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- /*
- * Copyright (c) 2009-2010 Chris Smith
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
- package com.md87.charliebravo.commands;
-
- import com.md87.charliebravo.Command;
- import com.md87.charliebravo.Followup;
- import com.md87.charliebravo.InputHandler;
- import com.md87.charliebravo.Response;
- import java.io.BufferedReader;
- import java.io.IOException;
- import java.io.InputStreamReader;
- import java.net.MalformedURLException;
- import java.net.URL;
- import java.net.URLConnection;
- import java.net.URLEncoder;
- import java.nio.charset.Charset;
- import org.json.JSONArray;
- import org.json.JSONException;
- import org.json.JSONObject;
-
- /**
- *
- * @author chris
- */
- public class GoogleCommand implements Command {
-
- public void execute(final InputHandler handler, Response response, String line) throws MalformedURLException, IOException, JSONException {
- URL url = new URL("http://ajax.googleapis.com/ajax/services/search/web?v=1.0&q=" +
- URLEncoder.encode(line, Charset.defaultCharset().name()));
- URLConnection connection = url.openConnection();
- connection.addRequestProperty("Referer", "http://chris.smith.name/");
-
- String input;
- StringBuilder builder = new StringBuilder();
- BufferedReader reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
- while((input = reader.readLine()) != null) {
- builder.append(input);
- }
-
- JSONObject json = new JSONObject(builder.toString());
- if (json.getInt("responseStatus") != 200) {
- throw new IOException(json.getString("responseDetails"));
- }
-
- if (json.getJSONObject("responseData").getJSONArray("results").length() == 0) {
- response.sendMessage("There were no results for '" + line + "'", true);
- } else {
- final JSONObject obj = json.getJSONObject("responseData")
- .getJSONArray("results").getJSONObject(0);
- response.sendMessage("the first result for '" + line + "' is "
- + obj.getString("unescapedUrl") + ", titled '"
- + obj.getString("titleNoFormatting") + "'");
- response.addFollowup(new DescriptionFollowup(obj));
- response.addFollowup(new CacheFollowup(obj));
- response.addFollowup(new NextFollowup(line,
- json.getJSONObject("responseData").getJSONArray("results"), 1));
- }
- }
-
- protected static class DescriptionFollowup implements Followup {
-
- private final JSONObject result;
-
- public DescriptionFollowup(JSONObject result) {
- this.result = result;
- }
-
- public boolean matches(String line) {
- return line.equals("description");
- }
-
- public void execute(final InputHandler handler, Response response, String line) throws Exception {
- response.setInheritFollows(true);
- response.sendMessage("the description of '" + result.getString("unescapedUrl")
- + "' is: " + result.getString("content"));
- }
-
- }
-
- protected static class CacheFollowup implements Followup {
-
- private final JSONObject result;
-
- public CacheFollowup(JSONObject result) {
- this.result = result;
- }
-
- public boolean matches(String line) {
- return line.equals("cache");
- }
-
- public void execute(final InputHandler handler, Response response, String line) throws Exception {
- response.setInheritFollows(true);
- if (result.has("cacheUrl")) {
- response.sendMessage("the cached version of '" + result.getString("url")
- + "' is: " + result.getString("cacheUrl"));
- } else {
- response.sendMessage("There doesn't seem to be a cached version of '"
- + result.getString("unescapedUrl") + "'", true);
- }
- }
-
- }
-
- protected static class NextFollowup implements Followup {
-
- private final String query;
- private final JSONArray result;
- private final int offset;
-
- public NextFollowup(String query, JSONArray results, final int offset) {
- this.query = query;
- this.result = results;
- this.offset = offset;
- }
-
- public boolean matches(String line) {
- return line.equals("next") || line.equals("more");
- }
-
- public void execute(final InputHandler handler, Response response, String line) throws Exception {
- if (result.length() <= offset) {
- response.setInheritFollows(true);
- response.sendMessage("There are no more results", true);
- } else {
- final JSONObject obj = result.getJSONObject(offset);
- response.sendMessage("the next result for '" + query + "' is "
- + obj.getString("unescapedUrl") + ", titled '"
- + obj.getString("titleNoFormatting") + "'");
- response.addFollowup(new DescriptionFollowup(obj));
- response.addFollowup(new CacheFollowup(obj));
- response.addFollowup(new NextFollowup(query, result, offset + 1));
- }
- }
-
- }
-
- }
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