JAF 1.2.0 Java Source Code Files are important if you want to compile them with different JDK releases.

You can get JAF 1.2.0 Java Source Code Files from JAF GitHub Website in the "activation/src/main/java/" folder.

You can also browse JAF 1.2.0 Client Source Code files below:

⏎ javax/activation/MimeType.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://oss.oracle.com/licenses/CDDL+GPL-1.1
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
 * "Portions Copyright [year] [name of copyright owner]"
 *
 * Contributor(s):
 * If you wish your version of this file to be governed by only the CDDL or
 * only the GPL Version 2, indicate your decision by adding "[Contributor]
 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
 * only if the new code is made subject to such option by the copyright
 * holder.
 */

package javax.activation;

import java.io.*;
import java.util.Locale;

/**
 * A Multipurpose Internet Mail Extension (MIME) type, as defined
 * in RFC 2045 and 2046.
 */
public class MimeType implements Externalizable {

    private String    primaryType;
    private String    subType;
    private MimeTypeParameterList parameters;

    /**
     * A string that holds all the special chars.
     */
    private static final String TSPECIALS = "()<>@,;:/[]?=\\\"";

    /**
     * Default constructor.
     */
    public MimeType() {
        primaryType = "application";
        subType = "*";
        parameters = new MimeTypeParameterList();
    }

    /**
     * Constructor that builds a MimeType from a String.
     *
     * @param rawdata	the MIME type string
     * @exception	MimeTypeParseException	if the MIME type can't be parsed
     */
    public MimeType(String rawdata) throws MimeTypeParseException {
        parse(rawdata);
    }

    /**
     * Constructor that builds a MimeType with the given primary and sub type
     * but has an empty parameter list.
     *
     * @param primary	the primary MIME type
     * @param sub	the MIME sub-type
     * @exception	MimeTypeParseException	if the primary type or subtype
     *						is not a valid token
     */
    public MimeType(String primary, String sub) throws MimeTypeParseException {
        //    check to see if primary is valid
        if (isValidToken(primary)) {
            primaryType = primary.toLowerCase(Locale.ENGLISH);
        } else {
            throw new MimeTypeParseException("Primary type is invalid.");
        }

        //    check to see if sub is valid
        if (isValidToken(sub)) {
            subType = sub.toLowerCase(Locale.ENGLISH);
        } else {
            throw new MimeTypeParseException("Sub type is invalid.");
        }

        parameters = new MimeTypeParameterList();
    }

    /**
     * A routine for parsing the MIME type out of a String.
     */
    private void parse(String rawdata) throws MimeTypeParseException {
        int slashIndex = rawdata.indexOf('/');
        int semIndex = rawdata.indexOf(';');
        if ((slashIndex < 0) && (semIndex < 0)) {
            //    neither character is present, so treat it
            //    as an error
            throw new MimeTypeParseException("Unable to find a sub type.");
        } else if ((slashIndex < 0) && (semIndex >= 0)) {
            //    we have a ';' (and therefore a parameter list),
            //    but no '/' indicating a sub type is present
            throw new MimeTypeParseException("Unable to find a sub type.");
        } else if ((slashIndex >= 0) && (semIndex < 0)) {
            //    we have a primary and sub type but no parameter list
            primaryType = rawdata.substring(0, slashIndex).trim().
						toLowerCase(Locale.ENGLISH);
            subType = rawdata.substring(slashIndex + 1).trim().
						toLowerCase(Locale.ENGLISH);
            parameters = new MimeTypeParameterList();
        } else if (slashIndex < semIndex) {
            //    we have all three items in the proper sequence
            primaryType = rawdata.substring(0, slashIndex).trim().
						toLowerCase(Locale.ENGLISH);
            subType = rawdata.substring(slashIndex + 1, semIndex).trim().
						toLowerCase(Locale.ENGLISH);
            parameters = new MimeTypeParameterList(rawdata.substring(semIndex));
        } else {
            // we have a ';' lexically before a '/' which means we
	    // have a primary type and a parameter list but no sub type
            throw new MimeTypeParseException("Unable to find a sub type.");
        }

        //    now validate the primary and sub types

        //    check to see if primary is valid
        if (!isValidToken(primaryType))
            throw new MimeTypeParseException("Primary type is invalid.");

        //    check to see if sub is valid
        if (!isValidToken(subType))
            throw new MimeTypeParseException("Sub type is invalid.");
    }

    /**
     * Retrieve the primary type of this object.
     *
     * @return	the primary MIME type
     */
    public String getPrimaryType() {
        return primaryType;
    }

    /**
     * Set the primary type for this object to the given String.
     *
     * @param primary	the primary MIME type
     * @exception	MimeTypeParseException	if the primary type
     *						is not a valid token
     */
    public void setPrimaryType(String primary) throws MimeTypeParseException {
        //    check to see if primary is valid
        if (!isValidToken(primaryType))
            throw new MimeTypeParseException("Primary type is invalid.");
        primaryType = primary.toLowerCase(Locale.ENGLISH);
    }

