495 lines
18 KiB
Java
495 lines
18 KiB
Java
/*
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* Copyright (C) 2010 Thialfihar <thi@thialfihar.org>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.thialfihar.android.apg.provider;
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import java.util.HashMap;
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import android.content.ContentProvider;
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import android.content.ContentUris;
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import android.content.ContentValues;
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import android.content.Context;
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import android.content.UriMatcher;
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import android.database.Cursor;
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import android.database.SQLException;
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import android.database.sqlite.SQLiteDatabase;
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import android.database.sqlite.SQLiteOpenHelper;
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import android.database.sqlite.SQLiteQueryBuilder;
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import android.net.Uri;
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import android.text.TextUtils;
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public class DataProvider extends ContentProvider {
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public static final String AUTHORITY = "org.thialfihar.android.apg.provider";
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private static final String DATABASE_NAME = "apg";
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private static final int DATABASE_VERSION = 1;
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private static final int PUBLIC_KEYS = 101;
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private static final int PUBLIC_KEY_ID = 102;
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private static final int PUBLIC_KEY_BY_KEY_ID = 103;
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private static final int SECRET_KEYS = 201;
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private static final int SECRET_KEY_ID = 202;
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private static final int SECRET_KEY_BY_KEY_ID = 203;
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private static final int ACCOUNTS = 301;
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private static final int ACCOUNT_ID = 302;
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private static final UriMatcher mUriMatcher;
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private static final HashMap<String, String> mPublicKeysProjectionMap;
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private static final HashMap<String, String> mSecretKeysProjectionMap;
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private static final HashMap<String, String> mAccountsProjectionMap;
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private DatabaseHelper mdbHelper;
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static {
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mUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "public_keys", PUBLIC_KEYS);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "public_keys/#", PUBLIC_KEY_ID);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "public_keys/key_id/*", PUBLIC_KEY_BY_KEY_ID);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "secret_keys", SECRET_KEYS);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "secret_keys/#", SECRET_KEY_ID);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "secret_keys/key_id/*", SECRET_KEY_BY_KEY_ID);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "accounts", ACCOUNTS);
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mUriMatcher.addURI(DataProvider.AUTHORITY, "accounts/#", ACCOUNT_ID);
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mPublicKeysProjectionMap = new HashMap<String, String>();
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mPublicKeysProjectionMap.put(PublicKeys._ID, PublicKeys._ID);
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mPublicKeysProjectionMap.put(PublicKeys.KEY_ID, PublicKeys.KEY_ID);
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mPublicKeysProjectionMap.put(PublicKeys.KEY_DATA, PublicKeys.KEY_DATA);
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mPublicKeysProjectionMap.put(PublicKeys.WHO_ID, PublicKeys.WHO_ID);
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mSecretKeysProjectionMap = new HashMap<String, String>();
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mSecretKeysProjectionMap.put(PublicKeys._ID, PublicKeys._ID);
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mSecretKeysProjectionMap.put(PublicKeys.KEY_ID, PublicKeys.KEY_ID);
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mSecretKeysProjectionMap.put(PublicKeys.KEY_DATA, PublicKeys.KEY_DATA);
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mSecretKeysProjectionMap.put(PublicKeys.WHO_ID, PublicKeys.WHO_ID);
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mAccountsProjectionMap = new HashMap<String, String>();
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mAccountsProjectionMap.put(Accounts._ID, Accounts._ID);
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mAccountsProjectionMap.put(Accounts.NAME, Accounts.NAME);
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}
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/**
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* This class helps open, create, and upgrade the database file.
