class PdfCollectionField extends PdfDictionary {

    /**
     * A possible type of collection field.
     */
    public static final int TEXT = 0;
    /**
     * A possible type of collection field.
     */
    public static final int DATE = 1;
    /**
     * A possible type of collection field.
     */
    public static final int NUMBER = 2;
    /**
     * A possible type of collection field.
     */
    public static final int FILENAME = 3;
    /**
     * A possible type of collection field.
     */
    public static final int DESC = 4;
    /**
     * A possible type of collection field.
     */
    public static final int MODDATE = 5;
    /**
     * A possible type of collection field.
     */
    public static final int CREATIONDATE = 6;
    /**
     * A possible type of collection field.
     */
    public static final int SIZE = 7;

    /**
     * The type of the PDF collection field.
     *
     * @since 2.1.2 (was called <code>type</code> previously)
     */
    protected int fieldType;

    /**
     * Creates a PdfCollectionField.
     *
     * @param name the field name
     * @param type the field type
     */
    public PdfCollectionField(String name, int type) {
        super(PdfName.COLLECTIONFIELD);
        put(PdfName.N, new PdfString(name, PdfObject.TEXT_UNICODE));
        this.fieldType = type;
        switch (type) {
            default:
                put(PdfName.SUBTYPE, PdfName.S);
                break;
            case DATE:
                put(PdfName.SUBTYPE, PdfName.D);
                break;
            case NUMBER:
                put(PdfName.SUBTYPE, PdfName.N);
                break;
            case FILENAME:
                put(PdfName.SUBTYPE, PdfName.F);
                break;
            case DESC:
                put(PdfName.SUBTYPE, PdfName.DESC);
                break;
            case MODDATE:
                put(PdfName.SUBTYPE, PdfName.MODDATE);
                break;
            case CREATIONDATE:
                put(PdfName.SUBTYPE, PdfName.CREATIONDATE);
                break;
            case SIZE:
                put(PdfName.SUBTYPE, PdfName.SIZE);
                break;
        }
    }

    /**
     * The relative order of the field name. Fields are sorted in ascending order.
     *
     * @param i a number indicating the order of the field
     */
    public void setOrder(int i) {
        put(PdfName.O, new PdfNumber(i));
    }

    /**
     * Sets the initial visibility of the field.
     *
     * @param visible the default is true (visible)
     */
    public void setVisible(boolean visible) {
        put(PdfName.V, new PdfBoolean(visible));
    }

    /**
     * Indication if the field value should be editable in the viewer.
     *
     * @param editable the default is false (not editable)
     */
    public void setEditable(boolean editable) {
        put(PdfName.E, new PdfBoolean(editable));
    }

    /**
     * Checks if the type of the field is suitable for a Collection Item.
     *
     * @return true if it is a Collection item, false otherwise
     */
    public boolean isCollectionItem() {<FILL_FUNCTION_BODY>}

    /**
     * Returns a PdfObject that can be used as the value of a Collection Item.
     *
     * @param v value    the value that has to be changed into a PdfObject (PdfString, PdfDate or PdfNumber)
     * @return a PdfObject that can be used as the value of a Collection Item.
     */
    public PdfObject getValue(String v) {
        switch (fieldType) {
            case TEXT:
                return new PdfString(v, PdfObject.TEXT_UNICODE);
            case DATE:
                return new PdfDate(PdfDate.decode(v));
            case NUMBER:
                return new PdfNumber(v);
        }
        throw new IllegalArgumentException(
                MessageLocalization.getComposedMessage("1.is.not.an.acceptable.value.for.the.field.2", v,
                        get(PdfName.N).toString()));
    }
}

        switch (fieldType) {
            case TEXT:
            case DATE:
            case NUMBER:
                return true;
            default:
                return false;
        }
    
<methods>public void <init>() ,public void <init>(com.lowagie.text.pdf.PdfName) ,public void clear() ,public boolean contains(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfObject get(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfArray getAsArray(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfBoolean getAsBoolean(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfDictionary getAsDict(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfIndirectReference getAsIndirectObject(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfName getAsName(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfNumber getAsNumber(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfStream getAsStream(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfString getAsString(com.lowagie.text.pdf.PdfName) ,public com.lowagie.text.pdf.PdfObject getDirectObject(com.lowagie.text.pdf.PdfName) ,public Set<com.lowagie.text.pdf.PdfName> getKeys() ,public Set<Entry<com.lowagie.text.pdf.PdfName,com.lowagie.text.pdf.PdfObject>> getKeysAndValues() ,public boolean isCatalog() ,public boolean isFont() ,public boolean isOutlineTree() ,public boolean isPage() ,public boolean isPages() ,public void merge(com.lowagie.text.pdf.PdfDictionary) ,public void mergeDifferent(com.lowagie.text.pdf.PdfDictionary) ,public void put(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfObject) ,public void putAll(com.lowagie.text.pdf.PdfDictionary) ,public void putEx(com.lowagie.text.pdf.PdfName, com.lowagie.text.pdf.PdfObject) ,public void remove(com.lowagie.text.pdf.PdfName) ,public int size() ,public void toPdf(com.lowagie.text.pdf.PdfWriter, java.io.OutputStream) throws java.io.IOException,public java.lang.String toString() <variables>public static final com.lowagie.text.pdf.PdfName CATALOG,public static final com.lowagie.text.pdf.PdfName FONT,public static final com.lowagie.text.pdf.PdfName OUTLINES,public static final com.lowagie.text.pdf.PdfName PAGE,public static final com.lowagie.text.pdf.PdfName PAGES,private com.lowagie.text.pdf.PdfName dictionaryType,protected Map<com.lowagie.text.pdf.PdfName,com.lowagie.text.pdf.PdfObject> hashMap