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Add help text to BuildCheckpoints.

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This commit is contained in:
Andreas Schildbach 2015-08-07 17:20:22 +02:00
parent 0e7819d1bf
commit e978ff4997
3 changed files with 15 additions and 3 deletions
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7
tools/src/main/java/org/bitcoinj/tools/BuildCheckpoints.java
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@ -26,6 +26,7 @@ import org.bitcoinj.store.MemoryBlockStore;
import org.bitcoinj.utils.BriefLogFormatter; import org.bitcoinj.utils.BriefLogFormatter;
import org.bitcoinj.utils.Threading; import org.bitcoinj.utils.Threading;
import com.google.common.base.Charsets; import com.google.common.base.Charsets;
import com.google.common.io.Resources;
import joptsimple.OptionParser; import joptsimple.OptionParser;
import joptsimple.OptionSet; import joptsimple.OptionSet;
import joptsimple.OptionSpec; import joptsimple.OptionSpec;
@ -55,10 +56,16 @@ public class BuildCheckpoints {
public static void main(String[] args) throws Exception { public static void main(String[] args) throws Exception {
OptionParser parser = new OptionParser(); OptionParser parser = new OptionParser();
parser.accepts("help");
OptionSpec<NetworkEnum> netFlag = parser.accepts("net").withRequiredArg().ofType(NetworkEnum.class).defaultsTo(NetworkEnum.MAIN); OptionSpec<NetworkEnum> netFlag = parser.accepts("net").withRequiredArg().ofType(NetworkEnum.class).defaultsTo(NetworkEnum.MAIN);
OptionSpec<Integer> daysFlag = parser.accepts("days").withRequiredArg().ofType(Integer.class).defaultsTo(30); OptionSpec<Integer> daysFlag = parser.accepts("days").withRequiredArg().ofType(Integer.class).defaultsTo(30);
OptionSet options = parser.parse(args); OptionSet options = parser.parse(args);
if (options.has("help")) {
System.out.println(Resources.toString(BuildCheckpoints.class.getResource("build-checkpoints-help.txt"), Charsets.UTF_8));
return;
}
String suffix; String suffix;
switch (netFlag.value(options)) { switch (netFlag.value(options)) {
case MAIN: case MAIN:

4
tools/src/main/java/org/bitcoinj/tools/WalletTool.java
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@ -226,11 +226,9 @@ public class WalletTool {
parser.accepts("dump-privkeys"); parser.accepts("dump-privkeys");
options = parser.parse(args); options = parser.parse(args);
final String HELP_TEXT = Resources.toString(WalletTool.class.getResource("wallet-tool-help.txt"), Charsets.UTF_8);
if (args.length == 0 || options.has("help") || if (args.length == 0 || options.has("help") ||
options.nonOptionArguments().size() < 1 || options.nonOptionArguments().contains("help")) { options.nonOptionArguments().size() < 1 || options.nonOptionArguments().contains("help")) {
System.out.println(HELP_TEXT); System.out.println(Resources.toString(WalletTool.class.getResource("wallet-tool-help.txt"), Charsets.UTF_8));
return; return;
} }

7
tools/src/main/resources/org/bitcoinj/tools/build-checkpoints-help.txt Normal file
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@ -0,0 +1,7 @@
BuildCheckpoints: create checkpoint files to use with CheckpointManager
Usage: build-checkpoints --flags
>>> OPTIONS
--net=XXX Which network to connect to, defaults to MAIN, can also be TEST or REGTEST.
--days=<int> How many days to keep as a safety margin. Checkpointing will be done up to this many days ago.