layout.jar is a component in iText Java library to provide layout functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided together with the JAR file in the binary packge like iText7-Core-7.1.4.zip. You can download it at iText 7 Core Download site.

You can compile it to generate your JAR file, using layout.pom as the build configuration file.

The source code of layout-7.1.4.jar is provided below:

⏎ com/itextpdf/layout/renderer/AreaBreakRenderer.java

/*

    This file is part of the iText (R) project.
    Copyright (c) 1998-2018 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: sales@itextpdf.com
 */
package com.itextpdf.layout.renderer;

import com.itextpdf.layout.IPropertyContainer;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.layout.LayoutArea;
import com.itextpdf.layout.layout.LayoutContext;
import com.itextpdf.layout.layout.LayoutResult;

import java.util.List;

/**
 * Renderer object for the {@link AreaBreak} layout element. Will terminate the
 * current content area and initialize a new one.
 */
public class AreaBreakRenderer implements IRenderer {

    protected AreaBreak areaBreak;

    /**
     * Creates an AreaBreakRenderer.
     *
     * @param areaBreak the {@link AreaBreak} that will be rendered by this object
     */
    public AreaBreakRenderer(AreaBreak areaBreak) {
        this.areaBreak = areaBreak;
    }

    @Override
    public void addChild(IRenderer renderer) {
        throw new RuntimeException();
    }

    @Override
    public LayoutResult layout(LayoutContext layoutContext) {
        return new LayoutResult(LayoutResult.NOTHING, null, null, null, this).setAreaBreak(areaBreak);
    }

    @Override
    public void draw(DrawContext drawContext) {
        throw new UnsupportedOperationException();
    }

    @Override
    public LayoutArea getOccupiedArea() {
        throw new UnsupportedOperationException();
    }

    @Override
    public boolean hasProperty(int property) {
        return false;
    }

    @Override
    public boolean hasOwnProperty(int property) {
        return false;
    }

    @Override
    public <T1> T1 getProperty(int key) {
        return (T1) (Object) null;
    }

    @Override
    public <T1> T1 getOwnProperty(int property) {
        return (T1) (Object) null;
    }

    @Override
    public <T1> T1 getDefaultProperty(int property) {
        return (T1) (Object) null;
    }

    @Override
    public <T1> T1 getProperty(int property, T1 defaultValue) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void setProperty(int property, Object value) {
        throw new UnsupportedOperationException();
    }

    @Override
    public void deleteOwnProperty(int property) {
    }

    @Override
    public IRenderer setParent(IRenderer parent) {
        return this;
    }

    @Override
    public IPropertyContainer getModelElement() {
        return null;
    }

    @Override
    public IRenderer getParent() { return null; }

    @Override
    public List<IRenderer> getChildRenderers() {
        return null;
    }

    @Override
    public boolean isFlushed() {
        return false;
    }

    @Override
    public void move(float dx, float dy) {
        throw new UnsupportedOperationException();
    }

    @Override
    public IRenderer getNextRenderer() {
        return null;
    }
}

⏎ com/itextpdf/layout/renderer/AreaBreakRenderer.java

Or download all of them as a single archive file:

File name: layout-7.1.4-sources.jar
File size: 446816 bytes
Release date: 2018-10-09
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