com.huoqiu.framework.rest.HttpComponentsClientHttpResponse.java Source code

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Here is the source code for com.huoqiu.framework.rest.HttpComponentsClientHttpResponse.java

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/*
 * Copyright 2002-2014 the original author or authors.
 *
 * 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.huoqiu.framework.rest;

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

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.springframework.http.HttpHeaders;
import org.springframework.http.client.AbstractClientHttpResponse;

/**
 * {@link org.springframework.http.client.ClientHttpResponse} implementation that uses Apache HttpClient 4.0 to execute
 * requests.
 * 
 * <p>
 * Created via the {@link HttpComponentsClientHttpRequest}.
 * 
 * @author Oleg Kalnichevski
 * @author Roy Clarkson
 * @since 1.0
 * @see HttpComponentsClientHttpRequest#execute()
 */
final class HttpComponentsClientHttpResponse extends AbstractClientHttpResponse {

    private final HttpResponse httpResponse;

    private HttpHeaders headers;

    HttpComponentsClientHttpResponse(HttpResponse httpResponse) {
        this.httpResponse = httpResponse;
    }

    public int getRawStatusCode() throws IOException {
        return this.httpResponse.getStatusLine().getStatusCode();
    }

    public String getStatusText() throws IOException {
        return this.httpResponse.getStatusLine().getReasonPhrase();
    }

    public HttpHeaders getHeaders() {
        if (this.headers == null) {
            this.headers = new HttpHeaders();
            for (Header header : this.httpResponse.getAllHeaders()) {
                headers.add(header.getName(), header.getValue());
            }
        }
        return headers;
    }

    @Override
    protected InputStream getBodyInternal() throws IOException {
        HttpEntity entity = this.httpResponse.getEntity();
        return entity != null ? entity.getContent() : null;
    }

    @Override
    protected void closeInternal() {
        HttpEntity entity = this.httpResponse.getEntity();
        if (entity != null) {
            try {
                // This will cause the underlying connection
                // to be released back to the connection manager
                entity.consumeContent();
            } catch (IOException ignore) {
                // Connection will be released automatically
            }
        }
    }

}