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/fo/expr/PropertyException.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: PropertyException.java 1733788 2016-03-06 06:14:41Z gadams $ */

package org.apache.fop.fo.expr;

import org.apache.fop.apps.FOPException;

/**
 * Class for managing exceptions that are raised in Property processing.
 */
public class PropertyException extends FOPException {
    private String propertyName;

    /**
     * Constructor
     * @param detail string containing the detail message
     */
    public PropertyException(String detail) {
        super(detail);
    }

    /**
     * Constructor
     * @param cause the Exception causing this PropertyException
     */
    public PropertyException(Exception cause) {
        super(cause);
        if (cause instanceof PropertyException) {
            this.propertyName = ((PropertyException)cause).propertyName;
        }
    }

    /**
     * Sets the property context information.
     * @param propInfo the property info instance
     */
    public void setPropertyInfo(PropertyInfo propInfo) {
        setLocator(propInfo.getPropertyList().getFObj().getLocator());
        propertyName = propInfo.getPropertyMaker().getName();
    }

    /**
     * Sets the name of the property.
     * @param propertyName the property name
     */
    public void setPropertyName(String propertyName) {
        this.propertyName = propertyName;
    }

    /** {@inheritDoc} */
    public String getMessage() {
        if (propertyName != null) {
            return super.getMessage() + "; property:'" + propertyName + "'";
        } else {
            return super.getMessage();
        }
    }
}

⏎ org/apache/fop/fo/expr/PropertyException.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)