ca.uhn.fhir.rest.client.interceptor.UserInfoInterceptor.java Source code

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Here is the source code for ca.uhn.fhir.rest.client.interceptor.UserInfoInterceptor.java

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package ca.uhn.fhir.rest.client.interceptor;

/*
 * #%L
 * HAPI FHIR - Core Library
 * %%
 * Copyright (C) 2014 - 2015 University Health Network
 * %%
 * 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.
 * #L%
 */

import java.io.IOException;

import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpRequestBase;

import ca.uhn.fhir.rest.client.IClientInterceptor;

/**
 * HTTP interceptor to be used for adding HTTP headers containing user identifying info for auditing purposes to the request
 */
public class UserInfoInterceptor implements IClientInterceptor {

    public static final String HEADER_USER_ID = "fhir-user-id";
    public static final String HEADER_USER_NAME = "fhir-user-name";
    public static final String HEADER_APPLICATION_NAME = "fhir-app-name";

    private String myUserId;
    private String myUserName;
    private String myAppName;

    public UserInfoInterceptor(String theUserId, String theUserName, String theAppName) {
        super();
        myUserId = theUserId;
        myUserName = theUserName;
        myAppName = theAppName;
    }

    @Override
    public void interceptRequest(HttpRequestBase theRequest) {
        if (myUserId != null)
            theRequest.addHeader(HEADER_USER_ID, myUserId);
        if (myUserName != null)
            theRequest.addHeader(HEADER_USER_NAME, myUserName);
        if (myAppName != null)
            theRequest.addHeader(HEADER_APPLICATION_NAME, myAppName);
    }

    @Override
    public void interceptResponse(HttpResponse theResponse) throws IOException {
        // nothing
    }

}