Java Exception 捕获和展示(二)
试
*/
public void test(){
try {
String content = readFile();
System.out.println(content);
String regEx = "Caused by:(.*)";
Pattern pat = Pattern.compile(regEx);
Matcher mat = pat.matcher(content);
boolean rs = mat.find();
System.out.println("found " + rs);
System.out.println(mat.group(1));
// for(int i=1;i<=mat.groupCount();i++){
// System.out.println("found:" + mat.group(i));
// }
} catch (Exception e) {
e.printStackTrace();
}
}
public void test2(){
try {
FileInputStream fis = new FileInputStream("d:\\test.txt");
fis.read();
} catch (Exception e) {
e.printStackTrace();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
e.printStackTrace(new PrintStream(baos));
String exception = baos.toString();
System.out.println("exception:" + exception);
}
}
public static void main(String[] args) {
RegexpTest rt = new RegexpTest();
//rt.test();
rt.test2();
}