logging reworked

- implementation-specific method removed from the API
- internal exceptions handling incapsulated

src/de/fernflower/main/ClassWriter.java

@@ -637,11 +637,7 @@ public class ClassWriter {
 				String code = root.toJava(indent+1);
 				bufstrwriter.write(code);
 			} catch(Throwable ex) {
-				if(DecompilerContext.getLogger().getShowStacktrace()) {
-					ex.printStackTrace();
-				}
-				
-				DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be written.", IFernflowerLogger.ERROR);
+				DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be written.", ex);
 				meth.decompiledWithErrors = true;
 			}
 		} 
@@ -978,11 +974,7 @@ public class ClassWriter {
 
 					bufstrwriter.write(code);
 				} catch(Throwable ex) {
-					if(DecompilerContext.getLogger().getShowStacktrace()) {
-						ex.printStackTrace();
-					}
-					
-					DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be written.", IFernflowerLogger.ERROR);
+					DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be written.", ex);
 					meth.decompiledWithErrors = true;
 				}
 			} 

src/de/fernflower/main/Fernflower.java

@@ -22,7 +22,6 @@ import de.fernflower.main.ClassesProcessor.ClassNode;
 import de.fernflower.main.collectors.CounterContainer;
 import de.fernflower.main.extern.IBytecodeProvider;
 import de.fernflower.main.extern.IDecompilatSaver;
-import de.fernflower.main.extern.IFernflowerLogger;
 import de.fernflower.main.extern.IFernflowerPreferences;
 import de.fernflower.modules.renamer.IdentifierConverter;
 import de.fernflower.struct.IDecompiledData;
@@ -98,8 +97,7 @@ public class Fernflower implements IDecompiledData {
 		} catch(ThreadDeath ex) {
 			throw ex;
 		} catch(Throwable ex) {
-			ex.printStackTrace();
-			DecompilerContext.getLogger().writeMessage("Class "+cl.qualifiedName+" couldn't be fully decompiled." , IFernflowerLogger.ERROR);
+			DecompilerContext.getLogger().writeMessage("Class "+cl.qualifiedName+" couldn't be fully decompiled.", ex);
 		}
 		
 		return res;

src/de/fernflower/main/decompiler/helper/PrintStreamLogger.java

@@ -35,15 +35,16 @@ public class PrintStreamLogger implements IFernflowerLogger {
 	
 	
 	public void writeMessage(String message, int severity) {
-		writeMessage(message, severity, indent);
+    if(severity >= this.severity) {
+      stream.println(InterpreterUtil.getIndentString(indent)+names[severity]+": "+message);
+    }
 	}
 
-	public void writeMessage(String message, int severity, int indent) {
-		if(severity >= this.severity) {
-			stream.println(InterpreterUtil.getIndentString(indent)+names[severity]+": "+message);
-		}
-	}
-	
+  public void writeMessage(String message, Throwable t) {
+    t.printStackTrace(stream);
+    writeMessage(message, ERROR);
+  }
+
 	public void startClass(String classname) {
 		stream.println(InterpreterUtil.getIndentString(indent++)+"Processing class "+classname+" ...");
 	}
@@ -79,8 +80,4 @@ public class PrintStreamLogger implements IFernflowerLogger {
 	public void setSeverity(int severity) {
 		this.severity = severity;
 	}
-
-	public boolean getShowStacktrace() {
-		return true;
-	}
 }

src/de/fernflower/main/extern/IFernflowerLogger.java

@@ -36,7 +36,7 @@ public interface IFernflowerLogger {
 	
 	public void writeMessage(String message, int severity);
 
-	public void writeMessage(String message, int severity, int indent);
+	public void writeMessage(String message, Throwable t);
 	
 	public void startClass(String classname);
 
@@ -53,7 +53,4 @@ public interface IFernflowerLogger {
 	public int getSeverity();
 
 	public void setSeverity(int severity);
-	
-	public boolean getShowStacktrace();
-	
 }

src/de/fernflower/main/rels/ClassWrapper.java

@@ -110,7 +110,7 @@ public class ClassWrapper {
 
 							if(maxsec > 0 && ++sec > maxsec) {
 								DecompilerContext.getLogger().writeMessage("Processing time limit ("+maxsec+" sec.) for method " +
-										mt.getName()+" "+mt.getDescriptor()+ " exceeded, execution interrupted.", IFernflowerLogger.ERROR, 0);
+										mt.getName()+" "+mt.getDescriptor()+ " exceeded, execution interrupted.", IFernflowerLogger.ERROR);
 								mtthread.stop();
 								isError = true;
 								break;
@@ -158,17 +158,11 @@ public class ClassWrapper {
 					if(mtthread != null) {
 						mtthread.stop();
 					}
-				} catch(Throwable e) {
-					;
-				}
+				} catch(Throwable ignored) { }
 				
 				throw ex;
 			} catch(Throwable ex) {
-				if(DecompilerContext.getLogger().getShowStacktrace()) {
-					ex.printStackTrace();
-				}
-				
-				DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be decompiled.", IFernflowerLogger.ERROR);
+				DecompilerContext.getLogger().writeMessage("Method "+mt.getName()+" "+mt.getDescriptor()+" couldn't be decompiled.", ex);
 				isError = true;
 			}