org.trustedanalytics.cloud.auth.HeaderAddingHttpInterceptor Maven / Gradle / Ivy

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/**
 * Copyright (c) 2015 Intel Corporation
 *
 * 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.trustedanalytics.cloud.auth;

import org.springframework.http.HttpRequest;
import org.springframework.http.client.ClientHttpRequestExecution;
import org.springframework.http.client.ClientHttpRequestInterceptor;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.http.client.support.HttpRequestWrapper;

import java.io.IOException;

public class HeaderAddingHttpInterceptor implements ClientHttpRequestInterceptor {
    private final String headerKey;
    private final String headerValue;

    public HeaderAddingHttpInterceptor(String headerKey, String headerValue) {
        this.headerKey = headerKey;
        this.headerValue = headerValue;
    }

    @Override public ClientHttpResponse intercept(HttpRequest httpRequest, byte[] bytes,
        ClientHttpRequestExecution clientHttpRequestExecution) throws IOException {

        HttpRequestWrapper requestWrapper = new HttpRequestWrapper(httpRequest);
        requestWrapper.getHeaders().set(headerKey, headerValue);

        return clientHttpRequestExecution.execute(requestWrapper, bytes);
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }

        HeaderAddingHttpInterceptor that = (HeaderAddingHttpInterceptor) o;

        if (headerKey != null ? !headerKey.equals(that.headerKey) : that.headerKey != null) {
            return false;
        }
        if (headerValue != null ?
            !headerValue.equals(that.headerValue) :
            that.headerValue != null) {
            return false;
        }

        return true;
    }

    @Override
    public int hashCode() {
        int result = headerKey != null ? headerKey.hashCode() : 0;
        result = 31 * result + (headerValue != null ? headerValue.hashCode() : 0);
        return result;
    }
}