveHostInfo( MacroTable tbl )
{
String hname = "unknown";
String ipaddr = "unknown";
try {
InetAddress addr = InetAddress.getLocalHost();
hname = addr.getHostName();
ipaddr = addr.getHostAddress();
} catch (UnknownHostException e) {
// failed; try alternate means.
};
tbl.put("@@@HOST.NAME@@@", hname );
tbl.put("@@@HOST.IP@@@", ipaddr );
};
//
// SetResourceInfo
//
// Set the resource context
//
public static void SetResourceInfo( MacroTable tbl, ResourceCtx ctx ) {
tbl.put("@@@DOMAIN.NAME@@@", ctx.domain_name.replaceAll(":", "-" ) );
tbl.put("@@@NAME@@@", ctx.name.replaceAll(":", "-" ));
tbl.put("@@@INSTANCE@@@", ctx.instance_id.replaceAll( ":", "-" ) );
tbl.put("@@@PID@@@", GetPid() );
};
//
// SetComponentInfo
//
// Set the component context
//
public static void SetComponentInfo( MacroTable tbl, ComponentCtx ctx ) {
SetResourceInfo( tbl, ctx );
tbl.put("@@@WAVEFORM.NAME@@@", ctx.waveform.replaceAll(":", "-" ) );
tbl.put("@@@WAVEFORM.ID@@@", ctx.waveform_id.replaceAll(":", "-" ) );
tbl.put("@@@COMPONENT.NAME@@@", ctx.name.replaceAll(":", "-" ) );
tbl.put("@@@COMPONENT.INSTANCE@@@", ctx.instance_id.replaceAll(":", "-" ) );
tbl.put("@@@COMPONENT.PID@@@", GetPid());
};
//
// SetServiceInfo
//
// Set the service context
//
public static void SetServiceInfo( MacroTable tbl, ServiceCtx ctx ) {
SetResourceInfo( tbl, ctx );
tbl.put("@@@DEVICE_MANAGER.NAME@@@", ctx.device_mgr.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE_MANAGER.INSTANCE@@@", ctx.device_mgr_id.replaceAll(":", "-" ) );
tbl.put("@@@SERVICE.NAME@@@", ctx.name.replaceAll(":", "-" ) );
tbl.put("@@@SERVICE.INSTANCE@@@", ctx.instance_id.replaceAll(":", "-" ) );
tbl.put("@@@SERVICE.PID@@@", GetPid() );
};
//
// SetDeviceInfo
//
// Set the device context
//
public static void SetDeviceInfo( MacroTable tbl, DeviceCtx ctx ) {
SetResourceInfo( tbl, ctx );
tbl.put("@@@DEVICE_MANAGER.NAME@@@", ctx.device_mgr.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE_MANAGER.INSTANCE@@@", ctx.device_mgr_id.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE.NAME@@@", ctx.name.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE.INSTANCE@@@", ctx.instance_id.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE.PID@@@", GetPid() );
};
//
// SetDeviceMgrInfo
//
// Set the device manager context
//
public static void SetDeviceMgrInfo( MacroTable tbl, DeviceMgrCtx ctx ) {
SetResourceInfo( tbl, ctx );
tbl.put("@@@DEVICE_MANAGER.NAME@@@", ctx.name.replaceAll(":", "-" ) );
tbl.put("@@@DEVICE_MANAGER.INSTANCE@@@", ctx.instance_id.replaceAll(":", "-" ) );
};
public static int ConvertLog4ToCFLevel ( Level l4_level ) {
if (l4_level == Level.OFF ) return CF.LogLevels.OFF;
if (l4_level == Level.FATAL ) return CF.LogLevels.FATAL;
if (l4_level == Level.ERROR ) return CF.LogLevels.ERROR;
if (l4_level == Level.WARN ) return CF.LogLevels.WARN;
if (l4_level == Level.INFO ) return CF.LogLevels.INFO;
if (l4_level == Level.DEBUG ) return CF.LogLevels.DEBUG;
if (l4_level == Level.TRACE ) return CF.LogLevels.TRACE;
if (l4_level == Level.ALL ) return CF.LogLevels.ALL;
return CF.LogLevels.INFO;
};
public static Level ConvertToLog4Level( int newlevel ) {
if ( newlevel == CF.LogLevels.OFF ) return Level.OFF;
if ( newlevel == CF.LogLevels.FATAL ) return Level.FATAL;
if ( newlevel == CF.LogLevels.ERROR ) return Level.ERROR;
if ( newlevel == CF.LogLevels.WARN ) return Level.WARN;
if ( newlevel == CF.LogLevels.INFO ) return Level.INFO;
if ( newlevel == CF.LogLevels.DEBUG ) return Level.DEBUG;
if ( newlevel == CF.LogLevels.TRACE ) return Level.TRACE;
if ( newlevel == CF.LogLevels.ALL ) return Level.ALL;
return Level.INFO;
};
public static int ConvertLogLevel( int oldstyle_level ) {
if ( oldstyle_level == 0 ) return CF.LogLevels.FATAL;
if ( oldstyle_level == 1 ) return CF.LogLevels.ERROR;
