src/main/java/eu/svjatoslav/instantlauncher/configuration/ConfigurationManager.java

   1 package eu.svjatoslav.instantlauncher.configuration;
   2
   3 import com.esotericsoftware.yamlbeans.YamlReader;
   4 import com.esotericsoftware.yamlbeans.YamlWriter;
   5
   6 import java.io.*;
   7 import java.util.HashSet;
   8
   9 public class ConfigurationManager {
  10
  11     private static final String CONFIG_FILE_NAME = ".instantlauncher";
  12     private Configuration configuration;
  13
  14     public ConfigurationManager() throws IOException {
  15         initConfig();
  16     }
  17
  18     public Configuration getConfiguration() {
  19         return configuration;
  20     }
  21
  22     private File getPropertiesFile() {
  23         return new File(System.getProperty("user.home") + "/" + CONFIG_FILE_NAME);
  24     }
  25
  26
  27     private void initConfig() throws IOException {
  28         final File propertiesFile = getPropertiesFile();
  29         if (!propertiesFile.exists()) {
  30             initDefaultConfiguration();
  31             saveConfigFile();
  32         } else
  33             loadConfigFile(propertiesFile);
  34     }
  35
  36     private void loadConfigFile(File propertiesFile) throws FileNotFoundException, com.esotericsoftware.yamlbeans.YamlException {
  37         YamlReader reader = new YamlReader(new FileReader(propertiesFile));
  38         configuration = reader.read(Configuration.class);
  39         if (configuration == null) {
  40             configuration = new Configuration();
  41             configuration.fileAssociations = new HashSet<>();
  42         }
  43     }
  44
  45     private void saveConfigFile() throws IOException {
  46         YamlWriter writer = new YamlWriter(new FileWriter(getPropertiesFile()));
  47         writer.write(configuration);
  48         writer.close();
  49     }
  50
  51     private void registerFileAssociation(String fileRegex, String command) {
  52         FileAssociation association = new FileAssociation(fileRegex, command);
  53         configuration.fileAssociations.add(association);
  54     }
  55
  56     private void initDefaultConfiguration() {
  57         configuration.navigationRootPath = System.getProperty("user.home") + "/";
  58         configuration.directoryOpenCommand = "nautilus -w {file}";
  59
  60         registerFileAssociation(".*\\.jpeg$", "eog {file}");
  61         registerFileAssociation(".*\\.jpg$", "eog {file}");
  62         registerFileAssociation(".*\\.png$", "eog {file}");
  63         registerFileAssociation(".*\\.txt$", "emacs {file}");
  64         registerFileAssociation(".*\\.org$", "emacs {file}");
  65         registerFileAssociation(".*\\.avi$", "vlc {file}");
  66         registerFileAssociation(".*\\.mp4$", "vlc {file}");
  67         registerFileAssociation(".*\\.mkv$", "vlc {file}");
  68     }
  69 }