/*
* Copyright (c) 2005, 2011, 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
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/*
* $Id: ExcC14NParameterSpec.java,v 1.7 2005/05/13 18:45:42 mullan Exp $
*/
package javax.xml.crypto.dsig.spec;
import javax.xml.crypto.dsig.CanonicalizationMethod;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Parameters for the W3C Recommendation:
* <a href="http://www.w3.org/TR/xml-exc-c14n/">
* Exclusive XML Canonicalization (C14N) algorithm</a>. The
* parameters include an optional inclusive namespace prefix list. The XML
* Schema Definition of the Exclusive XML Canonicalization parameters is
* defined as:
* <pre><code>
* <schema xmlns="http://www.w3.org/2001/XMLSchema"
* xmlns:ec="http://www.w3.org/2001/10/xml-exc-c14n#"
* targetNamespace="http://www.w3.org/2001/10/xml-exc-c14n#"
* version="0.1" elementFormDefault="qualified">
*
* <element name="InclusiveNamespaces" type="ec:InclusiveNamespaces"/>
* <complexType name="InclusiveNamespaces">
* <attribute name="PrefixList" type="xsd:string"/>
* </complexType>
* </schema>
* </code></pre>
*
* @author Sean Mullan
* @author JSR 105 Expert Group
* @since 1.6
* @see CanonicalizationMethod
*/
public final class ExcC14NParameterSpec implements C14NMethodParameterSpec {
private final List<String> prefixList;
/**
* Indicates the default namespace ("#default").
*/
public static final String DEFAULT = "#default";
/**
* Creates a <code>ExcC14NParameterSpec</code> with an empty prefix
* list.
*/
public ExcC14NParameterSpec() {
prefixList = Collections.emptyList();
}
/**
* Creates a <code>ExcC14NParameterSpec</code> with the specified list
* of prefixes. The list is copied to protect against subsequent
* modification.
*
* @param prefixList the inclusive namespace prefix list. Each entry in
* the list is a <code>String</code> that represents a namespace prefix.
* @throws NullPointerException if <code>prefixList</code> is
* <code>null</code>
* @throws ClassCastException if any of the entries in the list are not
* of type <code>String</code>
*/
public ExcC14NParameterSpec(List<String> prefixList) {
if (prefixList == null) {
throw new NullPointerException("prefixList cannot be null");
}
List<String> tempList = Collections.checkedList(new ArrayList<>(),
String.class);
tempList.addAll(prefixList);
this.prefixList = Collections.unmodifiableList(tempList);
}
/**
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