Merge pull request aimacode#287 from rajatthakur/excep-handl

Fixed aimacode#286 Empty Catch Blocks

Author: ctjoreilly

aima-core/src/main/java/aima/core/util/math/geom/SVGGroupParser.java

@@ -201,7 +201,9 @@ private TransformMatrix2D parseTransform(String string) {
 						try {
 							ty = parseNumber(matcher2.group(i));
 							i++;
-						} catch(NumberFormatException e) { }
+						} catch(NumberFormatException e) {
+							e.printStackTrace();
+						}
 						result = result.multiply(TransformMatrix2D.translate(tx, ty));
 					} else if(matcher2.group(i).equalsIgnoreCase(SCALE_TRANSFORM)) {
 						double sx = parseNumber(matcher2.group(++i));
@@ -210,7 +212,9 @@ private TransformMatrix2D parseTransform(String string) {
 						try {
 							sy = parseNumber(matcher2.group(i));
 							i++;
-						} catch(NumberFormatException e) { }
+						} catch(NumberFormatException e) {
+							e.printStackTrace();
+						}
 						result = result.multiply(TransformMatrix2D.scale(sx, sy));
 					} else if(matcher2.group(i).equalsIgnoreCase(ROTATE_TRANSFORM)) {
 						double angle = Math.toRadians(parseNumber(matcher2.group(++i)));
@@ -222,7 +226,9 @@ private TransformMatrix2D parseTransform(String string) {
 							i++;
 							cy = parseNumber(matcher2.group(i));
 							i++;
-						} catch(NumberFormatException e) { }
+						} catch(NumberFormatException e) {
+							e.printStackTrace();
+						}
 						if(cx != 0 && cy != 0) {
 							result = result.multiply(TransformMatrix2D.translate(cx,cy));
 						}

aima-gui/src/main/java/aima/gui/demo/learning/LearningDemo.java

@@ -138,6 +138,7 @@ public static void ensembleLearningDemo() {
 			System.out.println("\n");
 
 		} catch (Exception e) {
+			e.printStackTrace();
 
 		}
 	}

aima-gui/src/main/java/aima/gui/swing/applications/agent/VacuumController.java

@@ -98,7 +98,9 @@ public void run(MessageLogger logger) {
 				Thread.sleep(500);
 				env.step();
 			}
-		} catch (InterruptedException e) {}
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
 		logger.log("Performance: "
 				+ env.getPerformanceMeasure(agent));
 		logger.log("</simulation-log>\n");

aima-gui/src/main/java/aima/gui/swing/applications/agent/map/AbstractMapAgentController.java

@@ -91,7 +91,9 @@ public void run(MessageLogger logger) {
 				Thread.sleep(sleepTime);
 				env.step();
 			}
-		} catch (InterruptedException e) {}
+		} catch (InterruptedException e) {
+			e.printStackTrace();
+		}
 		logger.log("</simulation-protocol>\n");
 	}
 

aima-gui/src/main/java/aima/gui/swing/applications/robotics/components/Settings.java

@@ -71,6 +71,7 @@ public void loadSettings(File file) {
 			input = new FileInputStream(file);
 			values.load(input);
 		} catch (IOException e) {
+			e.printStackTrace();
 
 		} finally {
 			if(input != null) {

aima-gui/src/main/java/aima/gui/swing/framework/DemoController.java

@@ -62,6 +62,7 @@ public void run(MessageLogger logger) {
 				logger.log(i + " ...");
 			}
 		} catch (InterruptedException e) {
+			e.printStackTrace();
 		}
 		isPrepared = frame.simulationPaused();
 	}
@@ -78,6 +79,7 @@ public void step(MessageLogger logger) {
 			Thread.sleep(2000);
 			logger.log("ready");
 		} catch (InterruptedException e) {
+			e.printStackTrace();
 		}
 	}