author | jjg |
Fri, 27 May 2016 13:06:58 -0700 | |
changeset 38617 | d93a7f64e231 |
parent 25874 | 83c19f00452c |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.tools.doclets.internal.toolkit.util; |
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import com.sun.javadoc.ClassDoc; |
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import com.sun.javadoc.PackageDoc; |
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/** |
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* Abstraction for immutable relative paths. |
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* Paths always use '/' as a separator, and never begin or end with '/'. |
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* |
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* <p><b>This is NOT part of any supported API. |
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* If you write code that depends on this, you do so at your own risk. |
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* This code and its internal interfaces are subject to change or |
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* deletion without notice.</b> |
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*/ |
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@Deprecated |
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public class DocPath { |
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private final String path; |
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/** The empty path. */ |
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public static final DocPath empty = new DocPath(""); |
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/** The empty path. */ |
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public static final DocPath parent = new DocPath(".."); |
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/** |
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* Create a path from a string. |
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*/ |
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public static DocPath create(String p) { |
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return (p == null) || p.isEmpty() ? empty : new DocPath(p); |
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} |
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/** |
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* Return the path for a class. |
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* For example, if the class is java.lang.Object, |
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* the path is java/lang/Object.html. |
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*/ |
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public static DocPath forClass(ClassDoc cd) { |
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return (cd == null) ? empty : |
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forPackage(cd.containingPackage()).resolve(forName(cd)); |
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} |
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/** |
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* Return the path for the simple name of the class. |
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* For example, if the class is java.lang.Object, |
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* the path is Object.html. |
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*/ |
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public static DocPath forName(ClassDoc cd) { |
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return (cd == null) ? empty : new DocPath(cd.name() + ".html"); |
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} |
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/** |
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* Return the path for the package of a class. |
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* For example, if the class is java.lang.Object, |
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* the path is java/lang. |
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*/ |
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public static DocPath forPackage(ClassDoc cd) { |
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return (cd == null) ? empty : forPackage(cd.containingPackage()); |
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} |
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/** |
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* Return the path for a package. |
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* For example, if the package is java.lang, |
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* the path is java/lang. |
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*/ |
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public static DocPath forPackage(PackageDoc pd) { |
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return (pd == null) ? empty : DocPath.create(pd.name().replace('.', '/')); |
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} |
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/** |
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* Return the inverse path for a package. |
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* For example, if the package is java.lang, |
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* the inverse path is ../... |
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*/ |
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public static DocPath forRoot(PackageDoc pd) { |
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String name = (pd == null) ? "" : pd.name(); |
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if (name.isEmpty()) |
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return empty; |
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return new DocPath(name.replace('.', '/').replaceAll("[^/]+", "..")); |
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} |
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/** |
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* Return the relative path from one package to another. |
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*/ |
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public static DocPath relativePath(PackageDoc from, PackageDoc to) { |
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return forRoot(from).resolve(forPackage(to)); |
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} |
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protected DocPath(String p) { |
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path = (p.endsWith("/") ? p.substring(0, p.length() - 1) : p); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public boolean equals(Object other) { |
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return (other instanceof DocPath) && path.equals(((DocPath)other).path); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public int hashCode() { |
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return path.hashCode(); |
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} |
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public DocPath basename() { |
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int sep = path.lastIndexOf("/"); |
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return (sep == -1) ? this : new DocPath(path.substring(sep + 1)); |
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} |
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public DocPath parent() { |
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int sep = path.lastIndexOf("/"); |
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return (sep == -1) ? empty : new DocPath(path.substring(0, sep)); |
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} |
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/** |
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* Return the path formed by appending the specified string to the current path. |
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*/ |
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public DocPath resolve(String p) { |
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if (p == null || p.isEmpty()) |
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return this; |
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if (path.isEmpty()) |
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return new DocPath(p); |
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return new DocPath(path + "/" + p); |
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} |
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|
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/** |
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* Return the path by appending the specified path to the current path. |
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*/ |
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public DocPath resolve(DocPath p) { |
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if (p == null || p.isEmpty()) |
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return this; |
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if (path.isEmpty()) |
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return p; |
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return new DocPath(path + "/" + p.getPath()); |
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} |
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|
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/** |
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* Return the inverse path for this path. |
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* For example, if the path is a/b/c, the inverse path is ../../.. |
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*/ |
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public DocPath invert() { |
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return new DocPath(path.replaceAll("[^/]+", "..")); |
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} |
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|
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/** |
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* Return true if this path is empty. |
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*/ |
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public boolean isEmpty() { |
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return path.isEmpty(); |
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} |
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public DocLink fragment(String fragment) { |
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return new DocLink(path, null, fragment); |
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} |
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|
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public DocLink query(String query) { |
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return new DocLink(path, query, null); |
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} |
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/** |
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* Return this path as a string. |
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*/ |
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// This is provided instead of using toString() to help catch |
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// unintended use of toString() in string concatenation sequences. |
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public String getPath() { |
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return path; |
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} |
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} |