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/**
 * 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.wss4j.stax.impl.resourceResolvers;

import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.stax.ext.ResourceResolver;
import org.apache.xml.security.stax.ext.ResourceResolverLookup;
import org.apache.xml.security.stax.ext.stax.XMLSecStartElement;

import java.io.InputStream;

/**
 * Fake Resolver for SwA (SOAP with Attachment)
 */
public class ResolverAttachment implements ResourceResolver, ResourceResolverLookup {

    @Override
    public ResourceResolverLookup canResolve(String uri, String baseURI) {
        if (uri == null) {
            return null;
        }
        if (uri.startsWith("cid:")) {
            return this;
        }
        return null;
    }

    @Override
    public ResourceResolver newInstance(String uri, String baseURI) {
        return new ResolverAttachment();
    }

    @Override
    public boolean isSameDocumentReference() {
        return false;
    }

    @Override
    public boolean matches(XMLSecStartElement xmlSecStartElement) {
        return false;
    }

    @Override
    public InputStream getInputStreamFromExternalReference() throws XMLSecurityException {
        return null;
    }
}