src/com/android/settings/vpn/L2tpIpsecEditor.java

   1 /*
   2  * Copyright (C) 2007 The Android Open Source Project
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package com.android.settings.vpn;
  18
  19 import com.android.settings.R;
  20
  21 import android.content.Context;
  22 import android.net.vpn.L2tpIpsecProfile;
  23 import android.preference.EditTextPreference;
  24 import android.preference.ListPreference;
  25 import android.preference.Preference;
  26 import android.preference.PreferenceGroup;
  27 import android.security.Keystore;
  28
  29 /**
  30  * The class for editing {@link L2tpIpsecProfile}.
  31  */
  32 class L2tpIpsecEditor extends SingleServerEditor {
  33     private static final String TAG = L2tpIpsecEditor.class.getSimpleName();
  34
  35     private ListPreference mUserCertificate;
  36     private ListPreference mCaCertificate;
  37     private ListPreference mUserkey;
  38
  39     private L2tpIpsecProfile mProfile;
  40
  41     public L2tpIpsecEditor(L2tpIpsecProfile p) {
  42         super(p);
  43         mProfile = p;
  44     }
  45
  46     //@Override
  47     public void loadPreferencesTo(PreferenceGroup subsettings) {
  48         super.loadPreferencesTo(subsettings);
  49         Context c = subsettings.getContext();
  50         subsettings.addPreference(createUserkeyPreference(c));
  51         subsettings.addPreference(createUserCertificatePreference(c));
  52         subsettings.addPreference(createCaCertificatePreference(c));
  53         subsettings.addPreference(createDomainSufficesPreference(c));
  54     }
  55
  56     //@Override
  57     public String validate(Context c) {
  58         String result = super.validate(c);
  59         if (result != null) {
  60             return result;
  61         } else if (mProfile.isCustomized()) {
  62             return null;
  63         } else if (Util.isNullOrEmpty(mUserkey.getValue())) {
  64             return c.getString(R.string.vpn_error_userkey_not_selected);
  65         } else if (Util.isNullOrEmpty(mUserCertificate.getValue())) {
  66             return c.getString(R.string.vpn_error_user_certificate_not_selected);
  67         } else if (Util.isNullOrEmpty(mCaCertificate.getValue())) {
  68             return c.getString(R.string.vpn_error_ca_certificate_not_selected);
  69         } else {
  70             return null;
  71         }
  72     }
  73
  74     private Preference createUserCertificatePreference(Context c) {
  75         mUserCertificate = createListPreference(c,
  76                 R.string.vpn_user_certificate_title,
  77                 mProfile.getUserCertificate(),
  78                 Keystore.getInstance().getAllCertificateKeys(),
  79                 new Preference.OnPreferenceChangeListener() {
  80                     public boolean onPreferenceChange(
  81                             Preference pref, Object newValue) {
  82                         mProfile.setUserCertificate((String) newValue);
  83                         return onPreferenceChangeCommon(pref, newValue);
  84                     }
  85                 });
  86         return mUserCertificate;
  87     }
  88
  89     private Preference createCaCertificatePreference(Context c) {
  90         mCaCertificate = createListPreference(c,
  91                 R.string.vpn_ca_certificate_title,
  92                 mProfile.getCaCertificate(),
  93                 Keystore.getInstance().getAllCertificateKeys(),
  94                 new Preference.OnPreferenceChangeListener() {
  95                     public boolean onPreferenceChange(
  96                             Preference pref, Object newValue) {
  97                         mProfile.setCaCertificate((String) newValue);
  98                         return onPreferenceChangeCommon(pref, newValue);
  99                     }
 100                 });
 101         return mCaCertificate;
 102     }
 103
 104     private Preference createUserkeyPreference(Context c) {
 105         mUserkey = createListPreference(c,
 106                 R.string.vpn_userkey_title,
 107                 mProfile.getUserkey(),
 108                 Keystore.getInstance().getAllUserkeyKeys(),
 109                 new Preference.OnPreferenceChangeListener() {
 110                     public boolean onPreferenceChange(
 111                             Preference pref, Object newValue) {
 112                         mProfile.setUserkey((String) newValue);
 113                         return onPreferenceChangeCommon(pref, newValue);
 114                     }
 115                 });
 116         return mUserkey;
 117     }
 118
 119     private ListPreference createListPreference(Context c, int titleResId,
 120             String text, String[] keys,
 121             Preference.OnPreferenceChangeListener listener) {
 122         ListPreference pref = new ListPreference(c);
 123         pref.setTitle(titleResId);
 124         pref.setDialogTitle(titleResId);
 125         pref.setPersistent(true);
 126         pref.setEntries(keys);
 127         pref.setEntryValues(keys);
 128         pref.setValue(text);
 129         pref.setSummary(checkNull(text, c));
 130         pref.setOnPreferenceChangeListener(listener);
 131         return pref;
 132     }
 133
 134     private boolean onPreferenceChangeCommon(Preference pref, Object newValue) {
 135         pref.setSummary(checkNull(newValue.toString(), pref.getContext()));
 136         return true;
 137     }
 138 }