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/**
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*
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*/
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package eu.etaxonomy.cdm.model.description;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import javax.persistence.Entity;
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import javax.persistence.FetchType;
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import javax.persistence.MapKeyJoinColumn;
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import javax.persistence.OneToMany;
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import javax.xml.bind.annotation.XmlAccessType;
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import javax.xml.bind.annotation.XmlAccessorType;
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import javax.xml.bind.annotation.XmlElement;
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import javax.xml.bind.annotation.XmlRootElement;
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import javax.xml.bind.annotation.XmlType;
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import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
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import org.apache.log4j.Logger;
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import org.hibernate.annotations.Cascade;
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import org.hibernate.annotations.CascadeType;
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import org.hibernate.envers.Audited;
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import eu.etaxonomy.cdm.jaxb.MultilanguageTextAdapter;
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import eu.etaxonomy.cdm.model.common.IMultiLanguageTextHolder;
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import eu.etaxonomy.cdm.model.common.Language;
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import eu.etaxonomy.cdm.model.common.LanguageString;
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import eu.etaxonomy.cdm.model.common.MultilanguageTextHelper;
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import eu.etaxonomy.cdm.model.common.TermBase;
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import eu.etaxonomy.cdm.model.common.VersionableEntity;
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/**
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* This class represents a statement or a question within a (polytomous) key.
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* Compare with SDD SimpleRepresentation.
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*
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* @author a.mueller
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*
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*/
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@XmlAccessorType(XmlAccessType.FIELD)
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@XmlType(name = "KeyStatement", propOrder = {
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"label"
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// ,"mediaObject"
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})
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@XmlRootElement(name = "KeyStatement")
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@Entity
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@Audited
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public class KeyStatement extends VersionableEntity implements IMultiLanguageTextHolder{
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private static final long serialVersionUID = 3771323100914695139L;
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private static final Logger logger = Logger.getLogger(KeyStatement.class);
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@XmlElement(name = "MultiLanguageText")
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@XmlJavaTypeAdapter(MultilanguageTextAdapter.class)
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@OneToMany (fetch= FetchType.LAZY, orphanRemoval=true)
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@MapKeyJoinColumn(name="label_mapkey_id")
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@Cascade({CascadeType.SAVE_UPDATE,CascadeType.MERGE, CascadeType.DELETE })
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// @IndexedEmbedded
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private Map<Language, LanguageString> label = new HashMap<Language, LanguageString>();
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//private mediaObjects needs to be discussed (how to implement the role of the media)
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public static KeyStatement NewInstance(){
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KeyStatement result = new KeyStatement();
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return result;
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}
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public static KeyStatement NewInstance(String defaultLanguageLabel){
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KeyStatement result = new KeyStatement();
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result.putLabel(Language.DEFAULT(), defaultLanguageLabel);
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return result;
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}
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/**
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* Factory method for a key statement.
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* @param language the language of the first representation of the statement. Must not be <code>null</code>.
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* @param label the text of statement in the given language.
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* @return
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*/
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public static KeyStatement NewInstance(Language language, String label){
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assert language != null : "Language for KeyStatement must not be null";
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KeyStatement result = new KeyStatement();
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result.putLabel(language, label);
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return result;
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}
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/**
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*
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*/
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public KeyStatement() {
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}
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// ********************************* METHODS ***************************/
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/**
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* Returns the label with the content of <i>this</i> key statement.
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* The different {@link LanguageString language strings} (texts) contained in the
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* label should all have the same meaning.
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*
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* @see #getText(Language)
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*/
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public Map<Language, LanguageString> getLabel() {
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return label;
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}
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/**
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* Returns the label with the content of <i>this</i> key statement for
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* a specific language.
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*
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* @param language the language in which the label is formulated
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* @return
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*/
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public LanguageString getLabel(Language language){
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return label.get(language);
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}
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public void setLabel(Map<Language,LanguageString> label) {
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this.label = label;
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}
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/**
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* Returns the text string in the given {@link Language language} with the content
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* of <i>this</i> key statement.
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*
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* @param language the language in which the label is formulated
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* @see #getLabel(Language)
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*/
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public String getLabelText(Language language) {
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LanguageString languageString = label.get(language);
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if (languageString == null){
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return null;
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}else{
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return languageString.getText();
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}
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}
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/**
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* Returns the LanguageString in the preferred language. Preferred languages
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* are specified by the parameter languages, which receives a list of
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* Language instances in the order of preference. If no representation in
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* any preferred languages is found the method falls back to return the
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* Representation in Language.DEFAULT() and if necessary further falls back
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* to return the first element found if any.
