apache-mime4j-0.6/src/main/java/org/apache/james/mime4j/field/UnstructuredField.java

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package org.apache.james.mime4j.field;

import org.apache.james.mime4j.codec.DecoderUtil;
import org.apache.james.mime4j.util.ByteSequence;

/**
 * Simple unstructured field such as <code>Subject</code>.
 */
public class UnstructuredField extends AbstractField {
    private boolean parsed = false;

    private String value;

    UnstructuredField(String name, String body, ByteSequence raw) {
        super(name, body, raw);
    }

    public String getValue() {
        if (!parsed)
            parse();

        return value;
    }

    private void parse() {
        String body = getBody();

        value = DecoderUtil.decodeEncodedWords(body);

        parsed = true;
    }

    static final FieldParser PARSER = new FieldParser() {
        public ParsedField parse(final String name, final String body,
                final ByteSequence raw) {
            return new UnstructuredField(name, body, raw);
        }
    };
}