com.wavemaker.runtime.rest.service.WmBufferingClientHttpResponseWrapper Maven / Gradle / Ivy

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/**
 * Copyright (C) 2020 WaveMaker, Inc.
 * 
 * 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.wavemaker.runtime.rest.service;

import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;

import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.client.ClientHttpResponse;
import org.springframework.util.StreamUtils;

/**
 * @author Sujith Simon
 * Created on : 13/2/19
 */
public class WmBufferingClientHttpResponseWrapper implements ClientHttpResponse {

    private final ClientHttpResponse response;

    private byte[] body;


    WmBufferingClientHttpResponseWrapper(ClientHttpResponse response) {
        this.response = response;
    }


    @Override
    public HttpStatus getStatusCode() throws IOException {
        return this.response.getStatusCode();
    }

    @Override
    public int getRawStatusCode() throws IOException {
        return this.response.getRawStatusCode();
    }

    @Override
    public String getStatusText() throws IOException {
        return this.response.getStatusText();
    }

    @Override
    public HttpHeaders getHeaders() {
        return this.response.getHeaders();
    }

    @Override
    public InputStream getBody() throws IOException {
        if (this.body == null) {
            this.body = StreamUtils.copyToByteArray(this.response.getBody());
        }
        return new ByteArrayInputStream(this.body);
    }

    @Override
    public void close() {
        this.response.close();
    }
}