modules/rampart-core/src/main/java/org/apache/rampart/policy/builders/KerberosConfigBuilder.java

/*
 * Copyright 2001-2014 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.rampart.policy.builders;

import javax.xml.namespace.QName;

import org.apache.axiom.om.OMElement;
import org.apache.neethi.Assertion;
import org.apache.neethi.AssertionBuilderFactory;
import org.apache.neethi.builders.AssertionBuilder;
import org.apache.rampart.policy.model.KerberosConfig;
import org.apache.rampart.policy.model.RampartConfig;

/**
 * Builder for {@link KerberosConfig} assertion.
 */
public class KerberosConfigBuilder implements AssertionBuilder<OMElement> {

    /* (non-Javadoc)
     * @see org.apache.neethi.builders.AssertionBuilder#build(java.lang.Object, 
     * org.apache.neethi.AssertionBuilderFactory)
     */
    public Assertion build(OMElement element, AssertionBuilderFactory factory) 
        throws IllegalArgumentException {

        KerberosConfig kerberosConfig = new KerberosConfig();

        OMElement childElement;

        childElement = element.getFirstChildWithName(
              new QName(RampartConfig.NS, KerberosConfig.JAAS_CONTEXT_LN));
        if (childElement != null) {
            if (null == kerberosConfig.getJaasContext()) {
                kerberosConfig.setJaasContext(childElement.getText().trim());
            }
        }

        childElement = element.getFirstChildWithName(
              new QName(RampartConfig.NS, KerberosConfig.PRINCIPAL_NAME_LN));
        if (childElement != null) {
            if (null == kerberosConfig.getPrincipalName()) {
                kerberosConfig.setPrincipalName(childElement.getText().trim());
            }
        }

        childElement = element.getFirstChildWithName(
            new QName(RampartConfig.NS, KerberosConfig.PRINCIPAL_PASSWORD_LN));
        if (childElement != null) {
            if (null == kerberosConfig.getPrincipalPassword()) {
                kerberosConfig.setPrincipalPassword(childElement.getText().trim());
            }
        }

        childElement = element.getFirstChildWithName(new QName(RampartConfig.NS,
            KerberosConfig.SERVICE_PRINCIPAL_NAME_LN));
        if (childElement != null) {
            kerberosConfig.setServicePrincipalName(childElement.getText().trim());
        }

        childElement = element.getFirstChildWithName(new QName(RampartConfig.NS,
            KerberosConfig.SERVICE_PRINCIPAL_NAME_FORM_LN));
        if (childElement != null) {
            kerberosConfig.setServicePrincipalNameForm(
                 childElement.getText().trim());
        }
        
        childElement = element.getFirstChildWithName(new QName(RampartConfig.NS,
            KerberosConfig.KERBEROS_TOKEN_DECODER_CLASS_LN));
        if (childElement != null) {
            kerberosConfig.setKerberosTokenDecoderClass(
                 childElement.getText().trim());
        }
        
        childElement = element.getFirstChildWithName(new QName(
            RampartConfig.NS, KerberosConfig.REQUEST_CREDENTIAL_DELEGATION_LN));
        if (childElement != null) {
            kerberosConfig.setRequstCredentialDelegation(Boolean.valueOf(childElement.getText().trim()));
        }    

        return kerberosConfig;
    }

    /* (non-Javadoc)
     * @see org.apache.neethi.builders.AssertionBuilder#getKnownElements()
     */
    public QName[] getKnownElements() {
        return new QName[] {
            new QName(RampartConfig.NS, KerberosConfig.KERBEROS_LN) 
        };
    }
}