ClassFilepublic class ClassFile extends Object
| Fields Summary |
|---|
| public String | fileName | | public boolean | didRead | | public Exception | failureMode | | public boolean | verbose | | public ClassInfo | clas | | PrintStream | log | | InputStream | istream | | int | minorID | | int | majorID |
| Constructors Summary |
|---|
public ClassFile(String name, boolean v)
fileName = name;
verbose = v;
clas = new ClassInfo( v );
istream = null;
| public ClassFile(String name, InputStream i, boolean v)
fileName = name;
verbose = v;
clas = new ClassInfo( v );
istream = i;
|
| Methods Summary |
|---|
| public void | dump(java.io.PrintStream o)
o.println(Localizer.getString("classfile.file", fileName));
if ( ! didRead ){
o.println(Localizer.getString(
"classfile.could_not_be_read_because_of",
failureMode));
if ( failureMode != null ) // IMPL_NOTE: consider whether this
// should be fixed
failureMode.printStackTrace( o );
return;
}
clas.dump( o );
| | public static void | main(java.lang.String[] clist)
for( int i = 0; i < clist.length; i++ ){
ClassFile f = new ClassFile( clist[i], true );
if (f.readClassFile( null ) != true ){
System.out.println(Localizer.getString(
"classfile.read_of",
clist[i]));
f.dump( System.out );
continue;
}
f.clas.countReferences( true );
f.dump( System.out );
}
| | public boolean | readClassFile(ConstantPool t)
DataInputStream in = null;
failureMode = null;
done:
try {
int magic;
if ( istream == null ){
istream = new java.io.BufferedInputStream( new java.io.FileInputStream( fileName ) );
}
in = new DataInputStream( istream );
if ((magic = in.readInt()) != Const.JAVA_MAGIC) {
failureMode = new IOException(Localizer.getString("classfile.bad_magic.ioexception"));
break done; // bad magic -- bail immediately.
}
minorID = in.readShort();
majorID = in.readShort();
//if (minorID != Const.JAVA_MINOR_VERSION) {
// failureMode = new IOException(Localizer.getString("classfile.bad_minor_version_number.ioexception"));
// break done; // bad magic -- bail immediately.
//}
//
//if (majorID != Const.JAVA_VERSION) {
// failureMode = new IOException(Localizer.getString("classfile.bad_major_version_number.ioexception"));
// break done; // bad magic -- bail immediately.
//}
if(verbose){
log.println(Localizer.getString("classfile._file", fileName)+
Localizer.getString("classfile._magic/major/minor",
Integer.toHexString( magic ),
Integer.toHexString( majorID ),
Integer.toHexString( minorID )));
}
clas.read( in, true, t );
didRead = true;
} catch ( Exception e ){
failureMode = e;
}
if ( in != null ){
try{
in.close();
} catch ( IOException e ){
if (didRead==true){
didRead=false;
failureMode=e;
}
}
}
return didRead;
|
|
