/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.cxf.rs.security.jose.common;

import org.apache.cxf.rs.security.jose.jwe.JweEncryptionProvider;
import org.apache.cxf.rs.security.jose.jwe.JweHeaders;
import org.apache.cxf.rs.security.jose.jwe.JweUtils;
import org.apache.cxf.rs.security.jose.jws.JwsHeaders;
import org.apache.cxf.rs.security.jose.jws.JwsSignatureProvider;
import org.apache.cxf.rs.security.jose.jws.JwsUtils;

public abstract class AbstractJoseProducer {
    private boolean jwsRequired = true;
    private boolean jweRequired;
    private JwsSignatureProvider sigProvider;
    private JweEncryptionProvider encryptionProvider;
    
    protected JwsSignatureProvider getInitializedSignatureProvider(JwsHeaders jwsHeaders) {
        if (sigProvider != null) {
            return sigProvider;    
        } 
        
        return JwsUtils.loadSignatureProvider(jwsHeaders, false);
    }
    protected JweEncryptionProvider getInitializedEncryptionProvider(JweHeaders jweHeaders) {
        if (encryptionProvider != null) {
            return encryptionProvider;    
        }
        return JweUtils.loadEncryptionProvider(jweHeaders, false);
    }

    public void setEncryptionProvider(JweEncryptionProvider encryptionProvider) {
        this.encryptionProvider = encryptionProvider;
    }

    public void setSignatureProvider(JwsSignatureProvider signatureProvider) {
        this.sigProvider = signatureProvider;
    }
    
    public boolean isJwsRequired() {
        return jwsRequired;
    }

    public void setJwsRequired(boolean jwsRequired) {
        this.jwsRequired = jwsRequired;
    }

    public boolean isJweRequired() {
        return jweRequired;
    }

    public void setJweRequired(boolean jweRequired) {
        this.jweRequired = jweRequired;
    }

    protected void checkProcessRequirements() {
        if (!isJwsRequired() && !isJweRequired()) {
            throw new JoseException("Unable to process the data");
        }
    }
}