Android黑群出品：对pull进行封装，可直接解析xml

android解析xml比较麻烦，针对每个xml文件，需要有专门的xml解析类。
现对pull进行了简单的封装，不用再给每个xml创建解析类，可以直接解析xml。

能解析的xml形式主要有如下几种，其他复杂格式暂未支持。
1、支持简单的列表解析
2、支持简单的对象解析
3、支持对象中包含List列表的解析

主要代码如下：

package com.juziku.demo.xml;import java.io.InputStream;import java.lang.reflect.Field;import java.lang.reflect.ParameterizedType;import java.lang.reflect.Type;import java.util.ArrayList;import java.util.List;import org.xmlpull.v1.XmlPullParser;import android.util.Log;import android.util.Xml;/*** 对pull解析xml进行了封装，不用给每个xml，再创建一个解析类** @author steven** http://www.juziku.com/sunlightcs/**/public class XmlParse {/*** 解析XML* @param is xml字节流* @param clazz 字节码 如：Object.class* @param startName 开始位置* @return 返回List列表*/@SuppressWarnings({ "rawtypes", "unchecked" })public List getXmlList(InputStream is, Class<?> clazz, String startName) {List list = null;XmlPullParser parser = Xml.newPullParser();Object object = null;try {parser.setInput(is, "UTF-8");//事件类型int eventType = parser.getEventType();while (eventType != XmlPullParser.END_DOCUMENT) {switch (eventType) {case XmlPullParser.START_DOCUMENT:list = new ArrayList<Object>();break;case XmlPullParser.START_TAG://获得当前节点元素的名称String name = parser.getName();if (startName.equals(name)) {object = clazz.newInstance();//判断标签里是否有属性，如果有，则全部解析出来int count = parser.getAttributeCount();for(int i=0; i<count; i++)setXmlValue(object, parser.getAttributeName(i), parser.getAttributeValue(i));} else if (object != null) {setXmlValue(object, name, parser.nextText());}break;case XmlPullParser.END_TAG:if (startName.equals(parser.getName())) {list.add(object);object = null;}break;}eventType = parser.next();}} catch (Exception e) {Log.e("xml pull error", e.toString());}return list;}/*** 解析XML* @param is xml字节流* @param clazz 字节码 如：Object.class* @return 返回Object*/@SuppressWarnings({ "unchecked", "rawtypes" })public Object getXmlObject(InputStream is, Class<?> clazz) {XmlPullParser parser = Xml.newPullParser();Object object = null;List list = null;Object subObject = null;String subName = null;try {parser.setInput(is, "UTF-8");//事件类型int eventType = parser.getEventType();while (eventType != XmlPullParser.END_DOCUMENT) {switch (eventType) {case XmlPullParser.START_DOCUMENT:object = clazz.newInstance();break;case XmlPullParser.START_TAG://获得当前节点元素的名称String name = parser.getName();Field[] f = null;if(subObject == null){f = object.getClass().getDeclaredFields();//判断标签里是否有属性，如果有，则全部解析出来int count = parser.getAttributeCount();for(int j=0; j<count; j++)setXmlValue(object, parser.getAttributeName(j), parser.getAttributeValue(j));}else{f = subObject.getClass().getDeclaredFields();}for(int i = 0; i < f.length; i++){if(f[i].getName().equalsIgnoreCase(name)){//判断是不是List类型if(f[i].getType().getName().equals("java.util.List")){Type type = f[i].getGenericType();if (type instanceof ParameterizedType) {//获得泛型参数的实际类型Class<?> subClazz = (Class<?>)((ParameterizedType)type).getActualTypeArguments()[0];subObject = subClazz.newInstance();subName = f[i].getName();//判断标签里是否有属性，如果有，则全部解析出来int count = parser.getAttributeCount();for(int j=0; j<count; j++)setXmlValue(subObject, parser.getAttributeName(j), parser.getAttributeValue(j));if(list == null){list = new ArrayList<Object>();f[i].setAccessible(true);f[i].set(object, list);}}}else{ //普通属性if(subObject != null){setXmlValue(subObject, name, parser.nextText());}else{setXmlValue(object, name, parser.nextText());}}break;}}break;case XmlPullParser.END_TAG:if (subObject != null && subName.equalsIgnoreCase(parser.getName())) {list.add(subObject);subObject = null;subName = null;}break;}eventType = parser.next();}} catch (Exception e) {Log.e("xml pull error", e.getMessage());}return object;}/*** 把xml标签的值，转换成对象里属性的值* @param t 对象* @param name xml标签名* @param value xml标签名对应的值*/private void setXmlValue(Object t, String name, String value){try {Field[] f = t.getClass().getDeclaredFields();for(int i = 0; i < f.length; i++){if(f[i].getName().equalsIgnoreCase(name)){f[i].setAccessible(true);//获得属性类型Class<?> fieldType = f[i].getType();if(fieldType == String.class) {f[i].set(t, value);}else if(fieldType == Integer.TYPE) {f[i].set(t, Integer.parseInt(value));}else if(fieldType == Float.TYPE) {f[i].set(t, Float.parseFloat(value));}else if(fieldType == Double.TYPE) {f[i].set(t, Double.parseDouble(value));}else if(fieldType == Long.TYPE) {f[i].set(t, Long.parseLong(value));}else if(fieldType == Short.TYPE) {f[i].set(t, Short.parseShort(value));}else if(fieldType == Boolean.TYPE) {f[i].set(t, Boolean.parseBoolean(value));}else{f[i].set(t, value);}}}} catch (Exception e) {Log.e("xml error", e.toString());}}}

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http://www.juziku.com/sunlightcs/wiki/4489.htm

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