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*
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* TODO think about this fall-back strategy &
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* see also {@link TermBase#getPreferredRepresentation(List)}
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*
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* @param languages
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* @return
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*/
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public LanguageString getPreferredLanguageString(List<Language> languages) {
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return MultilanguageTextHelper.getPreferredLanguageString(label, languages);
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}
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/**
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* Creates a {@link LanguageString language string} based on the given text string
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* and the given {@link Language language}, returns it and adds it to the multilanguage
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* text representing the content of <i>this</i> text data.
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*
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* @param text the string representing the content of the text data
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* in a particular language
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* @param language the language in which the text string is formulated
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* @return the language string
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* @see #getMultilanguageText()
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* @see #putText(LanguageString)
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* @deprecated should follow the put semantic of maps, this method will be removed in v4.0
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* Use the {@link #putLabel(Language, String) putLabel} method
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*/
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@Deprecated
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public LanguageString putLabel(String label, Language language) {
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return putLabel(language, label);
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}
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/**
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* Creates a {@link LanguageString language string} based on the given text string
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* and the given {@link Language language}, returns it and adds it to the multilanguage
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* text representing the content of <i>this</i> text data.
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*
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* @param language the language in which the text string is formulated
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* @param text the string representing the content of the text data
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* in a particular language
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*
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* @return the language string
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* @see #getLabel()
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* @see #putLabel(LanguageString)
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*
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*/
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public LanguageString putLabel(Language language, String label) {
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LanguageString result = this.label.put(language , LanguageString.NewInstance(label, language));
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return (result == null ? null : result);
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}
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/**
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* Adds a translated {@link LanguageString text in a particular language}
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* to the label.
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* The given language string will be returned.
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*
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* @param languageString the language string representing the content of
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* the text data in a particular language
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* @return the language string
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* @see #getLabel()
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* @see #putLabel(String, Language)
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*/
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public LanguageString putLabel(LanguageString languageString) {
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if (languageString == null){
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return null;
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}else{
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Language language = languageString.getLanguage();
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return this.label.put(language, languageString);
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}
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}
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/**
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* Adds a translated {@link LanguageString text in a particular language}
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* to the label.
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* The given language string will be returned.
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*
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* @param languageString the language string representing the content of
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* the text data in a particular language
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* @return the language string
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* @see #getLabel()
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* @see #putLabel(String, Language)
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* @deprecated This method will be removed in v4.0
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* Use the {@link #putLabel(LanguageString) putLabel} method instead
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*/
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@Deprecated
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public LanguageString putText(LanguageString languageString) {
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return putLabel(languageString);
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}
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/**
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* Removes from label the one {@link LanguageString language string}
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* with the given {@link Language language}. Returns the removed
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* language string.
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*
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* @param language the language in which the language string to be removed
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* has been formulated
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* @return the language string associated with the given language
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* @see #getLabelText()
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* @deprecated This method will be removed in v4.0
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* Use the {@link #removeLabel(Language)} method instead
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*/
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@Deprecated
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public LanguageString removeText(Language language) {
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return removeLabel(language);
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}
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/**
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* Removes from label the one {@link LanguageString language string}
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* with the given {@link Language language}. Returns the removed
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* language string.
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*
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* @param language the language in which the language string to be removed
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* has been formulated
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* @return the language string associated with the given language
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* @see #getLabelText()
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*/
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public LanguageString removeLabel(Language language) {
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return this.label.remove(language);
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}
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/**
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* Returns the number of {@link Language languages} in which the label
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* of <i>this</i> key statement has been formulated.
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*
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* @see #getMultilanguageText()
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*/
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public int countLanguages(){
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return label.size();
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}
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//*********************** CLONE ********************************************************/
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/**
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* Clones <i>this</i> KeyStatement. This is a shortcut that enables to create
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* a new instance that differs only slightly from <i>this</i> KeyStatement by
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* modifying only some of the attributes.
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*
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* @see eu.etaxonomy.cdm.model.common.VersionableEntitity#clone()
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* @see java.lang.Object#clone()
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*/
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@Override
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public Object clone() {
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KeyStatement result;
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try {
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result = (KeyStatement) super.clone();
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result.label = cloneLanguageString(this.label);
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return result;
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}catch (CloneNotSupportedException e) {
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logger.warn("Object does not implement cloneable");
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e.printStackTrace();
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return null;
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}
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}
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//********************* toString() *************************************/
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@Override
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public String toString(){
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if (label != null && ! label.isEmpty()){
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String result = label.values().iterator().next().getText();
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return result;
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}else{
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return super.toString();
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}
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}
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}
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