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

   1 /*
   2  * Instantlauncher. Author: Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  */
   5 package eu.svjatoslav.instantlauncher.configuration;
   6
   7 import com.esotericsoftware.yamlbeans.YamlConfig;
   8 import com.esotericsoftware.yamlbeans.YamlReader;
   9 import com.esotericsoftware.yamlbeans.YamlWriter;
  10
  11 import java.io.*;
  12 import java.util.HashSet;
  13
  14 public class ConfigurationManager {
  15
  16     private static final String CONFIG_FILE_NAME = ".instantlauncher";
  17     private Configuration configuration;
  18
  19     public ConfigurationManager() throws IOException {
  20         initConfig();
  21     }
  22
  23     public Configuration getConfiguration() {
  24         return configuration;
  25     }
  26
  27     private File getPropertiesFile() {
  28         return new File(System.getProperty("user.home") + "/" + CONFIG_FILE_NAME);
  29     }
  30
  31
  32     private void initConfig() throws IOException {
  33         final File propertiesFile = getPropertiesFile();
  34         if (!propertiesFile.exists()) {
  35             initDefaultConfiguration();
  36         } else
  37             loadConfigFile(propertiesFile);
  38     }
  39
  40     private void loadConfigFile(File propertiesFile) throws IOException {
  41         YamlReader reader = new YamlReader(new FileReader(propertiesFile));
  42         configureYaml(reader.getConfig());
  43         configuration = reader.read(Configuration.class);
  44         if (configuration == null)
  45             initDefaultConfiguration();
  46     }
  47
  48     private void saveConfigFile() throws IOException {
  49         YamlWriter writer = new YamlWriter(new FileWriter(getPropertiesFile()));
  50         configureYaml(writer.getConfig());
  51         writer.write(configuration);
  52         writer.close();
  53     }
  54
  55     private void configureYaml(YamlConfig config) {
  56         config.setClassTag("configuration",  Configuration.class);
  57         config.setPropertyElementType(Configuration.class, "fileAssociations", FileAssociation.class);
  58     }
  59
  60     private void registerFileAssociation(String fileRegex, String command) {
  61         FileAssociation association = new FileAssociation(fileRegex, command);
  62         configuration.fileAssociations.add(association);
  63     }
  64
  65     private void initDefaultConfiguration() throws IOException {
  66         configuration = new Configuration();
  67         configuration.fileAssociations = new HashSet<>();
  68
  69         configuration.navigationRootPath = System.getProperty("user.home") + "/";
  70         configuration.directoryOpenCommand = "nautilus -w {file}";
  71         configuration.directoryTerminalOpenCommand = "gnome-terminal --working-directory={file}";
  72
  73         registerFileAssociation(".*\\.jpeg$", "eog {file}");
  74         registerFileAssociation(".*\\.jpg$", "eog {file}");
  75         registerFileAssociation(".*\\.png$", "eog {file}");
  76         registerFileAssociation(".*\\.txt$", "emacs {file}");
  77         registerFileAssociation(".*\\.org$", "emacs {file}");
  78         registerFileAssociation(".*\\.avi$", "vlc {file}");
  79         registerFileAssociation(".*\\.mp4$", "vlc {file}");
  80         registerFileAssociation(".*\\.mkv$", "vlc {file}");
  81
  82         saveConfigFile();
  83     }
  84 }