Simple JPP Example

gistfile1.txt

// {"desc":"Description", "url":"http://host/path", "price":9999, "source":"XXX Shoppers"}
// -> Item (desc (String), url (String), price (long), source (String))
package com.gmail.altakey.xxx;

import android.util.Log;
import java.io.*;
import java.util.*;
import net.vvakame.util.jsonpullparser.*;

public class ItemStreamParser {
    private JsonPullParser parser;

    public ItemStreamParser(InputStream is) {
        this.parser = JsonPullParser.newParser(is);
    }

    public void parse(List<Item> into) {
        try {
            while (true) {
                switch (this.parser.getEventType()) {
                case START_HASH:
                    into.add(parseItem());
                    break;
                case END_ARRAY:
                    return;
                }
            }
        }
        catch (JsonFormatException e) {
            Log.d("ISP.pI", String.format("invalid JSON data: %s", e.getMessage()));
        }
        catch (IOException e) {
            Log.d("ISP.pI", String.format("IOException: %s", e.getMessage()));
        }
    }

    private Item parseItem() throws JsonFormatException, IOException {
        Item item = new Item();

        while (true) {
            switch (this.parser.getEventType()) {
            case END_HASH:
                return item;

            case KEY:
                String key = this.parser.getValueString();

                // Read the value
                this.parser.getEventType();

                if (key.equals("source")) {
                    item.source = this.parser.getValueString();
                }
                if (key.equals("url")) {
                    item.url = this.parser.getValueString();
                }
                if (key.equals("desc")) {
                    item.desc = this.parser.getValueString();
                }
                if (key.equals("price")) {
                    item.price = (int)this.parser.getValueLong();
                }
            }
        }
    }
}