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*/
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private static class DatabaseHelper extends SQLiteOpenHelper {
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DatabaseHelper(Context context) {
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super(context, DATABASE_NAME, null, DATABASE_VERSION);
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}
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@Override
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public void onCreate(SQLiteDatabase db) {
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db.execSQL("CREATE TABLE " + PublicKeys.TABLE_NAME + " (" +
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PublicKeys._ID + " " + PublicKeys._ID_type + "," +
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PublicKeys.KEY_ID + " " + PublicKeys.KEY_ID_type + ", " +
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PublicKeys.KEY_DATA + " " + PublicKeys.KEY_DATA_type + ", " +
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PublicKeys.WHO_ID + " " + PublicKeys.WHO_ID_type + ");");
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db.execSQL("CREATE TABLE " + SecretKeys.TABLE_NAME + " (" +
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SecretKeys._ID + " " + SecretKeys._ID_type + "," +
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SecretKeys.KEY_ID + " " + SecretKeys.KEY_ID_type + ", " +
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SecretKeys.KEY_DATA + " " + SecretKeys.KEY_DATA_type + ", " +
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SecretKeys.WHO_ID + " " + SecretKeys.WHO_ID_type + ");");
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db.execSQL("CREATE TABLE " + Accounts.TABLE_NAME + " (" +
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Accounts._ID + " " + Accounts._ID_type + "," +
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Accounts.NAME + " " + Accounts.NAME_type + ");");
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}
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@Override
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public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
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int currentVersion = oldVersion;
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while (currentVersion < newVersion) {
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switch (currentVersion) {
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default: {
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break;
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}
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}
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}
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}
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}
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@Override
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public boolean onCreate() {
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mdbHelper = new DatabaseHelper(getContext());
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return true;
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}
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@Override
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public Cursor query(Uri uri, String[] projection, String selection,
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String[] selectionArgs, String sortOrder) {
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SQLiteQueryBuilder qb = new SQLiteQueryBuilder();
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switch (mUriMatcher.match(uri)) {
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case PUBLIC_KEYS: {
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qb.setTables(PublicKeys.TABLE_NAME);
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qb.setProjectionMap(mPublicKeysProjectionMap);
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break;
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}
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case PUBLIC_KEY_ID: {
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qb.setTables(PublicKeys.TABLE_NAME);
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qb.setProjectionMap(mPublicKeysProjectionMap);
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qb.appendWhere(PublicKeys._ID + "=" + uri.getPathSegments().get(1));
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break;
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}
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case PUBLIC_KEY_BY_KEY_ID: {
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qb.setTables(PublicKeys.TABLE_NAME);
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qb.setProjectionMap(mPublicKeysProjectionMap);
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qb.appendWhere(PublicKeys.KEY_ID + "=" + uri.getPathSegments().get(2));
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break;
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}
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case SECRET_KEYS: {
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qb.setTables(SecretKeys.TABLE_NAME);
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qb.setProjectionMap(mSecretKeysProjectionMap);
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break;
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}
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case SECRET_KEY_ID: {
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qb.setTables(SecretKeys.TABLE_NAME);
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qb.setProjectionMap(mSecretKeysProjectionMap);
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qb.appendWhere(SecretKeys._ID + "=" + uri.getPathSegments().get(1));
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break;
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}
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case SECRET_KEY_BY_KEY_ID: {
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qb.setTables(SecretKeys.TABLE_NAME);
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qb.setProjectionMap(mSecretKeysProjectionMap);
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qb.appendWhere(SecretKeys.KEY_ID + "=" + uri.getPathSegments().get(2));
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break;
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}
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case ACCOUNTS: {
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qb.setTables(Accounts.TABLE_NAME);
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qb.setProjectionMap(mAccountsProjectionMap);
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break;
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}
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case ACCOUNT_ID: {
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qb.setTables(Accounts.TABLE_NAME);
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qb.setProjectionMap(mAccountsProjectionMap);
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qb.appendWhere(Accounts._ID + "=" + uri.getPathSegments().get(1));
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break;
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}
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default: {
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throw new IllegalArgumentException("Unknown URI " + uri);
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}
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}
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// If no sort order is specified use the default
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String orderBy;
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if (TextUtils.isEmpty(sortOrder)) {
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orderBy = PublicKeys.DEFAULT_SORT_ORDER;
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} else {
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orderBy = sortOrder;
