jdk/src/java.xml.crypto/share/classes/javax/xml/crypto/XMLCryptoContext.java
changeset 25859 3317bb8137f4
parent 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.xml.crypto/share/classes/javax/xml/crypto/XMLCryptoContext.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,226 @@
+/*
+ * Copyright (c) 2005, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+/*
+ * $Id: XMLCryptoContext.java,v 1.6 2005/05/10 15:47:42 mullan Exp $
+ */
+package javax.xml.crypto;
+
+/**
+ * Contains common context information for XML cryptographic operations.
+ *
+ * <p>This interface contains methods for setting and retrieving properties
+ * that affect the processing of XML signatures or XML encrypted structures.
+ *
+ * <p>Note that <code>XMLCryptoContext</code> instances can contain information
+ * and state specific to the XML cryptographic structure it is used with.
+ * The results are unpredictable if an <code>XMLCryptoContext</code> is
+ * used with multiple structures (for example, you should not use the same
+ * {@link javax.xml.crypto.dsig.XMLValidateContext} instance to validate two
+ * different {@link javax.xml.crypto.dsig.XMLSignature} objects).
+ *
+ * @author Sean Mullan
+ * @author JSR 105 Expert Group
+ * @since 1.6
+ */
+public interface XMLCryptoContext {
+
+    /**
+     * Returns the base URI.
+     *
+     * @return the base URI, or <code>null</code> if not specified
+     * @see #setBaseURI(String)
+     */
+    String getBaseURI();
+
+    /**
+     * Sets the base URI.
+     *
+     * @param baseURI the base URI, or <code>null</code> to remove current
+     *    value
+     * @throws IllegalArgumentException if <code>baseURI</code> is not RFC
+     *    2396 compliant
+     * @see #getBaseURI
+     */
+    void setBaseURI(String baseURI);
+
+    /**
+     * Returns the key selector for finding a key.
+     *
+     * @return the key selector, or <code>null</code> if not specified
+     * @see #setKeySelector(KeySelector)
+     */
+    KeySelector getKeySelector();
+
+    /**
+     * Sets the key selector for finding a key.
+     *
+     * @param ks the key selector, or <code>null</code> to remove the current
+     *    setting
+     * @see #getKeySelector
+     */
+    void setKeySelector(KeySelector ks);
+
+    /**
+     * Returns a <code>URIDereferencer</code> that is used to dereference
+     * {@link URIReference}s.
+     *
+     * @return the <code>URIDereferencer</code>, or <code>null</code> if not
+     *    specified
+     * @see #setURIDereferencer(URIDereferencer)
+     */
+    URIDereferencer getURIDereferencer();
+
+    /**
+     * Sets a <code>URIDereferencer</code> that is used to dereference
+     * {@link URIReference}s. The specified <code>URIDereferencer</code>
+     * is used in place of an implementation's default
+     * <code>URIDereferencer</code>.
+     *
+     * @param dereferencer the <code>URIDereferencer</code>, or
+     *    <code>null</code> to remove any current setting
+     * @see #getURIDereferencer
+     */
+    void setURIDereferencer(URIDereferencer dereferencer);
+
+    /**
+     * Returns the namespace prefix that the specified namespace URI is
+     * associated with. Returns the specified default prefix if the specified
+     * namespace URI has not been bound to a prefix. To bind a namespace URI
+     * to a prefix, call the {@link #putNamespacePrefix putNamespacePrefix}
+     * method.
+     *
+     * @param namespaceURI a namespace URI
+     * @param defaultPrefix the prefix to be returned in the event that the
+     *    the specified namespace URI has not been bound to a prefix.
+     * @return the prefix that is associated with the specified namespace URI,
+     *    or <code>defaultPrefix</code> if the URI is not registered. If
+     *    the namespace URI is registered but has no prefix, an empty string
+     *    (<code>""</code>) is returned.
