| /* |
| * Copyright (C) 2013 Samsung System LSI |
| * 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.bluetooth.map; |
| |
| import android.util.Log; |
| import android.util.Xml; |
| |
| import com.android.bluetooth.DeviceWorkArounds; |
| import com.android.internal.util.FastXmlSerializer; |
| |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.IOException; |
| import java.io.StringWriter; |
| import java.io.UnsupportedEncodingException; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| |
| public class BluetoothMapMessageListing { |
| private boolean mHasUnread = false; |
| private static final String TAG = "BluetoothMapMessageListing"; |
| private static final boolean D = BluetoothMapService.DEBUG; |
| |
| private List<BluetoothMapMessageListingElement> mList; |
| |
| public BluetoothMapMessageListing() { |
| mList = new ArrayList<BluetoothMapMessageListingElement>(); |
| } |
| |
| public void add(BluetoothMapMessageListingElement element) { |
| mList.add(element); |
| /* update info regarding whether the list contains unread messages */ |
| if (!element.getReadBool()) { |
| mHasUnread = true; |
| } |
| } |
| |
| /** |
| * Used to fetch the number of BluetoothMapMessageListingElement elements in the list. |
| * @return the number of elements in the list. |
| */ |
| public int getCount() { |
| if (mList != null) { |
| return mList.size(); |
| } |
| return 0; |
| } |
| |
| /** |
| * does the list contain any unread messages |
| * @return true if unread messages have been added to the list, else false |
| */ |
| public boolean hasUnread() { |
| return mHasUnread; |
| } |
| |
| |
| /** |
| * returns the entire list as a list |
| * @return list |
| */ |
| public List<BluetoothMapMessageListingElement> getList() { |
| return mList; |
| } |
| |
| /** |
| * Encode the list of BluetoothMapMessageListingElement(s) into a UTF-8 |
| * formatted XML-string in a trimmed byte array |
| * |
| * @param version the version as a string. |
| * Set the listing version to e.g. "1.0" or "1.1". |
| * To make this future proof, no check is added to validate the value, hence be careful. |
| * @return a reference to the encoded byte array. |
| * @throws UnsupportedEncodingException |
| * if UTF-8 encoding is unsupported on the platform. |
| */ |
| // TODO: Remove includeThreadId when MAP-IM is adopted |
| public byte[] encode(boolean includeThreadId, String version) |
| throws UnsupportedEncodingException { |
| StringWriter sw = new StringWriter(); |
| XmlSerializer xmlMsgElement = null; |
| boolean isBenzCarkit = DeviceWorkArounds.addressStartsWith( |
| BluetoothMapService.getRemoteDevice().getAddress(), |
| DeviceWorkArounds.MERCEDES_BENZ_CARKIT); |
| try { |
| if (isBenzCarkit) { |
| Log.d(TAG, "java_interop: Remote is Mercedes Benz, " |
| + "using Xml Workaround."); |
| xmlMsgElement = Xml.newSerializer(); |
| xmlMsgElement.setOutput(sw); |
| xmlMsgElement.text("\n"); |
| } else { |
| xmlMsgElement = new FastXmlSerializer(0); |
| xmlMsgElement.setOutput(sw); |
| xmlMsgElement.startDocument("UTF-8", true); |
| xmlMsgElement.setFeature( |
| "http://xmlpull.org/v1/doc/features.html#indent-output", true); |
| } |
| xmlMsgElement.startTag(null, "MAP-msg-listing"); |
| xmlMsgElement.attribute(null, "version", version); |
| // Do the XML encoding of list |
| for (BluetoothMapMessageListingElement element : mList) { |
| element.encode(xmlMsgElement, includeThreadId); // Append the list element |
| } |
| xmlMsgElement.endTag(null, "MAP-msg-listing"); |
| xmlMsgElement.endDocument(); |
| } catch (IllegalArgumentException e) { |
| Log.w(TAG, e); |
| } catch (IllegalStateException e) { |
| Log.w(TAG, e); |
| } catch (IOException e) { |
| Log.w(TAG, e); |
| } |
| /* Fix IOT issue to replace '&' by '&', < by < and '> by '>' in MessageListing */ |
| if (DeviceWorkArounds.addressStartsWith(BluetoothMapService.getRemoteDevice().getAddress(), |
| DeviceWorkArounds.BREZZA_ZDI_CARKIT)) { |
| return sw.toString() |
| .replaceAll("&", "&") |
| .replaceAll("<", "<") |
| .replaceAll(">", ">") |
| .getBytes("UTF-8"); |
| } |
| return sw.toString().getBytes("UTF-8"); |
| } |
| |
| public void sort() { |
| Collections.sort(mList); |
| } |
| |
| public void segment(int count, int offset) { |
| count = Math.min(count, mList.size() - offset); |
| if (count > 0) { |
| mList = mList.subList(offset, offset + count); |
| if (mList == null) { |
| mList = new ArrayList<BluetoothMapMessageListingElement>(); // Return an empty list |
| } |
| } else { |
| if (offset > mList.size()) { |
| mList = new ArrayList<BluetoothMapMessageListingElement>(); |
| Log.d(TAG, "offset greater than list size. Returning empty list"); |
| } else { |
| mList = mList.subList(offset, mList.size()); |
| } |
| } |
| } |
| } |