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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1751183 13f79535-47bb-0310-9956-ffa450edef68
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Javen O'Neal
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b6fe670114
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0dc4d4fbbf
@ -40,159 +40,159 @@ import org.apache.poi.util.LittleEndian;
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* http://search.cpan.org/dist/Convert-TNEF/
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*/
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public final class HMEFMessage {
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public static final int HEADER_SIGNATURE = 0x223e9f78;
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@SuppressWarnings("unused")
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private int fileId;
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private final List<TNEFAttribute> messageAttributes = new ArrayList<TNEFAttribute>();
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private final List<MAPIAttribute> mapiAttributes = new ArrayList<MAPIAttribute>();
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private final List<Attachment> attachments = new ArrayList<Attachment>();
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public HMEFMessage(InputStream inp) throws IOException {
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try {
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// Check the signature matches
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int sig = LittleEndian.readInt(inp);
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if(sig != HEADER_SIGNATURE) {
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throw new IllegalArgumentException(
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"TNEF signature not detected in file, " +
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"expected " + HEADER_SIGNATURE + " but got " + sig
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);
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}
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// Read the File ID
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fileId = LittleEndian.readUShort(inp);
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// Now begin processing the contents
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process(inp);
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} finally {
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inp.close();
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}
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}
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private void process(InputStream inp) throws IOException {
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int level;
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do {
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// Fetch the level
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level = inp.read();
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public static final int HEADER_SIGNATURE = 0x223e9f78;
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@SuppressWarnings("unused")
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private int fileId;
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private final List<TNEFAttribute> messageAttributes = new ArrayList<TNEFAttribute>();
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private final List<MAPIAttribute> mapiAttributes = new ArrayList<MAPIAttribute>();
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private final List<Attachment> attachments = new ArrayList<Attachment>();
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public HMEFMessage(InputStream inp) throws IOException {
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try {
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// Check the signature matches
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int sig = LittleEndian.readInt(inp);
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if (sig != HEADER_SIGNATURE) {
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throw new IllegalArgumentException(
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"TNEF signature not detected in file, " +
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"expected " + HEADER_SIGNATURE + " but got " + sig
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);
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}
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// Read the File ID
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fileId = LittleEndian.readUShort(inp);
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// Now begin processing the contents
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process(inp);
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} finally {
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inp.close();
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}
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}
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private void process(InputStream inp) throws IOException {
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int level;
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do {
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// Fetch the level
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level = inp.read();
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// Decide what to attach it to, based on the levels and IDs
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switch (level) {
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case TNEFProperty.LEVEL_MESSAGE:
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processMessage(inp);
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break;
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case TNEFProperty.LEVEL_ATTACHMENT:
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processAttachment(inp);
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break;
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// ignore trailing newline
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case '\r':
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case '\n':
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case TNEFProperty.LEVEL_END_OF_FILE:
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break;
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default:
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throw new IllegalStateException("Unhandled level " + level);
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}
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} while (level != TNEFProperty.LEVEL_END_OF_FILE);
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}
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// Decide what to attach it to, based on the levels and IDs
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switch (level) {
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case TNEFProperty.LEVEL_MESSAGE:
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processMessage(inp);
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break;
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case TNEFProperty.LEVEL_ATTACHMENT:
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processAttachment(inp);
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break;
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// ignore trailing newline
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case '\r':
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case '\n':
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case TNEFProperty.LEVEL_END_OF_FILE:
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break;
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default:
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throw new IllegalStateException("Unhandled level " + level);
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}
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} while (level != TNEFProperty.LEVEL_END_OF_FILE);
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}
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void processMessage(InputStream inp) throws IOException {
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// Build the attribute
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TNEFAttribute attr = TNEFAttribute.create(inp);
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void processMessage(InputStream inp) throws IOException {
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// Build the attribute
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TNEFAttribute attr = TNEFAttribute.create(inp);
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messageAttributes.add(attr);
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messageAttributes.add(attr);
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if (attr instanceof TNEFMAPIAttribute) {
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TNEFMAPIAttribute tnefMAPI = (TNEFMAPIAttribute) attr;
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mapiAttributes.addAll(tnefMAPI.getMAPIAttributes());
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}
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}
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if (attr instanceof TNEFMAPIAttribute) {
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TNEFMAPIAttribute tnefMAPI = (TNEFMAPIAttribute) attr;
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mapiAttributes.addAll(tnefMAPI.getMAPIAttributes());
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}
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}
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void processAttachment(InputStream inp) throws IOException {
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// Build the attribute
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TNEFAttribute attr = TNEFAttribute.create(inp);
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void processAttachment(InputStream inp) throws IOException {
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// Build the attribute
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TNEFAttribute attr = TNEFAttribute.create(inp);
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// Previous attachment or a new one?
