beginning of branch i2p.i2p.i2p

installer/java/src/CliInstall.java

@@ -0,0 +1,67 @@
+import java.io.*;
+
+public class CliInstall extends Install {
+
+    private BufferedReader _in;
+    private PrintStream _out;
+    
+    public CliInstall() {
+	_out = System.out;
+	_in = new BufferedReader(new InputStreamReader(System.in));
+    }
+
+    public void showStatus(String s) {
+	_out.println(s);
+    }
+    
+    public void showOptError(String s) {
+	_out.println(s);
+    }
+
+    public void handleOptInfo(String s) {
+	_out.println(s);
+    }
+
+    public void startOptCategory(String s) {
+	_out.println("* "+s+"\n");
+    }
+
+    public void finishOptions() {}
+
+    public void handleOption(int number, String question,
+			     String def, String type) {
+	Object value;
+	while(true) {
+	    String answer;
+	    _out.print(question+(def == null?"": (" ["+def+"]"))+": ");
+	    answer = readLine();
+	    if ("".equals(answer) && def != null) {
+		answer = def;
+	    }
+	    if (setOption(number,answer)) break;
+	}
+    }
+
+    public boolean confirmOption(String question, boolean defaultYes) {
+	_out.print(question);
+	return readBool(defaultYes);
+    }
+
+    private String readLine() {
+	try {
+	    return _in.readLine().trim();
+	} catch (IOException ex) {
+	    ex.printStackTrace();
+	    System.exit(1);
+	    return null;
+	}
+    }
+    
+    private boolean readBool(boolean defaultYes) {
+	String str = readLine().toLowerCase();
+	if ("".equals(str)) return defaultYes;
+	return "yes".equals(str) || "y".equals(str) || "true".equals(str)
+	    || "ok".equals(str) || "sure".equals(str)
+	    || "whatever".equals(str);
+    }
+}