| package opennlp.tools.enron_email_recognizer; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.ArrayList; |
| |
| import org.apache.commons.io.FileUtils; |
| |
| public class EmailNormalizer { |
| protected ArrayList<File> queue = new ArrayList<File>(); |
| |
| protected void addFilesPos(File file) { |
| |
| if (!file.exists()) { |
| System.out.println(file + " does not exist."); |
| } |
| if (file.isDirectory()) { |
| for (File f : file.listFiles()) { |
| addFilesPos(f); |
| System.out.println(f.getName()); |
| } |
| } else { |
| queue.add(file); |
| } |
| } |
| |
| public static final String[] headers = new String[] { |
| "Message-ID:", |
| "Date:", |
| "From:", |
| "To:", |
| "Subject:", |
| "Mime-Version:", |
| "Content-T", |
| "X-From:", |
| "X-To:", |
| "X-cc:", |
| "X-bcc:", |
| "X-Folder:", |
| "X-Origin:", |
| "X-FileName", |
| "cc:", |
| "----", |
| }; |
| |
| public static final String[] prohibitedStrings = new String[] { |
| "@", "<", ">" |
| }; |
| |
| private String OrigFolder = "maildir_ENRON_EMAILS", NewFolder = "data"; |
| |
| |
| |
| public void normalizeAndWriteIntoANewFile(File f){ |
| String content=""; |
| try { |
| content = FileUtils.readFileToString(f); |
| } catch (IOException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| String[] lines = content.split("\n"); |
| StringBuffer buf = new StringBuffer(); |
| for(String l: lines){ |
| boolean bAccept = true; |
| for(String h: headers){ |
| if (l.startsWith(h)){ |
| bAccept = false; |
| } |
| } |
| for(String h: prohibitedStrings){ |
| if (l.indexOf(h)>0){ |
| bAccept = false; |
| } |
| } |
| if (bAccept) |
| buf.append(l+"\n"); |
| } |
| String directoryNew = f.getAbsolutePath().replace(OrigFolder, NewFolder); |
| try { |
| String fullFileNameNew = directoryNew +"txt"; |
| FileUtils.writeStringToFile(new File(fullFileNameNew), buf.toString()); |
| } catch (IOException e) { |
| // TODO Auto-generated catch block |
| e.printStackTrace(); |
| } |
| } |
| |
| public void normalizeDirectory(File f){ |
| addFilesPos(f); |
| for(File e: queue){ |
| normalizeAndWriteIntoANewFile(e); |
| } |
| } |
| |
| public static void main(String[] args){ |
| EmailNormalizer nrm = new EmailNormalizer(); |
| nrm.normalizeDirectory(new File("/Users/bgalitsky/Documents/ENRON/maildir_ENRON_EMAILS")); |
| } |
| } |