Java implementation of PaymentRequest mojo service

chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java

Index: chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java b/chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java
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+++ b/chrome/android/java/src/org/chromium/chrome/browser/payments/AutofillAddress.java
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+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.chrome.browser.payments;
+
+import org.chromium.chrome.browser.autofill.PersonalDataManager.AutofillProfile;
+import org.chromium.chrome.browser.payments.ui.PaymentOption;
+import org.chromium.mojom.payments.ShippingAddress;
+
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * The locally stored autofill address.
+ */
+public class AutofillAddress extends PaymentOption {
+    /**
+     * The pattern for a valid region code.
+     */
+    public static final String REGION_CODE_PATTERN = "^[A-Z]{2}$";
+
+    // Language/script code pattern and capture group numbers.
+    private static final String LANGUAGE_SCRIPT_CODE_PATTERN =
+            "^([a-z]{2})(-([A-Z][a-z]{3}))?(-[A-Za-z]+)*$";
+    private static final int LANGUAGE_CODE_GROUP = 1;
+    private static final int SCRIPT_CODE_GROUP = 3;
+
+    private final AutofillProfile mProfile;
+    private Matcher mLanguageScriptCodeMatcher;
+
+    /**
+     * Builds for the autofill address.
+     */
+    public AutofillAddress(AutofillProfile profile) {
+        super(profile.getGUID(), profile.getFullName(), profile.getStreetAddress(),
+                PaymentOption.NO_ICON);
+
+        assert profile.getCountryCode() != null : "Country code should not be null";
+        assert Pattern.compile(REGION_CODE_PATTERN).matcher(profile.getCountryCode()).matches()
+                : "Country code should be in valid format";
+
+        assert profile.getStreetAddress() != null : "Street address should not be null";
+        assert profile.getRegion() != null : "Region should not be null";
+        assert profile.getLocality() != null : "Locality should not be null";
+        assert profile.getDependentLocality() != null : "Dependent locality should not be null";
+        assert profile.getPostalCode() != null : "Postal code should not be null";
+        assert profile.getSortingCode() != null : "Sorting code should not be null";
+        assert profile.getCompanyName() != null : "Company name should not be null";
+        assert profile.getFullName() != null : "Full name should not be null";
+
+        mProfile = profile;
+    }
+
+    /**
+     * Returns the shipping address for mojo.
+     */
+    public ShippingAddress toShippingAddress() {
+        ShippingAddress result = new ShippingAddress();
+
+        result.regionCode = mProfile.getCountryCode();
+        result.addressLine = mProfile.getStreetAddress().split("\n");
+        result.administrativeArea = mProfile.getRegion();
+        result.locality = mProfile.getLocality();
+        result.dependentLocality = mProfile.getDependentLocality();
+        result.postalCode = mProfile.getPostalCode();
+        result.sortingCode = mProfile.getSortingCode();
+        result.organization = mProfile.getCompanyName();
+        result.recipient = mProfile.getFullName();
+        result.languageCode = "";
+        result.scriptCode = "";
+
+        if (mProfile.getLanguageCode() == null) return result;
+
+        if (mLanguageScriptCodeMatcher == null) {
+            mLanguageScriptCodeMatcher = Pattern.compile(LANGUAGE_SCRIPT_CODE_PATTERN)
+                                                 .matcher(mProfile.getLanguageCode());
+        }
+
+        if (mLanguageScriptCodeMatcher.matches()) {
+            String languageCode = mLanguageScriptCodeMatcher.group(LANGUAGE_CODE_GROUP);
+            result.languageCode = languageCode != null ? languageCode : "";
+
+            String scriptCode = mLanguageScriptCodeMatcher.group(SCRIPT_CODE_GROUP);
+            result.scriptCode = scriptCode != null ? scriptCode : "";
+        }
+
+        return result;
+    }
+}