package com.github.lazylibrary.util;
import android.util.Log;
import android.util.Xml;
import java.io.StringReader;
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;
/**
* 作者:Administrator on 2016/6/16 11:11
* 邮箱:906514731@qq.com
* 对pull解析xml进行了封装,不用给每个xml,再创建一个对应的解析类
*/
public class XmlParseUtiles {
/**
* 解析XML
*
* @param 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 static List getXmlList(String XML, Class<?> clazz, String startName) {
List list = null;
XmlPullParser parser = Xml.newPullParser();
Object object = null;
try {
StringReader stringReader = new StringReader(XML);
parser.setInput(stringReader);
//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 static Object getXmlObject(String is, Class<?> clazz) {
XmlPullParser parser = Xml.newPullParser();
Object object = null;
List list = null;
Object subObject = null;
String subName = null;
try {
StringReader stringReader = new StringReader(is);
parser.setInput(stringReader);
//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", "exception");
e.printStackTrace();
}
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 static 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());
}
}
}