Examples with PT_FreeText org.apache.sis.internal.jaxb.lan.PT_FreeText used on opensource projects

Example 1 with PT_FreeText

use of org.apache.sis.internal.jaxb.lan.PT_FreeText in project sis by apache.

the class CharSequenceAdapter method wrap.

/**
 * Converts a {@linkplain CharSequence character sequence} to the object to be marshalled
 * in a XML file or stream.
 *
 * @param  value  the character representation of the object being marshalled.
 * @return the wrapper for the given character sequence, or {@code null}.
 */
static GO_CharacterString wrap(CharSequence value) {
    if (value instanceof String) {
        // Slightly more efficient variant of this method.
        return wrap(Context.current(), value, (String) value);
    }
    /*
         * <mdb:someElement xsi:type="lan:PT_FreeText_PropertyType">
         *   <gco:CharacterString>...</gco:CharacterString>
         *   <lan:PT_FreeText>
         *     ... see PT_FreeText ...
         *   </lan:PT_FreeText>
         * </mdb:someElement>
         */
    if (value instanceof InternationalString) {
        final PT_FreeText ft = PT_FreeText.create((InternationalString) value);
        if (ft != null) {
            return ft;
        }
    }
    /*
         * Invoking (indirectly) CharSequence.subSequence(…) may change the kind of object.
         * We know that Anchor is safe, and that most InternationalString implementations
         * lost the localized strings. This is why we trim the white spaces only here.
         */
    value = CharSequences.trimWhitespaces(value);
    if (value == null || value.length() == 0) {
        return null;
    }
    /*
         * Substitute <gco:CharacterString> by <gcx:Anchor> if a linkage is found.
         */
    if (!(value instanceof Anchor)) {
        final String key = CharSequences.trimWhitespaces(value.toString());
        if (key != null && !key.isEmpty()) {
            final Context context = Context.current();
            final XLink linkage = Context.resolver(context).anchor(context, value, key);
            if (linkage != null) {
                if (linkage instanceof Anchor) {
                    value = (Anchor) linkage;
                } else {
                    value = new Anchor(linkage, key);
                }
            }
        }
    }
    /*
         * At this stage, the value (typically a String or InternationalString) may
         * have been replaced by an Anchor. The output will be one of the following:
         *
         * ┌──────────────────────────────────────────────────┬────────────────────────────────┐
         * │ <mdb:someElement>                                │ <mdb:someElement>              │
         * │   <gco:CharacterString>...</gco:CharacterString> │   <gcx:Anchor>...</gcx:Anchor> │
         * │ </mdb:someElement>                               │ </mdb:someElement>             │
         * └──────────────────────────────────────────────────┴────────────────────────────────┘
         */
    return new GO_CharacterString(value);
}