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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.aai.aaf.filters;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import javax.servlet.ServletInputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import org.apache.commons.io.IOUtils;
import org.onap.aaf.cadi.BufferedServletInputStream;
/**
* This class buffers the payload of the servlet request. The reason is that we access the payload multiple times,
* which is not supported by the request per se.
*/
class PayloadBufferingRequestWrapper extends HttpServletRequestWrapper {
private byte[] buffer;
PayloadBufferingRequestWrapper(HttpServletRequest req) throws IOException {
super(req);
this.buffer = IOUtils.toByteArray(req.getInputStream());
}
@Override
public ServletInputStream getInputStream() {
ByteArrayInputStream bais = new ByteArrayInputStream(this.buffer);
return new BufferedServletInputStream(bais);
}
}
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