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LangString.java
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LangString.java
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package cz.cvut.kbss.ontodriver.model;
import java.io.Serializable;
import java.util.Objects;
import java.util.Optional;
/**
* Represents a string value with a (optional) language tag.
*/
public class LangString implements Serializable {
private final String value;
private final String language;
public LangString(String value) {
this.value = Objects.requireNonNull(value);
this.language = null;
}
public LangString(String value, String language) {
this.value = Objects.requireNonNull(value);
this.language = language;
}
/**
* Gets the lexical value of this string.
*
* @return Lexical value
*/
public String getValue() {
return value;
}
/**
* Gets the language tag (if present).
*
* @return Optional language tag value
*/
public Optional<String> getLanguage() {
return Optional.ofNullable(language);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (!(o instanceof LangString)) {
return false;
}
LangString that = (LangString) o;
return value.equals(that.value) && Objects.equals(language, that.language);
}
@Override
public int hashCode() {
return Objects.hash(value, language);
}
@Override
public String toString() {
return language != null ? "\"" + value + "\"@" + language : "\"" + value + '"';
}
}