/*
 * Copyright  2003-2004 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.ws.security.action;

import org.apache.ws.security.WSSecurityException;
import org.apache.ws.security.handler.RequestData;
import org.apache.ws.security.handler.WSHandler;
import org.apache.ws.security.handler.WSHandlerConstants;
import org.apache.ws.security.message.WSSecSignature;
import org.w3c.dom.Document;

public class SignatureAction implements Action {
    public void execute(WSHandler handler, int actionToDo, Document doc, RequestData reqData)
            throws WSSecurityException {
        String password;
        password =
                handler.getPassword(reqData.getUsername(),
                        actionToDo,
                        WSHandlerConstants.PW_CALLBACK_CLASS,
                        WSHandlerConstants.PW_CALLBACK_REF, reqData)
                        .getPassword();

        WSSecSignature wsSign = new WSSecSignature();
        wsSign.setWsConfig(reqData.getWssConfig());

        if (reqData.getSigKeyId() != 0) {
            wsSign.setKeyIdentifierType(reqData.getSigKeyId());
        }
        if (reqData.getSigAlgorithm() != null) {
            wsSign.setSignatureAlgorithm(reqData.getSigAlgorithm());
        }

        wsSign.setUserInfo(reqData.getUsername(), password);
        if (reqData.getSignatureParts().size() > 0) {
            wsSign.setParts(reqData.getSignatureParts());
        }

        try {
            wsSign.build(doc, reqData.getSigCrypto(), reqData.getSecHeader());
            reqData.getSignatureValues().add(wsSign.getSignatureValue());
        } catch (WSSecurityException e) {
            throw new WSSecurityException("Error during Signature: ", e);
        }
    }

}