working jpackage build

2021-03-18 23:54:13 +00:00
parent ac6f02e5c2
commit bc4c60168f
2 changed files with 130 additions and 0 deletions
--- a/java/net/i2p/router/PackageLauncher.java
+++ b/java/net/i2p/router/PackageLauncher.java
@ -0,0 +1,82 @@
+package net.i2p.router;
+
+import net.i2p.util.SystemVersion;
+
+import java.io.*;
+import java.nio.file.*;
+
+public class PackageLauncher {
+    public static void main(String[]args) throws Exception {
+        if (!(SystemVersion.isWindows() || SystemVersion.isMac())) {
+            System.err.println("This launcher will work only on Windows or Mac");
+            System.exit(1);
+        }
+
+        // 1. Select home directory
+        File home = selectHome();
+        if (!home.exists())
+            home.mkdirs();
+        else if (!home.isDirectory()) {
+            System.err.println(home + " exists but is not a directory.  Please get it out of the way");
+            System.exit(1);
+        }
+
+        // 2. Deploy resources
+        var resourcesList = PackageLauncher.class.getClassLoader().getResourceAsStream("resources.csv");
+        var reader = new BufferedReader(new InputStreamReader(resourcesList));
+
+        String line;
+        while((line = reader.readLine()) != null) {
+            deployResource(home, line);
+        }
+
+        // 3. Set up environment vars
+        System.setProperty("i2p.dir.base", home.getAbsolutePath());
+        System.setProperty("i2p.dir.config", home.getAbsolutePath());
+        System.setProperty("geoip.dir", home.getAbsolutePath() + File.separator + "geoip");
+            // hmm what else?
+
+        // 4. Launch router
+        RouterLaunch.main(args);
+    }
+
+
+    private static File selectHome() throws Exception {
+        File home = new File(System.getProperty("user.home"));
+        File i2p;
+        if (SystemVersion.isMac()) {
+            File library = new File(home, "Library");
+            File appSupport = new File(library, "Application Support");
+            i2p = new File(appSupport, "I2P");
+        } else {
+            // windows
+            File appData = new File(home, "AppData");
+            File roaming = new File(appData, "Roaming");
+            i2p = new File(roaming, "I2P");
+        }
+        return i2p.getAbsoluteFile();
+    }
+
+    private static void deployResource(File home, String description) throws Exception {
+        String []split = description.split(",");
+        String url = split[0];
+        String target = split[1];
+
+        var resource = PackageLauncher.class.getClassLoader().getResourceAsStream(url);
+
+        File targetFile = home;
+        for (String element : target.split("/")) {
+            targetFile = new File(targetFile, element);
+        }
+
+        File targetDir = targetFile.getParentFile();
+        if (!targetDir.exists())
+            targetDir.mkdirs();
+        else if (!targetDir.isDirectory())
+            throw new Exception(targetDir + " exists but not a directory.  Please get it out of the way");
+
+        Files.copy(resource, targetFile.toPath(), StandardCopyOption.REPLACE_EXISTING);
+    }
+}
+
+