ExtendedNegotiation.java

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 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
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 *
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 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is part of dcm4che, an implementation of DICOM(TM) in
 * Java(TM), hosted at https://github.com/gunterze/dcm4che.
 *
 * The Initial Developer of the Original Code is
 * Agfa Healthcare.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
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 * See @authors listed below
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package org.dcm4che3.net.pdu;

import org.dcm4che3.util.StringUtils;
import org.dcm4che3.util.UIDUtils;

/**
 * @author Gunter Zeilinger <gunterze@gmail.com>
 * 
 */
public class ExtendedNegotiation {

    private final String cuid;
    private final byte[] info;

    public ExtendedNegotiation(String cuid, byte[] info) {
        if (cuid == null)
            throw new NullPointerException();

        this.cuid = cuid;
        this.info = info.clone();
    }

    public final String getSOPClassUID() {
        return cuid;
    }

    public final byte[] getInformation() {
        return info.clone();
    }

    public final byte getField(int index, byte def) {
        return index < info.length ? info[index] : def;
    }

    public int length() {
        return cuid.length() + info.length + 2;
    }

    @Override
    public String toString() {
        return promptTo(new StringBuilder()).toString();
    }

    StringBuilder promptTo(StringBuilder sb) {
        sb.append("  ExtendedNegotiation[")
          .append(StringUtils.LINE_SEPARATOR)
          .append("    sopClass: ");
        UIDUtils.promptTo(cuid, sb)
          .append(StringUtils.LINE_SEPARATOR)
          .append("    info: [");
        for (byte b : info)
            sb.append(b).append(", ");
        return sb.append(']')
                 .append(StringUtils.LINE_SEPARATOR)
                 .append("  ]");
    }

}