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57 package org.apache.soap.providers.com;
58
59 import java.io.* ;
60 import java.util.* ;
61 import java.text.MessageFormat  ;
62 import javax.servlet.* ;
63 import javax.servlet.http.* ;
64 import org.apache.soap.util.* ;
65 import java.lang.Math ;
66
67 public class Log
68 {
69 private ServletContext sc= null;
70 static Log log= null;
71 public static final short INFORMATION = 0x1000;
72 public static final short SUCCESS= 0x100;
73 public static final short WARNING = 0x10;
74 public static final short ERROR = 1;
75 public static final short NOINIT = -1;
76 static short currentLevel=NOINIT;
77 static final String pname= "org.apache.soap.providers.com";
78 static final String cname= pname + ".COMProvider";
79 protected static final String msgFile= cname;
80 protected java.io.PrintStream ls= null;
81 protected static ResourceBundle rb=null;
82 public static synchronized void init( Servlet servlet) {
84 if(log != null) return;
85 String params= null;
86 if(servlet != null) params= servlet.getServletConfig().getInitParameter("comprovider.msglvl");
87
88 java.io.PrintStream ls= null;
89 String propInit= params == null ? findMessageString("loginit") : params;
90 if(propInit != null)
91 {
92 StringTokenizer tok= new StringTokenizer(propInit);
93 String f1= tok.hasMoreTokens() ? tok.nextToken() : "";
94 if( f1.length() != 0)
95 {
96
97 if( 0 == f1.compareTo("="))
98 {
99 String f2= null;
100 try{
101 f2= tok.hasMoreTokens() ? tok.nextToken() : "";
102
103 Class cl= Class.forName(f2);
104 Object o= cl.newInstance();
105 if( o instanceof Log)
106 {
107 ((Log)o).init( servlet, params);
108 }
109 else
110 {
111 ls= System.err;
112 System.err.println("Log handler:" + f2 + " not an instance of Log."); log= new Log(null, "-file -" ); }
115 }
116 catch ( Exception e)
117 {
118 log= new Log(null, "-file -" );
119 System.err.println("Error in loading log handler=" + f2 + "exception " + e); }
121 return; }
123 }
124 }
125
126 log= new Log(servlet, params);
128 }
129
130 public void init( Servlet servlet, String params){};
131
132 public Log( Servlet servlet, String params)
133 {
134 currentLevel= ERROR;
135
136 if(null != params)
137 for( StringTokenizer tok= new StringTokenizer(params);tok.hasMoreTokens();)
138 {
139 String f1= tok.nextToken();
140 if( 0 == f1.compareTo("-noservletlog"))
141 {
142 servlet= null;
143 }
144 else if( 0 == f1.compareTo("-file"))
145 {
146 if(tok.hasMoreTokens())
147 {
148 String f2= tok.nextToken();
149 if( 0 == f2.compareTo("+") ) ls= System.out;
150 else if( 0 == f2.compareTo("-")) ls= System.err;
151 else
152 {
153 try
154 {
155 ls= new PrintStream(new BufferedOutputStream( new FileOutputStream( f2, true)), true);
156 }catch( java.io.FileNotFoundException e)
157 {
158 ls= System.err;
159 }
160 }
161 }
162 }
163 else
164 {
165
166 try{
167 if(0==f1.compareToIgnoreCase("INFORMATION")) currentLevel= INFORMATION | SUCCESS | WARNING | ERROR;
168 else if(0==f1.compareToIgnoreCase("SUCCESS")) currentLevel= SUCCESS | WARNING | ERROR;
169 else if(0==f1.compareToIgnoreCase("WARNING")) currentLevel= WARNING | ERROR;
170 else if(0==f1.compareToIgnoreCase("ERROR"));
171 else currentLevel= Short.parseShort(params);
172 }catch(Exception e) { currentLevel= ERROR;}
173 }
174 }
176 if(null != servlet) sc= servlet.getServletConfig().getServletContext();
177
178
179
180 }
181
182 public static void init()
183 {
184 init( null);
185 }
186 public static String getMessage(String msgId, Object [] args)
187 {
188 String ret= findMessageString(msgId, args);
189 if(ret == null)
190 ret= "Missing msg id \""+ msgId +"\" in \"" + msgFile +"\".";
191
192 return ret;
193 }
194 public static String findMessageString(String msgId)
195 {
196 return findMessageString(msgId, null);
197 }
198 public static String findMessageString(String msgId, Object [] args)
199 {
200 String ret= null;
201
202 try
203 {
204 if( rb == null) rb = ResourceBundle.getBundle (msgFile, Locale.getDefault());
205 String formatString = rb.getString(msgId);
206 if (args == null) ret= formatString;
207 else
208 {
209 MessageFormat formatter = new MessageFormat (formatString);
210 ret= formatter.format(args);
211 }
212 } catch (java.util.MissingResourceException mre) {
213 }
214
215 return ret;
216 }
217 public String logit(final int level, String s) {
219 if( s == null) s= "null";
220 if(ls != null) ls.println(s);
221 if( null != sc) sc.log(s);
222 return s;
223 }
224
225 public String logit(final int level, final String msgId, final Object [] args) {
227 String s= getMessage(msgId, args);
228 logit(level, s);
229 return s;
230 }
231 public static final String msg(final int level, final String msg )
232 {
233 return log.logit(level, msg);
234 }
235 public static final String msg(final int level, final String msgId, Object o )
236 {
237 if( (level & currentLevel) == 0 ) return "" ;
238 return msg( level, msgId, new Object [] {o});
239 }
240 public static final String msg(final int level, final String msgId, Object o, Object o2 )
241 {
242 if( (level & currentLevel) == 0 ) return "" ;
243 return msg( level, msgId, new Object [] {o,o2});
244 }
245 public static final String msg(final int level, final String msgid, Object o, Object o2, Object o3 )
246 {
247 if( (level & currentLevel) == 0 ) return "" ;
248 return msg( level, msgid, new Object [] {o,o2,o3});
249 }
250 public static final String msg(final int level, final String msgId, Object o, Object o2, Object o3, Object o4 )
251 {
252 if( (level & currentLevel) == 0 ) return "" ;
253 return msg( level, msgId, new Object [] {o,o2,o3,o4});
254 }
255 public static final String msg(final int level, final String msgId, final Object [] args)
256 {
257 if( (level & currentLevel) == 0 ) return "" ;
258 return log.logit( level, msgId, args);
259 }
260 public static final short getLevel()
261 {
262 return currentLevel;
263 }
264 public static final boolean willLog(short level)
265 {
266 return (level & currentLevel) == 0;
267 }
268
269
270 }
271 |
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