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if (attachments.isEmpty()
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|| attr.getProperty() == TNEFProperty.ID_ATTACHRENDERDATA) {
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attachments.add(new Attachment());
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}
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// Previous attachment or a new one?
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if (attachments.isEmpty()
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|| attr.getProperty() == TNEFProperty.ID_ATTACHRENDERDATA) {
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attachments.add(new Attachment());
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}
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// Save the attribute for it
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Attachment attach = attachments.get(attachments.size() - 1);
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attach.addAttribute(attr);
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}
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/**
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* Returns all HMEF/TNEF attributes of the message.
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* Note - In a typical message, most of the interesting properties
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* are stored as {@link MAPIAttribute}s - see {@link #getMessageMAPIAttributes()}
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*/
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public List<TNEFAttribute> getMessageAttributes() {
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return Collections.unmodifiableList(messageAttributes);
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}
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/**
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* Returns all MAPI attributes of the message.
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* Note - A small number of HMEF/TNEF specific attributes normally
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* apply to most messages, see {@link #getMessageAttributes()}
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*/
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public List<MAPIAttribute> getMessageMAPIAttributes() {
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return Collections.unmodifiableList(mapiAttributes);
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}
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/**
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* Returns all the Attachments of the message.
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*/
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public List<Attachment> getAttachments() {
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return Collections.unmodifiableList(attachments);
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}
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/**
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* Return the message attribute with the given ID,
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* or null if there isn't one.
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*/
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public TNEFAttribute getMessageAttribute(TNEFProperty id) {
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for(TNEFAttribute attr : messageAttributes) {
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if(attr.getProperty() == id) {
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return attr;
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}
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}
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return null;
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}
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/**
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* Return the message MAPI Attribute with the given ID,
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* or null if there isn't one.
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*/
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public MAPIAttribute getMessageMAPIAttribute(MAPIProperty id) {
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for(MAPIAttribute attr : mapiAttributes) {
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if(attr.getProperty() == id) {
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return attr;
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}
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}
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return null;
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}
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/**
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* Return the string value of the mapi property, or null
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* if it isn't set
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*/
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private String getString(MAPIProperty id) {
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return MAPIStringAttribute.getAsString( getMessageMAPIAttribute(id) );
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}
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/**
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* Returns the Message Subject, or null if the mapi property
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* for this isn't set
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*/
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public String getSubject() {
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return getString(MAPIProperty.CONVERSATION_TOPIC);
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}
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/**
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* Returns the Message Body, as RTF, or null if the mapi property
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* for this isn't set
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*/
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public String getBody() {
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return getString(MAPIProperty.RTF_COMPRESSED);
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}
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// Save the attribute for it
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Attachment attach = attachments.get(attachments.size() - 1);
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attach.addAttribute(attr);
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}
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/**
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* Returns all HMEF/TNEF attributes of the message.
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* Note - In a typical message, most of the interesting properties
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* are stored as {@link MAPIAttribute}s - see {@link #getMessageMAPIAttributes()}
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*/
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public List<TNEFAttribute> getMessageAttributes() {
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return Collections.unmodifiableList(messageAttributes);
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}
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/**
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* Returns all MAPI attributes of the message.
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* Note - A small number of HMEF/TNEF specific attributes normally
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* apply to most messages, see {@link #getMessageAttributes()}
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*/
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public List<MAPIAttribute> getMessageMAPIAttributes() {
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return Collections.unmodifiableList(mapiAttributes);
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}
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/**
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* Returns all the Attachments of the message.
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*/
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public List<Attachment> getAttachments() {
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return Collections.unmodifiableList(attachments);
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}
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/**
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* Return the message attribute with the given ID,
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* or null if there isn't one.
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*/
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public TNEFAttribute getMessageAttribute(TNEFProperty id) {
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for (TNEFAttribute attr : messageAttributes) {
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if (attr.getProperty() == id) {
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return attr;
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}
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}
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return null;
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}
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/**
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* Return the message MAPI Attribute with the given ID,
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* or null if there isn't one.
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*/
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public MAPIAttribute getMessageMAPIAttribute(MAPIProperty id) {
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for (MAPIAttribute attr : mapiAttributes) {
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if (attr.getProperty() == id) {
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return attr;
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}
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}
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return null;
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}
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/**
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* Return the string value of the mapi property, or null
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* if it isn't set
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*/
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private String getString(MAPIProperty id) {
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return MAPIStringAttribute.getAsString( getMessageMAPIAttribute(id) );
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}
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/**
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* Returns the Message Subject, or null if the mapi property
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* for this isn't set
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*/
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public String getSubject() {
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return getString(MAPIProperty.CONVERSATION_TOPIC);
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}
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/**
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* Returns the Message Body, as RTF, or null if the mapi property
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* for this isn't set
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*/
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public String getBody() {
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return getString(MAPIProperty.RTF_COMPRESSED);
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}
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}
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