fix for Bug 84122 - Allow aspectPath to contain directories

docs/adk15ProgGuideDB/miscellaneous.xml

 		
       
   </sect1>
+  
+   <sect1>
+      <title>Tools</title>
+      
+      <sect2>
+          <title>Aspectpath</title>
+          
+          <para>AspectJ 5 allows the specification of directories (containing .class files) on the aspectpath in
+              addition to jar/zip files.</para>
+      </sect2>
+      
+    </sect1>
 </chapter>
 

org.aspectj.ajdt.core/src/org/aspectj/ajdt/ajc/BuildArgParser.java

 		            while (st.hasMoreTokens()) {
 		            	String filename = st.nextToken();
 		            	File jarFile = makeFile(filename);
-                        if (jarFile.exists() && FileUtil.hasZipSuffix(filename)) {
+                        if (jarFile.exists() && (FileUtil.hasZipSuffix(filename) || jarFile.isDirectory())) {
 			            	buildConfig.getAspectpath().add(jarFile);    
 		            	} else {
                             showError("bad aspectpath: " + filename);

org.aspectj.ajdt.core/src/org/aspectj/ajdt/ajc/messages.properties

 \t-injars <jarList>   use classes in <jarList> zip files as source\n\
 \t                    (<jarList> uses classpath delimiter)\n\
 \t                    deprecated - use inpath instead.\n\
-\t-aspectpath <list>  weave aspects from <list> zip files into sources\n\
+\t-aspectpath <list>  weave aspects in .class files from <list> dirs and jars/zip into sources\n\
 \t                    (<list> uses classpath delimiter)\n\
 \t-outjar <file>      put output classes in zip file <file>\n\
 \t-argfile <file>     specify line-delimited list of source files\n\

org.aspectj.ajdt.core/src/org/aspectj/ajdt/internal/core/builder/AjState.java

 		return ret;
 	}
 	
+	private boolean classFileChangedInDirSinceLastBuild(File dir) {
+		File[] classFiles = FileUtil.listFiles(dir, new FileFilter(){
+		
+			public boolean accept(File pathname) {
+				return pathname.getName().endsWith(".class");
+			}
+		
+		});
+		for (int i = 0; i < classFiles.length; i++) {
+			long modTime = classFiles[i].lastModified();
+			if (modTime + 1000 >= lastSuccessfulBuildTime) return true;
+		}
+		return false;
+	}
+	
 	private boolean pathChange(AjBuildConfig oldConfig, AjBuildConfig newConfig) {
 		boolean changed = false;
 		List oldClasspath = oldConfig.getClasspath();
 		List newClasspath = newConfig.getClasspath();
-		if (changed(oldClasspath,newClasspath)) return true;
+		if (changed(oldClasspath,newClasspath,true)) return true;
 		List oldAspectpath = oldConfig.getAspectpath();
 		List newAspectpath = newConfig.getAspectpath();
-		if (changed(oldAspectpath,newAspectpath)) return true;
+		if (changed(oldAspectpath,newAspectpath,true)) return true;
 		List oldInJars = oldConfig.getInJars();
 		List newInJars = newConfig.getInJars();
-		if (changed(oldInJars,newInJars)) return true;
+		if (changed(oldInJars,newInJars,false)) return true;
 		List oldInPath = oldConfig.getInpath();
 		List newInPath = newConfig.getInpath();
-		if (changed(oldInPath, newInPath)) return true;
+		if (changed(oldInPath, newInPath,false)) return true;
 		return changed;
 	}
 	
-	private boolean changed(List oldPath, List newPath) {
+	private boolean changed(List oldPath, List newPath, boolean checkClassFiles) {
 		if (oldPath == null) oldPath = new ArrayList();
 		if (newPath == null) newPath = new ArrayList();
 		if (oldPath.size() != newPath.size()) {
 			if (f.exists() && !f.isDirectory() && (f.lastModified() >= lastSuccessfulBuildTime)) {
 				return true;
 			}
+			if (f.exists() && f.isDirectory() && checkClassFiles) {
+				return classFileChangedInDirSinceLastBuild(f);
+			}
 		}
 		return false;
 	}

tests/options/aspectpath/MyAspect.aj

+public aspect MyAspect {
+	
+	declare warning : execution(* *(..)) : "a method";
+	
+}

tests/options/aspectpath/MyClass.java

+public class MyClass {
+	
+	void foo() {}
+	
+}

tests/src/org/aspectj/systemtest/ajc150/Ajc150Tests.java

 	  runTest("varargs in constructor sig");
   }
   
+  public void testAspectpathdirs() {
+	  runTest("dirs on aspectpath");
+  }
+  
   // helper methods.....
   
