JDK 11 jdk.jartool.jmod is the JMOD file for JDK 11 JAR tool, which can be invoked by the "jar" command.

JDK 11 JAR tool compiled class files are stored in \fyicenter\jdk-11.0.1\jmods\jdk.jartool.jmod.

JDK 11 JAR tool compiled class files are also linked and stored in the \fyicenter\jdk-11.0.1\lib\modules JImage file.

JDK 11 JAR tool source code files are stored in \fyicenter\jdk-11.0.1\lib\src.zip\jdk.jartool.

You can click and view the content of each source code file in the list below.

⏎ com/sun/jarsigner/ContentSignerParameters.java

/*
 * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
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package com.sun.jarsigner;

import java.net.URI;
import java.security.cert.X509Certificate;
import java.util.zip.ZipFile;

/**
 * This interface encapsulates the parameters for a ContentSigner object.
 *
 * @since 1.5
 * @author Vincent Ryan
 * @deprecated This class has been deprecated.
 */
@Deprecated(since="9")
public interface ContentSignerParameters {

    /**
     * Retrieves the command-line arguments passed to the jarsigner tool.
     *
     * @return The command-line arguments. May be null.
     */
    public String[] getCommandLine();

    /**
     * Retrieves the identifier for a Timestamping Authority (TSA).
     *
     * @return The TSA identifier. May be null.
     */
    public URI getTimestampingAuthority();

    /**
     * Retrieves the certificate for a Timestamping Authority (TSA).
     *
     * @return The TSA certificate. May be null.
     */
    public X509Certificate getTimestampingAuthorityCertificate();

    /**
     * Retrieves the TSAPolicyID for a Timestamping Authority (TSA).
     *
     * @return The TSAPolicyID. May be null.
     */
    public default String getTSAPolicyID() {
        return null;
    }

    /**
     * Retreives the message digest algorithm that is used to generate
     * the message imprint to be sent to the TSA server.
     *
     * @since 9
     * @return The non-null string of the message digest algorithm name.
     */
    public default String getTSADigestAlg() {
        return "SHA-256";
    }

    /**
     * Retrieves the JAR file's signature.
     *
     * @return The non-null array of signature bytes.
     */
    public byte[] getSignature();

    /**
     * Retrieves the name of the signature algorithm.
     *
     * @return The non-null string name of the signature algorithm.
     */
    public String getSignatureAlgorithm();

    /**
     * Retrieves the signer's X.509 certificate chain.
     *
     * @return The non-null array of X.509 public-key certificates.
     */
    public X509Certificate[] getSignerCertificateChain();

    /**
     * Retrieves the content that was signed.
     * The content is the JAR file's signature file.
     *
     * @return The content bytes. May be null.
     */
    public byte[] getContent();

    /**
     * Retrieves the original source ZIP file before it was signed.
     *
     * @return The original ZIP file. May be null.
     */
    public ZipFile getSource();
}

⏎ com/sun/jarsigner/ContentSignerParameters.java

Or download all of them as a single archive file:

File name: jdk.jartool-11.0.1-src.zip
File size: 101994 bytes
Release date: 2018-11-04
Download 

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