com.itextpdf.text.WritableDirectElement Maven / Gradle / Ivy
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
* Authors: Bruno Lowagie, Paulo Soares, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Affero General Public License for more details.
* You should have received a copy of the GNU Affero General Public License
* along with this program; if not, see http://www.gnu.org/licenses or write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL:
* http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions
* of this program must display Appropriate Legal Notices, as required under
* Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License,
* a covered work must retain the producer line in every PDF that is created
* or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing
* a commercial license. Buying such a license is mandatory as soon as you
* develop commercial activities involving the iText software without
* disclosing the source code of your own applications.
* These activities include: offering paid services to customers as an ASP,
* serving PDFs on the fly in a web application, shipping iText with a closed
* source product.
*
* For more information, please contact iText Software Corp. at this
* address: [email protected]
*/
package com.itextpdf.text;
import java.util.ArrayList;
import java.util.List;
import com.itextpdf.text.api.WriterOperation;
import com.itextpdf.text.pdf.PdfWriter;
import com.itextpdf.text.pdf.draw.VerticalPositionMark;
/**
* An element that is not an element, it holds {@link Element#WRITABLE_DIRECT}
* as Element type. It implements WriterOperation to do operations on the
* {@link PdfWriter} and the {@link Document} that must be done at the time of
* the writing. Much like a {@link VerticalPositionMark} but little different.
*
* @author itextpdf.com
*
*/
public abstract class WritableDirectElement implements Element, WriterOperation {
public static final int DIRECT_ELEMENT_TYPE_UNKNOWN = 0;
public static final int DIRECT_ELEMENT_TYPE_HEADER = 1;
protected int directElementType = DIRECT_ELEMENT_TYPE_UNKNOWN;
public WritableDirectElement() {
}
public WritableDirectElement(int directElementType) {
this.directElementType = directElementType;
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.text.Element#process(com.itextpdf.text.ElementListener)
*/
public boolean process(final ElementListener listener) {
throw new UnsupportedOperationException();
}
/**
* @return {@link Element#WRITABLE_DIRECT}
*/
public int type() {
return Element.WRITABLE_DIRECT;
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.text.Element#isContent()
*/
public boolean isContent() {
return false;
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.text.Element#isNestable()
*/
public boolean isNestable() {
throw new UnsupportedOperationException();
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.text.Element#getChunks()
*/
public List getChunks() {
return new ArrayList(0);
}
public int getDirectElementType() {
return directElementType;
}
}