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}
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// Get the database and run the query
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SQLiteDatabase db = mdbHelper.getReadableDatabase();
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Cursor c = qb.query(db, projection, selection, selectionArgs, null, null, orderBy);
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// Tell the cursor what uri to watch, so it knows when its source data
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// changes
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c.setNotificationUri(getContext().getContentResolver(), uri);
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return c;
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}
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@Override
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public String getType(Uri uri) {
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switch (mUriMatcher.match(uri)) {
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case PUBLIC_KEYS: {
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return PublicKeys.CONTENT_TYPE;
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}
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case PUBLIC_KEY_ID: {
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return PublicKeys.CONTENT_ITEM_TYPE;
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}
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case PUBLIC_KEY_BY_KEY_ID: {
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return PublicKeys.CONTENT_ITEM_TYPE;
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}
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case SECRET_KEYS: {
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return SecretKeys.CONTENT_TYPE;
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}
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case SECRET_KEY_ID: {
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return SecretKeys.CONTENT_ITEM_TYPE;
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}
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case SECRET_KEY_BY_KEY_ID: {
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return SecretKeys.CONTENT_ITEM_TYPE;
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}
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case ACCOUNTS: {
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return Accounts.CONTENT_TYPE;
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}
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case ACCOUNT_ID: {
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return Accounts.CONTENT_ITEM_TYPE;
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}
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default: {
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throw new IllegalArgumentException("Unknown URI " + uri);
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}
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}
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}
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@Override
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public Uri insert(Uri uri, ContentValues initialValues) {
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switch (mUriMatcher.match(uri)) {
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case PUBLIC_KEYS: {
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ContentValues values;
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if (initialValues != null) {
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values = new ContentValues(initialValues);
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} else {
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values = new ContentValues();
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}
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if (!values.containsKey(PublicKeys.WHO_ID)) {
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values.put(PublicKeys.WHO_ID, "");
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}
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SQLiteDatabase db = mdbHelper.getWritableDatabase();
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long rowId = db.insert(PublicKeys.TABLE_NAME, PublicKeys.WHO_ID, values);
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if (rowId > 0) {
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Uri transferUri = ContentUris.withAppendedId(PublicKeys.CONTENT_URI, rowId);
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getContext().getContentResolver().notifyChange(transferUri, null);
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return transferUri;
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}
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throw new SQLException("Failed to insert row into " + uri);
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}
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case SECRET_KEYS: {
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ContentValues values;
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if (initialValues != null) {
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values = new ContentValues(initialValues);
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} else {
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values = new ContentValues();
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}
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if (!values.containsKey(SecretKeys.WHO_ID)) {
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values.put(SecretKeys.WHO_ID, "");
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}
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SQLiteDatabase db = mdbHelper.getWritableDatabase();
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long rowId = db.insert(SecretKeys.TABLE_NAME, SecretKeys.WHO_ID, values);
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if (rowId > 0) {
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Uri transferUri = ContentUris.withAppendedId(SecretKeys.CONTENT_URI, rowId);
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getContext().getContentResolver().notifyChange(transferUri, null);
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return transferUri;
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}
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throw new SQLException("Failed to insert row into " + uri);
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}
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case ACCOUNTS: {
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ContentValues values;
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if (initialValues != null) {
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values = new ContentValues(initialValues);
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} else {
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values = new ContentValues();
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}
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SQLiteDatabase db = mdbHelper.getWritableDatabase();
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long rowId = db.insert(Accounts.TABLE_NAME, null, values);
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if (rowId > 0) {
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Uri transferUri = ContentUris.withAppendedId(Accounts.CONTENT_URI, rowId);
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getContext().getContentResolver().notifyChange(transferUri, null);
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return transferUri;
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}
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throw new SQLException("Failed to insert row into " + uri);
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}
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default: {
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throw new IllegalArgumentException("Unknown URI " + uri);
