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Fix to allow empty argument in maven plugin. Fixes gh-9713 #9916

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Fix to allow empty argument in maven plugin. Fixes gh-9713 #9916

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ae0c67f
Fix to allow empty argument in maven plugin. Fixes gh-9713
bjornlindstrom Jul 31, 2017
ce25033
Refactor code to populate list of arguments.
bjornlindstrom Jul 31, 2017
309a3de
Fix checkstyle problem with import.
bjornlindstrom Aug 1, 2017
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8 changes: 6 additions & 2 deletions ...s/spring-boot-maven-plugin/src/main/java/org/springframework/boot/maven/RunArguments.java
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,8 @@

import org.codehaus.plexus.util.cli.CommandLineUtils;

import org.springframework.util.StringUtils;

/**
* Parse and expose arguments specified in a single string.
*
Expand All @@ -31,14 +33,16 @@ class RunArguments {

private static final String[] NO_ARGS = {};

private final LinkedList<String> args;
private final LinkedList<String> args = new LinkedList<>();
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it's better to initialize instance variables inside constructors instead of at the declaration level


RunArguments(String arguments) {
this(parseArgs(arguments));
}

RunArguments(String[] args) {
this.args = new LinkedList<>(Arrays.asList(args));
if (args != null) {
Arrays.stream(args).filter(StringUtils::hasLength).forEach(this.args::add);
}
}

public LinkedList<String> getArgs() {
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14 changes: 14 additions & 0 deletions ...ing-boot-maven-plugin/src/test/java/org/springframework/boot/maven/RunArgumentsTests.java
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Expand Up @@ -34,6 +34,20 @@ public void parseNull() {
assertThat(args.length).isEqualTo(0);
}

@Test
public void parseNullArray() {
String[] args = new RunArguments((String[]) null).asArray();
assertThat(args).isNotNull();
assertThat(args.length).isEqualTo(0);
}

@Test
public void parseArrayContainingNullValue() {
String[] args = new RunArguments(new String[]{null}).asArray();
assertThat(args).isNotNull();
assertThat(args.length).isEqualTo(0);
}

@Test
public void parseEmpty() {
String[] args = parseArgs(" ");
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