com.ratebeer.android.api.command.GetStyleDetailsCommand.java Source code

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Here is the source code for com.ratebeer.android.api.command.GetStyleDetailsCommand.java

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/*
This file is part of RateBeer For Android.
    
RateBeer for Android is free software: you can redistribute it 
and/or modify it under the terms of the GNU General Public 
License as published by the Free Software Foundation, either 
version 3 of the License, or (at your option) any later version.
    
RateBeer for Android is distributed in the hope that it will be 
useful, but WITHOUT ANY WARRANTY; without even the implied warranty 
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with RateBeer for Android.  If not, see 
<http://www.gnu.org/licenses/>.
 */
package com.ratebeer.android.api.command;

import java.util.ArrayList;
import java.util.List;

import org.json.JSONException;

import android.os.Parcel;
import android.os.Parcelable;

import com.ratebeer.android.api.ApiConnection;
import com.ratebeer.android.api.ApiException;
import com.ratebeer.android.api.ApiMethod;
import com.ratebeer.android.api.HtmlCommand;
import com.ratebeer.android.api.HttpHelper;
import com.ratebeer.android.api.UserSettings;
import com.ratebeer.android.api.command.GetTopBeersCommand.TopBeer;

public class GetStyleDetailsCommand extends HtmlCommand {

    private final int styleId;
    private StyleDetails details;

    public GetStyleDetailsCommand(UserSettings api, int styleId) {
        super(api, ApiMethod.GetStyleDetails);
        this.styleId = styleId;
    }

    public StyleDetails getDetails() {
        return details;
    }

    @Override
    protected String makeRequest(ApiConnection apiConnection) throws ApiException {
        return apiConnection.get("http://www.ratebeer.com/beerstyles/s/" + styleId + "/");
    }

    @Override
    protected void parse(String html) throws JSONException, ApiException {

        // Parse the top beers table
        int tableStart = html.indexOf("<small><b>MORE BEER STYLES</b></small><br>");
        if (tableStart < 0) {
            throw new ApiException(ApiException.ExceptionType.CommandFailed,
                    "The response HTML did not contain the unique top beers of the style table begin HTML string");
        }

        int nameStart = html.indexOf("<h1>") + "<h1>".length();
        String name = HttpHelper.cleanHtml(html.substring(nameStart, html.indexOf("</h1>", nameStart)));

        int descriptionStart = html.indexOf("\">", nameStart) + "\">".length();
        String description = HttpHelper
                .cleanHtml(html.substring(descriptionStart, html.indexOf("</div>", descriptionStart)).trim());

        String servedInText = ".gif\">&nbsp;";
        List<String> servedIn = new ArrayList<String>();
        int servedInStart = html.indexOf(servedInText, descriptionStart);
        while (servedInStart >= 0) {
            servedIn.add(HttpHelper.cleanHtml(
                    html.substring(servedInStart + servedInText.length(), html.indexOf("<br>", servedInStart)))
                    .trim());
            servedInStart = html.indexOf(servedInText, servedInStart + 1);
        }

        String rowText = "<td class=\"lineNumber orange\">";
        int rowStart = html.indexOf(rowText, descriptionStart) + rowText.length();
        ArrayList<TopBeer> beers = new ArrayList<TopBeer>();

        while (rowStart > 0 + rowText.length()) {

            int orderNr = Integer.parseInt(html.substring(rowStart, html.indexOf(" ", rowStart)));

            int idStart1 = html.indexOf("<A HREF=\"/beer/", rowStart) + "<A HREF=\"/beer/".length();
            int idStart2 = html.indexOf("/", idStart1) + "/".length();
            int beerId = Integer.parseInt(html.substring(idStart2, html.indexOf("/", idStart2)));

            int beerStart = html.indexOf(">", idStart2) + ">".length();
            String beerName = HttpHelper.cleanHtml(html.substring(beerStart, html.indexOf("<", beerStart)));

            int scoreStart = html.indexOf("<b>", beerStart) + "<b>".length();
            float score = Float.parseFloat(html.substring(scoreStart, html.indexOf("<", scoreStart)));

            int countStart = html.indexOf("#999999\">", scoreStart) + "#999999\">".length();
            int count = Integer.parseInt(html.substring(countStart, html.indexOf("&", countStart)));

            beers.add(new TopBeer(orderNr, beerId, beerName, score, count, Integer.toString(styleId)));
            rowStart = html.indexOf(rowText, countStart) + rowText.length();
        }

        details = new StyleDetails(name, description, servedIn, beers);

    }

    public static class StyleDetails implements Parcelable {

        public final String name;
        public final String description;
        public final List<String> servedIn;
        public final List<TopBeer> beers;

        public StyleDetails(String name, String description, List<String> servedIn, List<TopBeer> beers) {
            this.name = name;
            this.description = description;
            this.servedIn = servedIn;
            this.beers = beers;
        }

        public int describeContents() {
            return 0;
        }

        public void writeToParcel(Parcel out, int flags) {
            out.writeString(name);
            out.writeString(description);
            out.writeStringList(servedIn);
            out.writeTypedList(beers);
        }

        public static final Parcelable.Creator<StyleDetails> CREATOR = new Parcelable.Creator<StyleDetails>() {
            public StyleDetails createFromParcel(Parcel in) {
                return new StyleDetails(in);
            }

            public StyleDetails[] newArray(int size) {
                return new StyleDetails[size];
            }
        };

        private StyleDetails(Parcel in) {
            name = in.readString();
            description = in.readString();
            servedIn = new ArrayList<String>();
            in.readStringList(servedIn);
            beers = new ArrayList<TopBeer>();
            in.readTypedList(beers, TopBeer.CREATOR);
        }

    }

}