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package com.ozacc.mail.fetch.impl.sk_jp; |
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import java.io.IOException; |
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import java.io.UnsupportedEncodingException; |
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import javax.activation.DataHandler; |
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import javax.mail.MessagingException; |
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import javax.mail.Multipart; |
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import javax.mail.Part; |
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import javax.mail.internet.ContentType; |
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import javax.mail.internet.MimeBodyPart; |
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import javax.mail.internet.MimeMultipart; |
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public class MultipartUtility { |
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private static final String JIS_CHARSET = "ISO-2022-JP"; |
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public static Object getContent(Part part) throws MessagingException, IOException { |
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return getContent(part, JIS_CHARSET); |
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} |
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private static CorrectedContentTypeDataSource correctedDataSource = new CorrectedContentTypeDataSourceUTF7Support(); |
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private static DataHandler correctedDataHandler = new DataHandler(correctedDataSource); |
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public static Object getContent(Part part, String charset) throws MessagingException, |
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IOException { |
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synchronized (correctedDataSource) { |
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correctedDataSource.setPart(part); |
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try { |
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correctedDataSource.setDefaultCharset(charset); |
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return correctedDataHandler.getContent(); |
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} catch (UnsupportedEncodingException e) { |
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correctedDataSource.setForceCharset(JIS_CHARSET); |
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return correctedDataHandler.getContent(); |
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} |
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} |
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} |
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public static String getFirstPlainText(Part part) throws MessagingException { |
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FirstPlainPartExtractor h = new FirstPlainPartExtractor(); |
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process(part, h); |
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return h.getText(); |
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} |
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public static String getPlainText(Part part) throws MessagingException { |
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PlainPartExtractor h = new PlainPartExtractor(); |
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process(part, h); |
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return h.getText(); |
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} |
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public static void process(Part part, PartHandler handler) throws MessagingException { |
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process(part, handler, null); |
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} |
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private static boolean process(Part part, PartHandler handler, ContentType context) |
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throws MessagingException { |
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try { |
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if (part.isMimeType("multipart/*")) { |
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Multipart mp = (Multipart)part.getContent(); |
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ContentType cType = new ContentType(part.getContentType()); |
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for (int i = 0; i < mp.getCount(); i++) { |
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if (!process(mp.getBodyPart(i), handler, cType)) { |
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return false; |
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} |
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} |
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return true; |
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} |
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return handler.processPart(part, context); |
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} catch (IOException e) { |
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throw new MessagingException("Got exception \nin " + part + "\n", e); |
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} |
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} |
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public static void addBodyPart(Part part, MimeBodyPart bodyPart) throws MessagingException, |
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IOException { |
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if (part.isMimeType("multipart/*")) { |
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((MimeMultipart)part.getContent()).addBodyPart(bodyPart); |
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return; |
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} |
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MimeMultipart mp = new MimeMultipart("mixed"); |
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MimeBodyPart original = new MimeBodyPart(); |
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original.setContent(part.getContent(), part.getContentType()); |
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mp.addBodyPart(original); |
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mp.addBodyPart(bodyPart); |
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part.setContent(mp); |
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} |
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public static void dump(Part part) { |
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dump(part, 0); |
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} |
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private static void dump(Part part, int layer) { |
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for (int i = 0; i < layer; i++) { |
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System.out.print(" "); |
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} |
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try { |
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System.out.println(part.getClass() + ":" + part.getContentType()); |
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if (part.isMimeType("multipart/*")) { |
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MimeMultipart mp = (MimeMultipart)part.getContent(); |
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for (int i = 0; i < mp.getCount(); i++) { |
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dump(mp.getBodyPart(i), layer + 1); |
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} |
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} |
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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} |