k-9/src/com/fsck/k9/mail/Multipart.java

package com.fsck.k9.mail;

import java.util.ArrayList;

import com.fsck.k9.mail.internet.MimeHeader;
import com.fsck.k9.mail.internet.TextBody;

public abstract class Multipart implements Body
{
    protected Part mParent;

    protected ArrayList<BodyPart> mParts = new ArrayList<BodyPart>();

    protected String mContentType;

    public void addBodyPart(BodyPart part) throws MessagingException
    {
        mParts.add(part);
    }

    public void addBodyPart(BodyPart part, int index) throws MessagingException
    {
        mParts.add(index, part);
    }

    public BodyPart getBodyPart(int index) throws MessagingException
    {
        return mParts.get(index);
    }

    public String getContentType() throws MessagingException
    {
        return mContentType;
    }

    public int getCount() throws MessagingException
    {
        return mParts.size();
    }

    public boolean removeBodyPart(BodyPart part) throws MessagingException
    {
        return mParts.remove(part);
    }

    public void removeBodyPart(int index) throws MessagingException
    {
        mParts.remove(index);
    }

    public Part getParent() throws MessagingException
    {
        return mParent;
    }

    public void setParent(Part parent) throws MessagingException
    {
        this.mParent = parent;
    }

	public void setEncoding(String encoding)
	{
		for (BodyPart part : mParts)
		{
			try
			{
				Body body = part.getBody();
				if (body instanceof TextBody)
				{
					part.setHeader(MimeHeader.HEADER_CONTENT_TRANSFER_ENCODING, encoding);
					((TextBody)body).setEncoding(encoding);
				}
			}
			catch (MessagingException e)
			{
				// Ignore
			}
		}
		
	}
}