com.kixeye.relax.HttpResponse.java Source code

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Here is the source code for com.kixeye.relax.HttpResponse.java

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package com.kixeye.relax;

/*
 * #%L
 * Relax
 * %%
 * Copyright (C) 2014 KIXEYE, 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.
 * #L%
 */

import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

import org.apache.http.Header;
import org.apache.http.HttpEntity;
import org.apache.http.util.EntityUtils;

/**
 * HTTP response.
 * 
 * @author ebahtijaragic
 *
 * @param <T>
 */
public class HttpResponse<T> {
    private final int statusCode;
    private final Map<String, List<String>> headers = new HashMap<>();
    private final SerializedObject<T> body;

    /**
     * @param statusCode
     * @param headers
     * @param body
     */
    protected HttpResponse(int statusCode, Map<String, List<String>> headers, SerializedObject<T> body) {
        this.statusCode = statusCode;
        this.body = body;

        if (headers != null) {
            for (Entry<String, List<String>> headerEntry : headers.entrySet()) {
                this.headers.put(headerEntry.getKey(), new ArrayList<>(headerEntry.getValue()));
            }
        }
    }

    /**
     * @param result
     * @param serDe
     * @param objectType
     * @throws IOException
     */
    protected HttpResponse(org.apache.http.HttpResponse result, RestClientSerDe serDe, Class<T> objectType)
            throws IOException {
        this.statusCode = result.getStatusLine().getStatusCode();

        Header[] headers = result.getAllHeaders();
        if (headers != null) {
            for (Header header : headers) {
                List<String> headerValues = this.headers.get(header.getName());
                if (headerValues == null) {
                    headerValues = new ArrayList<>();
                    this.headers.put(header.getName(), headerValues);
                }
                headerValues.add(header.getValue());
            }
        }

        HttpEntity entity = result.getEntity();
        byte[] data = null;

        if (entity != null) {
            data = EntityUtils.toByteArray(entity);
            EntityUtils.consumeQuietly(entity);
        }

        Header contentTypeHeader = result.getFirstHeader("Content-Type");

        if (!Void.class.equals(objectType)) {
            this.body = new SerializedObject<>(serDe,
                    contentTypeHeader != null ? contentTypeHeader.getValue() : null, data, objectType);
        } else {
            this.body = null;
        }
    }

    /**
     * @return the statusCode
     */
    public int getStatusCode() {
        return statusCode;
    }

    /**
     * @return the headers
     */
    public Map<String, List<String>> getHeaders() {
        return headers;
    }

    /**
     * @return the body
     */
    public SerializedObject<T> getBody() {
        return body;
    }
}