2362N/A * Copyright (c) 1996, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * Helper class to map URL "abbreviations" to real URLs. 0N/A * The default implementation supports the following mappings: 0N/A * gopher.mumble.bar/... => gopher://gopher.mumble.bar/... 0N/A * /foo/... => file:/foo/... 0N/A * Full URLs (those including a protocol name) are passed through unchanged. 0N/A * Subclassers can override or extend this behavior to support different 0N/A * or additional canonicalization policies. 0N/A * @author Steve Byrne 0N/A * Creates the default canonicalizer instance. 0N/A * Given a possibly abbreviated URL (missing a protocol name, typically), 0N/A * this method's job is to transform that URL into a canonical form, 0N/A * by including a protocol name and additional syntax, if necessary. 0N/A * For a correctly formed URL, this method should just return its argument. 0N/A * Given a possibly abbreviated URL, this predicate function returns 0N/A * true if it appears that the URL contains a protocol name 0N/A if (
index <=
0) {
// treat ":foo" as not having a protocol spec 0N/A // REMIND: this is a guess at legal characters in a protocol -- 0N/A // need to be verified 0N/A if ((c >=
'A' && c <=
'Z')
0N/A || (c >=
'a' && c <=
'z')
0N/A // found an illegal character 0N/A * Returns true if the URL is just a single name, no periods or 0N/A * slashes, false otherwise 0N/A // REMIND: this is a guess at legal characters in a protocol -- 0N/A // need to be verified 0N/A if ((c >=
'A' && c <=
'Z')
0N/A || (c >=
'a' && c <=
'z')
0N/A || (c >=
'0' && c <=
'9')
0N/A // found an illegal character