What Is fop.jar? I got it from the fop-2.7-bin.zip.

fop.jar in fop-2.7-bin.zip is the JAR file for FOP 2.7, which is a print formatter driven by XSL formatting objects (XSL-FO). You can obtain fop.jar from the build folder of the fop-2.7-bin.zip file.

Below is the information about the fop.jar (2.2) file:

JAR File Size and Download Location:

JAR name: fop.jar, fop-2.7.jar
Target JDK version: 1.7
File name: fop.jar
File size: 4442817 bytes
Release date: 20-Jan-2022
Download: Apache FOP Website

Java source code files for fop.jar:

⏎ org/apache/fop/area/inline/ForeignObject.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* $Id: ForeignObject.java 1296526 2012-03-03 00:18:45Z gadams $ */

package org.apache.fop.area.inline;

import org.w3c.dom.Document;

import org.apache.fop.area.Area;

// cacheable object
/**
 * Foreign object inline area.
 * This inline area represents an instream-foreign object.
 * This holds an xml document and the associated namespace.
 */
public class ForeignObject extends Area {

    private static final long serialVersionUID = -214947698798577885L;

    private Document doc;
    private String namespace;

    /**
     * Create a new foreign object with the given dom and namespace.
     *
     * @param d the xml document
     * @param ns the namespace of the document
     */
    public ForeignObject(Document d, String ns) {
        doc = d;
        namespace = ns;
    }

    /**
     * Create a new empty foreign object for which the DOM Document will be set later.
     *
     * @param ns the namespace of the document
     */
    public ForeignObject(String ns) {
        namespace = ns;
    }

    /**
     * Sets the DOM document for this foreign object.
     * @param document the DOM document
     */
    public void setDocument(Document document) {
        this.doc = document;
    }

    /**
     * Get the document for this foreign object.
     *
     * @return the xml document
     */
    public Document getDocument() {
        return doc;
    }

    /**
     * Get the namespace of this foreign object.
     *
     * @return the namespace of this document
     */
    public String getNameSpace() {
        return namespace;
    }
}

⏎ org/apache/fop/area/inline/ForeignObject.java

Or download all of them as a single archive file:

File name: fop-2.7-src.zip
File size: 3401312 bytes
Release date: 2022-01-20
Download 

⇒ "fop" Command in fop-2.7-bin.zip

⇐ What Is fop-2.7-bin.zip

⇑ Download and Installing of FOP 2.x

⇑⇑ FAQ for FOP (Formatting Object Processor)