/*                                                                             
 * Copyright 2004,2005 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.rahas.impl;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.rahas.TrustException;

import javax.xml.namespace.QName;
import java.io.FileInputStream;

/**
 * 
 */
public class TokenCancelerConfig {

    /*
    <parameter name="token-canceler-config">
        <token-canceler-config>
            <proofToken>EncryptedKey</proofToken>
            <cryptoProperties>sctIssuer.properties</cryptoProperties>
            <addRequestedAttachedRef />
        </stoken-canceler-config>
    </parameter>
    */
    public final static QName TOKEN_CANCELER_CONFIG = new QName("token-canceler-config");

    private TokenCancelerConfig(OMElement elem) throws TrustException {
        /*OMElement proofTokenElem =
                elem.getFirstChildWithName(new QName("proofToken"));
        if (proofTokenElem != null) {
            this.proofTokenType = proofTokenElem.getText().trim();
        }

        OMElement cryptoPropertiesElem = elem
                .getFirstChildWithName(new QName("cryptoProperties"));

        if (!SCTIssuer.BINARY_SECRET.equals(proofTokenType)
            && cryptoPropertiesElem == null) {
            throw new TrustException("sctIssuerCryptoPropertiesMissing");
        }

        this.addRequestedAttachedRef = elem
                .getFirstChildWithName(ADD_REQUESTED_ATTACHED_REF) != null;
        this.addRequestedUnattachedRef = elem
                .getFirstChildWithName(ADD_REQUESTED_UNATTACHED_REF) != null;

        this.cryptoPropertiesFile = cryptoPropertiesElem.getText().trim();*/
    }

    public static TokenCancelerConfig load(OMElement elem) throws TrustException {
        return new TokenCancelerConfig(elem);
    }

    public static TokenCancelerConfig load(String configFilePath)
            throws TrustException {
        FileInputStream fis;
        StAXOMBuilder builder;
        try {
            fis = new FileInputStream(configFilePath);
            builder = new StAXOMBuilder(fis);
        } catch (Exception e) {
            throw new TrustException("errorLoadingConfigFile", new String[] { configFilePath });
        }
        return load(builder.getDocumentElement());
    }
}