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Refactored category value creation

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This commit is contained in:
Patrick Gotthard 2016-01-08 20:03:46 +01:00
parent db6138b440
commit 5133609c6e
1 changed files with 10 additions and 7 deletions
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17
src/main/java/com/rometools/opml/io/impl/OPML20Generator.java
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@ -72,27 +72,30 @@ public class OPML20Generator extends OPML10Generator {
}
final List<String> categories = outline.getCategories();
final String categoriesValue = generateCategoriesValue(categories);
addNotNullAttribute(outlineElement, "category", categoriesValue);
final String categoryValue = generateCategoryValue(categories);
addNotNullAttribute(outlineElement, "category", categoryValue);
return outlineElement;
}
private String generateCategoriesValue(final Collection<String> categories) {
private String generateCategoryValue(final Collection<String> categories) {
final StringBuilder builder = new StringBuilder();
for (final String category : categories) {
if (category != null && !category.trim().isEmpty()) {
builder.append("/");
builder.append(category.trim());
}
}
final String categoryString = builder.toString();
if (categoryString == null || categoryString.isEmpty()) {
return null;
if (builder.length() > 0) {
return builder.toString();
} else {
return categoryString;
return null;
}
}
}