/**
* Returns the actual value of the extension.
*
* @param cert the certificate that contains the extensions to retrieve.
* @param oid the oid of the extension to retrieve.
* @return the actual value of the extension (not octet string encoded)
* @exception IOException if decoding the extension fails.
*/
public static byte[] getExtensionValue(X509Certificate cert, String oid) throws IOException {
if (cert == null) {
throw new IllegalArgumentException(i18n.getMessage("certNull"));
}
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
byte[] value = cert.getExtensionValue(oid);
if (value == null) {
return null;
}
return BouncyCastleUtil.getExtensionValue(value);
}
/**
* Creates a X509Extension object with specified oid, critical property, and value.
*
* @param oid the oid of the extension
* @param critical the critical value.
* @param value the actual value of the extension (not octet string encoded). The value can be
* null.
*/
public X509Extension(String oid, boolean critical, byte[] value) {
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
this.oid = oid;
this.critical = critical;
this.value = value;
}
/**
* Sets the oid of this extension.
*
* @param oid the oid of this extension. Cannot not null.
*/
public void setOid(String oid) {
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
this.oid = oid;
}
/**
* Represents an X.509 extension. It is used to create X.509 extensions and pass them in a <code>
* X509ExtensionSet</code> during certificate generation.
*/
public class X509Extension {
protected boolean critical;
protected byte[] value;
protected String oid;
private static I18n i18n =
I18n.getI18n("org.globus.gsi.errors", X509Extension.class.getClassLoader());
/**
* Creates a X509Extension object with specified oid. The extension has no value and is marked as
* noncritical.
*
* @param oid the oid of the extension
*/
public X509Extension(String oid) {
this(oid, false, null);
}
/**
* Creates a X509Extension object with specified oid and value. The extension is marked as
* noncritical.
*
* @param oid the oid of the extension
* @param value the actual value of the extension (not octet string encoded). The value can be
* null.
*/
public X509Extension(String oid, byte[] value) {
this(oid, false, value);
}
/**
* Creates a X509Extension object with specified oid, critical property, and value.
*
* @param oid the oid of the extension
* @param critical the critical value.
* @param value the actual value of the extension (not octet string encoded). The value can be
* null.
*/
public X509Extension(String oid, boolean critical, byte[] value) {
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
this.oid = oid;
this.critical = critical;
this.value = value;
}
/**
* Sets the oid of this extension.
*
* @param oid the oid of this extension. Cannot not null.
*/
public void setOid(String oid) {
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
this.oid = oid;
}
/**
* Returns the oid of this extension.
*
* @return the oid of this extension. Always non-null.
*/
public String getOid() {
return this.oid;
}
/**
* Sets the extension as critical or noncritical.
*
* @param critical the critical value.
*/
public void setCritical(boolean critical) {
this.critical = critical;
}
/**
* Determines whether or not this extension is critical.
*
* @return true if extension is critical, false otherwise.
*/
public boolean isCritical() {
return this.critical;
}
/**
* Sets the actual value of the extension (not octet string encoded).
*
* @param value the actual value of the extension. Can be null.
*/
public void setValue(byte[] value) {
this.value = value;
}
/**
* Returns the actual value of the extension (not octet string encoded)
*
* @return the actual value of the extension (not octet string encoded). Null if value not set.
*/
public byte[] getValue() {
return this.value;
}
/**
* Returns the actual value of the extension.
*
* @param cert the certificate that contains the extensions to retrieve.
* @param oid the oid of the extension to retrieve.
* @return the actual value of the extension (not octet string encoded)
* @exception IOException if decoding the extension fails.
*/
public static byte[] getExtensionValue(X509Certificate cert, String oid) throws IOException {
if (cert == null) {
throw new IllegalArgumentException(i18n.getMessage("certNull"));
}
if (oid == null) {
throw new IllegalArgumentException(i18n.getMessage("oidNull"));
}
byte[] value = cert.getExtensionValue(oid);
if (value == null) {
return null;
}
return BouncyCastleUtil.getExtensionValue(value);
}
}