feat(OSX Support): Support IDEA launch w/ support by @mbuhot

Closes #1

Author: bentolor

.ideainspect

@@ -2,7 +2,7 @@
 levels: WARNING,ERROR,INFO
 
 # Inspection result files to skip. For example "TodoComment" or "TodoComment.xml".
-skip: TodoComment,Annoatator
+skip: TodoComment,Annotator
 
 # Ignore issues affecting source files matching given regex. Example ".*/generated/.*".
 skipfile: .*/generated/.*,src/main/Foo.java
@@ -11,7 +11,7 @@ skipfile: .*/generated/.*,src/main/Foo.java
 resultdir: target/inspection-results
 
 # IDEA installation home directory. Default: IDEA_HOME environment variable or "idea".
-ideahome: /home/ben/devel/idea
+# ideahome: /home/ben/devel/idea
 
 # Limit IDEA inspection to this directory
 # dir: .

CHANGES.asciidoc

@@ -3,6 +3,7 @@
 [cols="1,5", options="header"]
 |===
 | Version | Change
+| 1.3 | Support for Mac OSX locations of IntelliJ IDEA executables +
 | 1.2 | Add support for configuration file +
         Add debugging flag `-v` +
         Replaced all mandatory CLI options with default values (root directory, IDEA home, Inspection profile name, ...)

README.asciidoc

@@ -200,6 +200,11 @@ the "Root JDK".
 
 To fix this error simply assign every module a SDK other than "Project SDK".
 
+.What shall I pass as IDEA home directory for Mac OSX?
+
+`/Applications/IntelliJ\ IDEA.app` should be the default installation folder.
+
+
 == Source code & Contributions
 
 The source code is located under https://github.com/bentolor/idea-cli-inspector.

ideainspect.groovy

@@ -62,20 +62,14 @@ if (cliOpts.t) {
 // timeout
 // if (cliOpts.to) ideaTimeout = cliOpts.to.toInteger();
 // IDEA home
-def scriptExtension = (System.properties['os.name'].toLowerCase().contains('windows')) ? ".bat" : ".sh"
-def pathSep = File.separator
-def ideaHome = cliOpts.i ?: (System.getenv("IDEA_HOME") ?: "idea")
-def ideaPath = new File(ideaHome + pathSep + "bin" + pathSep + "idea" + scriptExtension)
-assertPath(ideaPath, "IDEA Installation directory",
-           "Use a IDEA_HOME environment variable or the `ideahome` property in `.ideainspect` \n" +
-           "or the `-i` command line option to point me to a valid IntelliJ installation")
+File ideaPath = findIdeaExecutable(cliOpts)
 // Passed project root Directory or working directory
 def rootDir =  cliOpts.r ? new File(cliOpts.r) : Paths.get(".").toAbsolutePath().normalize().toFile()
 def dotIdeaDir = new File(rootDir, ".idea")
 assertPath(dotIdeaDir, "IDEA project directory", "Please set the `rootdir` property to the location of your `.idea` project")
 // Inspection Profile
 def profileName = cliOpts.p ?: "Project_Default.xml"
-def profilePath = new File(dotIdeaDir.path + pathSep + "inspectionProfiles" + pathSep + profileName)
+def profilePath = new File(dotIdeaDir.path + File.separator + "inspectionProfiles" + File.separator + profileName)
 assertPath(profilePath, "IDEA inspection profile file")
 
 // Prepare result directory
@@ -221,6 +215,28 @@ private OptionAccessor parseCli(configArgs) {
   opt
 }
 
+private File findIdeaExecutable(OptionAccessor cliOpts) {
+  def platform = System.properties['os.name'], scriptPath
+  def ideaHome = cliOpts.i ?: (System.getenv("IDEA_HOME") ?: "idea")
+
+  switch (platform) {
+    case ~/^Windows.*/:
+      scriptPath =  "bin" + File.separator + "idea.bat"
+      break;
+    case "Mac OS X":
+      scriptPath = "Contents/MacOS/idea
+      break;
+    default:
+      scriptPath = "bin/idea.sh"
+      break;
+  }
+
+  def ideaExecutable = new File(ideaHome + File.separator + scriptPath)
+  assertPath(ideaExecutable, "IDEA Installation directory",
+             "Use a IDEA_HOME environment variable or the `ideahome` property in `.ideainspect` \n" +
+                     "or the `-i` command line option to point me to a valid IntelliJ installation")
+  ideaExecutable
+}
 
 private analyzeResult(File resultPath, List<String> acceptedLeves,
                       List skipResults, List skipIssueFilesRegex) {