com.jzboy.couchdb.http.CouchResponseHandler.java Source code

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Here is the source code for com.jzboy.couchdb.http.CouchResponseHandler.java

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/*
 * Copyright (c) 2011. Elad Kehat.
 * This software is provided under the MIT License:
 * http://www.opensource.org/licenses/mit-license.php
 */

package com.jzboy.couchdb.http;

import java.io.IOException;

import org.apache.http.annotation.Immutable;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.HttpResponseException;
import org.apache.http.util.EntityUtils;

/**
 * A {@link org.apache.http.client.ResponseHandler ResponseHandler} that returns a CouchResponse based on
 * CouchDB API HTTP response.
 */
@Immutable
public class CouchResponseHandler implements ResponseHandler<CouchResponse> {

    /**
     * Returns the response body as a String if the response was successful (a
     * 2xx status code). If no response body exists, this returns null. If the
     * response was unsuccessful (>= 300 status code), throws an
     * {@link HttpResponseException}.
     */
    @Override
    public CouchResponse handleResponse(final HttpResponse response) throws HttpResponseException, IOException {
        StatusLine statusLine = response.getStatusLine();
        String body = null;
        HttpEntity entity = response.getEntity();
        if (entity != null)
            body = EntityUtils.toString(entity, "utf-8");

        return new CouchResponse(statusLine.getStatusCode(), statusLine.getReasonPhrase(), body);
    }

}