Define command

src/com/md87/charliebravo/commands/DefineCommand.java

@@ -0,0 +1,178 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+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 DefineCommand implements Command {
+
+    public void execute(final InputHandler handler, Response response, String line) throws MalformedURLException, IOException, JSONException {
+        URL url = new URL("http://apps.md87.co.uk/services/wiktionary/?query=" +
+                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.getJSONArray("responseData").length() == 0) {
+            response.sendMessage("There were no results for '" + line + "'", true);
+        } else {
+            final StringBuilder res = new StringBuilder();
+            res.append("there ");
+
+            if (json.getJSONArray("responseData").length() == 1) {
+                res.append("was 1 match");
+            } else {
+                res.append("were ");
+                res.append(json.getJSONArray("responseData").length());
+                res.append(" matches");
+            }
+
+            res.append(" for '");
+            res.append(line);
+            res.append("'");
+
+            if (json.getJSONArray("responseData").length() == 1) {
+                res.append(". It is ");
+            } else {
+                res.append(". Result 1 is ");
+            }
+
+            final String name = json.getJSONArray("responseData").getJSONObject(0).getString("title");
+
+            res.append('\'');
+            res.append(name);
+            res.append("', which has ");
+
+            final int defs = json.getJSONArray("responseData").getJSONObject(0)
+                    .getJSONArray("definitions").length();
+            res.append(defs);
+
+            res.append(" definition");
+            
+            if (defs != 1) {
+                res.append("s, the first of which is");
+            }
+            
+            res.append(": ");
+
+            res.append(json.getJSONArray("responseData").getJSONObject(0)
+                    .getJSONArray("definitions").get(0));
+
+            response.sendMessage(res.toString());
+            response.addFollowup(new NextWordFollowup(json.getJSONArray("responseData"), 1));
+            response.addFollowup(new NextDefinitionFollowup(json.getJSONArray("responseData")
+                    .getJSONObject(0).getJSONArray("definitions"), 1,
+                    new NextWordFollowup(json.getJSONArray("responseData"), 1)));
+        }
+    }
+
+    protected static class NextWordFollowup implements Followup {
+
+        private final JSONArray words;
+        private final int next;
+
+        public NextWordFollowup(JSONArray words, int next) {
+            this.words = words;
+            this.next = next;
+        }
+
+        public boolean matches(String line) {
+            return next < words.length() && line.startsWith("next word");
+        }
+
+        public void execute(InputHandler handler, Response response, String line) throws Exception {
+            final StringBuilder res = new StringBuilder();
+
+            res.append("result " + (next + 1) + " is ");
+
+            final String name = words.getJSONObject(next).getString("title");
+
+            res.append('\'');
+            res.append(name);
+            res.append("', which has ");
+
+            final int defs = words.getJSONObject(next)
+                    .getJSONArray("definitions").length();
+            res.append(defs);
+
+            res.append(" definition");
+
+            if (defs != 1) {
+                res.append("s, the first of which is");
+            }
+
+            res.append(": ");
+
+            res.append(words.getJSONObject(next)
+                    .getJSONArray("definitions").get(0));
+
+            response.sendMessage(res.toString());
+            response.addFollowup(new NextWordFollowup(words, next + 1));
+            response.addFollowup(new NextDefinitionFollowup(words.getJSONObject(next)
+                    .getJSONArray("definitions"), 1, new NextWordFollowup(words, next + 1)));
+        }
+
+    }
+
+    protected static class NextDefinitionFollowup implements Followup {
+
+        private final JSONArray defs;
+        private final int next;
+        private final NextWordFollowup nextword;
+
+        public NextDefinitionFollowup(JSONArray defs, int next, NextWordFollowup nextword) {
+            this.defs = defs;
+            this.next = next;
+            this.nextword = nextword;
+        }
+
+        public boolean matches(String line) {
+            return next < defs.length() && line.startsWith("next definition");
+        }
+
+        public void execute(InputHandler handler, Response response, String line) throws Exception {
+            final StringBuilder res = new StringBuilder();
+
+            res.append("definition " + (next + 1) + " is: ");
+            res.append(defs.get(next));
+
+            response.sendMessage(res.toString());
+            response.addFollowup(nextword);
+            response.addFollowup(new NextDefinitionFollowup(defs, next + 1, nextword));
+        }
+
+    }
+
+}