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/PropertyInfo.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: PropertyInfo.java 985537 2010-08-14 17:17:00Z jeremias $ */

package org.apache.fop.fo.expr;

import java.util.Stack;

import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.datatypes.Length;
import org.apache.fop.datatypes.PercentBase;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.properties.PropertyMaker;


/**
 * This class holds context information needed during property expression
 * evaluation.
 * It holds the Maker object for the property, the PropertyList being
 * built, and the FObj parent of the FObj for which the property is being set.
 */
public class PropertyInfo {
    private PropertyMaker maker;
    private PropertyList plist;
    private FObj fo;
    private Stack stkFunction;    // Stack of functions being evaluated

    /**
     * Constructor
     * @param maker Property.Maker object
     * @param plist PropertyList object
     */
    public PropertyInfo(PropertyMaker maker, PropertyList plist) {
        this.maker = maker;
        this.plist = plist;
        this.fo = plist.getParentFObj();
    }

    /**
     * Return the PercentBase object used to calculate the absolute value from
     * a percent specification.
     * Propagates to the Maker.
     * @return The PercentBase object or null if percentLengthOK()=false.
     * @throws PropertyException if a property exception occurs
     */
    public PercentBase getPercentBase() throws PropertyException {
        PercentBase pcbase = getFunctionPercentBase();
        return (pcbase != null) ? pcbase : maker.getPercentBase(plist);
    }

    /**
     * @return the current font-size value as base units (milli-points).
     * @throws PropertyException if a property exception occurs
     */
    public Length currentFontSize() throws PropertyException {
        return plist.get(Constants.PR_FONT_SIZE).getLength();
    }

    /**
     * accessor for FObj
     * @return FObj
     */
    public FObj getFO() {
        return fo;
    }

    /**
     * accessor for PropertyList
     * @return PropertyList object
     */
    public PropertyList getPropertyList() {
        return plist;
    }

    /**
     * accessor for PropertyMaker
     * @return PropertyMaker object
     */
    public PropertyMaker getPropertyMaker() {
        return maker;
    }

    /**
     * push a function onto the function stack
     * @param func function to push onto stack
     */
    public void pushFunction(Function func) {
        if (stkFunction == null) {
            stkFunction = new Stack();
        }
        stkFunction.push(func);
    }

    /**
     * pop a function off of the function stack
     */
    public void popFunction() {
        if (stkFunction != null) {
            stkFunction.pop();
        }
    }

    /**
     * Convenience shortcut to get a reference to the FOUserAgent
     *
     * @return  the FOUserAgent
     */
    protected FOUserAgent getUserAgent() {
        return (plist.getFObj() != null)
            ? plist.getFObj().getUserAgent()
                    : null;
    }

    private PercentBase getFunctionPercentBase() {
        if (stkFunction != null) {
            Function f = (Function)stkFunction.peek();
            if (f != null) {
                return f.getPercentBase();
            }
        }
        return null;
    }

}

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