com.kercer.kernet.http.request.KCJsonArrayRequest.java Source code

Introduction

Here is the source code for com.kercer.kernet.http.request.KCJsonArrayRequest.java

Source

/*
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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.kercer.kernet.http.request;

import com.kercer.kernet.http.listener.KCHttpBaseListener;
import com.kercer.kernet.http.KCHttpHeaderParser;
import com.kercer.kernet.http.listener.KCHttpListener;
import com.kercer.kernet.http.KCHttpResponse;
import com.kercer.kernet.http.KCHttpResponseParser;
import com.kercer.kernet.http.KCHttpResult;
import com.kercer.kernet.http.KCHttpResult.KCHttpResultListener;
import com.kercer.kernet.http.error.KCNetError;
import com.kercer.kernet.http.error.KCParseError;

import org.json.JSONArray;
import org.json.JSONException;

import java.io.UnsupportedEncodingException;

/**
 * A request for retrieving a {@link JSONArray} response body at a given URL.
 */
public class KCJsonArrayRequest extends KCJsonRequest<JSONArray> {

    /**
     * Creates a new request.
     *
     * @param url
     *            URL to fetch the JSON from
     * @param listener
     *            Listener to receive the JSON response
     * @param aListener
     *            Listener.
     */
    public KCJsonArrayRequest(String url, KCHttpResultListener<JSONArray> listener, KCHttpBaseListener aListener) {
        super(Method.GET, url, null, listener, aListener);

        parserResponse();
    }

    /**
     * Creates a new request.
     *
     * @param method
     *            the HTTP method to use
     * @param url
     *            URL to fetch the JSON from
     * @param jsonRequest
     *            A {@link JSONArray} to post with the request. Null is allowed and indicates no parameters will be posted along with request.
     * @param listener
     *            Listener to receive the JSON response
     * @param errorListener
     *            Error listener, or null to ignore errors.
     */
    public KCJsonArrayRequest(int method, String url, JSONArray jsonRequest,
            KCHttpResultListener<JSONArray> listener, KCHttpListener errorListener) {
        super(method, url, (jsonRequest == null) ? null : jsonRequest.toString(), listener, errorListener);

        parserResponse();
    }

    private void parserResponse() {
        this.setResponseParser(new KCHttpResponseParser() {

            @Override
            public KCHttpResult<JSONArray> parseHttpResponse(KCHttpResponse response) {
                try {
                    String jsonString = new String(response.getContent(),
                            KCHttpHeaderParser.parseCharset(response.getHeaderGroup(), PROTOCOL_CHARSET));
                    return KCHttpResult.success(new JSONArray(jsonString),
                            KCHttpHeaderParser.parseCacheHeaders(response));
                } catch (UnsupportedEncodingException e) {
                    return KCHttpResult.error(new KCParseError(e));
                } catch (JSONException je) {
                    return KCHttpResult.error(new KCParseError(je));
                }
            }

            @Override
            public KCNetError parseHttpError(KCNetError aError) {
                return aError;
            }
        });
    }
}