basic support for java files

src/FileTypeFactory.cpp

@@ -5,6 +5,7 @@
 #include "FileType_Unknown.h"
 #include "FileType_VB.h"
 #include "FileType_Ada.h"
+#include "FileType_Java.h"
 #include "StringUtil.h"
 
 #include <algorithm>
@@ -26,6 +27,8 @@ IFileTypePtr FileTypeFactory::CreateFileType(
         fileType.reset(new FileType_VB(ignorePrepStuff, minChars));
     else if (ext == "ads" || ext == "adb")
         fileType.reset(new FileType_Ada(ignorePrepStuff, minChars));
+    else if (ext == "java")
+        fileType.reset(new FileType_Java(ignorePrepStuff, minChars));
     else
         fileType.reset(new FileType_Unknown(minChars));
     return fileType;

src/FileType_Java.cpp

@@ -0,0 +1,30 @@
+#include "FileType_Java.h"
+#include "CstyleCommentsFilter.h"
+#include "CstyleUtils.h"
+#include "SourceLine.h"
+
+#include <cstring>
+
+FileType_Java::FileType_Java(bool ignorePrepStuff, unsigned minChars)
+    : FileTypeBase(ignorePrepStuff, minChars) {
+}
+
+ILineFilterPtr FileType_Java::CreateLineFilter() const {
+    return std::make_shared<CstyleCommentsLineFilter>();
+}
+
+std::string FileType_Java::GetCleanLine(const std::string& line) const {
+    return CstyleUtils::RemoveSingleLineComments(line);
+}
+
+bool FileType_Java::IsPreprocessorDirective(const std::string& line) const {
+    // look for other markers to avoid
+    const char* markers[] = { "package", "import", "private", "protected", "public" };
+
+    for (auto v : markers) {
+        if (line.find(v, 0, std::strlen(v)) != std::string::npos)
+            return true;
+    }
+
+    return false;
+}

src/FileType_Java.h

@@ -0,0 +1,16 @@
+#ifndef _FILETYPE_JAVA_H_
+#define _FILETYPE_JAVA_H_
+
+#include "FileTypeBase.h"
+
+struct FileType_Java : public FileTypeBase {
+    FileType_Java(bool ignorePrepStuff, unsigned minChars);
+
+    ILineFilterPtr CreateLineFilter() const override;
+
+    std::string GetCleanLine(const std::string& line) const override;
+
+    bool IsPreprocessorDirective(const std::string& line) const override;
+};
+
+#endif