org.cateproject.test.functional.mockmvc.MockWebResponseBuilder.java Source code

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Here is the source code for org.cateproject.test.functional.mockmvc.MockWebResponseBuilder.java

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/*
 * Copyright 2012 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 org.cateproject.test.functional.mockmvc;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;

import org.springframework.http.HttpStatus;
import org.springframework.mock.web.MockHttpServletResponse;
import org.springframework.util.Assert;

import com.gargoylesoftware.htmlunit.WebRequest;
import com.gargoylesoftware.htmlunit.WebResponse;
import com.gargoylesoftware.htmlunit.WebResponseData;
import com.gargoylesoftware.htmlunit.util.NameValuePair;

/**
 * @author Rob Winch
 *
 */
final class MockWebResponseBuilder {
    private final long startTime;

    private final WebRequest webRequest;

    private final MockHttpServletResponse response;

    public MockWebResponseBuilder(long startTime, WebRequest webRequest,
            MockHttpServletResponse httpServletResponse) {
        Assert.notNull(webRequest, "webRequest");
        Assert.notNull(httpServletResponse, "httpServletResponse cannot be null");
        this.startTime = startTime;
        this.webRequest = webRequest;
        this.response = httpServletResponse;
    }

    public WebResponse build() throws IOException {
        WebResponseData webResponseData = webResponseData();
        long endTime = System.currentTimeMillis();
        return new WebResponse(webResponseData, webRequest, endTime - startTime);
    }

    private WebResponseData webResponseData() throws IOException {
        List<NameValuePair> responseHeaders = responseHeaders();
        int statusCode = response.getRedirectedUrl() == null ? response.getStatus() : 301;
        String statusMessage = statusMessage(statusCode);
        return new WebResponseData(response.getContentAsByteArray(), statusCode, statusMessage, responseHeaders);
    }

    private String statusMessage(int statusCode) {
        String errorMessage = response.getErrorMessage();
        if (errorMessage != null) {
            return errorMessage;
        }
        try {
            return HttpStatus.valueOf(statusCode).getReasonPhrase();
        } catch (IllegalArgumentException useDefault) {
        }
        ;
        return "N/A";
    }

    private List<NameValuePair> responseHeaders() {
        Collection<String> headerNames = response.getHeaderNames();
        List<NameValuePair> responseHeaders = new ArrayList<NameValuePair>(headerNames.size());
        for (String headerName : headerNames) {
            List<Object> headerValues = response.getHeaderValues(headerName);
            for (Object value : headerValues) {
                responseHeaders.add(new NameValuePair(headerName, String.valueOf(value)));
            }
        }
        String location = response.getRedirectedUrl();
        if (location != null) {
            responseHeaders.add(new NameValuePair("Location", location));
        }
        return responseHeaders;
    }
}