Initial revision

From-SVN: r102074

libjava/classpath/java/security/Certificate.java

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+/* Certificate.java -- deprecated interface for modeling digital certificates
+   Copyright (C) 1998, 2002, 2004  Free Software Foundation, Inc.
+
+This file is 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, 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; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, 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 java.security;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+
+/**
+ * This interface models a digital certificate which verifies the
+ * authenticity of a party.  This class simply allows certificate
+ * information to be queried, it does not guarantee that the certificate
+ * is valid.
+ *
+ * <p>This class is deprecated in favor of the new java.security.cert package.
+ * It exists for backward compatibility only.
+ *
+ * @author Aaron M. Renn (arenn@urbanophile.com)
+ * @since 1.1
+ * @deprecated use {@link java.security.cert} instead
+ * @status updated to 1.4
+ */
+public interface Certificate
+{
+  /**
+   * This method returns the <code>Principal</code> that is guaranteeing
+   * this certificate.
+   *
+   * @return the <code>Principal</code> guaranteeing the certificate
+   */
+  Principal getGuarantor();
+
+  /**
+   * This method returns the <code>Principal</code> being guaranteed by
+   * this certificate.
+   *
+   * @return the <code>Principal</code> guaranteed by this certificate
+   */
+  Principal getPrincipal();
+
+  /**
+   * This method returns the public key for the <code>Principal</code> that
+   * is being guaranteed.
+   *
+   * @return the <code>PublicKey</code> of the Principal being guaranteed
+   */
+  PublicKey getPublicKey();
+
+  /**
+   * This method writes the certificate to an <code>OutputStream</code> in
+   * a format that can be understood by the <code>decode</code> method.
+   *
+   * @param out the <code>OutputStream</code> to write to
+   * @throws KeyException if there is a problem with the certificate
+   * @throws IOException if an error occurs writing to the stream
+   * @see #decode(InputStream)
+   * @see #getFormat()
+   */
+  void encode(OutputStream out) throws KeyException, IOException;
+
+  /**
+   * This method reads an encoded certificate from an <code>InputStream</code>.
+   *
+   * @param in the <code>InputStream</code> to read from
+   * @throws KeyException if there is a problem with the certificate data
+   * @throws IOException if an error occurs reading from the stream
+   * @see #encode(OutputStream)
+   * @see #getFormat()
+   */
+  void decode(InputStream in) throws KeyException, IOException;
+
+  /**
+   * This method returns the encoding format of the certificate (e.g., "PGP",
+   * "X.509").  This format is used by the <code>encode</code> and
+   * <code>decode</code> methods.
+   *
+   * @return the encoding format being used
+   */
+  String getFormat();
+
+  /**
+   * This method returns a <code>String</code> representation of the contents
+   * of this certificate.
+   *
+   * @param detail true to provided more detailed information
+   * @return the string representation
+   */
+  String toString(boolean detail);
+} // interface Certificate