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/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.ws.extensions.policy;
// $Id: Policy.java 3959 2007-07-20 14:44:19Z heiko.braun@jboss.com $
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import org.jboss.ws.WSException;
import org.jboss.wsf.common.DOMUtils;
import org.jboss.wsf.common.DOMWriter;
import org.jboss.xb.binding.NamespaceRegistry;
import org.w3c.dom.Element;
/**
* At the abstract level a policy is a potentially empty collection of policy alternatives. A
* policy with zero alternatives contains no choices; a policy with one or more alternatives
* indicates choice in requirements (or capabilities) within the policy.
*
* Alternatives are not ordered, and thus aspects such as preferences between alternatives
* in a given context are beyond the scope of this specification.
*
* Alternatives within a policy may differ significantly in terms of the behaviors they
* indicate. Conversely, alternatives within a policy may be very similar. In either case, the
* value or suitability of an alternative is generally a function of the semantics of assertions
* within the alternative.
*
* @author Thomas.Diesler@jboss.org
* @since 13-Nov-2005
*/
public class Policy
{
public static final String URI_POLICY = "http://schemas.xmlsoap.org/ws/2004/09/policy";
public static final String URI_SECURITY_UTILITY = "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd";
// The target namespace
private String targetNamespace;
// The optional base URI
private String baseURI;
// The optional ID
private String id;
// The policy alternatives
private Collection<PolicyAlternative> alternatives = new ArrayList<PolicyAlternative>();
// The namespace registry for the policy
private NamespaceRegistry nsRegistry = new NamespaceRegistry();
// Hide constructor
Policy()
{
}
public NamespaceRegistry getNamespaceRegistry()
{
return nsRegistry;
}
public String getTargetNamespace()
{
return targetNamespace;
}
public void setTargetNamespace(String targetNamespace)
{
this.targetNamespace = targetNamespace;
}
public String getBaseURI()
{
return baseURI;
}
public void setBaseURI(String baseURI)
{
this.baseURI = baseURI;
}
public String getID()
{
return id;
}
public void setID(String id)
{
this.id = id;
}
public void addPolicyAlternative(PolicyAlternative polAlternative)
{
alternatives.add(polAlternative);
}
public Collection<PolicyAlternative> getPolicyAlternatives()
{
return new ArrayList<PolicyAlternative>(alternatives);
}
public void clearPolicyAlternatives()
{
alternatives.clear();
}
public Element toElement()
{
String xmlString = toXMLString(false);
try
{
return DOMUtils.parse(xmlString);
}
catch (IOException ex)
{
throw new WSException("Cannot parse: " + xmlString, ex);
}
}
public String toXMLString(boolean pretty)
{
if (pretty)
{
Element elPolicy = toElement();
return DOMWriter.printNode(elPolicy, true);
}
StringBuilder xmlBuffer = new StringBuilder("<wsp:Policy");
Iterator it = nsRegistry.getRegisteredURIs();
while (it.hasNext())
{
String nsURI = (String)it.next();
String prefix = nsRegistry.getPrefix(nsURI);
xmlBuffer.append(" xmlns:" + prefix + "='" + nsURI + "'");
}
if (id != null)
{
xmlBuffer.append(" xmlns:wsu='" + URI_SECURITY_UTILITY + "'");
xmlBuffer.append(" wsu:Id='" + id + "'");
}
if (baseURI != null)
{
xmlBuffer.append(" xml:base='" + baseURI + "'");
}
if (targetNamespace != null)
{
xmlBuffer.append(" TargetNamespace='" + targetNamespace + "'");
}
xmlBuffer.append(">");
xmlBuffer.append("<wsp:ExactlyOne>");
for (PolicyAlternative polAlternative : alternatives)
{
xmlBuffer.append(polAlternative.toXMLString(false));
}
xmlBuffer.append("</wsp:ExactlyOne>");
xmlBuffer.append("</wsp:Policy>");
String xmlString = xmlBuffer.toString();
return xmlString;
}
public String toString()
{
return toXMLString(true);
}
}
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