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Fix a NPE created by the last pr.

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Sorry about that.
This commit is contained in:
XenoAmess
2020-08-26 21:08:51 +08:00
parent 90f53f892f
commit efd87c50e4
1 changed files with 2 additions and 2 deletions
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4
pmd-core/src/main/java/net/sourceforge/pmd/cli/PMDCommandLineInterface.java
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@ -60,7 +60,7 @@ public final class PMDCommandLineInterface {
public static String buildUsageText(JCommander jcommander) {
StringBuilder usage = new StringBuilder();
StringBuilder allCommandsDescription = null;
StringBuilder allCommandsDescription = new StringBuilder();
if (jcommander != null && jcommander.getCommands() != null) {
for (String command : jcommander.getCommands().keySet()) {
allCommandsDescription.append(jcommander.getCommandDescription(command)).append(PMD.EOL);
@ -77,7 +77,7 @@ public final class PMDCommandLineInterface {
fullText += supportedVersions() + PMD.EOL;
if (allCommandsDescription != null) {
if (allCommandsDescription.length() != 0) {
fullText += "Optional arguments that may be put before or after the mandatory arguments: " + PMD.EOL
+ allCommandsDescription + PMD.EOL;
}