findbugs/eclipse warnings fixed

ajde.core/src/org/aspectj/ajde/core/internal/AjdeCoreBuildManager.java

 import org.aspectj.ajde.core.AjCompiler;
 import org.aspectj.ajde.core.ICompilerConfiguration;
 import org.aspectj.ajde.core.IOutputLocationManager;
-import org.aspectj.ajde.core.JavaOptions;
 import org.aspectj.ajdt.ajc.AjdtCommand;
 import org.aspectj.ajdt.ajc.BuildArgParser;
 import org.aspectj.ajdt.ajc.ConfigParser;
 			handleMessage(new Message(getFormattedOptionsString(),IMessage.INFO,null,null));
 
 			CompilationAndWeavingContext.reset();
+
 			AjBuildConfig buildConfig = genAjBuildConfig();
 			if (buildConfig == null) return;
-			
+
+            if (buildFresh) {
+            	ajBuildManager.batchBuild(buildConfig,msgHandlerAdapter); 
+            } else {
+				ajBuildManager.incrementalBuild(buildConfig,msgHandlerAdapter);				
+            }
+/*			
             if (buildFresh) {
+    			AjBuildConfig buildConfig = genAjBuildConfig();
+    			if (buildConfig == null) return;
             	ajBuildManager.batchBuild(buildConfig,msgHandlerAdapter); 
             } else {
+            	AjBuildConfig buildConfig = ajBuildManager.getState().getBuildConfig();
+            	
 				ajBuildManager.incrementalBuild(buildConfig,msgHandlerAdapter);				
             }
+*/
 			IncrementalStateManager.recordSuccessfulBuild(compiler.getId(),ajBuildManager.getState());
             
         } catch (ConfigParser.ParseException pe) {
             } else {
             	handleMessage(new Message(message.getMessage() + "\n" 
             			+ CompilationAndWeavingContext.getCurrentContext(),IMessage.ERROR,e,null));
-            };
+            }
 		} catch (Throwable t) {
             handleMessage(new Message("Compile error: " + LangUtil.unqualifiedClassName(t) + " thrown: " +
             		"" + t.getMessage(),IMessage.ABORT,t,null));
 		return config;
 	}
 	
-	/**
-	 * Check that the user hasn't specified Java 6 for the compliance, source and
-	 * target levels. If they have then an error is thrown. 
-	 */
-	private void checkNotAskedForJava6Compliance() {
-		// bug 164384 - Throwing an IMessage.ERRROR rather than an IMessage.ABORT 
-		// means that we'll continue to try to compile the code. This means that
-		// the user may see other errors (for example, if they're using annotations
-		// then they'll get errors saying that they require 5.0 compliance).
-		// Throwing IMessage.ABORT would prevent this, however, 'abort' is really
-		// for compiler exceptions.
-		Map javaOptions = compiler.getCompilerConfiguration().getJavaOptionsMap();
-		if (javaOptions != null){
-			String version = (String)javaOptions.get(CompilerOptions.OPTION_Compliance);
-			String sourceVersion = (String)javaOptions.get(CompilerOptions.OPTION_Source);
-			String targetVersion = (String)javaOptions.get(CompilerOptions.OPTION_TargetPlatform);
-			if (version!=null && version.equals(JavaOptions.VERSION_16)) {
-				String msg = "Java 6.0 compliance level is unsupported";
-				IMessage m = new Message(msg, IMessage.ERROR, null, null);            
-				compiler.getMessageHandler().handleMessage(m);
-			} else if (sourceVersion!=null && sourceVersion.equals(JavaOptions.VERSION_16)) {
-				String msg = "Java 6.0 source level is unsupported";
-				IMessage m = new Message(msg, IMessage.ERROR, null, null);            
-				compiler.getMessageHandler().handleMessage(m);				
-			} else if (targetVersion!=null && targetVersion.equals(JavaOptions.VERSION_16)) {
-				String msg = "Java 6.0 target level is unsupported";
-				IMessage m = new Message(msg, IMessage.ERROR, null, null);            
-				compiler.getMessageHandler().handleMessage(m);	
-			}
-		}
-	}
-	
 	/**
 	 * Configure the given AjBuildConfig with the options found in the
 	 * ICompilerConfiguration implementation associated with the AjCompiler

