Parser.java

package tw.fatminmin.intentparser;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class Parser {
	
	List<String> typeList;
	String seperateLine = "-----------------------------------------------------------";
	
	public void parseDirectory(File dir) {
		for(File file : dir.listFiles()) {
			if(file.isDirectory()) {
				parseDirectory(file);
			}
			else {
				if(file.getName().contains("smali")) {
					parseFile(file);
				}
			}
		}
	}
	
	public void parseFile(File file) {
		
		boolean first = true;
		
		
		BufferedReader br;
		Map<String, String> variableMap = new HashMap<String, String>();
		typeList = getTypeList();
		
		try {
			br = new BufferedReader(new InputStreamReader(new FileInputStream(file)));
			String line;
			int parameterNum = 0;
			while((line = br.readLine()) != null) {
				line = line.trim();
				
				
				if(line.contains("Intent;-><init>")) {
					if(first) {
						first = false;
						System.out.println("File: " + file.getPath());
						System.out.println(seperateLine);
					}
					System.out.println(line);
					for(Map.Entry<String, String> entry : variableMap.entrySet()) {
						if(line.contains(entry.getKey())) {
							System.out.println(entry.getKey() + " " + entry.getValue());
						}
					}
					System.out.println(seperateLine);
				}
				else if(isVarDecl(line)) {
					
					String[] arr = line.split("\\s+");
					String variable, value;
					
					variable = arr[1].substring(0, arr[1].indexOf(','));
					value = arr[2];
					
					variableMap.put(variable, value);
				}
				else if(isParameterDecl(line)) {
					if(line.split("\\s+").length > 1) {
						String var = "p" + (++parameterNum);
						String value = line.split("\\s+")[1];
						variableMap.put(var, value);
					}
				}
			}
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	private boolean isVarDecl(String line) {
		for(String type : typeList) {
			if(line.contains(type)) {
				return true;
			}
		}
		return false;
	}
	private boolean isParameterDecl(String line) {
		return line.contains(".parameter");
	}
	
	private List<String> getTypeList() {
		List<String> list = new ArrayList<String>();
		list.add("const-string");
		list.add("const-class");
		list.add("new-instance");
		return list;
	}
}