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}
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}
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}
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@Override
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public int delete(Uri uri, String where, String[] whereArgs) {
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SQLiteDatabase db = mdbHelper.getWritableDatabase();
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int count;
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switch (mUriMatcher.match(uri)) {
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case PUBLIC_KEYS: {
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count = db.delete(PublicKeys.TABLE_NAME, where, whereArgs);
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break;
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}
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case PUBLIC_KEY_ID: {
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String publicKeyId = uri.getPathSegments().get(1);
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count = db.delete(PublicKeys.TABLE_NAME,
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PublicKeys._ID + "=" + publicKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case PUBLIC_KEY_BY_KEY_ID: {
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String publicKeyKeyId = uri.getPathSegments().get(2);
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count = db.delete(PublicKeys.TABLE_NAME,
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PublicKeys.KEY_ID + "=" + publicKeyKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case SECRET_KEYS: {
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count = db.delete(SecretKeys.TABLE_NAME, where, whereArgs);
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break;
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}
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case SECRET_KEY_ID: {
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String secretKeyId = uri.getPathSegments().get(1);
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count = db.delete(SecretKeys.TABLE_NAME,
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SecretKeys._ID + "=" + secretKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case SECRET_KEY_BY_KEY_ID: {
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String secretKeyKeyId = uri.getPathSegments().get(2);
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count = db.delete(SecretKeys.TABLE_NAME,
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SecretKeys.KEY_ID + "=" + secretKeyKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case ACCOUNTS: {
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count = db.delete(Accounts.TABLE_NAME, where, whereArgs);
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break;
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}
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case ACCOUNT_ID: {
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String accountId = uri.getPathSegments().get(1);
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count = db.delete(Accounts.TABLE_NAME,
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Accounts._ID + "=" + accountId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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default: {
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throw new IllegalArgumentException("Unknown URI " + uri);
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}
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}
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getContext().getContentResolver().notifyChange(uri, null);
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return count;
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}
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@Override
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public int update(Uri uri, ContentValues values, String where, String[] whereArgs) {
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SQLiteDatabase db = mdbHelper.getWritableDatabase();
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int count;
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switch (mUriMatcher.match(uri)) {
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case PUBLIC_KEYS: {
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count = db.update(PublicKeys.TABLE_NAME, values, where, whereArgs);
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break;
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}
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case PUBLIC_KEY_ID: {
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String publicKeyId = uri.getPathSegments().get(1);
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count = db.update(PublicKeys.TABLE_NAME, values,
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PublicKeys._ID + "=" + publicKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case PUBLIC_KEY_BY_KEY_ID: {
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String publicKeyKeyId = uri.getPathSegments().get(2);
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count = db.update(PublicKeys.TABLE_NAME, values,
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PublicKeys.KEY_ID + "=" + publicKeyKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case SECRET_KEYS: {
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count = db.update(SecretKeys.TABLE_NAME, values, where, whereArgs);
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break;
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}
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case SECRET_KEY_ID: {
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String secretKeyId = uri.getPathSegments().get(1);
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count = db.update(SecretKeys.TABLE_NAME, values,
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SecretKeys._ID + "=" + secretKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case SECRET_KEY_BY_KEY_ID: {
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String secretKeyKeyId = uri.getPathSegments().get(2);
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count = db.update(SecretKeys.TABLE_NAME, values,
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SecretKeys.KEY_ID + "=" + secretKeyKeyId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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case ACCOUNTS: {
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count = db.update(Accounts.TABLE_NAME, values, where, whereArgs);
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break;
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}
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case ACCOUNT_ID: {
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String accountId = uri.getPathSegments().get(1);
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count = db.update(Accounts.TABLE_NAME, values,
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Accounts._ID + "=" + accountId +
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(!TextUtils.isEmpty(where) ?
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" AND (" + where + ')' : ""),
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whereArgs);
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break;
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}
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default: {
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throw new IllegalArgumentException("Unknown URI " + uri);
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}
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}
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getContext().getContentResolver().notifyChange(uri, null);
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return count;
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}
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}
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