ajde.core/testsrc/org/aspectj/ajde/core/tests/CompilerMessagesTests.java

 	
 	public void testDeclareMessageContents() {
 		List msgs = handler.getMessages();
-		IMessage msg = (IMessage)((TestMessageHandler.TestMessage)msgs.get(1)).getContainedMessage();
+		IMessage msg = ((TestMessageHandler.TestMessage)msgs.get(1)).getContainedMessage();
 		assertEquals( "Please don't call setters" , msg.getMessage());
 		assertEquals("field-set(int apackage.SomeClass.x)", msg.getDetails());
 	}

ajde.core/testsrc/org/aspectj/ajde/core/tests/ResourceCopyTests.java

 	
 	private TestMessageHandler handler;
 	private TestCompilerConfiguration compilerConfig;
-	private String testProps;
 	
 	private String[] config1 = new String[] {
 		"src" + File.separator + "Main.java",
 		handler = (TestMessageHandler) getCompiler().getMessageHandler();
 		compilerConfig = (TestCompilerConfiguration) getCompiler()
 				.getCompilerConfiguration();
-		testProps = getAbsoluteProjectDir() + File.separator + "src" + File.separator + "testsrc" + File.separator + "test.props";
 	}
 
 	protected void tearDown() throws Exception {

ajde.core/testsrc/org/aspectj/ajde/core/tests/model/AsmDeclarationsTests.java

 
 import org.aspectj.ajde.core.AjdeCoreTestCase;
 import org.aspectj.ajde.core.TestCompilerConfiguration;
-import org.aspectj.ajde.core.TestMessageHandler;
 import org.aspectj.asm.AsmManager;
 import org.aspectj.asm.IHierarchy;
 import org.aspectj.asm.IProgramElement;
 			"pkg" + File.separator + "InPackage.java"
 	};
 	
-	private TestMessageHandler handler;
 	private TestCompilerConfiguration compilerConfig;
 
 	protected void setUp() throws Exception {
 		super.setUp();
 		initialiseProject("coverage");
-		handler = (TestMessageHandler) getCompiler().getMessageHandler();
 		compilerConfig = (TestCompilerConfiguration) getCompiler()
 				.getCompilerConfiguration();
 		compilerConfig.setProjectSourceFiles(getSourceFileList(files));
 
 	protected void tearDown() throws Exception {
 		super.tearDown();
-		handler = null;
 		compilerConfig = null;
 		model = null;
 	}
 	
 	public void testRoot() {
-		IProgramElement root = (IProgramElement)model.getRoot();
+		IProgramElement root = model.getRoot();
 		assertNotNull(root);
 		assertEquals("Expected root to be named 'coverage' but found "
 				+ root.toLabelString(), root.toLabelString(), "coverage");	
 	} 
 
 	public void testInterTypeMemberDeclares() {
-		IProgramElement node = (IProgramElement)model.getRoot();
+		IProgramElement node = model.getRoot();
 		assertNotNull(node);
 	
 		IProgramElement aspect = AsmManager.getDefault().getHierarchy().findElementForType(null, "InterTypeDecCoverage");
 	}
 	
 	public void testPointcuts() {
-		IProgramElement node = (IProgramElement)model.getRoot();
+		IProgramElement node = model.getRoot();
 		assertNotNull(node);
 	
 		IProgramElement aspect = AsmManager.getDefault().getHierarchy().findElementForType(null, "AdviceNamingCoverage");
 	}
 
 	public void testAbstract() {
-		IProgramElement node = (IProgramElement)model.getRoot();
+		IProgramElement node = model.getRoot();
 		assertNotNull(node);
 	
 		IProgramElement aspect = AsmManager.getDefault().getHierarchy().findElementForType(null, "AbstractAspect");
 	}
 
 	public void testAdvice() {
-		IProgramElement node = (IProgramElement)model.getRoot();
+		IProgramElement node = model.getRoot();
 		assertNotNull(node);
 	
