Java解析AndroidManifest文件获取包名入口点权限等信息

package ch;

import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;

public class ParseManifest {

public static void main(String[] args){
    ParseManifest a = new ParseManifest();
    a.xmlHandle("D:/hhmt/AndroidManifest.xml");
    output(a);
}


private String appPackage;
private List permissions = new ArrayList();
private List activities = new ArrayList();



/**
 * 解析入口activity
 * @param doc
 * @return
 */
public  String findLaucherActivity(Document doc){
    Node activity = null;
    String sTem = "";
    NodeList categoryList = doc.getElementsByTagName("category");
    for(int i = 0; i < categoryList.getLength(); i++){
            Node category = categoryList.item(i);
            NamedNodeMap attrs  =category.getAttributes();
            for(int j = 0; j < attrs.getLength(); j++){
                if(attrs.item(j).getNodeName() == "android:name"){
                    if(attrs.item(j).getNodeValue().equals("android.intent.category.LAUNCHER")){
                        activity = category.getParentNode().getParentNode();
                        break;
                    }
                }
            }       
    }
    if(activity != null){
        NamedNodeMap attrs  =activity.getAttributes();
        for(int j = 0; j < attrs.getLength(); j++){
            if(attrs.item(j).getNodeName() == "android:name"){
                sTem = attrs.item(j).getNodeValue();
            }
        }
    }
    return sTem;
}

/**
 * 解析入口
 * @param filePath
 */
public  void xmlHandle(String filePath){
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    try {
        // 创建DocumentBuilder对象
        DocumentBuilder db = dbf.newDocumentBuilder();
        
        //加载xml文件
        Document document = db.parse(filePath);
        NodeList permissionList = document.getElementsByTagName("uses-permission");
        NodeList activityAll = document.getElementsByTagName("activity");
        
        //获取权限列表
        for (int i = 0; i < permissionList.getLength(); i++) {
            Node permission = permissionList.item(i);
            permissions.add((permission.getAttributes()).item(0).getNodeValue());
        }
        
        //获取activity列表
        appPackage = (findPackage(document));
        for(int i = 0; i < activityAll.getLength(); i++){
            Node activity = activityAll.item(i);
            NamedNodeMap attrs  =activity.getAttributes();
            for(int j = 0; j < attrs.getLength(); j++){
                if(attrs.item(j).getNodeName() == "android:name"){
                    String sTem = attrs.item(j).getNodeValue();
                    if(sTem.startsWith(".")){
                        sTem = appPackage+sTem;
                    }
                    activities.add(sTem);
                }
            }
        }   
        String s = findLaucherActivity(document);
        if(s.startsWith(".")){
            s = appPackage+s;
        }
        //移动入口类至首位
        activities.remove(s);
        activities.add(0, s);
    } catch (ParserConfigurationException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();     
    } catch (SAXException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    } catch (IOException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }   
}
public static void output(ParseManifest a){
    System.out.println("packageName:"+a.appPackage);
    System.out.println("permissions("+a.permissions.size()+"):");
    for(int i = 0; i < a.permissions.size(); i++){
        System.out.println(a.permissions.get(i));
    }
    
    System.out.println("activities("+a.activities.size()+"):");
    for(int i = 0; i < a.activities.size(); i++){
        System.out.println(a.activities.get(i));
    }
}
/**
 * 解析包名
 * 
 * @param doc
 * @return
 */
public static String findPackage(Document doc) {
    Node node = doc.getFirstChild();
    NamedNodeMap attrs = node.getAttributes();
    for (int i = 0; i < attrs.getLength(); i++) {
        if (attrs.item(i).getNodeName() == "package") {
            return attrs.item(i).getNodeValue();
        }
    }
    return null;
}

}