Android pull parsing xml method

private String pullParseXml(InputStream inputStream) {
		String result = "";
		//解析全部的xml
		boolean isParse = true;
		try {
			// 创建一个xmlPullParser的工厂
			XmlPullParserFactory factory = XmlPullParserFactory.newInstance();
			// 获取一个解析实例
			XmlPullParser parse = factory.newPullParser();
			// 设置输入流的编码格式
			parse.setInput(inputStream, "UTF-8");
			// 当前事件的类型
			int eventType = parse.getEventType();
			while (XmlPullParser.END_DOCUMENT != eventType) {
				// 当前节点的名称
				String nodeName = parse.getName();
				switch (eventType) {
				case XmlPullParser.START_TAG:
					if ("group".equals(nodeName)) {
						// 解析<group>节点中的属性值,getAttributeCount()获取属性的个数
						for (int i = 0; i < parse.getAttributeCount(); i++) {
							// 属性名称
							String groupName = parse.getAttributeName(i);
							// 属性名称对应的值
							String nameValue = parse.getAttributeValue(i);
							result = result + groupName + " = " + nameValue;
						}
						result += "\n";
					} else if ("person".equals(nodeName)) {
						String personName = parse.getAttributeValue(0);
						String age = parse.getAttributeValue(1);
						result = result + "personName = " + personName
								+ "age =" + age + "\n";
					} else if ("chinese".equals(nodeName)) {
						//节点对应的文本
						String chinese = parse.nextText();
						Pattern p = Pattern.compile("\\s*|\t|\r|\n");
						Matcher m = p.matcher(chinese);
						chinese = m.replaceAll("");

						result = result + "chinese = " + chinese;
					} else if ("english".equals(nodeName)) {
						String english = parse.nextText();

						Pattern p = Pattern.compile("\\s*|\t|\r|\n");
						Matcher m = p.matcher(english);
						english = m.replaceAll("");

						result = result + "english = " + english + "\n";
					}
					break;
				case XmlPullParser.END_TAG:
					//在解析到一个group节点完成时，退出解析xml文件
//					if("group".equals(nodeName)){
//						eventType = XmlPullParser.END_DOCUMENT; 
//						isParse = false;
//					}
					break;
				default:
					break;
				}
				//整个xml文件全部解析
				if(isParse){
					eventType = parse.next();
				}
			}
		} catch (XmlPullParserException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}

		return result;
	}

//在解析到一个group节点完成时，退出解析xml文件
//					if("group".equals(nodeName)){
//						eventType = XmlPullParser.END_DOCUMENT; 
//						isParse = false;
//					}

eventType = XmlPullParser.END_DOCUMENT;