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A web service test double for all occasions
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/*
 * Copyright (C) 2011 Thomas Akehurst
 *
 * 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.github.tomakehurst.wiremock.http;

import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonProperty;
import com.github.tomakehurst.wiremock.common.Encoding;
import com.github.tomakehurst.wiremock.common.Strings;
import com.google.common.net.MediaType;

import java.nio.charset.Charset;

import static com.google.common.net.MediaType.OCTET_STREAM;

public class LoggedResponse {

    private final int status;
    private final HttpHeaders headers;
    private final byte[] body;
    private final Fault fault;

    public LoggedResponse(@JsonProperty("status") int status,
                          @JsonProperty("headers") HttpHeaders headers,
                          @JsonProperty("bodyAsBase64") String bodyAsBase64,
                          @JsonProperty("fault") Fault fault,
                          @JsonProperty("body") String ignoredBodyOnlyUsedForBinding) {
        this.status = status;
        this.headers = headers;
        this.body = Encoding.decodeBase64(bodyAsBase64);
        this.fault = fault;
    }

    public static LoggedResponse from(Response response) {
        return new LoggedResponse(
            response.getStatus(),
            response.getHeaders() == null || response.getHeaders().all().isEmpty() ? null : response.getHeaders(),
            Encoding.encodeBase64(response.getBody()),
            response.getFault(),
            null
        );
    }

    public int getStatus() {
        return status;
    }

    public HttpHeaders getHeaders() {
        return headers;
    }

    /**
     * Retrieve body as a String encoded in the charset in the "Content-Type" header, or, if that's not present, the
     * default character set (UTF-8)
     *
     * @return Encoded string
     */
    @JsonProperty("body")
    public String getBodyAsString() {
        if (body == null) {
            return "";
        }

        return Strings.stringFromBytes(body, getCharset());
    }

    @JsonIgnore
    public String getMimeType() {
        return headers == null || headers.getContentTypeHeader() == null ?
            OCTET_STREAM.toString() :
            headers.getContentTypeHeader().mimeTypePart();
    }

    @JsonIgnore
    public Charset getCharset() {
        return headers == null ? Strings.DEFAULT_CHARSET : headers.getContentTypeHeader().charset();
    }

    @JsonIgnore
    public byte[] getBody() {
        return body;
    }

    @JsonProperty("bodyAsBase64")
    public String getBodyAsBase64() {
        return Encoding.encodeBase64(body);
    }

    public Fault getFault() {
        return fault;
    }
}