CertificatePolicies.java [plain text]
package gnu.java.security.x509.ext;
import java.io.IOException;
import java.security.cert.PolicyQualifierInfo;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import gnu.java.security.OID;
import gnu.java.security.der.DER;
import gnu.java.security.der.DERReader;
import gnu.java.security.der.DERValue;
public class CertificatePolicies extends Extension.Value
{
public static final OID ID = new OID("2.5.29.32");
private final List policies;
private final Map policyQualifierInfos;
public CertificatePolicies(final byte[] encoded) throws IOException
{
super(encoded);
DERReader der = new DERReader(encoded);
DERValue pol = der.read();
if (!pol.isConstructed())
throw new IOException("malformed CertificatePolicies");
int len = 0;
LinkedList policyList = new LinkedList();
HashMap qualifierMap = new HashMap();
while (len < pol.getLength())
{
DERValue policyInfo = der.read();
if (!policyInfo.isConstructed())
throw new IOException("malformed PolicyInformation");
DERValue val = der.read();
if (val.getTag() != DER.OBJECT_IDENTIFIER)
throw new IOException("malformed CertPolicyId");
OID policyId = (OID) val.getValue();
policyList.add(policyId);
if (val.getEncodedLength() < policyInfo.getLength())
{
DERValue qual = der.read();
int len2 = 0;
LinkedList quals = new LinkedList();
while (len2 < qual.getLength())
{
val = der.read();
quals.add(new PolicyQualifierInfo(val.getEncoded()));
der.skip(val.getLength());
len2 += val.getEncodedLength();
}
qualifierMap.put(policyId, quals);
}
len += policyInfo.getEncodedLength();
}
policies = Collections.unmodifiableList(policyList);
policyQualifierInfos = Collections.unmodifiableMap(qualifierMap);
}
public CertificatePolicies (final List policies,
final Map policyQualifierInfos)
{
for (Iterator it = policies.iterator(); it.hasNext(); )
if (!(it.next() instanceof OID))
throw new IllegalArgumentException ("policies must be OIDs");
for (Iterator it = policyQualifierInfos.entrySet().iterator(); it.hasNext();)
{
Map.Entry e = (Map.Entry) it.next();
if (!(e.getKey() instanceof OID) || !policies.contains (e.getKey()))
throw new IllegalArgumentException
("policyQualifierInfos keys must be OIDs");
if (!(e.getValue() instanceof List))
throw new IllegalArgumentException
("policyQualifierInfos values must be Lists of PolicyQualifierInfos");
for (Iterator it2 = ((List) e.getValue()).iterator(); it.hasNext(); )
if (!(it2.next() instanceof PolicyQualifierInfo))
throw new IllegalArgumentException
("policyQualifierInfos values must be Lists of PolicyQualifierInfos");
}
this.policies = Collections.unmodifiableList (new ArrayList (policies));
this.policyQualifierInfos = Collections.unmodifiableMap
(new HashMap (policyQualifierInfos));
}
public List getPolicies()
{
return policies;
}
public List getPolicyQualifierInfos(OID oid)
{
return (List) policyQualifierInfos.get(oid);
}
public byte[] getEncoded()
{
if (encoded == null)
{
List pol = new ArrayList (policies.size());
for (Iterator it = policies.iterator(); it.hasNext(); )
{
OID policy = (OID) it.next();
List qualifiers = getPolicyQualifierInfos (policy);
List l = new ArrayList (qualifiers == null ? 1 : 2);
l.add (new DERValue (DER.OBJECT_IDENTIFIER, policy));
if (qualifiers != null)
{
List ll = new ArrayList (qualifiers.size());
for (Iterator it2 = qualifiers.iterator(); it.hasNext(); )
{
PolicyQualifierInfo info = (PolicyQualifierInfo) it2.next();
try
{
ll.add (DERReader.read (info.getEncoded()));
}
catch (IOException ioe)
{
}
}
l.add (new DERValue (DER.CONSTRUCTED|DER.SEQUENCE, ll));
}
pol.add (new DERValue (DER.CONSTRUCTED|DER.SEQUENCE, l));
}
encoded = new DERValue (DER.CONSTRUCTED|DER.SEQUENCE, pol).getEncoded();
}
return (byte[]) encoded.clone();
}
public String toString()
{
return CertificatePolicies.class.getName() + " [ policies=" + policies +
" policyQualifierInfos=" + policyQualifierInfos + " ]";
}
}