if ( oldstyle_level == 2 ) return CF.LogLevels.WARN;
if ( oldstyle_level == 3 ) return CF.LogLevels.INFO;
if ( oldstyle_level == 4 ) return CF.LogLevels.DEBUG;
if ( oldstyle_level == 5) return CF.LogLevels.ALL;
return CF.LogLevels.INFO;
};
public static Level ConvertLogLevelToLog4( int oldstyle_level ) {
if ( oldstyle_level == 0 ) return Level.FATAL;
if ( oldstyle_level == 1 ) return Level.ERROR;
if ( oldstyle_level == 2 ) return Level.WARN;
if ( oldstyle_level == 3 ) return Level.INFO;
if ( oldstyle_level == 4 ) return Level.DEBUG;
if ( oldstyle_level == 5) return Level.ALL;
return Level.INFO;
};
public static void SetLevel( String logid, int oldstyle_level ) {
SetLogLevel( logid, ConvertLogLevel(oldstyle_level) );
};
public static void SetLogLevel( String logid, int newLogLevel ) {
Level tlevel=Level.INFO;
tlevel = ConvertToLog4Level( newLogLevel );
Logger logger = null;
if ( logid != null ) {
logger = Logger.getLogger(logid);
}
else {
logger = Logger.getRootLogger();
}
if ( logger != null ) {
logger.setLevel(tlevel);
};
};
//
// GetDefaultConfig
//
// return default logging configuration information
//
public static String GetDefaultConfig() {
String cfg = "log4j.rootLogger=INFO,STDOUT\n " +
"# Direct log messages to STDOUT\n" +
"log4j.appender.STDOUT=org.apache.log4j.ConsoleAppender\n" +
"log4j.appender.STDOUT.layout=org.apache.log4j.PatternLayout\n" +
"log4j.appender.STDOUT.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n\n";
return cfg;
};
//
// Get Logging Configuration file from an SCA file system and
// copy to local file system
//
public static String CacheSCAFile( String sca_url ) {
String localPath = "";
String uri = sca_url;
if ( sca_url.startsWith("sca:") == false ) {
return localPath;
}
uri= sca_url.substring(4);
int fsPos = uri.indexOf("?fs=");
if (fsPos == -1) {
return localPath;
}
org.omg.CORBA.ORB orb;
orb = ORB.init((String[]) null, null);
String IOR = uri.substring(fsPos + 4);
org.omg.CORBA.Object obj = orb.string_to_object(IOR);
if (obj == null) {
return localPath;
}
CF.FileSystem fileSystem = CF.FileSystemHelper.narrow(obj);
if (fileSystem == null) {
return localPath;
}
String remotePath = uri.substring(0, fsPos);
CF.OctetSequenceHolder data = new CF.OctetSequenceHolder ();
try {
CF.File remoteFile = fileSystem.open(remotePath, true);
int size = remoteFile.sizeOf();
remoteFile.read(data, size);
String tempPath = remotePath;
int slashPos = remotePath.lastIndexOf('/');
if (slashPos != -1) {
tempPath = tempPath.substring(slashPos + 1);
}
FileOutputStream localFile = new FileOutputStream(tempPath);
localFile.write(data.value);
localPath = tempPath;
localFile.close();
return localPath;
} catch (Exception e){
return localPath;
}
};
//
// Get Logging Configuration file from an SCA file system and
// return the contents as a string
//
// @param sca_url : format as follows sca://?fs=<file system IOR>/path/to/file
//
public static String GetSCAFileContents( String sca_url) throws Exception {
String uri = sca_url;
if ( sca_url.startsWith("sca:") == false ) {
throw new Exception("invalid URL for sca: file");
}
uri= sca_url.substring(4);
int fsPos = uri.indexOf("?fs=");
if (fsPos == -1) {
throw new Exception("malformed url, missing fs=param");
}
org.omg.CORBA.ORB orb;
orb = ORB.init((String[]) null, null);
String IOR = uri.substring(fsPos + 4);
org.omg.CORBA.Object obj = orb.string_to_object(IOR);
if (obj == null) {
throw new Exception("cannot access filesystem IOR");
}
CF.FileSystem fileSystem = CF.FileSystemHelper.narrow(obj);
if (fileSystem == null) {
throw new Exception("cannot access filesystem IOR");
}
String remotePath = uri.substring(0, fsPos);
CF.OctetSequenceHolder data = new CF.OctetSequenceHolder ();
CF.File remoteFile = null;
try {
remoteFile = fileSystem.open(remotePath, true);
