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public class Item {
private final Map<String, Set<String>> attributes;
public Item(Map<String, Set<String>> attributes) {
this.attributes = attributes;
}
public boolean attributeExists(String attributeName) {
return attributes.containsKey(attributeName);
}
public Set<String> values(String attributeName) {
return attributes.get(attributeName);
}
public String getSingleValue(String attributeName) {
return values(attributeName).iterator().next();
}
}
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