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/*
* Copyright (C) 2017 The Android Open Source 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.example.android.autofillframework.service.model;
import android.service.autofill.Dataset;
import android.support.annotation.NonNull;
import android.util.Log;
import android.view.View;
import android.view.autofill.AutofillId;
import android.view.autofill.AutofillValue;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
/**
* ClientFormData is the model that holds all of the data on a client app's page, plus the dataset
* name associated with it.
*/
public final class ClientFormData {
private static final String TAG = "ClientFormData";
private final HashMap<String, SavedAutofillValue> hintMap;
private String datasetName;
public ClientFormData() {
this(null, new HashMap<String, SavedAutofillValue>());
}
public ClientFormData(String datasetName, HashMap<String, SavedAutofillValue> hintMap) {
this.hintMap = hintMap;
this.datasetName = datasetName;
}
public static ClientFormData fromJson(JSONObject jsonObject) {
HashMap<String, SavedAutofillValue> hintMap = new HashMap<>();
try {
String datasetName = jsonObject.has("datasetName") ?
jsonObject.getString("datasetName") : null;
JSONObject valuesJson = jsonObject.getJSONObject("values");
Iterator<String> hints = valuesJson.keys();
while (hints.hasNext()) {
String hint = hints.next();
JSONObject valueAsJson = valuesJson
.getJSONObject(hint);
if (valueAsJson != null) {
SavedAutofillValue savedAutofillValue = SavedAutofillValue.fromJson(valueAsJson);
hintMap.put(hint, savedAutofillValue);
}
}
return new ClientFormData(datasetName, hintMap);
} catch (JSONException e) {
Log.d(TAG, e.getMessage());
return null;
}
}
/**
* Returns the name of the {@link Dataset}.
*/
public String getDatasetName() {
return this.datasetName;
}
/**
* Sets the {@link Dataset} name.
*/
public void setDatasetName(String datasetName) {
this.datasetName = datasetName;
}
/**
* Sets values for a list of hints.
*/
public void set(@NonNull String[] autofillHints, @NonNull SavedAutofillValue autofillValue) {
if (autofillHints.length < 1) {
return;
}
for (int i = 0; i < autofillHints.length; i++) {
hintMap.put(autofillHints[i], autofillValue);
}
}
/**
* Populates a {@link Dataset.Builder} with appropriate values for each {@link AutofillId}
* in a {@code AutofillFieldsCollection}.
*/
public boolean applyToFields(AutofillFieldsCollection autofillFieldsCollection,
Dataset.Builder datasetBuilder) {
boolean setValueAtLeastOnce = false;
List<String> allHints = autofillFieldsCollection.getAllHints();
for (int hintIndex = 0; hintIndex < allHints.size(); hintIndex++) {
String hint = allHints.get(hintIndex);
List<AutofillField> autofillFields = autofillFieldsCollection.getFieldsForHint(hint);
if (autofillFields == null) {
continue;
}
for (int autofillFieldIndex = 0; autofillFieldIndex < autofillFields.size(); autofillFieldIndex++) {
SavedAutofillValue savedAutofillValue = hintMap.get(hint);
if (savedAutofillValue == null) {
continue;
}
AutofillField autofillField = autofillFields.get(autofillFieldIndex);
AutofillId autofillId = autofillField.getId();
int autofillType = autofillField.getAutofillType();
switch (autofillType) {
case View.AUTOFILL_TYPE_LIST:
int listValue = autofillField.getAutofillOptionIndex(savedAutofillValue.getTextValue());
if (listValue != -1) {
datasetBuilder.setValue(autofillId, AutofillValue.forList(listValue));
setValueAtLeastOnce = true;
}
break;
case View.AUTOFILL_TYPE_DATE:
long dateValue = savedAutofillValue.getDateValue();
if (dateValue != -1) {
datasetBuilder.setValue(autofillId, AutofillValue.forDate(dateValue));
setValueAtLeastOnce = true;
}
break;
case View.AUTOFILL_TYPE_TEXT:
String textValue = savedAutofillValue.getTextValue();
if (textValue != null) {
datasetBuilder.setValue(autofillId, AutofillValue.forText(textValue));
setValueAtLeastOnce = true;
}
break;
case View.AUTOFILL_TYPE_TOGGLE:
if (savedAutofillValue.hasToggleValue()) {
boolean toggleValue = savedAutofillValue.getToggleValue();
datasetBuilder.setValue(autofillId, AutofillValue.forToggle(toggleValue));
setValueAtLeastOnce = true;
}
break;
case View.AUTOFILL_TYPE_NONE:
default:
Log.w(TAG, "Invalid autofill type - " + autofillType);
break;
}
}
}
return setValueAtLeastOnce;
}
public JSONObject toJson() {
JSONObject jsonObject = new JSONObject();
try {
jsonObject.put("datasetName", datasetName != null ? datasetName : JSONObject.NULL);
JSONObject jsonValues = new JSONObject();
Set<String> hints = hintMap.keySet();
for (String hint : hints) {
SavedAutofillValue value = hintMap.get(hint);
jsonValues.put(hint, value != null ? value.toJson() : JSONObject.NULL);
}
jsonObject.put("values", jsonValues);
} catch (JSONException e) {
Log.e(TAG, e.getMessage());
}
return jsonObject;
}
public boolean helpsWithHints(List<String> autofillHints) {
for (int i = 0; i < autofillHints.size(); i++) {
String autofillHint = autofillHints.get(i);
if (hintMap.get(autofillHint) != null && !hintMap.get(autofillHint).isNull()) {
return true;
}
}
return false;
}
}
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