| /* |
| * Copyright (C) 2009 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.android.vcard; |
| |
| import android.accounts.Account; |
| import android.text.TextUtils; |
| import android.util.Base64; |
| import android.util.Log; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.List; |
| |
| /** |
| * <p> |
| * The {@link VCardInterpreter} implementation which enables {@link VCardEntryHandler} objects |
| * to easily handle each vCard entry. |
| * </p> |
| * <p> |
| * This class understand details inside vCard and translates it to {@link VCardEntry}. |
| * Then the class throw it to {@link VCardEntryHandler} registered via |
| * {@link #addEntryHandler(VCardEntryHandler)}, so that all those registered objects |
| * are able to handle the {@link VCardEntry} object. |
| * </p> |
| * <p> |
| * If you want to know the detail inside vCard, it would be better to implement |
| * {@link VCardInterpreter} directly, instead of relying on this class and |
| * {@link VCardEntry} created by the object. |
| * </p> |
| */ |
| public class VCardEntryConstructor implements VCardInterpreter { |
| private static String LOG_TAG = VCardConstants.LOG_TAG; |
| |
| /** |
| * Represents current stack of VCardEntry. Used to support nested vCard (vCard 2.1). |
| */ |
| private final List<VCardEntry> mEntryStack = new ArrayList<VCardEntry>(); |
| private VCardEntry mCurrentEntry; |
| |
| private final int mVCardType; |
| private final Account mAccount; |
| |
| private final List<VCardEntryHandler> mEntryHandlers = new ArrayList<VCardEntryHandler>(); |
| |
| public VCardEntryConstructor() { |
| this(VCardConfig.VCARD_TYPE_V21_GENERIC, null, null); |
| } |
| |
| public VCardEntryConstructor(final int vcardType) { |
| this(vcardType, null, null); |
| } |
| |
| public VCardEntryConstructor(final int vcardType, final Account account) { |
| this(vcardType, account, null); |
| } |
| |
| /** |
| * @deprecated targetCharset is not used anymore. |
| * Use {@link #VCardEntryConstructor(int, Account)} |
| */ |
| @Deprecated |
| public VCardEntryConstructor(final int vcardType, final Account account, |
| String targetCharset) { |
| mVCardType = vcardType; |
| mAccount = account; |
| } |
| |
| public void addEntryHandler(VCardEntryHandler entryHandler) { |
| mEntryHandlers.add(entryHandler); |
| } |
| |
| @Override |
| public void onVCardStarted() { |
| for (VCardEntryHandler entryHandler : mEntryHandlers) { |
| entryHandler.onStart(); |
| } |
| } |
| |
| @Override |
| public void onVCardEnded() { |
| for (VCardEntryHandler entryHandler : mEntryHandlers) { |
| entryHandler.onEnd(); |
| } |
| } |
| |
| public void clear() { |
| mCurrentEntry = null; |
| mEntryStack.clear(); |
| } |
| |
| @Override |
| public void onEntryStarted() { |
| mCurrentEntry = new VCardEntry(mVCardType, mAccount); |
| mEntryStack.add(mCurrentEntry); |
| } |
| |
| @Override |
| public void onEntryEnded() { |
| mCurrentEntry.consolidateFields(); |
| for (VCardEntryHandler entryHandler : mEntryHandlers) { |
| entryHandler.onEntryCreated(mCurrentEntry); |
| } |
| |
| final int size = mEntryStack.size(); |
| if (size > 1) { |
| VCardEntry parent = mEntryStack.get(size - 2); |
| parent.addChild(mCurrentEntry); |
| mCurrentEntry = parent; |
| } else { |
| mCurrentEntry = null; |
| } |
| mEntryStack.remove(size - 1); |
| } |
| |
| @Override |
| public void onPropertyCreated(VCardProperty property) { |
| mCurrentEntry.addProperty(property); |
| } |
| } |