/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
*/
/*
* $Id: SignatureProperty.java,v 1.4 2005/05/10 16:03:46 mullan Exp $
*/
package javax.xml.crypto.dsig;
import javax.xml.crypto.XMLStructure;
import java.util.List;
/**
* A representation of the XML <code>SignatureProperty</code> element as
* defined in the <a href="http://www.w3.org/TR/xmldsig-core/">
* W3C Recommendation for XML-Signature Syntax and Processing</a>.
* The XML Schema Definition is defined as:
* <pre><code>
*<element name="SignatureProperty" type="ds:SignaturePropertyType"/>
* <complexType name="SignaturePropertyType" mixed="true">
* <choice maxOccurs="unbounded">
* <any namespace="##other" processContents="lax"/>
* <!-- (1,1) elements from (1, unbounded) namespaces -->
* </choice>
* <attribute name="Target" type="anyURI" use="required"/>
* <attribute name="Id" type="ID" use="optional"/>
* </complexType>
* </code></pre>
*
* A <code>SignatureProperty</code> instance may be created by invoking the
* {@link XMLSignatureFactory#newSignatureProperty newSignatureProperty}
* method of the {@link XMLSignatureFactory} class; for example:
*
* <pre>
* XMLSignatureFactory factory = XMLSignatureFactory.getInstance("DOM");
* SignatureProperty property = factory.newSignatureProperty
* (Collections.singletonList(content), "#Signature-1", "TimeStamp");
* </pre>
*
* @author Sean Mullan
* @author JSR 105 Expert Group
* @since 1.6
* @see XMLSignatureFactory#newSignatureProperty(List, String, String)
* @see SignatureProperties
*/
public interface SignatureProperty extends XMLStructure {
/**
* Returns the target URI of this <code>SignatureProperty</code>.
*
* @return the target URI of this <code>SignatureProperty</code> (never
* <code>null</code>)
*/
String getTarget();
/**
* Returns the Id of this <code>SignatureProperty</code>.
*
* @return the Id of this <code>SignatureProperty</code> (or
* <code>null</code> if not specified)
*/
String getId();
/**
* Returns an {@link java.util.Collections#unmodifiableList unmodifiable
* list} of one or more {@link XMLStructure}s that are contained in
* this <code>SignatureProperty</code>. These represent additional
* information items concerning the generation of the {@link XMLSignature}
* (i.e. date/time stamp or serial numbers of cryptographic hardware used
* in signature generation).
*
* @return an unmodifiable list of one or more <code>XMLStructure</code>s
*/
List getContent();
}