co.cask.common.http.HttpResponse.java Source code

Introduction

Here is the source code for co.cask.common.http.HttpResponse.java

Source

/*
 * Copyright  2014 Cask Data, 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 co.cask.common.http;

import com.google.common.base.Charsets;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.Multimap;

import java.nio.charset.Charset;
import java.util.List;
import java.util.Map;

/**
 * Return type for http requests executed by {@link HttpResponse}
 */
public class HttpResponse {
    private final int responseCode;
    private final String responseMessage;
    private final byte[] responseBody;
    private final Multimap<String, String> headers;

    HttpResponse(int responseCode, String responseMessage, byte[] responseBody, Map<String, List<String>> headers) {
        this(responseCode, responseMessage, responseBody, parseHeaders(headers));
    }

    HttpResponse(int responseCode, String responseMessage, byte[] responseBody, Multimap<String, String> headers) {
        this.responseCode = responseCode;
        this.responseMessage = responseMessage;
        this.responseBody = responseBody;
        this.headers = headers;
    }

    public int getResponseCode() {
        return responseCode;
    }

    public String getResponseMessage() {
        return responseMessage;
    }

    public byte[] getResponseBody() {
        return responseBody;
    }

    public String getResponseBodyAsString() {
        return new String(responseBody, Charsets.UTF_8);
    }

    public String getResponseBodyAsString(Charset charset) {
        return new String(responseBody, charset);
    }

    public Multimap<String, String> getHeaders() {
        return headers;
    }

    private static Multimap<String, String> parseHeaders(Map<String, List<String>> headers) {
        ImmutableListMultimap.Builder<String, String> builder = new ImmutableListMultimap.Builder<String, String>();
        for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
            // By default, headers created by URLConnection contain an entry from null -> HTTP Response message
            if (entry.getKey() != null) {
                builder.putAll(entry.getKey(), entry.getValue());
            }
        }
        return builder.build();
    }
}