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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.x509;
import java.io.IOException;
import java.util.Enumeration;
import java.util.Vector;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
import netscape.security.util.PrettyPrintFormat;
/**
* Represent the GeneralSubtrees ASN.1 object.
*
* @version 1.4
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
*/
public class GeneralSubtrees {
private Vector trees;
private PrettyPrintFormat pp = new PrettyPrintFormat(":");
/**
* The default constructor for the class.
*
* @param trees the sequence of GeneralSubtree.
*/
public GeneralSubtrees(Vector trees) {
this.trees = trees;
}
/**
* Create the object from the passed DER encoded form.
*
* @param val the DER encoded form of the same.
*/
public GeneralSubtrees(DerValue val) throws IOException {
trees = new Vector(1, 1);
if (val.tag != DerValue.tag_Sequence) {
throw new IOException("Invalid encoding of GeneralSubtrees.");
}
while (val.data.available() != 0) {
DerValue opt = val.data.getDerValue();
GeneralSubtree tree = new GeneralSubtree(opt);
trees.addElement(tree);
}
}
/**
* Return a printable string of the GeneralSubtree.
*/
public String toString() {
String s = " GeneralSubtrees:\n" + trees.toString()
+ "\n";
return (s);
}
public String toPrint(int indent) {
String s = "";
GeneralSubtree element;
for (Enumeration e = trees.elements() ; e.hasMoreElements() ;) {
element = (GeneralSubtree) e.nextElement();
s = s + pp.indent(indent+4)+ element.toPrint(indent) +"\n";
}
return (s);
}
/**
* Encode the GeneralSubtrees.
*
* @param out the DerOutputStrean to encode this object to.
*/
public void encode(DerOutputStream out) throws IOException {
DerOutputStream seq = new DerOutputStream();
for (int i = 0; i < trees.size(); i++) {
((GeneralSubtree)trees.elementAt(i)).encode(seq);
}
out.write(DerValue.tag_Sequence,seq);
}
public Vector getSubtrees() {
return trees;
}
}
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