com.huawei.discovery.entity.ErrorCloseableHttpResponse Maven / Gradle / Ivy

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/*
 * Copyright (C) 2022-2022 Huawei Technologies Co., Ltd. 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.
 */

package com.huawei.discovery.entity;

import org.apache.http.Header;
import org.apache.http.HeaderIterator;
import org.apache.http.HttpEntity;
import org.apache.http.HttpStatus;
import org.apache.http.HttpVersion;
import org.apache.http.ProtocolVersion;
import org.apache.http.StatusLine;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.message.BasicHeader;
import org.apache.http.message.BasicHeaderIterator;
import org.apache.http.message.BasicStatusLine;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpParams;

import java.io.IOException;
import java.util.Locale;

/**
 * httpclient响应
 *
 * @author zhouss
 * @since 2022-10-10
 */
public class ErrorCloseableHttpResponse implements CloseableHttpResponse {
    private final Throwable ex;

    private final ProtocolVersion protocolVersion;

    /**
     * 构造器
     *
     * @param ex 响应异常
     * @param protocolVersion 请求协议版本
     */
    public ErrorCloseableHttpResponse(Throwable ex, ProtocolVersion protocolVersion) {
        this.ex = ex;
        this.protocolVersion = protocolVersion;
    }

    @Override
    public void close() throws IOException {

    }

    @Override
    public StatusLine getStatusLine() {
        return new BasicStatusLine(HttpVersion.HTTP_1_1, HttpStatus.SC_INTERNAL_SERVER_ERROR, ex.getMessage());
    }

    @Override
    public void setStatusLine(StatusLine statusline) {

    }

    @Override
    public void setStatusLine(ProtocolVersion ver, int code) {

    }

    @Override
    public void setStatusLine(ProtocolVersion ver, int code, String reason) {

    }

    @Override
    public void setStatusCode(int code) throws IllegalStateException {

    }

    @Override
    public void setReasonPhrase(String reason) throws IllegalStateException {

    }

    @Override
    public HttpEntity getEntity() {
        return new StringEntity(ex.getMessage() == null ? "unKnow error" : ex.getMessage(),
                ContentType.APPLICATION_JSON);
    }

    @Override
    public void setEntity(HttpEntity entity) {
    }

    @Override
    public Locale getLocale() {
        return Locale.ENGLISH;
    }

    @Override
    public void setLocale(Locale loc) {
    }

    @Override
    public ProtocolVersion getProtocolVersion() {
        return protocolVersion;
    }

    @Override
    public boolean containsHeader(String name) {
        return false;
    }

    @Override
    public Header[] getHeaders(String name) {
        return new Header[0];
    }

    @Override
    public Header getFirstHeader(String name) {
        return new BasicHeader("type", "SermantErrorResponse");
    }

    @Override
    public Header getLastHeader(String name) {
        return getFirstHeader(name);
    }

    @Override
    public Header[] getAllHeaders() {
        return new Header[0];
    }

    @Override
    public void addHeader(Header header) {

    }

    @Override
    public void addHeader(String name, String value) {

    }

    @Override
    public void setHeader(Header header) {

    }

    @Override
    public void setHeader(String name, String value) {

    }

    @Override
    public void setHeaders(Header[] headers) {

    }

    @Override
    public void removeHeader(Header header) {

    }

    @Override
    public void removeHeaders(String name) {

    }

    @Override
    public HeaderIterator headerIterator() {
        return this.headerIterator("errorHeaders");
    }

    @Override
    public HeaderIterator headerIterator(String name) {
        return new BasicHeaderIterator(new Header[0], name);
    }

    @Override
    public HttpParams getParams() {
        return new BasicHttpParams();
    }

    @Override
    public void setParams(HttpParams params) {
    }
}