 		IProgramElement aspect = AsmManager.getDefault().getHierarchy().findElementForType(null, "AdviceNamingCoverage");

ajde.core/testsrc/org/aspectj/ajde/core/tests/model/AsmRelationshipsTests.java

 
 import org.aspectj.ajde.core.AjdeCoreTestCase;
 import org.aspectj.ajde.core.TestCompilerConfiguration;
-import org.aspectj.ajde.core.TestMessageHandler;
 import org.aspectj.ajdt.internal.core.builder.AsmHierarchyBuilder;
 import org.aspectj.asm.AsmManager;
 import org.aspectj.asm.IProgramElement;
 			"pkg" + File.separator + "InPackage.java"
 	};
 	
-	private TestMessageHandler handler;
 	private TestCompilerConfiguration compilerConfig;
 
 	protected void setUp() throws Exception {
 		super.setUp();
 		initialiseProject("coverage");
-		handler = (TestMessageHandler) getCompiler().getMessageHandler();
 		compilerConfig = (TestCompilerConfiguration) getCompiler()
 				.getCompilerConfiguration();
 		compilerConfig.setProjectSourceFiles(getSourceFileList(files));
 
 	protected void tearDown() throws Exception {
 		super.tearDown();
-		handler = null;
 		compilerConfig = null;
 		manager = null;
 	}

ajde.core/testsrc/org/aspectj/ajde/core/tests/model/StructureModelTests.java

 
 import org.aspectj.ajde.core.AjdeCoreTestCase;
 import org.aspectj.ajde.core.TestCompilerConfiguration;
-import org.aspectj.ajde.core.TestMessageHandler;
 import org.aspectj.asm.AsmManager;
 import org.aspectj.asm.HierarchyWalker;
 import org.aspectj.asm.IHierarchy;
 			"figures" + File.separator + "primitives" + File.separator + "solid" + File.separator + "SolidPoint.java"
 	};
 	
-	private TestMessageHandler handler;
 	private TestCompilerConfiguration compilerConfig;
 
 	protected void setUp() throws Exception {
 		super.setUp();
 		initialiseProject("figures-coverage");
-		handler = (TestMessageHandler) getCompiler().getMessageHandler();
 		compilerConfig = (TestCompilerConfiguration) getCompiler()
 				.getCompilerConfiguration();
 		compilerConfig.setProjectSourceFiles(getSourceFileList(files));
 
 	protected void tearDown() throws Exception {
 		super.tearDown();
-		handler = null;
 		compilerConfig = null;
 		manager = null;
 	}
 		IProgramElement node = manager.getHierarchy().findElementForSourceFile(
 			testFile.getAbsolutePath());
 		assertTrue("find result", node != null) ;	
-		IProgramElement pNode = (IProgramElement)node;
-		String child = ((IProgramElement)pNode.getChildren().get(1)).getName();
+		String child = ((IProgramElement)node.getChildren().get(1)).getName();
         assertTrue("expected Figure got child " + child, child.equals("Figure"));
 	}
 
 		IProgramElement node = manager.getHierarchy().findElementForSourceFile(
 			testFile.getAbsolutePath());
 		assertTrue("find result", node != null) ;	
-		IProgramElement pNode = (IProgramElement)((IProgramElement)node).getChildren().get(2);
+		IProgramElement pNode = (IProgramElement)(node).getChildren().get(2);
 		IProgramElement pointcut = (IProgramElement)pNode.getChildren().get(0);
 		assertTrue("kind", pointcut.getKind().equals(IProgramElement.Kind.POINTCUT));
 		assertTrue("found node: " + pointcut.getName(), pointcut.toLabelString().equals("testptct()"));
 			testFile.getAbsolutePath(), 1);
 		assertTrue("find result", node != null) ;	
 		assertEquals("find result has children", 3, node.getChildren().size()) ;	
-		IProgramElement pNode = (IProgramElement)node;
-		assertTrue("found node: " + pNode.getName(), pNode.getKind().equals(IProgramElement.Kind.FILE_JAVA));
+		assertTrue("found node: " + node.getName(), node.getKind().equals(IProgramElement.Kind.FILE_JAVA));
 	}
   
   	/**
 		File testFile = openFile("figures" + File.separator + "Main.java");
 		IProgramElement node = model.findElementForSourceLine(testFile.getAbsolutePath(), 11);	
 		assertTrue("find result", node != null);	
-		IProgramElement pNode = (IProgramElement)((IProgramElement)node).getParent();
+		IProgramElement pNode = node.getParent();
         if (null == pNode) {
             assertTrue("null parent of " + node, false);
         }