MultiPartPanel.java

package com.inter6.mail.gui.component.content;

import java.awt.BorderLayout;
import java.util.List;
import java.util.Vector;

import javax.mail.BodyPart;
import javax.mail.MessagingException;
import javax.mail.Multipart;
import javax.mail.internet.MimeBodyPart;
import javax.mail.internet.MimeMultipart;
import javax.swing.JLabel;

import org.apache.commons.collections4.CollectionUtils;

import com.inter6.mail.model.ContentType;
import com.inter6.mail.model.component.content.MultiPartData;
import com.inter6.mail.model.component.content.PartData;

public class MultiPartPanel extends ContentPartPanel {
	private static final long serialVersionUID = -4555796509776825034L;

	protected MultiPartPanel(String tabName, ContentType contentType, Integer nested) {
		super(tabName, contentType, nested);
	}

	@Override
	protected void initLayout() {
		this.wrapPanel.setLayout(new BorderLayout());
		this.wrapPanel.add(new JLabel("Content-Type: " + this.contentType), BorderLayout.NORTH);
	}

	@Override
	public Object buildContentPart() throws Throwable {
		MimeMultipart mp = new MimeMultipart(this.contentType.getSubType());

		List<ContentPartPanel> childPanels = this.getUnwrapChildPanels();
		if (CollectionUtils.isEmpty(childPanels)) {
			return mp;
		}
		for (ContentPartPanel childPanel : childPanels) {
			Object childPart = childPanel.buildContentPart();
			if (childPart instanceof Multipart) {
				MimeBodyPart wrapPart = new MimeBodyPart();
				wrapPart.setContent((Multipart) childPart);
				mp.addBodyPart(wrapPart);
			} else if (childPart instanceof BodyPart) {
				mp.addBodyPart((BodyPart) childPart);
			} else {
				throw new MessagingException("unknown part type ! - PART:" + childPart);
			}
		}
		return mp;
	}

	@Override
	protected PartData getPartDataFromComponents() {
		return new MultiPartData();
	}

	@Override
	protected void setComponentsFromPartData(PartData partData) {
		// multipart has not data
	}

	@Override
	protected Vector<ContentType> getAvailableChildTypes(List<ContentPartPanel> addedChildPanels) {
		Vector<ContentType> childTypes = new Vector<>();
		childTypes.add(ContentType.MULTIPART_MIXED);
		childTypes.add(ContentType.MULTIPART_ALTERNATIVE);
		childTypes.add(ContentType.MULTIPART_RELATED);
		childTypes.add(ContentType.TEXT_PLAIN);
		childTypes.add(ContentType.TEXT_HTML);
		childTypes.add(ContentType.ATTACHMENT);
		return childTypes;
	}
}