com.kubeiwu.easyandroid.easyhttp.core.retrofit.GsonConverter.java Source code

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Here is the source code for com.kubeiwu.easyandroid.easyhttp.core.retrofit.GsonConverter.java

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/*
 * Copyright (C) 2012 Square, Inc.
 *
 * 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.kubeiwu.easyandroid.easyhttp.core.retrofit;

import java.io.ByteArrayInputStream;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;

import com.google.gson.TypeAdapter;
import com.kubeiwu.easyandroid.cache.volleycache.Cache;
import com.kubeiwu.easyandroid.easyhttp.pojo.EAResult;
import com.squareup.okhttp.MediaType;
import com.squareup.okhttp.Request;
import com.squareup.okhttp.ResponseBody;
import com.squareup.okhttp.internal.Util;

public final class GsonConverter<T> implements Converter<T> {
    public static final MediaType MEDIA_TYPE = MediaType.parse("application/json; charset=UTF-8");
    public static final String UTF8 = "UTF-8";
    private final TypeAdapter<T> typeAdapter;
    private final Cache cache;

    public GsonConverter(TypeAdapter<T> adapter, Cache cache) {
        this.typeAdapter = adapter;
        this.cache = cache;
    }

    public Cache getCache() {
        return cache;
    }

    @Override
    public T fromBody(ResponseBody body) throws IOException {
        Reader reader = body.charStream();
        try {
            return typeAdapter.fromJson(reader);
        } finally {
            closeQuietly(reader);
        }
    }

    public T fromBody(ResponseBody value, Request request) throws IOException {
        String string = value.string();
        System.out.println(":" + string);
        Reader reader = new InputStreamReader((new ByteArrayInputStream(string.getBytes(UTF8))), Util.UTF_8);
        try {
            T t = typeAdapter.fromJson(reader);
            System.out.println("?" + t);
            String mimeType = value.contentType().toString();
            parseCache(request, t, string, mimeType);
            return t;
        } finally {
            closeQuietly(reader);
        }
    }

    private void parseCache(Request request, T object, String string, String mimeType)
            throws UnsupportedEncodingException {
        com.squareup.okhttp.CacheControl cacheControl = request.cacheControl();
        if (cacheControl != null) {
            if (!cacheControl.noCache() && !cacheControl.noStore()) {
                if (object instanceof EAResult) {
                    EAResult kResult = (EAResult) object;
                    if (kResult != null && kResult.isSuccess()) {
                        long now = System.currentTimeMillis();
                        long maxAge = cacheControl.maxAgeSeconds();
                        long softExpire = now + maxAge * 1000;
                        System.out.println(":" + (softExpire - now) / 1000 + "");
                        Cache.Entry entry = new Cache.Entry();
                        entry.softTtl = softExpire;
                        entry.ttl = entry.softTtl;
                        // entry.serverDate = serverDate;
                        // entry.responseHeaders = headers;
                        entry.mimeType = mimeType;
                        System.out.println("request.cacheControl()==" + request.cacheControl());
                        entry.data = string.getBytes(UTF8);
                        cache.put(request.urlString(), entry);
                    }
                }
            }
        }
    }

    static void closeQuietly(Closeable closeable) {
        if (closeable == null)
            return;
        try {
            closeable.close();
        } catch (IOException ignored) {
        }
    }

}