   public SyntheticRepository createRepos(File cpentry) {

tests/src/org/aspectj/systemtest/ajc150/ajc150.xml

         <compile files="HandlerBinding.aj" options="-1.5"/>
         <run class="HandlerBinding"/>    
     </ajc-test>
-    
+        
     <ajc-test dir="java5/annotations/binding" vm="1.5" title="@withincode() and call(* println(..))">
        <compile files="WithinCodeBinding1.aj" options="-1.5"/>
        <run class="WithinCodeBinding1"/>
       <run class="p.q.DeathByAnnotations"/>
    </ajc-test>
 
+
+    <!-- ============================================================== -->
+    
+    <ajc-test dir="options/aspectpath" title="dirs on aspectpath">
+        <compile files="MyAspect.aj" options="-d out"/>
+        <compile files="MyClass.java" options="-aspectpath out">
+            <message kind="warning" line="3" text="a method"/>
+        </compile>
+    </ajc-test>
+
 </suite>

weaver/src/org/aspectj/weaver/bcel/BcelWeaver.java

 
 
 	public void addLibraryJarFile(File inFile) throws IOException  {
-		ZipInputStream inStream = new ZipInputStream(new FileInputStream(inFile)); //??? buffered
+		List addedAspects = null;
+		if (inFile.isDirectory()) {
+			addedAspects = addAspectsFromDirectory(inFile);
+		} else {
+			addedAspects = addAspectsFromJarFile(inFile);
+		}
 		
+		for (Iterator i = addedAspects.iterator(); i.hasNext();) {
+			ResolvedTypeX aspectX = (ResolvedTypeX) i.next();
+			xcutSet.addOrReplaceAspect(aspectX);
+		}
+	}
+
+	private List addAspectsFromJarFile(File inFile) throws FileNotFoundException, IOException {
+		ZipInputStream inStream = new ZipInputStream(new FileInputStream(inFile)); //??? buffered
 		List addedAspects = new ArrayList();
-		
 		while (true) {
 			ZipEntry entry = inStream.getNextEntry();
 			if (entry == null) break;
 				continue;
 			}
 			
-			ClassParser parser = new ClassParser(new ByteArrayInputStream(FileUtil.readAsByteArray(inStream)), entry.getName());
-	        JavaClass jc = parser.parse();
-			inStream.closeEntry();
-			
-			ResolvedTypeX type = world.addSourceObjectType(jc).getResolvedTypeX();
-    		if (type.isAspect()) {
-    			addedAspects.add(type);
-    		}
-			
+			addIfAspect(FileUtil.readAsByteArray(inStream), entry.getName(), addedAspects);
+			inStream.closeEntry();						
 		}
-		
 		inStream.close();
+		return addedAspects;
+	}
+
+	private List addAspectsFromDirectory(File dir) throws FileNotFoundException, IOException{
+		List addedAspects = new ArrayList();
+		File[] classFiles = FileUtil.listFiles(dir,new FileFilter(){
 		
-		for (Iterator i = addedAspects.iterator(); i.hasNext();) {
-			ResolvedTypeX aspectX = (ResolvedTypeX) i.next();
-			xcutSet.addOrReplaceAspect(aspectX);
+			public boolean accept(File pathname) {
+				return pathname.getName().endsWith(".class");
+			}
+		
+		});
+		for (int i = 0; i < classFiles.length; i++) {
+			FileInputStream fis = new FileInputStream(classFiles[i]);
+			byte[] bytes = FileUtil.readAsByteArray(fis);
+			addIfAspect(bytes,classFiles[i].getAbsolutePath(),addedAspects);
 		}
+		return addedAspects;
+	}
+	
+	private void addIfAspect(byte[] bytes, String name, List toList) throws IOException {
+		ClassParser parser = new ClassParser(new ByteArrayInputStream(bytes),name);
+		JavaClass jc = parser.parse();
+		ResolvedTypeX type = world.addSourceObjectType(jc).getResolvedTypeX();
+		if (type.isAspect()) {
+			toList.add(type);
+		}		
 	}
-
 
 //	// The ANT copy task should be used to copy resources across.
 //	private final static boolean CopyResourcesFromInpathDirectoriesToOutput=false;