at.tugraz.ist.akm.webservice.requestprocessor.HttpResponseDataAppender.java Source code

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/*
 * Copyright 2012 software2012team23
 *
 * 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 at.tugraz.ist.akm.webservice.requestprocessor;

import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;

import my.org.apache.http.HttpResponse;
import my.org.apache.http.entity.ContentProducer;
import my.org.apache.http.entity.EntityTemplate;

import org.json.JSONObject;

import at.tugraz.ist.akm.webservice.WebServerConstants;

public class HttpResponseDataAppender {

    private final static String mDefaultEncoding = "UTF8";

    public void appendHttpResponseData(HttpResponse httpResponse, final JSONObject data) {
        appendHttpResponseData(httpResponse, WebServerConstants.HTTP.CONTENT_TYPE_JSON, data.toString());
    }

    public void appendHttpResponseData(HttpResponse httpResponse, final String contentType, final String data) {

        httpResponse.setEntity(new EntityTemplate(new ContentProducer() {
            @Override
            public void writeTo(OutputStream outstream) throws IOException {
                OutputStreamWriter writer = new OutputStreamWriter(outstream, mDefaultEncoding);
                writer.write(data);
                writer.flush();
                writer.close();
            }
        }));
        httpResponse.setHeader(WebServerConstants.HTTP.KEY_CONTENT_TYPE, contentType);
    }

    public void appendHttpResponseMediaType(HttpResponse httpResponse, final String mediaType, final byte[] data) {

        httpResponse.setEntity(new EntityTemplate(new ContentProducer() {
            @Override
            public void writeTo(OutputStream outstream) throws IOException {
                outstream.write(data);
            }
        }));

        httpResponse.addHeader(WebServerConstants.HTTP.KEY_CONTENT_TYPE, mediaType);
    }

}