Improve the error message when additional build-info prop has null value

Closes gh-6724
This commit is contained in:
Andy Wilkinson 2016-08-23 11:22:44 +01:00
parent f41e629760
commit 742657983b
2 changed files with 32 additions and 2 deletions

View File

@ -22,6 +22,7 @@ import java.io.IOException;
import java.text.SimpleDateFormat; import java.text.SimpleDateFormat;
import java.util.Date; import java.util.Date;
import java.util.Map; import java.util.Map;
import java.util.Map.Entry;
import java.util.Properties; import java.util.Properties;
/** /**
@ -119,9 +120,21 @@ public final class BuildPropertiesWriter {
this.artifact = artifact; this.artifact = artifact;
this.name = name; this.name = name;
this.version = version; this.version = version;
validateAdditionalProperties(additionalProperties);
this.additionalProperties = additionalProperties; this.additionalProperties = additionalProperties;
} }
private static void validateAdditionalProperties(
Map<String, String> additionalProperties) {
if (additionalProperties != null) {
for (Entry<String, String> property : additionalProperties.entrySet()) {
if (property.getValue() == null) {
throw new NullAdditionalPropertyValueException(property.getKey());
}
}
}
}
public String getGroup() { public String getGroup() {
return this.group; return this.group;
} }
@ -143,4 +156,16 @@ public final class BuildPropertiesWriter {
} }
} }
/**
* Exception thrown when an additional property with a null value is encountered.
*/
public static class NullAdditionalPropertyValueException
extends IllegalArgumentException {
public NullAdditionalPropertyValueException(String name) {
super("Additional property '" + name + "' is illegal as its value is null");
}
}
} }

View File

@ -28,6 +28,7 @@ import org.apache.maven.plugins.annotations.Parameter;
import org.apache.maven.project.MavenProject; import org.apache.maven.project.MavenProject;
import org.springframework.boot.loader.tools.BuildPropertiesWriter; import org.springframework.boot.loader.tools.BuildPropertiesWriter;
import org.springframework.boot.loader.tools.BuildPropertiesWriter.NullAdditionalPropertyValueException;
import org.springframework.boot.loader.tools.BuildPropertiesWriter.ProjectDetails; import org.springframework.boot.loader.tools.BuildPropertiesWriter.ProjectDetails;
/** /**
@ -53,8 +54,8 @@ public class BuildInfoMojo extends AbstractMojo {
private File outputFile; private File outputFile;
/** /**
* Additional properties to store in the build-info.properties. Each entry is prefixed by * Additional properties to store in the build-info.properties. Each entry is prefixed
* {@code build.} in the generated build-info.properties. * by {@code build.} in the generated build-info.properties.
*/ */
@Parameter @Parameter
private Map<String, String> additionalProperties; private Map<String, String> additionalProperties;
@ -67,6 +68,10 @@ public class BuildInfoMojo extends AbstractMojo {
this.project.getArtifactId(), this.project.getVersion(), this.project.getArtifactId(), this.project.getVersion(),
this.project.getName(), this.additionalProperties)); this.project.getName(), this.additionalProperties));
} }
catch (NullAdditionalPropertyValueException ex) {
throw new MojoFailureException(
"Failed to generated build-info.properties. " + ex.getMessage(), ex);
}
catch (Exception ex) { catch (Exception ex) {
throw new MojoExecutionException(ex.getMessage(), ex); throw new MojoExecutionException(ex.getMessage(), ex);
} }