2019-09-23 12:51:47 +08:00
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/**
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* Copyright (c) 2018-2028, DreamLu 卢春梦 (qq596392912@gmail.com).
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* <p>
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* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE 3.0;
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* <p>
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* http://www.gnu.org/licenses/lgpl.html
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* <p>
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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2021-01-06 15:56:41 +08:00
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package org.springblade.core.cloud.header;
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2019-09-23 12:51:47 +08:00
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2021-01-06 15:56:41 +08:00
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import org.springblade.core.cloud.props.BladeFeignHeadersProperties;
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2019-09-23 12:51:47 +08:00
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import org.springframework.http.HttpHeaders;
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import org.springframework.lang.Nullable;
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import java.util.concurrent.Callable;
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/**
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* HttpHeaders hystrix Callable
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*
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* @param <V> 泛型标记
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* @author L.cm
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*/
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public class BladeHttpHeadersCallable<V> implements Callable<V> {
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private final Callable<V> delegate;
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@Nullable
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private HttpHeaders httpHeaders;
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public BladeHttpHeadersCallable(Callable<V> delegate,
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2021-01-06 15:56:41 +08:00
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@Nullable BladeFeignAccountGetter accountGetter,
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BladeFeignHeadersProperties properties) {
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2019-09-23 12:51:47 +08:00
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this.delegate = delegate;
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this.httpHeaders = BladeHttpHeadersContextHolder.toHeaders(accountGetter, properties);
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}
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@Override
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public V call() throws Exception {
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if (httpHeaders == null) {
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return delegate.call();
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}
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try {
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BladeHttpHeadersContextHolder.set(httpHeaders);
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return delegate.call();
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} finally {
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BladeHttpHeadersContextHolder.remove();
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httpHeaders.clear();
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httpHeaders = null;
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}
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}
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}
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