Documentation #3

Author: tomasbjerre

README.md

@@ -42,7 +42,7 @@ Here is and example that will generate a CHANGELOG.md. There is also a running e
 ```
 
 
-This setup has a settings file, changelog.json, like this:
+This setup has a settings file, changelog.json, [documented here](https://github.com/tomasbjerre/git-changelog/blob/master/src/main/java/se/bjurr/gitchangelog/internal/settings/Settings.java). May look something like this:
 
 ```
 {

src/main/java/se/bjurr/gitchangelog/plugin/GitChangelogMojo.java

@@ -52,34 +52,34 @@ public void execute() throws MojoExecutionException {
      .withSettings(new File(settingsFile).toURI().toURL()) //
      .withToRef(toRef);
 
-   if (!isNullOrEmpty(templateFile)) {
+   if (isSupplied(templateFile)) {
     builder //
       .withTemplatePath(templateFile);
    }
-   if (!isNullOrEmpty(templateContent)) {
+   if (isSupplied(templateContent)) {
     builder //
       .withTemplateContent(templateContent);
    }
-   if (!isNullOrEmpty(fromCommit)) {
+   if (isSupplied(fromCommit)) {
     builder //
       .withFromCommit(fromCommit);
    }
-   if (!isNullOrEmpty(fromRef)) {
+   if (isSupplied(fromRef)) {
     builder //
       .withFromRef(fromRef);
    }
-   if (!isNullOrEmpty(toCommit)) {
+   if (isSupplied(toCommit)) {
     builder //
       .withToCommit(toCommit);
    }
 
-   if (!isNullOrEmpty(filePath)) {
+   if (isSupplied(filePath)) {
     builder //
       .toFile(filePath);
     getLog().info("Git Changelog written to " + filePath);
    }
 
-   if (!isNullOrEmpty(mediaWikiUrl)) {
+   if (isSupplied(mediaWikiUrl)) {
     builder//
       .toMediaWiki(//
         mediaWikiUsername,//
@@ -92,4 +92,8 @@ public void execute() throws MojoExecutionException {
    getLog().error("GitChangelog", e);
   }
  }
+
+ private boolean isSupplied(String parameter) {
+  return !isNullOrEmpty(parameter);
+ }
 }