| /* |
| * Copyright (C) 2020 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.ims.rcs.uce.presence.pidfparser; |
| |
| import android.util.Log; |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| import org.xmlpull.v1.XmlSerializer; |
| |
| import java.io.IOException; |
| |
| /** |
| * The base class of the pidf element. |
| */ |
| public abstract class ElementBase { |
| private String mNamespace; |
| private String mElementName; |
| |
| public ElementBase() { |
| mNamespace = initNamespace(); |
| mElementName = initElementName(); |
| } |
| |
| protected abstract String initNamespace(); |
| protected abstract String initElementName(); |
| |
| /** |
| * @return The namespace of this element |
| */ |
| public String getNamespace() { |
| return mNamespace; |
| } |
| |
| /** |
| * @return The name of this element. |
| */ |
| public String getElementName() { |
| return mElementName; |
| } |
| |
| public abstract void serialize(XmlSerializer serializer) throws IOException; |
| |
| public abstract void parse(XmlPullParser parser) throws IOException, XmlPullParserException; |
| |
| protected boolean verifyParsingElement(String namespace, String elementName) { |
| if (!getNamespace().equals(namespace) || !getElementName().equals(elementName)) { |
| return false; |
| } else { |
| return true; |
| } |
| } |
| |
| // Move to the end tag of this element |
| protected void moveToElementEndTag(XmlPullParser parser, int type) |
| throws IOException, XmlPullParserException { |
| int eventType = type; |
| |
| // Move to the end tag of this element. |
| while(!(eventType == XmlPullParser.END_TAG |
| && getNamespace().equals(parser.getNamespace()) |
| && getElementName().equals(parser.getName()))) { |
| eventType = parser.next(); |
| |
| // Leave directly if the event type is the end of the document. |
| if (eventType == XmlPullParser.END_DOCUMENT) { |
| return; |
| } |
| } |
| } |
| } |