| /* CertificateRequestBuilder.java -- |
| Copyright (C) 2006 Free Software Foundation, Inc. |
| |
| This file is a part of GNU Classpath. |
| |
| GNU Classpath 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; either version 2 of the License, or (at |
| your option) any later version. |
| |
| GNU Classpath 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 GNU Classpath; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 |
| USA |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| |
| package gnu.javax.net.ssl.provider; |
| |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| |
| import javax.security.auth.x500.X500Principal; |
| |
| /** |
| * Builder for {@link CertificateRequest} objects. |
| * |
| * @author Casey Marshall (csm@gnu.org) |
| */ |
| public class CertificateRequestBuilder extends CertificateRequest |
| implements Builder |
| { |
| public CertificateRequestBuilder() |
| { |
| super(ByteBuffer.allocate(1024)); |
| } |
| |
| /* (non-Javadoc) |
| * @see gnu.javax.net.ssl.provider.Builder#buffer() |
| */ |
| public ByteBuffer buffer() |
| { |
| return ((ByteBuffer) buffer.duplicate().limit(length())).slice(); |
| } |
| |
| public void setTypes(List<ClientCertificateType> types) |
| { |
| ensureCapacity(types.size() + 3); |
| buffer.put(0, (byte) types.size()); |
| ByteBuffer b = (ByteBuffer) buffer.duplicate().position(1); |
| for (ClientCertificateType type : types) |
| b.put((byte) type.getValue()); |
| } |
| |
| public void setAuthorities(List<X500Principal> authorities) |
| { |
| ByteArrayOutputStream out = new ByteArrayOutputStream(1024); |
| for (X500Principal auth : authorities) |
| { |
| byte[] encoded = auth.getEncoded(); |
| out.write((encoded.length >>> 8) & 0xFF); |
| out.write( encoded.length & 0xFF); |
| try |
| { |
| out.write(encoded); |
| } |
| catch (IOException ignored) |
| { |
| // Ignored; we use a ByteArrayOutputStream. |
| } |
| } |
| byte[] auths = out.toByteArray(); |
| int typesLen = 1 + (buffer.get(0) & 0xFF); |
| int len = typesLen + auths.length + 2; |
| ensureCapacity(len); |
| buffer.putShort(typesLen, (short) auths.length); |
| ((ByteBuffer) buffer.duplicate().position(typesLen + 2)).put(auths); |
| } |
| |
| public void ensureCapacity(final int capacity) |
| { |
| if (buffer.capacity() >= capacity) |
| return; |
| ByteBuffer newBuffer = ByteBuffer.allocate(capacity); |
| newBuffer.duplicate().put(buffer); |
| buffer = newBuffer; |
| } |
| } |