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Control API logging using the bitcoinj.logging global property.

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This commit is contained in:
Mike Hearn 2011-03-08 17:48:03 +00:00
parent f97cde4c34
commit 99d155e0fe
1 changed files with 8 additions and 1 deletions
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9
src/com/google/bitcoin/core/Utils.java
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@ -26,6 +26,7 @@ import java.security.NoSuchAlgorithmException;
/**
* A collection of various utility methods that are helpful for working with the BitCoin protocol.
* To enable debug logging from the library, run with -Dbitcoinj.logging=true on your command line.
*/
public class Utils {
/** How many nanocoins there are in a BitCoin. */
@ -33,6 +34,12 @@ public class Utils {
/** How many nanocoins there are in 0.01 BitCoins. */
public static final BigInteger CENT = new BigInteger("1000000", 10);
private static boolean logging;
static {
logging = Boolean.parseBoolean(System.getProperty("bitcoinj.logging", "false"));
}
/** Convert an amount expressed in the way humans are used to into nanocoins. */
public static BigInteger toNanoCoins(int coins, int cents) {
assert cents < 100;
@ -159,7 +166,7 @@ public class Utils {
static void LOG(String msg) {
// Set this to true to see debug prints from the library.
if (false) {
if (logging) {
System.out.print("BitCoin: ");
System.out.println(msg);
}