    /**
     * Retrieve the subtype of this object.
     *
     * @return	the MIME subtype
     */
    public String getSubType() {
        return subType;
    }

    /**
     * Set the subtype for this object to the given String.
     *
     * @param sub	the MIME subtype
     * @exception	MimeTypeParseException	if the subtype
     *						is not a valid token
     */
    public void setSubType(String sub) throws MimeTypeParseException {
        //    check to see if sub is valid
        if (!isValidToken(subType))
            throw new MimeTypeParseException("Sub type is invalid.");
        subType = sub.toLowerCase(Locale.ENGLISH);
    }

    /**
     * Retrieve this object's parameter list.
     *
     * @return	a MimeTypeParameterList object representing the parameters
     */
    public MimeTypeParameterList getParameters() {
        return parameters;
    }

    /**
     * Retrieve the value associated with the given name, or null if there
     * is no current association.
     *
     * @param name	the parameter name
     * @return		the paramter's value
     */
    public String getParameter(String name) {
        return parameters.get(name);
    }

    /**
     * Set the value to be associated with the given name, replacing
     * any previous association.
     *
     * @param name	the parameter name
     * @param value	the paramter's value
     */
    public void setParameter(String name, String value) {
        parameters.set(name, value);
    }

    /**
     * Remove any value associated with the given name.
     *
     * @param name	the parameter name
     */
    public void removeParameter(String name) {
        parameters.remove(name);
    }

    /**
     * Return the String representation of this object.
     */
    public String toString() {
        return getBaseType() + parameters.toString();
    }

    /**
     * Return a String representation of this object
     * without the parameter list.
     *
     * @return	the MIME type and sub-type
     */
    public String getBaseType() {
        return primaryType + "/" + subType;
    }

    /**
     * Determine if the primary and sub type of this object is
     * the same as what is in the given type.
     *
     * @param type	the MimeType object to compare with
     * @return		true if they match
     */
    public boolean match(MimeType type) {
        return primaryType.equals(type.getPrimaryType())
                    && (subType.equals("*")
                            || type.getSubType().equals("*")
                            || (subType.equals(type.getSubType())));
    }

    /**
     * Determine if the primary and sub type of this object is
     * the same as the content type described in rawdata.
     *
     * @param rawdata	the MIME type string to compare with
     * @return		true if they match
     * @exception	MimeTypeParseException	if the MIME type can't be parsed
     */
    public boolean match(String rawdata) throws MimeTypeParseException {
        return match(new MimeType(rawdata));
    }

    /**
     * The object implements the writeExternal method to save its contents
     * by calling the methods of DataOutput for its primitive values or
     * calling the writeObject method of ObjectOutput for objects, strings
     * and arrays.
     *
     * @param out	the ObjectOutput object to write to
     * @exception IOException Includes any I/O exceptions that may occur
     */
    public void writeExternal(ObjectOutput out) throws IOException {
        out.writeUTF(toString());
	out.flush();
    }

    /**
     * The object implements the readExternal method to restore its
     * contents by calling the methods of DataInput for primitive
     * types and readObject for objects, strings and arrays.  The
     * readExternal method must read the values in the same sequence
     * and with the same types as were written by writeExternal.
     *
     * @param in	the ObjectInput object to read from
     * @exception ClassNotFoundException If the class for an object being
     *              restored cannot be found.
     */
    public void readExternal(ObjectInput in)
				throws IOException, ClassNotFoundException {
        try {
            parse(in.readUTF());
        } catch (MimeTypeParseException e) {
            throw new IOException(e.toString());
        }
    }

    //    below here be scary parsing related things

    /**
     * Determine whether or not a given character belongs to a legal token.
     */
    private static boolean isTokenChar(char c) {
        return ((c > 040) && (c < 0177)) && (TSPECIALS.indexOf(c) < 0);
    }

    /**
     * Determine whether or not a given string is a legal token.
     */
    private boolean isValidToken(String s) {
        int len = s.length();
        if (len > 0) {
            for (int i = 0; i < len; ++i) {
                char c = s.charAt(i);
                if (!isTokenChar(c)) {
                    return false;
                }
            }
            return true;
        } else {
            return false;
        }
    }

    /**
     * A simple parser test,
     * for debugging...
     *
    public static void main(String[] args)
				throws MimeTypeParseException, IOException {
        for (int i = 0; i < args.length; ++i) {
            System.out.println("Original: " + args[i]);

            MimeType type = new MimeType(args[i]);

            System.out.println("Short:    " + type.getBaseType());
            System.out.println("Parsed:   " + type.toString());
            System.out.println();
        }
    }
    */
}

⏎ javax/activation/MimeType.java

Or download all of them as a single archive file:

File name: javax.activation-1.2.0-fyi.zip
File size: 78269 bytes
Release date: 2018-09-07
Download 

⇒ Older Releases of JAF (JavaBeans Activation Framework)

⇐ JAF 1.2.0 JAR File - javax.activation-1.2.0.jar

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⇑⇑ activation.jar - JAF (JavaBeans Activation Framework)