001package org.intellimate.izou.system.file;
002
003import org.intellimate.izou.main.Main;
004import org.intellimate.izou.util.IzouModule;
005
006import java.io.File;
007import java.io.IOException;
008import java.net.URISyntaxException;
009import java.nio.file.Files;
010
011/**
012 * FileSystemManager is responsible for creating all the files and folders Izou needs to operate
013 */
014public class FileSystemManager extends IzouModule {
015    /**
016     * Path to log files
017     */
018    private final File izouParentLocation;
019    private final File izouJarLocation;
020    private final File libLocation;
021    private final File resourceLocation;
022    private final File propertiesLocation;
023    private final File logsLocation;
024    private final File systemLocation;
025    private final File systemDataLocation;
026
027    /**
028     * Creates a file system manager
029     *
030     * @param main an instance of main
031     */
032    public FileSystemManager(Main main) {
033        super(main);
034        try {
035            izouJarLocation = new File(FileSystemManager.class.getProtectionDomain()
036                    .getCodeSource().getLocation().toURI().getPath());
037            if (Boolean.getBoolean("debug")) {
038                izouParentLocation = new File(".");
039            } else {
040                izouParentLocation = izouJarLocation.getParentFile();
041            }
042            libLocation = new File(izouParentLocation.toString() + File.separator + "lib").getCanonicalFile();
043            resourceLocation = new File(izouParentLocation.toString() + File.separator + "resources").getCanonicalFile();
044            propertiesLocation = new File(izouParentLocation.toString() + File.separator + "properties").getCanonicalFile();
045            logsLocation = new File(izouParentLocation.toString() + File.separator + "logs").getCanonicalFile();
046            systemLocation = new File(izouParentLocation.toString() +  File.separator + "system").getCanonicalFile();
047            systemDataLocation = new File(izouParentLocation.toString() +  File.separator + "system"
048                    + File.separator + "data").getCanonicalFile();
049        } catch (URISyntaxException | IOException e) {
050            error("unable to create the Izou-file system");
051            throw new IllegalStateException("unable to create the Izou-file system");
052        }
053    }
054
055    /**
056     * creates Izou file-system
057     *
058     * @throws IOException could throw IOException because working with files
059     */
060    public void createIzouFileSystem() throws IOException {
061        createLibFolder();
062        createResourceFolder();
063        createPropertiesFolder();
064        createLogsFolder();
065        createSystemFolder();
066        createSystemDataFolder();
067    }
068
069    /**
070     * create lib folder
071     *
072     * @throws IOException could throw IOException because working with files
073     */
074    private void createLibFolder() throws IOException {
075        if(!Files.exists(libLocation.toPath()))
076            Files.createDirectories(libLocation.toPath());
077    }
078
079    /**
080     * create resource folder
081     *
082     * @throws IOException could throw IOException because working with files
083     */
084    private void createResourceFolder() throws IOException {
085        if(!Files.exists(resourceLocation.toPath()))
086            Files.createDirectories(resourceLocation.toPath());
087    }
088
089    /**
090     * create properties folder
091     *
092     * @throws IOException could throw IOException because working with files
093     */
094    private void createPropertiesFolder() throws IOException {
095        if(!Files.exists(propertiesLocation.toPath()))
096            Files.createDirectories(propertiesLocation.toPath());
097    }
098
099    /**
100     * Create logs folder
101     *
102     * @throws IOException could throw IOException because working with files
103     */
104    private void createLogsFolder() throws IOException {
105        if(!Files.exists(logsLocation.toPath()))
106            Files.createDirectories(logsLocation.toPath());
107    }
108
109    /**
110     * Create system folder
111     *
112     * @throws IOException could throw IOException because working with files
113     */
114    private void createSystemFolder() throws IOException {
115        if(!Files.exists(systemLocation.toPath()))
116            Files.createDirectories(systemLocation.toPath());
117    }
118
119    /**
120     * Create system/data folder
121     *
122     * @throws IOException could throw IOException because working with files
123     */
124    private void createSystemDataFolder() throws IOException {
125        if(!Files.exists(systemDataLocation.toPath()))
126            Files.createDirectories(systemDataLocation.toPath());
127    }
128
129    public File getIzouParentLocation() {
130        return izouParentLocation;
131    }
132
133    public File getLibLocation() {
134        return libLocation;
135    }
136
137    public File getResourceLocation() {
138        return resourceLocation;
139    }
140
141    public File getPropertiesLocation() {
142        return propertiesLocation;
143    }
144
145    public File getLogsLocation() {
146        return logsLocation;
147    }
148
149    public File getIzouJarLocation() {
150        return izouJarLocation;
151    }
152
153    public File getSystemLocation() {
154        return systemLocation;
155    }
156
157    public File getSystemDataLocation() {
158        return systemDataLocation;
159    }
160}