+     * @throws NullPointerException if <code>namespaceURI</code> is
+     *    <code>null</code>
+     * @see #putNamespacePrefix(String, String)
+     */
+    String getNamespacePrefix(String namespaceURI, String defaultPrefix);
+
+    /**
+     * Maps the specified namespace URI to the specified prefix. If there is
+     * already a prefix associated with the specified namespace URI, the old
+     * prefix is replaced by the specified prefix.
+     *
+     * @param namespaceURI a namespace URI
+     * @param prefix a namespace prefix (or <code>null</code> to remove any
+     *    existing mapping). Specifying the empty string (<code>""</code>)
+     *    binds no prefix to the namespace URI.
+     * @return the previous prefix associated with the specified namespace
+     *    URI, or <code>null</code> if there was none
+     * @throws NullPointerException if <code>namespaceURI</code> is
+     *    <code>null</code>
+     * @see #getNamespacePrefix(String, String)
+     */
+    String putNamespacePrefix(String namespaceURI, String prefix);
+
+    /**
+     * Returns the default namespace prefix. The default namespace prefix
+     * is the prefix for all namespace URIs not explicitly set by the
+     * {@link #putNamespacePrefix putNamespacePrefix} method.
+     *
+     * @return the default namespace prefix, or <code>null</code> if none has
+     *    been set.
+     * @see #setDefaultNamespacePrefix(String)
+     */
+    String getDefaultNamespacePrefix();
+
+    /**
+     * Sets the default namespace prefix. This sets the namespace prefix for
+     * all namespace URIs not explicitly set by the {@link #putNamespacePrefix
+     * putNamespacePrefix} method.
+     *
+     * @param defaultPrefix the default namespace prefix, or <code>null</code>
+     *    to remove the current setting. Specify the empty string
+     *    (<code>""</code>) to bind no prefix.
+     * @see #getDefaultNamespacePrefix
+     */
+    void setDefaultNamespacePrefix(String defaultPrefix);
+
+    /**
+     * Sets the specified property.
+     *
+     * @param name the name of the property
+     * @param value the value of the property to be set
+     * @return the previous value of the specified property, or
+     *    <code>null</code> if it did not have a value
+     * @throws NullPointerException if <code>name</code> is <code>null</code>
+     * @see #getProperty(String)
+     */
+    Object setProperty(String name, Object value);
+
+    /**
+     * Returns the value of the specified property.
+     *
+     * @param name the name of the property
+     * @return the current value of the specified property, or
+     *    <code>null</code> if it does not have a value
+     * @throws NullPointerException if <code>name</code> is <code>null</code>
+     * @see #setProperty(String, Object)
+     */
+    Object getProperty(String name);
+
+    /**
+     * Returns the value to which this context maps the specified key.
+     *
+     * <p>More formally, if this context contains a mapping from a key
+     * <code>k</code> to a value <code>v</code> such that
+     * <code>(key==null ? k==null : key.equals(k))</code>, then this method
+     * returns <code>v</code>; otherwise it returns <code>null</code>. (There
+     * can be at most one such mapping.)
+     *
+     * <p>This method is useful for retrieving arbitrary information that is
+     * specific to the cryptographic operation that this context is used for.
+     *
+     * @param key the key whose associated value is to be returned
+     * @return the value to which this context maps the specified key, or
+     *    <code>null</code> if there is no mapping for the key
+     * @see #put(Object, Object)
+     */
+    Object get(Object key);
+
+    /**
+     * Associates the specified value with the specified key in this context.
+     * If the context previously contained a mapping for this key, the old
+     * value is replaced by the specified value.
+     *
+     * <p>This method is useful for storing arbitrary information that is
+     * specific to the cryptographic operation that this context is used for.
+     *
+     * @param key key with which the specified value is to be associated with
+     * @param value value to be associated with the specified key
+     * @return the previous value associated with the key, or <code>null</code>
+     *    if there was no mapping for the key
+     * @throws IllegalArgumentException if some aspect of this key or value
+     *    prevents it from being stored in this context
+     * @see #get(Object)
+     */
+    Object put(Object key, Object value);
+}