org.opensaml.xml.encryption.InlineEncryptedKeyResolver Maven / Gradle / Ivy

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XMLTooling-J is a low-level library that may be used to construct libraries that allow developers to work with XML in a Java beans manner.

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/*
 * Copyright [2007] [University Corporation for Advanced Internet Development, Inc.]
 *
 * 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.opensaml.xml.encryption;

import java.util.ArrayList;
import java.util.List;

/**
 * Implementation of {@link EncryptedKeyResolver} which finds {@link EncryptedKey} elements
 * within the {@link org.opensaml.xml.signature.KeyInfo} of the {@link EncryptedData} context.
 */
public class InlineEncryptedKeyResolver extends AbstractEncryptedKeyResolver {

    /** {@inheritDoc} */
    public Iterable resolve(EncryptedData encryptedData) {
        List resolvedEncKeys = new ArrayList();
        
        if (encryptedData.getKeyInfo() == null) {
            return resolvedEncKeys;
        }
        
        for (EncryptedKey encKey : encryptedData.getKeyInfo().getEncryptedKeys()) {
            if (matchRecipient(encKey.getRecipient())) {
                resolvedEncKeys.add(encKey);
            }
        }
        
        return resolvedEncKeys;
    }

}