int size = remoteFile.sizeOf();
remoteFile.read(data, size);
} catch (Exception e){
throw new Exception("error reading file contents");
}
finally {
if ( remoteFile != null ) {
remoteFile.close();
}
}
String fileContents = new String(data.value,"UTF-8");
return fileContents;
};
private static String GetHTTPFileContents( String url ) throws Exception {
try {
URL fileURL = new URL(url);
URLConnection urlConnection = fileURL.openConnection();
urlConnection.connect();
BufferedReader in = new BufferedReader(new InputStreamReader(
urlConnection.getInputStream()));
String line = null;
String fileContents = null;
while ((line = in.readLine()) != null) {
fileContents += line + "\n";
}
in.close();
return fileContents;
}
catch (MalformedURLException e) {
throw new Exception("new URL() failed");
}
catch (IOException e) {
throw new Exception("openConnection() failed");
}
catch (Exception e) {
throw new Exception("failed to read " + url);
}
}
private static String readFile( String file ) throws IOException {
BufferedReader reader = new BufferedReader( new FileReader (file));
String line = null;
StringBuilder stringBuilder = new StringBuilder();
String ls = System.getProperty("line.separator");
try {
while ( ( line = reader.readLine() ) != null ) {
stringBuilder.append( line );
stringBuilder.append( ls );
}
return stringBuilder.toString();
} finally {
reader.close();
}
}
//
// Resolve the location of the URL and return its contents as a string.
//
//
//
public static String GetConfigFileContents( String url ) throws Exception {
String fileContents = "";
if ( url.startsWith( "file://") ) {
String fileName = url.substring( 7 );
fileContents = readFile( fileName );
};
if ( url.startsWith( "sca:") ) {
fileContents = GetSCAFileContents( url );
};
if ( url.startsWith( "http:") ) {
fileContents = GetHTTPFileContents( url );
};
if ( url.startsWith( "log:") ) {
//
// RESOLVE .. use logging service to grab file
//fileContents = getLogConfig( uri+4 );
//validFile=true;
};
if ( url.startsWith("str://") ){
String fc=url.substring(6);
if ( fc.startsWith("/") ) {
fc=fc.substring(1);
}
fileContents = fc;
};
return fileContents;
};
//
// Default logging, stdout with level == INFO
//
public static void ConfigureDefault() {
//System.out.println("ConfigureDefault START" );
String fileContents;
fileContents = GetDefaultConfig();
try {
ByteArrayInputStream is = new ByteArrayInputStream(fileContents.getBytes("UTF-8"));
Properties props = new Properties();
props.load(is);
PropertyConfigurator.configure(props);
}
catch(Exception e ){
System.out.println("Log4J Exception:" + e.getMessage() );
}
//System.out.println("ConfigureDefault END" );
}
//
// Used by a resource to configure the logging provider
//
//
public static void Configure( String logcfgUri, int logLevel ) {
if ( logcfgUri == "" || logcfgUri.length() == 0 ){
ConfigureDefault();
}
else{
String fileContents="";
try {
fileContents = GetConfigFileContents(logcfgUri);
}
catch( Exception e ) {
System.out.println("org.ossie.logging.logging.Configure, Exception:" + e.getMessage() );
}
if ( fileContents.length() != 0 ) {
try {
ByteArrayInputStream is = new ByteArrayInputStream(fileContents.getBytes("UTF-8"));
Properties props = new Properties();
props.load(is);
PropertyConfigurator.configure(props);
}
catch(Exception e ){
System.out.println("org.ossie.logging.logging.Configure, Exception:" + e.getMessage() );
}
}
}
SetLevel( null, logLevel );
};
/**
AppenderLibrary
Hook into log4j when differnent appenders are processed. We are looking for RH_LogEventAppender
to assist with requesting EventChannels from the domain. Domain resources are created after the
log4j library is initialized, so we hold references here to assist when those Domain resource
objects are created.
