/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. *//* * The Original Code is HAT. The Initial Developer of the * Original Code is Bill Foote, with contributions from others * at JavaSoft/Sun. */package com.sun.tools.hat.internal.server;import com.sun.tools.hat.internal.model.JavaClass;import com.sun.tools.hat.internal.model.Snapshot;import java.util.LinkedList;import java.io.InputStream;import java.io.Reader;import java.io.InputStreamReader;import java.io.BufferedReader;import java.io.IOException;/** * This class is a helper that determines if a class is a "platform" * class or not. It's a platform class if its name starts with one of * the prefixes to be found in /com/sun/tools/hat/resources/platform_names.txt. * * @author Bill Foote */public class PlatformClasses { static String[] names = null; public static synchronized String[] getNames() { if (names == null) { LinkedList<String> list = new LinkedList<String>(); InputStream str = PlatformClasses.class .getResourceAsStream("/com/sun/tools/hat/resources/platform_names.txt"); if (str != null) { try { BufferedReader rdr = new BufferedReader(new InputStreamReader(str)); for (;;) { String s = rdr.readLine(); if (s == null) { break; } else if (s.length() > 0) { list.add(s); } } rdr.close(); str.close(); } catch (IOException ex) { ex.printStackTrace(); // Shouldn't happen, and if it does, continuing // is the right thing to do anyway. } } names = list.toArray(new String[list.size()]); } return names; } public static boolean isPlatformClass(JavaClass clazz) { // all classes loaded by bootstrap loader are considered // platform classes. In addition, the older name based filtering // is also done for compatibility. if (clazz.isBootstrap()) { return true; } String name = clazz.getName(); // skip even the array classes of the skipped classes. if (name.startsWith("[")) { int index = name.lastIndexOf('['); if (index != -1) { if (name.charAt(index + 1) != 'L') { // some primitive array. return true; } // skip upto 'L' after the last '['. name = name.substring(index + 2); } } String[] nms = getNames(); for (int i = 0; i < nms.length; i++) { if (name.startsWith(nms[i])) { return true; } } return false; }}
/*
* Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* The Original Code is HAT. The Initial Developer of the
* Original Code is Bill Foote, with contributions from others
* at JavaSoft/Sun.
*/
package com.sun.tools.hat.internal.server;
import com.sun.tools.hat.internal.model.JavaClass;
import com.sun.tools.hat.internal.model.Snapshot;
import java.util.LinkedList;
import java.io.InputStream;
import java.io.Reader;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.IOException;
/**
* This class is a helper that determines if a class is a "platform"
* class or not. It's a platform class if its name starts with one of
* the prefixes to be found in /com/sun/tools/hat/resources/platform_names.txt.
*
* @author Bill Foote
*/
public class PlatformClasses {
static String[] names = null;
public static synchronized String[] getNames() {
if (names == null) {
LinkedList<String> list = new LinkedList<String>();
InputStream str
= PlatformClasses.class
.getResourceAsStream("/com/sun/tools/hat/resources/platform_names.txt");
if (str != null) {
try {
BufferedReader rdr
= new BufferedReader(new InputStreamReader(str));
for (;;) {
String s = rdr.readLine();
if (s == null) {
break;
} else if (s.length() > 0) {
list.add(s);
}
}
rdr.close();
str.close();
} catch (IOException ex) {
ex.printStackTrace();
// Shouldn't happen, and if it does, continuing
// is the right thing to do anyway.
}
}
names = list.toArray(new String[list.size()]);
}
return names;
}
public static boolean isPlatformClass(JavaClass clazz) {
// all classes loaded by bootstrap loader are considered
// platform classes. In addition, the older name based filtering
// is also done for compatibility.
if (clazz.isBootstrap()) {
return true;
}
String name = clazz.getName();
// skip even the array classes of the skipped classes.
if (name.startsWith("[")) {
int index = name.lastIndexOf('[');
if (index != -1) {
if (name.charAt(index + 1) != 'L') {
// some primitive array.
return true;
}
// skip upto 'L' after the last '['.
name = name.substring(index + 2);
}
}
String[] nms = getNames();
for (int i = 0; i < nms.length; i++) {
if (name.startsWith(nms[i])) {
return true;
}
}
return false;
}
}