* Typical usage of these helper functions and builder objects are as follows. *
*
* String text2 = new TextBuilder("").text("")
* .text("").cidImg("contetid@domain").text("").build("").text("")
* .text("").uriImg(contentUri).text("").build("
*/
public class MessageTestUtils {
/**
* Generate AttachmentProvider content URI from attachment ID and Account.
*
* @param attachmentId attachment id
* @param account Account object
* @return AttachmentProvider content URI
*/
public static Uri contentUri(long attachmentId, Account account) {
return AttachmentUtilities.getAttachmentUri(account.mId, attachmentId);
}
/**
* Create simple MimeBodyPart.
*
* @param mimeType MIME type of body part
* @param contentId content-id header value (optional - null for no header)
* @return MimeBodyPart object which body is null.
* @throws MessagingException
*/
public static BodyPart bodyPart(String mimeType, String contentId) throws MessagingException {
final MimeBodyPart bp = new MimeBodyPart(null, mimeType);
if (contentId != null) {
bp.setHeader(MimeHeader.HEADER_CONTENT_ID, contentId);
}
return bp;
}
/**
* Create MimeBodyPart with TextBody.
*
* @param mimeType MIME type of text
* @param text body text string
* @return MimeBodyPart object whose body is TextBody
* @throws MessagingException
*/
public static BodyPart textPart(String mimeType, String text) throws MessagingException {
final TextBody textBody = new TextBody(text);
final MimeBodyPart textPart = new MimeBodyPart(textBody);
textPart.setHeader(MimeHeader.HEADER_CONTENT_TYPE, mimeType);
return textPart;
}
/**
* Builder class for Multipart.
*
* This builder object accepts any number of BodyParts and then can produce
* Multipart or BodyPart which contains accepted BodyParts. Usually combined with other
* builder object and helper method.
*/
public static class MultipartBuilder {
private final String mContentType;
private final ArrayList mParts = new ArrayList();
/**
* Create builder object with MIME type and dummy boundary string.
*
* @param mimeType MIME type of this Multipart
*/
public MultipartBuilder(String mimeType) {
this(mimeType, "this_is_boundary");
}
/**
* Create builder object with MIME type and boundary string.
*
* @param mimeType MIME type of this Multipart
* @param boundary boundary string
*/
public MultipartBuilder(String mimeType, String boundary) {
mContentType = mimeType + "; boundary=" + boundary;
}
/**
* Modifier method to add BodyPart to intended Multipart.
*
* @param bodyPart BodyPart to be added
* @return builder object itself
*/
public MultipartBuilder addBodyPart(final BodyPart bodyPart) {
mParts.add(bodyPart);
return this;
}
/**
* Build method to create Multipart.
*
* @return intended Multipart object
* @throws MessagingException
*/
public Multipart build() throws MessagingException {
final MimeMultipart mp = new MimeMultipart(mContentType);
for (BodyPart p : mParts) {
mp.addBodyPart(p);
}
return mp;
}
/**
* Build method to create BodyPart that contains this "Multipart"
* @return BodyPart whose body is intended Multipart.
* @throws MessagingException
*/
public BodyPart buildBodyPart() throws MessagingException {
final BodyPart bp = new MimeBodyPart();
bp.setBody(this.build());
return bp;
}
}
/**
* Builder class for Message
*
* This builder object accepts Body and then can produce Message object.
* Usually combined with other builder object and helper method.
*/
public static class MessageBuilder {
private Body mBody;
/**
* Create Builder object.
*/
public MessageBuilder() {
}
/**
* Modifier method to set Body.
*
* @param body Body of intended Message
* @return builder object itself
*/
public MessageBuilder setBody(final Body body) {
mBody = body;
return this;
}
/**
* Build method to create Message.
*
* @return intended Message object
* @throws MessagingException
*/
public Message build() throws MessagingException {
final MimeMessage msg = new MimeMessage();
if (mBody == null) {
throw new MessagingException("body is not specified");
}
msg.setBody(mBody);
return msg;
}
}
/**
* Builder class for simple HTML String.
* This builder object accepts some type of object or and string and then create String object.
* Usually combined with other builder object and helper method.
*/
public static class TextBuilder {
final StringBuilder mBuilder = new StringBuilder();
/**
* Create builder with preamble string
* @param preamble
*/
public TextBuilder(String preamble) {
mBuilder.append(preamble);
}
/**
* Modifier method to add img tag that has cid: src attribute.
* @param contentId content id string
* @return builder object itself
*/
public TextBuilder addCidImg(String contentId) {
return addTag("img", "SRC", "cid:" + contentId);
}
/**
* Modifier method to add img tag that has content:// src attribute.
* @param contentUri content uri object
* @return builder object itself
*/
public TextBuilder addUidImg(Uri contentUri) {
return addTag("img", "src", contentUri.toString());
}
/**
* Modifier method to add tag with specified attribute and value.
*
* @param tag tag name
* @param attribute attribute name
* @param value attribute value
* @return builder object itself
*/
public TextBuilder addTag(String tag, String attribute, String value) {
return addText(String.format("<%s %s=\"%s\">", tag, attribute, value));
}
/**
* Modifier method to add simple string.
* @param text string to add
* @return builder object itself
*/
public TextBuilder addText(String text) {
mBuilder.append(text);
return this;
}
/**
* Build method to create intended String
* @param epilogue string to add to the end
* @return intended String
*/
public String build(String epilogue) {
mBuilder.append(epilogue);
return mBuilder.toString();
}
}
}