*/
protected static class AppenderLibrary implements HierarchyEventListener {
public static ArrayList<RH_LogEventAppender> rh_evt_appenders=new ArrayList<RH_LogEventAppender>();
public static org.ossie.events.Manager ecm = null;
public static int appcnt=0;
public AppenderLibrary() {};
// called by log4j library when an appender object is created from the log4j properties file
public void addAppenderEvent( Category cat, Appender appender ) {
if ( appender.getClass().getName().contains("RH_LogEventAppender") == true ) {
RH_LogEventAppender rh_logEventAppender = (RH_LogEventAppender)appender;
rh_evt_appenders.add(rh_logEventAppender );
// if we know the event channel manager.. then assign it to the appender
if ( ecm != null ) {
rh_logEventAppender.connect(ecm);
}
}
}
public void removeAppenderEvent( Category cat, Appender appender ) {
//System.out.println ("Appender REMOVE: " + appender.getName() );
}
public RH_LogEventAppender[] getEventAppenders() {
return rh_evt_appenders.toArray( new RH_LogEventAppender[rh_evt_appenders.size() ] );
}
public static RH_LogEventAppender[] GetEventAppenders() {
if ( _appenderLibrary != null ) {
return _appenderLibrary.getEventAppenders();
}
return null;
}
public int setEventChannelManager( org.ossie.events.Manager ECM ) {
ecm = ECM;
for ( RH_LogEventAppender rh_evt_app : rh_evt_appenders ) {
rh_evt_app.setEventChannelManager(ECM);
}
return 0;
}
public static int SetEventChannelManager( org.ossie.events.Manager ECM ) {
AppenderLibrary.ecm = ECM;
if ( _appenderLibrary != null ) {
_appenderLibrary.setEventChannelManager(ECM);
}
return 0;
}
}
public static int SetResource( org.ossie.component.Resource obj ) {
return AppenderLibrary.SetEventChannelManager( obj.getEventChannelManager() );
}
public static int SetEventChannelManager( org.ossie.events.Manager ECM ) {
return AppenderLibrary.SetEventChannelManager(ECM);
}
//
// Used by a resource to configure the logging provider
//
//
public static void Configure( String logcfgUri, int logLevel, ResourceCtx ctx) {
// add listener callback so we can inject the resource when evaluating EventChannelManager
if ( _appenderLibrary == null ) {
_appenderLibrary = new AppenderLibrary();
LogManager.getLoggerRepository().addHierarchyEventListener( _appenderLibrary );
}
if ( logcfgUri == "" || logcfgUri.length() == 0 ){
ConfigureDefault();
}
else{
String fileContents="";
try {
fileContents = GetConfigFileContents(logcfgUri);
}
catch( Exception e ) {
// RESOLVE
}
MacroTable tbl = GetDefaultMacros();
if ( ctx != null ) {
ctx.apply(tbl);
}
if ( fileContents.length() != 0 ) {
try {
String cfg="";
cfg = Configure( fileContents, tbl );
}
catch(Exception e ){
}
}
}
if ( logLevel > -1 ) {
SetLevel( null, logLevel );
}
};
//
// Configure
//
// Apply the macro defintion table against the contents of log4j
// configuration file (xml or java props) and set the appropriate
// log4cxx configuration.
//
// @param configure_data contents of log4j properties or xml file
// @param MacroTable set of tokens to match and substitution values
// @param cfgContents returns converted form of configure_data if macro definitions were applied
//
public static String Configure( String cfg_data, MacroTable tbl ) {
String fc_raw= cfg_data;
String fileContents="";
String fname;
boolean saveTemp=false;
try{
LogConfigFormatType ptype= LogConfigFormatType.JAVA_PROPS;
if ( fc_raw.contains("<log4j:configuration") ) {
ptype= LogConfigFormatType.XML_PROPS;
}
// process file with macro expansion....
fileContents= ExpandMacros(fc_raw, tbl);
// if we expanded macros then we need to cache the expansion
if ( ptype == LogConfigFormatType.XML_PROPS ) {
try {
//RESOLVE -- need unit name
//create a temp file
File temp = File.createTempFile("tmp", ".xml");
//write it
BufferedWriter bw = new BufferedWriter(new FileWriter(temp));
bw.write(fileContents);
bw.close();
DOMConfigurator.configure(temp.getAbsolutePath());
temp.delete();
}
catch( IOException e ){
// RESOLVE
}
}
else {
ByteArrayInputStream is = new ByteArrayInputStream(fileContents.getBytes("UTF-8"));
Properties props = new Properties();
props.load(is);
PropertyConfigurator.configure(props);
}
}
catch(Exception e){
// RESOLVE
}
return fileContents;
};
}; // namespace wrapper for logging convenience routines