com.cognifide.aet.worker.drivers.HttpRequestBuilderImpl.java Source code

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Here is the source code for com.cognifide.aet.worker.drivers.HttpRequestBuilderImpl.java

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/**
 * Automated Exploratory Tests
 *
 * Copyright (C) 2013 Cognifide Limited
 *
 * 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.cognifide.aet.worker.drivers;

import com.google.common.base.Function;
import com.google.common.collect.Collections2;

import com.cognifide.aet.job.api.collector.HttpRequestBuilder;
import com.cognifide.aet.job.api.collector.ResponseObject;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.StringUtils;
import org.apache.http.Header;
import org.apache.http.HttpResponse;
import org.apache.http.client.fluent.Request;

import java.io.IOException;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

public class HttpRequestBuilderImpl implements HttpRequestBuilder {

    private final Map<String, String> headers = new LinkedHashMap<String, String>();

    private final Map<String, String> cookies = new HashMap<String, String>();

    private static final String COOKIE = "Cookie";

    private byte[] content;

    private Request request;

    @Override
    public HttpRequestBuilderImpl createRequest(String url, String methodName) {
        request = createRawRequest(url, methodName);
        // add headers
        if (!headers.isEmpty()) {
            for (Entry<String, String> entry : headers.entrySet()) {
                request.addHeader(entry.getKey(), entry.getValue());
            }
            headers.clear();
        }
        // add header cookie
        if (!cookies.isEmpty()) {
            Collection<String> cookieList = Collections2.transform(cookies.entrySet(),
                    new Function<Entry<String, String>, String>() {
                        @Override
                        public String apply(Entry<String, String> input) {
                            return String.format("%s=%s", input.getKey(), input.getValue());
                        }
                    });
            request.addHeader(COOKIE, StringUtils.join(cookieList, "; "));
            cookies.clear();
        }
        // add body content
        if (content != null) {
            request.bodyByteArray(content);
            content = null;
        }
        return this;
    }

    @Override
    public ResponseObject executeRequest() throws IOException {
        HttpResponse response = request.execute().returnResponse();
        Header[] headersArray = response.getAllHeaders();
        Map<String, List<String>> tmpHeaders = new HashMap<String, List<String>>();
        for (Header header : headersArray) {
            tmpHeaders.put(header.getName(), Arrays.asList(header.getValue()));
        }
        return new ResponseObject(tmpHeaders, IOUtils.toByteArray(response.getEntity().getContent()));
    }

    @Override
    public HttpRequestBuilderImpl addHeader(String key, String value) {
        headers.put(key, value);
        return this;
    }

    @Override
    public HttpRequestBuilderImpl addCookie(String key, String value) {
        cookies.put(key, value);
        return this;
    }

    @Override
    public HttpRequestBuilderImpl removeCookie(String key) {
        cookies.remove(key);
        return this;
    }

    @Override
    public HttpRequestBuilderImpl setContent(byte[] content) {
        this.content = Arrays.copyOf(content, content.length);
        return this;
    }

    private Request createRawRequest(String url, String methodName) {
        Request rawRequest;
        switch (HttpMethod.valueOf(methodName)) {
        case POST:
            rawRequest = Request.Post(url);
            break;
        case GET:
        default:
            rawRequest = Request.Get(url);
            break;
        }
        return rawRequest;
    }

    private enum HttpMethod {
        GET, POST
    }

}