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comparison src/main/java/de/mpiwg/gazetteer/utils/FileManager.java @ 0:3e62083dbcbf

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First commit. This project comes from LGServer. We removed the framework icefaces. Now, LGServices uses just JSP and jquery.
author "jurzua <jurzua@mpiwg-berlin.mpg.de>"
date Thu, 23 Apr 2015 15:46:01 +0200
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children 37840afb7b80
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-1:000000000000 0:3e62083dbcbf
1 package de.mpiwg.gazetteer.utils;
2
3 import java.io.File;
4 import java.io.PrintWriter;
5 import java.nio.file.Files;
6 import java.nio.file.Paths;
7 import java.text.DateFormat;
8 import java.text.SimpleDateFormat;
9 import java.util.Date;
10 import java.util.UUID;
11
12 import org.apache.commons.lang.RandomStringUtils;
13 import org.apache.commons.lang.StringUtils;
14 import org.apache.log4j.Logger;
15
16 import de.mpiwg.gazetteer.bo.LGBranch;
17 import de.mpiwg.gazetteer.bo.LGFile;
18
19 public class FileManager {
20
21 private static Logger logger = Logger.getLogger(FileManager.class);
22
23 private static DateFormat dfmt = new SimpleDateFormat( "yyyy.MM.dd_hh.mm.ss.SSS" );
24
25
26
27 private static String getRootPath() throws Exception{
28 String base = PropertiesUtils.getPropValue("files_root");
29
30 if(StringUtils.isEmpty(base)){
31 throw new Exception("Property files_root no found. The files can be stored without this property.");
32 }
33
34 if(!base.endsWith("/")){
35 base += "/";
36 }
37
38 logger.info("files_root=" + base);
39
40 return base;
41 }
42
43 public static String saveFile(LGBranch branch, LGFile file, Date date, Long userId) throws Exception{
44
45 String absolutePath = getRootPath() + branch.getSectionId() + "/";
46 String fileName =
47 branch.getSectionId() + "_" +
48 branch.getId() + "_" +
49 file.getId() + "_" +
50 dfmt.format(date) + "_" +
51 userId +
52 ".txt";
53
54 File folder = new File(absolutePath);
55 folder.mkdirs();
56
57 logger.info("Trying to save file " + absolutePath + fileName + ".");
58
59 PrintWriter out = new PrintWriter(absolutePath + fileName);
60 out.println(file.getContent());
61 out.close();
62
63 logger.info("The file " + fileName + " has been saved correctly.");
64 return fileName;
65 }
66
67 public static String getFileAsText(LGFile file) throws Exception{
68
69 LGBranch branch = DataProvider.getInstance().getBranch(file.getBranchId());
70
71 String absolutePath = getRootPath() + branch.getSectionId() + "/" + file.getFileName();
72 System.out.println("Loading: " + absolutePath);
73 byte[] encoded = Files.readAllBytes(Paths.get(absolutePath));
74 return new String(encoded, "UTF8");
75 }
76
77 public static File getFileAsFile(LGFile file) throws Exception{
78
79 LGBranch branch = DataProvider.getInstance().getBranch(file.getBranchId());
80
81 String absolutePath = getRootPath() + branch.getSectionId() + "/" + file.getFileName();
82 System.out.println("Loading: " + absolutePath);
83 return new File(absolutePath);
84 }
85
86
87 }