MultiContentSubjectProvider.java

package fr.sii.ogham.core.subject.provider;

import fr.sii.ogham.core.message.Message;

import fr.sii.ogham.core.message.content.Content;

import fr.sii.ogham.core.message.content.MultiContent;

/**

 * Subject provider that is able to handle messages with {@link MultiContent}.

 * The aim is to try to generate a subject from the {@link MultiContent}. The

 * subject generation is delegated to another subject provider. Each part of the

 * {@link MultiContent} is extracted and the delegated subject provider is

 * called with the content part.

 * <ul>

 * <li>

 * If one of the content part could be used to generate the subject then this

 * subject is returned.</li>

 * <li>If several content parts could be used to generate the subject then only

 * the first generated subject is used.</li>

 * <li>If none of the content part could generate a subject then

 * <code>null</code> is returned.</li>

 * <li>If the content is not a {@link MultiContent} then null is returned.</li>

 * </ul>

 * 

 * @author Aurélien Baudet

 *

 */

public class MultiContentSubjectProvider implements SubjectProvider {

	/**

	 * The delegate subject provider that is applied on every content part

	 */

	private SubjectProvider provider;

	public MultiContentSubjectProvider(SubjectProvider provider) {

	@Override

	public String provide(Message message) {

				}

		}

	}

}

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