SimpleHttpResponse.java

/*
 * Copyright (C) 2015 BigTesting.org
 *
 * 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.bigtesting.fixd.response.impl;

import java.io.InputStream;

import org.bigtesting.fixd.core.body.ByteArrayResponseBody;
import org.bigtesting.fixd.core.body.InputStreamResponseBody;
import org.bigtesting.fixd.core.body.InterpolatedResponseBody;
import org.bigtesting.fixd.core.body.MarshalledResponseBody;
import org.bigtesting.fixd.core.body.ResponseBody;
import org.bigtesting.fixd.core.body.StringResponseBody;
import org.bigtesting.fixd.marshalling.Marshaller;
import org.bigtesting.fixd.marshalling.MarshallerProvider;
import org.bigtesting.fixd.request.HttpRequest;
import org.bigtesting.fixd.response.HttpResponse;
import org.simpleframework.http.Cookie;
import org.simpleframework.http.Response;
import org.simpleframework.http.Status;

/**
 * 
 * @author Luis Antunes
 */
public class SimpleHttpResponse implements HttpResponse {

    private final HttpRequest request;
    
    private final Response response;
    
    private ResponseBody body;
    private Object entity;
    private String contentType;
    private int statusCode;
    
    public SimpleHttpResponse(HttpRequest req, Response response) {
        this.request = req;
        this.response = response;
    }
    
    public void setBody(InputStream in) {
        this.body = new InputStreamResponseBody(in);
    }

    public void setBody(byte[] content) {
        this.body = new ByteArrayResponseBody(content);
    }

    public void setBody(String content) {
        this.body = new StringResponseBody(content);
    }
    
    public void setBody(Object entity) {
        this.entity = entity;
    }

    public void setInterpolatedBody(String content) {
        this.body = new InterpolatedResponseBody(content, request);
    }
    
    public ResponseBody getBody(MarshallerProvider marshallerProvider) {
        
        if (entity != null) {
            if (contentType == null || contentType.trim().length() == 0) {
                throw new RuntimeException("an entity has been specified " +
                		"in the response body, but no content type has " +
                		"been specified");
            }
            Marshaller marshaller = marshallerProvider.getMarshaller(contentType);
            if (marshaller == null) {
                throw new RuntimeException("an entity has been specified " +
                        "in the response body, but no marshaller exists for " +
                        "content type: " + contentType);
            }
            this.body = new MarshalledResponseBody(entity, marshaller);
        }
        return body;
    }
    
    public void setContentType(String contentType) {
        this.contentType = contentType;
    }

    public String getContentType() {
        return contentType;
    }
    
    public void setStatusCode(int statusCode) {
        this.statusCode = statusCode;
    }

    public int getStatusCode() {
        return statusCode;
    }

    public void setCookie(String name, String value) {

        Cookie cookie = new Cookie(name, value);
        response.setCookie(cookie);
    }

    public void addHeader(String name, String value) {

        response.addValue(name, value);
    }
    
    public void redirect(String location) {

        redirect(location, Status.FOUND.code);
    }
    
    public void redirect(String location, int statusCode) {
        
        addHeader("Location", location);
        addHeader("Connection", "close");
        setStatusCode(statusCode);
        setContentType("text/plain");
        setBody("");
    }
}