Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.  Oracle designates this

  * particular file as subject to the "Classpath" exception as provided

  * by Oracle in the LICENSE file that accompanied this code.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 package com.sun.xml.internal.org.jvnet.mimepull;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.UnsupportedEncodingException;

 import java.net.URLDecoder;

 import java.nio.ByteBuffer;

 import java.util.*;

 import java.util.logging.Level;

 import java.util.logging.Logger;

 /**

  * Represents MIME message. MIME message parsing is done lazily using a

  * pull parser.

  *

  * @author Jitendra Kotamraju

  */

 public class MIMEMessage {

     private static final Logger LOGGER = Logger.getLogger(MIMEMessage.class.getName());

     MIMEConfig config;

     private final InputStream in;

     private final List<MIMEPart> partsList;

     private final Map<String, MIMEPart> partsMap;

     private final Iterator<MIMEEvent> it;

     private boolean parsed;     // true when entire message is parsed

     private MIMEPart currentPart;

     private int currentIndex;

     /**

      * @see MIMEMessage(InputStream, String, MIMEConfig)

      */

     public MIMEMessage(InputStream in, String boundary) {

         this(in, boundary, new MIMEConfig());

     }

     /**

      * Creates a MIME message from the content's stream. The content stream

      * is closed when EOF is reached.

      *

      * @param in MIME message stream

      * @param boundary the separator for parts(pass it without --)

      * @param config various configuration parameters

      */

     public MIMEMessage(InputStream in, String boundary, MIMEConfig config) {

         this.in = in;

         this.config = config;

         MIMEParser parser = new MIMEParser(in, boundary, config);

         it = parser.iterator();

         partsList = new ArrayList<MIMEPart>();

         partsMap = new HashMap<String, MIMEPart>();

         if (config.isParseEagerly()) {

             parseAll();

         }

     }

     /**

      * Gets all the attachments by parsing the entire MIME message. Avoid

      * this if possible since it is an expensive operation.

      *

      * @return list of attachments.

      */

     public List<MIMEPart> getAttachments() {

         if (!parsed) {

             parseAll();

         }

         return partsList;

     }

     /**

      * Creates nth attachment lazily. It doesn't validate

      * if the message has so many attachments. To

      * do the validation, the message needs to be parsed.

      * The parsing of the message is done lazily and is done

      * while reading the bytes of the part.

      *

      * @param index sequential order of the part. starts with zero.

      * @return attachemnt part

      */

     public MIMEPart getPart(int index) {

         LOGGER.log(Level.FINE, "index={0}", index);

         MIMEPart part = (index < partsList.size()) ? partsList.get(index) : null;

         if (parsed && part == null) {

             throw new MIMEParsingException("There is no "+index+" attachment part ");

         }

         if (part == null) {

             // Parsing will done lazily and will be driven by reading the part

             part = new MIMEPart(this);

             partsList.add(index, part);

         }

         LOGGER.log(Level.FINE, "Got attachment at index={0} attachment={1}", new Object[]{index, part});

         return part;

     }

     /**

      * Creates a lazy attachment for a given Content-ID. It doesn't validate

      * if the message contains an attachment with the given Content-ID. To

      * do the validation, the message needs to be parsed. The parsing of the

      * message is done lazily and is done while reading the bytes of the part.

      *

      * @param contentId Content-ID of the part, expects Content-ID without <, >

      * @return attachemnt part

      */

     public MIMEPart getPart(String contentId) {

         LOGGER.log(Level.FINE, "Content-ID={0}", contentId);

         MIMEPart part = getDecodedCidPart(contentId);

         if (parsed && part == null) {

             throw new MIMEParsingException("There is no attachment part with Content-ID = "+contentId);

         }

         if (part == null) {

             // Parsing is done lazily and is driven by reading the part

             part = new MIMEPart(this, contentId);

             partsMap.put(contentId, part);

         }

         LOGGER.log(Level.FINE, "Got attachment for Content-ID={0} attachment={1}", new Object[]{contentId, part});

         return part;

     }

     // this is required for Indigo interop, it writes content-id without escaping

     private MIMEPart getDecodedCidPart(String cid) {

         MIMEPart part = partsMap.get(cid);

         if (part == null) {

             if (cid.indexOf('%') != -1) {

                 try {

                     String tempCid = URLDecoder.decode(cid, "utf-8");

                     part = partsMap.get(tempCid);

                 } catch(UnsupportedEncodingException ue) {

                     // Ignore it

                 }

             }

         }

         return part;

     }

     /**

      * Parses the whole MIME message eagerly

      */

     public final void parseAll() {

         while(makeProgress()) {

             // Nothing to do

         }

     }

     /**

      * Parses the MIME message in a pull fashion.

      *

      * @return

      *      false if the parsing is completed.

      */

     public synchronized boolean makeProgress() {

         if (!it.hasNext()) {

             return false;

         }

         MIMEEvent event = it.next();

         switch(event.getEventType()) {

             case START_MESSAGE :

                 LOGGER.log(Level.FINE, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.START_MESSAGE);

                 break;

             case START_PART :

                 LOGGER.log(Level.FINE, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.START_PART);

                 break;

             case HEADERS :

                 LOGGER.log(Level.FINE, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.HEADERS);

                 MIMEEvent.Headers headers = (MIMEEvent.Headers)event;

                 InternetHeaders ih = headers.getHeaders();

                 List<String> cids = ih.getHeader("content-id");

                 String cid = (cids != null) ? cids.get(0) : currentIndex+"";

                 if (cid.length() > 2 && cid.charAt(0)=='<') {

                     cid = cid.substring(1,cid.length()-1);

                 }

                 MIMEPart listPart = (currentIndex < partsList.size()) ? partsList.get(currentIndex) : null;

                 MIMEPart mapPart = getDecodedCidPart(cid);

                 if (listPart == null && mapPart == null) {

                     currentPart = getPart(cid);

                     partsList.add(currentIndex, currentPart);

                 } else if (listPart == null) {

                     currentPart = mapPart;

                     partsList.add(currentIndex, mapPart);

                 } else if (mapPart == null) {

                     currentPart = listPart;

                     currentPart.setContentId(cid);

                     partsMap.put(cid, currentPart);

                 } else if (listPart != mapPart) {

                     throw new MIMEParsingException("Created two different attachments using Content-ID and index");

                 }

                 currentPart.setHeaders(ih);

                 break;

             case CONTENT :

                 LOGGER.log(Level.FINER, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.CONTENT);

                 MIMEEvent.Content content = (MIMEEvent.Content)event;

                 ByteBuffer buf = content.getData();

                 currentPart.addBody(buf);

                 break;

             case END_PART :

                 LOGGER.log(Level.FINE, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.END_PART);

                 currentPart.doneParsing();

                 ++currentIndex;

                 break;

             case END_MESSAGE :

                 LOGGER.log(Level.FINE, "MIMEEvent={0}", MIMEEvent.EVENT_TYPE.END_MESSAGE);

                 parsed = true;

                 try {

                     in.close();

                 } catch(IOException ioe) {

                     throw new MIMEParsingException(ioe);

                 }

                 break;

             default :

                 throw new MIMEParsingException("Unknown Parser state = "+event.getEventType());

         }

         return true;

     }

 }