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* 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 *
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* 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 *
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* specific language governing permissions and limitations *
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package org.apache.james.mime4j.field;
/**
* Represents a <code>Content-Transfer-Encoding</code> field.
*
*
* @version $Id: ContentTransferEncodingField.java,v 1.2 2004/10/02 12:41:11 ntherning Exp $
*/
public class ContentTransferEncodingField extends Field {
/**
* The <code>7bit</code> encoding.
*/
public static final String ENC_7BIT = "7bit";
/**
* The <code>8bit</code> encoding.
*/
public static final String ENC_8BIT = "8bit";
/**
* The <code>binary</code> encoding.
*/
public static final String ENC_BINARY = "binary";
/**
* The <code>quoted-printable</code> encoding.
*/
public static final String ENC_QUOTED_PRINTABLE = "quoted-printable";
/**
* The <code>base64</code> encoding.
*/
public static final String ENC_BASE64 = "base64";
private String encoding;
protected ContentTransferEncodingField(String name, String body, String raw, String encoding) {
super(name, body, raw);
this.encoding = encoding;
}
/**
* Gets the encoding defined in this field.
*
* @return the encoding or an empty string if not set.
*/
public String getEncoding() {
return encoding;
}
/**
* Gets the encoding of the given field if. Returns the default
* <code>7bit</code> if not set or if
* <code>f</code> is <code>null</code>.
*
* @return the encoding.
*/
public static String getEncoding(ContentTransferEncodingField f) {
if (f != null && f.getEncoding().length() != 0) {
return f.getEncoding();
}
return ENC_7BIT;
}
public static class Parser implements FieldParser {
public Field parse(final String name, final String body, final String raw) {
final String encoding = body.trim().toLowerCase();
return new ContentTransferEncodingField(name, body, raw, encoding);
}
}
}