com.sun.xml.messaging.saaj.packaging.mime.internet.MimePullMultipart Maven / Gradle / Ivy

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/*
 * Copyright (c) 1997, 2021 Oracle and/or its affiliates. All rights reserved.
 *
 * This program and the accompanying materials are made available under the
 * terms of the Eclipse Distribution License v. 1.0, which is available at
 * http://www.eclipse.org/org/documents/edl-v10.php.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

package com.sun.xml.messaging.saaj.packaging.mime.internet;

import com.sun.xml.messaging.saaj.packaging.mime.MessagingException;
import com.sun.xml.messaging.saaj.soap.AttachmentPartImpl;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
import jakarta.activation.DataSource;
import org.jvnet.mimepull.MIMEConfig;
import org.jvnet.mimepull.MIMEMessage;
import org.jvnet.mimepull.MIMEPart;

/**
 *
 * @author Kumar
 */
public class MimePullMultipart  extends MimeMultipart {

    private InputStream in = null;
    private String boundary = null;
    private MIMEMessage mm = null;
    private DataSource dataSource = null;
    private ContentType contType = null;
    private String startParam = null;
    private MIMEPart soapPart = null;

    public MimePullMultipart(DataSource ds, ContentType ct)
        throws MessagingException {
        parsed = false;
        if (ct==null)
            contType = new ContentType(ds.getContentType());
        else
            contType = ct;

        dataSource = ds;
        boundary = contType.getParameter("boundary");
    }

    public  MIMEPart readAndReturnSOAPPart() throws  MessagingException {
         if (soapPart != null) {
            throw new MessagingException("Inputstream from datasource was already consumed");
         }
         readSOAPPart();
         return soapPart;
         
    }

    protected  void readSOAPPart() throws  MessagingException {
        try {
            if (soapPart != null) {
                return;
            }
            in = dataSource.getInputStream();
            MIMEConfig config = new MIMEConfig(); //use defaults
            mm = new MIMEMessage(in, boundary, config);
            String st = contType.getParameter("start");
            if(startParam == null) {
                soapPart = mm.getPart(0);
            } else {
                  // Strip <...> from root part's Content-I
 	        if (st != null && st.length() > 2 && st.charAt(0) == '<' && st.charAt(st.length()-1) == '>') {
 	            st = st.substring(1, st.length()-1);
 	        }
                startParam = st;
                soapPart = mm.getPart(startParam);

            }
        } catch (IOException ex) {
            throw new MessagingException("No inputstream from datasource", ex);
        }
    }

    public void parseAll() throws MessagingException {
        if (parsed) {
            return;
        }
        if (soapPart == null) {
            readSOAPPart();
        }

        List prts = mm.getAttachments();
        for(MIMEPart part : prts) {
            if (part != soapPart) {
                new AttachmentPartImpl(part);
                this.addBodyPart(new MimeBodyPart(part));
            }
       }
       parsed = true;
    }

    @Override
    protected  void parse() throws MessagingException {
        parseAll();
    }

}