feat(jdk8): move files to new folder to avoid resources compiled.

jdkSrc/jdk8/sun/net/www/protocol/jar/Handler.java

@@ -0,0 +1,222 @@
+/*
+ * Copyright (c) 1997, 2019, 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.net.www.protocol.jar;
+
+import java.io.IOException;
+import java.net.*;
+import sun.net.www.ParseUtil;
+
+/*
+ * Jar URL Handler
+ */
+public class Handler extends java.net.URLStreamHandler {
+
+    private static final String separator = "!/";
+
+    protected java.net.URLConnection openConnection(URL u)
+    throws IOException {
+        return new JarURLConnection(u, this);
+    }
+
+    private static int indexOfBangSlash(String spec) {
+        int indexOfBang = spec.length();
+        while((indexOfBang = spec.lastIndexOf('!', indexOfBang)) != -1) {
+            if ((indexOfBang != (spec.length() - 1)) &&
+                (spec.charAt(indexOfBang + 1) == '/')) {
+                return indexOfBang + 1;
+            } else {
+                indexOfBang--;
+            }
+        }
+        return -1;
+    }
+
+    /**
+     * Compare two jar URLs
+     */
+    @Override
+    protected boolean sameFile(URL u1, URL u2) {
+        if (!u1.getProtocol().equals("jar") || !u2.getProtocol().equals("jar"))
+            return false;
+
+        String file1 = u1.getFile();
+        String file2 = u2.getFile();
+        int sep1 = file1.indexOf(separator);
+        int sep2 = file2.indexOf(separator);
+
+        if (sep1 == -1 || sep2 == -1) {
+            return super.sameFile(u1, u2);
+        }
+
+        String entry1 = file1.substring(sep1 + 2);
+        String entry2 = file2.substring(sep2 + 2);
+
+        if (!entry1.equals(entry2))
+            return false;
+
+        URL enclosedURL1 = null, enclosedURL2 = null;
+        try {
+            enclosedURL1 = new URL(file1.substring(0, sep1));
+            enclosedURL2 = new URL(file2.substring(0, sep2));
+        } catch (MalformedURLException unused) {
+            return super.sameFile(u1, u2);
+        }
+
+        if (!super.sameFile(enclosedURL1, enclosedURL2)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    @Override
+    protected int hashCode(URL u) {
+        int h = 0;
+
+        String protocol = u.getProtocol();
+        if (protocol != null)
+            h += protocol.hashCode();
+
+        String file = u.getFile();
+        int sep = file.indexOf(separator);
+
+        if (sep == -1)
+            return h + file.hashCode();
+
+        URL enclosedURL = null;
+        String fileWithoutEntry = file.substring(0, sep);
+        try {
+            enclosedURL = new URL(fileWithoutEntry);
+            h += enclosedURL.hashCode();
+        } catch (MalformedURLException unused) {
+            h += fileWithoutEntry.hashCode();
+        }
+
+        String entry = file.substring(sep + 2);
+        h += entry.hashCode();
+
+        return h;
+    }
+
+    public String checkNestedProtocol(String spec) {
+        if (spec.regionMatches(true, 0, "jar:", 0, 4)) {
+            return "Nested JAR URLs are not supported";
+        } else {
+            return null;
+        }
+    }
+
+    @Override
+    @SuppressWarnings("deprecation")
+    protected void parseURL(URL url, String spec,
+                            int start, int limit) {
+        String file = null;
+        String ref = null;
+        // first figure out if there is an anchor
+        int refPos = spec.indexOf('#', limit);
+        boolean refOnly = refPos == start;
+        if (refPos > -1) {
+            ref = spec.substring(refPos + 1, spec.length());
+            if (refOnly) {
+                file = url.getFile();
+            }
+        }
+        // then figure out if the spec is
+        // 1. absolute (jar:)
+        // 2. relative (i.e. url + foo/bar/baz.ext)
+        // 3. anchor-only (i.e. url + #foo), which we already did (refOnly)
+        boolean absoluteSpec = false;
+        if (spec.length() >= 4) {
+            absoluteSpec = spec.substring(0, 4).equalsIgnoreCase("jar:");
+        }
+        spec = spec.substring(start, limit);
+
+        String exceptionMessage = checkNestedProtocol(spec);
+        if (exceptionMessage != null) {
+            // NPE will be transformed into MalformedURLException by the caller
+            throw new NullPointerException(exceptionMessage);
+        }
+
+        if (absoluteSpec) {
+            file = parseAbsoluteSpec(spec);
+        } else if (!refOnly) {
+            file = parseContextSpec(url, spec);
+
+            // Canonize the result after the bangslash
+            int bangSlash = indexOfBangSlash(file);
+            String toBangSlash = file.substring(0, bangSlash);
+            String afterBangSlash = file.substring(bangSlash);
+            sun.net.www.ParseUtil canonizer = new ParseUtil();
+            afterBangSlash = canonizer.canonizeString(afterBangSlash);
+            file = toBangSlash + afterBangSlash;
+        }
+        setURL(url, "jar", "", -1, file, ref);
+    }
+
+    private String parseAbsoluteSpec(String spec) {
+        URL url = null;
+        int index = -1;
+        // check for !/
+        if ((index = indexOfBangSlash(spec)) == -1) {
+            throw new NullPointerException("no !/ in spec");
+        }
+        // test the inner URL
+        try {
+            String innerSpec = spec.substring(0, index - 1);
+            url = new URL(innerSpec);
+        } catch (MalformedURLException e) {
+            throw new NullPointerException("invalid url: " +
+                                           spec + " (" + e + ")");
+        }
+        return spec;
+    }
+
+    private String parseContextSpec(URL url, String spec) {
+        String ctxFile = url.getFile();
+        // if the spec begins with /, chop up the jar back !/
+        if (spec.startsWith("/")) {
+            int bangSlash = indexOfBangSlash(ctxFile);
+            if (bangSlash == -1) {
+                throw new NullPointerException("malformed " +
+                                               "context url:" +
+                                               url +
+                                               ": no !/");
+            }
+            ctxFile = ctxFile.substring(0, bangSlash);
+        }
+        if (!ctxFile.endsWith("/") && (!spec.startsWith("/"))){
+            // chop up the last component
+            int lastSlash = ctxFile.lastIndexOf('/');
+            if (lastSlash == -1) {
+                throw new NullPointerException("malformed " +
+                                               "context url:" +
+                                               url);
+            }
+            ctxFile = ctxFile.substring(0, lastSlash + 1);
+        }
+        return (ctxFile + spec);
+    }
+}