--- a/jdk/src/java.base/share/classes/sun/misc/Resource.java Fri Mar 25 13:47:21 2016 -0700
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,188 +0,0 @@
-/*
- * Copyright (c) 1998, 2009, 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.
- */
-
-package sun.misc;
-
-import java.io.EOFException;
-import java.net.URL;
-import java.io.IOException;
-import java.io.InterruptedIOException;
-import java.io.InputStream;
-import java.security.CodeSigner;
-import java.util.jar.Manifest;
-import java.nio.ByteBuffer;
-import java.util.Arrays;
-import sun.nio.ByteBuffered;
-
-/**
- * This class is used to represent a Resource that has been loaded
- * from the class path.
- *
- * @author David Connelly
- * @since 1.2
- */
-public abstract class Resource {
- /**
- * Returns the name of the Resource.
- */
- public abstract String getName();
-
- /**
- * Returns the URL of the Resource.
- */
- public abstract URL getURL();
-
- /**
- * Returns the CodeSource URL for the Resource.
- */
- public abstract URL getCodeSourceURL();
-
- /**
- * Returns an InputStream for reading the Resource data.
- */
- public abstract InputStream getInputStream() throws IOException;
-
- /**
- * Returns the length of the Resource data, or -1 if unknown.
- */
- public abstract int getContentLength() throws IOException;
-
- private InputStream cis;
-
- /* Cache result in case getBytes is called after getByteBuffer. */
- private synchronized InputStream cachedInputStream() throws IOException {
- if (cis == null) {
- cis = getInputStream();
- }
- return cis;
- }
-
- /**
- * Returns the Resource data as an array of bytes.
- */
- public byte[] getBytes() throws IOException {
- byte[] b;
- // Get stream before content length so that a FileNotFoundException
- // can propagate upwards without being caught too early
- InputStream in = cachedInputStream();
-
- // This code has been uglified to protect against interrupts.
- // Even if a thread has been interrupted when loading resources,
- // the IO should not abort, so must carefully retry, failing only
- // if the retry leads to some other IO exception.
-
- boolean isInterrupted = Thread.interrupted();
- int len;
- for (;;) {
- try {
- len = getContentLength();
- break;
- } catch (InterruptedIOException iioe) {
- Thread.interrupted();
- isInterrupted = true;
- }
- }
-
- try {
- b = new byte[0];
- if (len == -1) len = Integer.MAX_VALUE;
- int pos = 0;
- while (pos < len) {
- int bytesToRead;
- if (pos >= b.length) { // Only expand when there's no room
- bytesToRead = Math.min(len - pos, b.length + 1024);
- if (b.length < pos + bytesToRead) {
- b = Arrays.copyOf(b, pos + bytesToRead);
- }
- } else {
- bytesToRead = b.length - pos;
- }
- int cc = 0;
- try {
- cc = in.read(b, pos, bytesToRead);
- } catch (InterruptedIOException iioe) {
- Thread.interrupted();
- isInterrupted = true;
- }
- if (cc < 0) {
- if (len != Integer.MAX_VALUE) {
- throw new EOFException("Detect premature EOF");
- } else {
- if (b.length != pos) {
- b = Arrays.copyOf(b, pos);
- }
- break;
- }
- }
- pos += cc;
- }
- } finally {
- try {
- in.close();
- } catch (InterruptedIOException iioe) {
- isInterrupted = true;
- } catch (IOException ignore) {}
-
- if (isInterrupted) {
- Thread.currentThread().interrupt();
- }
- }
- return b;
- }
-
- /**
- * Returns the Resource data as a ByteBuffer, but only if the input stream
- * was implemented on top of a ByteBuffer. Return {@code null} otherwise.
- * @return Resource data or null.
- */
- public ByteBuffer getByteBuffer() throws IOException {
- InputStream in = cachedInputStream();
- if (in instanceof ByteBuffered) {
- return ((ByteBuffered)in).getByteBuffer();
- }
- return null;
- }
-
- /**
- * Returns the Manifest for the Resource, or null if none.
- */
- public Manifest getManifest() throws IOException {
- return null;
- }
-
- /**
- * Returns theCertificates for the Resource, or null if none.
- */
- public java.security.cert.Certificate[] getCertificates() {
- return null;
- }
-
- /**
- * Returns the code signers for the Resource, or null if none.
- */
- public CodeSigner[] getCodeSigners() {
- return null;
- }
-}