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/apps/FormattingResults.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: FormattingResults.java 1610839 2014-07-15 20:25:58Z vhennebert $ */

package org.apache.fop.apps;

import java.util.List;

import org.apache.fop.fo.pagination.AbstractPageSequence;

/**
 * Class for reporting back formatting results to the calling application.
 */
public class FormattingResults {

    private int pageCount;
    private List pageSequences;

    /**
     * Constructor for the FormattingResults object
     */
    public FormattingResults() {
    }

    /**
     * Gets the number of pages rendered
     *
     * @return   The number of pages overall
     */
    public int getPageCount() {
        return this.pageCount;
    }

    /**
     * Gets the results for the individual page-sequences.
     *
     * @return   A List with PageSequenceResults objects
     */
    public List getPageSequences() {
        return this.pageSequences;
    }

    /**
     * Resets this object
     */
    public void reset() {
        this.pageCount = 0;
        if (this.pageSequences != null) {
            this.pageSequences.clear();
        }
    }

    /**
     * Reports the result of one page sequence rendering
     * back into this object.
     *
     * @param pageSequence  the page sequence which just completed rendering
     * @param pageCount     the number of pages rendered for that PageSequence
     */
    public void haveFormattedPageSequence(AbstractPageSequence pageSequence, int pageCount) {
        this.pageCount += pageCount;
        if (this.pageSequences == null) {
            this.pageSequences = new java.util.ArrayList();
        }
        this.pageSequences.add(
                new PageSequenceResults(pageSequence.getId(),
                                        pageCount));
    }
}

⏎ org/apache/fop/apps/FormattingResults.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)