1 files changed, 168 insertions, 0 deletions
diff --git a/java/com/android/dialer/lookup/LookupUtils.java b/java/com/android/dialer/lookup/LookupUtils.java
new file mode 100644
index 000000000..f13a33e54
--- /dev/null
+++ b/java/com/android/dialer/lookup/LookupUtils.java
@@ -0,0 +1,168 @@
+/*
+ * Copyright (C) 2014 The CyanogenMod Project
+ *
+ * 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.android.dialer.lookup;
+
+import android.text.Html;
+
+import java.io.BufferedInputStream;
+import java.io.BufferedWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.nio.charset.Charset;
+import java.nio.charset.IllegalCharsetNameException;
+import java.nio.charset.UnsupportedCharsetException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+public class LookupUtils {
+    private static final String USER_AGENT =
+            "Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0";
+
+    private static HttpURLConnection prepareHttpConnection(String url, Map<String, String> headers)
+            throws IOException {
+        // open connection
+        HttpURLConnection urlConnection = (HttpURLConnection) new URL(url).openConnection();
+        // set user agent (default value is null)
+        urlConnection.setRequestProperty("User-Agent", USER_AGENT);
+        // set all other headers if not null
+        if (headers != null) {
+            for (Map.Entry<String, String> header : headers.entrySet()) {
+                urlConnection.setRequestProperty(header.getKey(), header.getValue());
+            }
+        }
+
+        return urlConnection;
+    }
+
+    private static byte[] httpFetch(HttpURLConnection urlConnection) throws IOException {
+        // query url, read and return buffered response body
+        // we want to make sure that the connection gets closed here
+        InputStream is = new BufferedInputStream(urlConnection.getInputStream());
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        byte[] result = null;
+        try {
+            byte[] partial = new byte[4096];
+            int read;
+            while ((read = is.read(partial, 0, 4096)) != -1) {
+                baos.write(partial, 0, read);
+            }
+            result = baos.toByteArray();
+        } finally {
+            is.close();
+            baos.close();
+        }
+        return result;
+    }
+
+    private static Charset determineCharset(HttpURLConnection connection) {
+        String contentType = connection.getContentType();
+        if (contentType != null) {
+            String[] split = contentType.split(";");
+            for (int i = 0; i < split.length; i++) {
+                String trimmed = split[i].trim();
+                if (trimmed.startsWith("charset=")) {
+                    try {
+                        return Charset.forName(trimmed.substring(8));
+                    } catch (IllegalCharsetNameException | UnsupportedCharsetException e) {
+                        // we don't know about this charset -> ignore
+                    }
+                }
+            }
+        }
+        return Charset.defaultCharset();
+    }
+
+    public static String httpGet(String url, Map<String, String> headers) throws IOException {
+        HttpURLConnection connection = prepareHttpConnection(url, headers);
+        try {
+            byte[] response = httpFetch(connection);
+            return new String(response, determineCharset(connection));
+        } finally {
+            connection.disconnect();
+        }
+    }
+
+    public static byte[] httpGetBytes(String url, Map<String, String> headers) throws IOException {
+        HttpURLConnection connection = prepareHttpConnection(url, headers);
+        try {
+            return httpFetch(connection);
+        } finally {
+            connection.disconnect();
+        }
+    }
+
+    public static String httpPost(String url, Map<String, String> headers, String postData)
+            throws IOException {
+        HttpURLConnection connection = prepareHttpConnection(url, headers);
+
+        try {
+            // write postData to buffered output stream
+            if (postData != null) {
+                connection.setDoOutput(true);
+                BufferedWriter bw = new BufferedWriter(new OutputStreamWriter(
+                        connection.getOutputStream()));
+                try {
+                    bw.write(postData, 0, postData.length());
+                    // close connection and re-throw exception
+                } finally {
+                    bw.close();
+                }
+            }
+            byte[] response = httpFetch(connection);
+            return new String(response, determineCharset(connection));
+        } finally {
+            connection.disconnect();
+        }
+    }
+
+    public static List<String> allRegexResults(String input, String regex, boolean dotall) {
+        if (input == null) {
+            return null;
+        }
+        Pattern pattern = Pattern.compile(regex, dotall ? Pattern.DOTALL : 0);
+        Matcher matcher = pattern.matcher(input);
+
+        List<String> regexResults = new ArrayList<String>();
+        while (matcher.find()) {
+            regexResults.add(matcher.group(1).trim());
+        }
+        return regexResults;
+    }
+
+    public static String firstRegexResult(String input, String regex, boolean dotall) {
+        if (input == null) {
+            return null;
+        }
+        Pattern pattern = Pattern.compile(regex, dotall ? Pattern.DOTALL : 0);
+        Matcher m = pattern.matcher(input);
+        return m.find() ? m.group(1).trim() : null;
+    }
+
+    public static String fromHtml(String input) {
+        if (input == null) {
+            return null;
+        }
+        return Html.fromHtml(input).toString().trim();
+    }
+}