1 files changed, 76 insertions, 0 deletions
diff --git a/demo/src/main/java/com/google/phonenumbers/demo/helper/WebHelper.java b/demo/src/main/java/com/google/phonenumbers/demo/helper/WebHelper.java
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+++ b/demo/src/main/java/com/google/phonenumbers/demo/helper/WebHelper.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2022 The Libphonenumber Authors
+ *
+ * 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.
+ *
+ * @author Shaopeng Jia
+ */
+
+package com.google.phonenumbers.demo.helper;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+import static java.util.Locale.ENGLISH;
+
+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.util.Locale;
+
+public class WebHelper {
+  private static final String NEW_ISSUE_BASE_URL =
+      "https://issuetracker.google.com/issues/new?component=192347&title=";
+  /** Returns a stable URL pointing to the result page for the given input. */
+  public static String getPermaLinkURL(
+      String phoneNumber, String defaultCountry, Locale geocodingLocale, boolean absoluteURL) {
+    // If absoluteURL is false, generate a relative path. Otherwise, produce an absolute URL.
+    StringBuilder permaLink =
+        new StringBuilder(
+            absoluteURL
+                ? "http://libphonenumber.appspot.com/phonenumberparser"
+                : "/phonenumberparser");
+    try {
+      permaLink.append(
+          "?number=" + URLEncoder.encode(phoneNumber != null ? phoneNumber : "", UTF_8.name()));
+      if (defaultCountry != null && !defaultCountry.isEmpty()) {
+        permaLink.append("&country=" + URLEncoder.encode(defaultCountry, UTF_8.name()));
+      }
+      if (!geocodingLocale.getLanguage().equals(ENGLISH.getLanguage())
+          || !geocodingLocale.getCountry().isEmpty()) {
+        permaLink.append(
+            "&geocodingLocale=" + URLEncoder.encode(geocodingLocale.toLanguageTag(), UTF_8.name()));
+      }
+    } catch (UnsupportedEncodingException e) {
+      // UTF-8 is guaranteed in Java, so this should be impossible.
+      throw new AssertionError(e);
+    }
+    return permaLink.toString();
+  }
+
+  /** Returns a link to create a new github issue with the relevant information. */
+  public static String getNewIssueLink(
+      String phoneNumber, String defaultCountry, Locale geocodingLocale) {
+    boolean hasDefaultCountry = !defaultCountry.isEmpty() && defaultCountry != "ZZ";
+    String issueTitle =
+        "Validation issue with "
+            + phoneNumber
+            + (hasDefaultCountry ? " (" + defaultCountry + ")" : "");
+
+    String newIssueLink = NEW_ISSUE_BASE_URL;
+    try {
+      newIssueLink += URLEncoder.encode(issueTitle, UTF_8.name());
+    } catch (UnsupportedEncodingException e) {
+      // UTF-8 is guaranteed in Java, so this should be impossible.
+      throw new AssertionError(e);
+    }
+    return newIssueLink;
+  }
+}