/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package javax.mail;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Enumeration;
import javax.activation.DataHandler;

/**
 * Note: Parts are used in Collections so implementing classes must provide
 * a suitable implementation of equals and hashCode.
 *
 * @version $Rev$ $Date$
 */
public interface Part {
    public static final String ATTACHMENT = "attachment";
    public static final String INLINE = "inline";

    public abstract void addHeader(String name, String value) throws MessagingException;

    public abstract Enumeration getAllHeaders() throws MessagingException;

    public abstract Object getContent() throws IOException, MessagingException;

    public abstract String getContentType() throws MessagingException;

    public abstract DataHandler getDataHandler() throws MessagingException;

    public abstract String getDescription() throws MessagingException;

    public abstract String getDisposition() throws MessagingException;

    public abstract String getFileName() throws MessagingException;

    public abstract String[] getHeader(String name) throws MessagingException;

    public abstract InputStream getInputStream() throws IOException, MessagingException;

    public abstract int getLineCount() throws MessagingException;

    public abstract Enumeration getMatchingHeaders(String[] names) throws MessagingException;

    public abstract Enumeration getNonMatchingHeaders(String[] names) throws MessagingException;

    public abstract int getSize() throws MessagingException;

    public abstract boolean isMimeType(String mimeType) throws MessagingException;

    public abstract void removeHeader(String name) throws MessagingException;

    public abstract void setContent(Multipart content) throws MessagingException;

    public abstract void setContent(Object content, String type) throws MessagingException;

    public abstract void setDataHandler(DataHandler handler) throws MessagingException;

    public abstract void setDescription(String description) throws MessagingException;

    public abstract void setDisposition(String disposition) throws MessagingException;

    public abstract void setFileName(String name) throws MessagingException;

    public abstract void setHeader(String name, String value) throws MessagingException;

    public abstract void setText(String content) throws MessagingException;

    public abstract void writeTo(OutputStream out) throws IOException, MessagingException;
}