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Zanata API definitions

There is a newer version: 4.6.2

package org.zanata.common;

import java.io.Serializable;

import javax.annotation.Nonnull;
import javax.validation.constraints.Size;

import org.codehaus.jackson.annotate.JsonCreator;
import org.codehaus.jackson.annotate.JsonValue;

public class LocaleId implements Serializable {

    private static final long serialVersionUID = 1L;

    @Size(max = 255)
    private @Nonnull
    String id;
    // TODO split up to language code, country code, qualifier etc..

    public static final LocaleId EN = new LocaleId("en");
    public static final LocaleId EN_US = new LocaleId("en-US");
    public static final LocaleId DE = new LocaleId("de");
    public static final LocaleId FR = new LocaleId("fr");
    public static final LocaleId ES = new LocaleId("es");

    // JaxB needs a no-arg constructor :(
    // TODO can we make this private?
    public LocaleId() {
        id = "";
    }

    @JsonCreator
    public LocaleId(@Nonnull String localeId) {
        if (localeId.indexOf('_') != -1)
            throw new IllegalArgumentException(
                    "expected lang[-country[-modifier]], got " + localeId);
        this.id = localeId.intern();
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == this)
            return true;
        if (!(obj instanceof LocaleId))
            return false;
        return this.id.equals(((LocaleId) obj).id);
    }

    @Override
    public int hashCode() {
        return id.hashCode();
    }

    @Override
    @JsonValue
    public @Nonnull
    String toString() {
        return id;
    }

    public static LocaleId fromJavaName(String localeName) {
        return new LocaleId(localeName.replace('_', '-'));
    }

    public @Nonnull
    String toJavaName() {
        return id.replace('-', '_');
    }

    /**
     * BCP-47 language tag
     *
     * @return
     */
    public @Nonnull
    String getId() {
        return id;
    }

}