| /* |
| * Copyright (c) 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. |
| * |
| * 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 com.sun.classanalyzer; |
| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Set; |
| import java.util.TreeSet; |
| |
| /** |
| * |
| * @author Mandy Chung |
| */ |
| public class ResourceFile implements Comparable<ResourceFile> { |
| |
| private final String pathname; |
| private Module module; |
| |
| ResourceFile(String pathname) { |
| this.pathname = pathname.replace(File.separatorChar, '/'); |
| } |
| |
| Module getModule() { |
| return module; |
| } |
| |
| void setModule(Module m) { |
| if (module != null) { |
| throw new RuntimeException("Module for " + this + " already set"); |
| } |
| this.module = m; |
| } |
| |
| String getName() { |
| return pathname; |
| } |
| |
| String getPathname() { |
| return pathname; |
| } |
| |
| @Override |
| public String toString() { |
| return pathname; |
| } |
| |
| @Override |
| public int compareTo(ResourceFile o) { |
| return pathname.compareTo(o.pathname); |
| } |
| static Set<ResourceFile> resources = new TreeSet<ResourceFile>(); |
| |
| static boolean isResource(String pathname) { |
| String name = pathname.replace(File.separatorChar, '/'); |
| |
| if (name.endsWith("META-INF/MANIFEST.MF")) { |
| return false; |
| } |
| if (name.contains("META-INF/JCE_RSA.")) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static void addResource(String name, InputStream in) { |
| ResourceFile res; |
| name = name.replace(File.separatorChar, '/'); |
| if (name.startsWith("META-INF/services")) { |
| res = new ServiceProviderConfigFile(name, in); |
| } else { |
| res = new ResourceFile(name); |
| } |
| resources.add(res); |
| } |
| |
| static Set<ResourceFile> getAllResources() { |
| return Collections.unmodifiableSet(resources); |
| } |
| |
| static class ServiceProviderConfigFile extends ResourceFile { |
| |
| private final List<String> providers = new ArrayList<String>(); |
| private final String service; |
| ServiceProviderConfigFile(String pathname, InputStream in) { |
| super(pathname); |
| readServiceConfiguration(in, providers); |
| this.service = pathname.substring("META-INF/services".length() + 1, pathname.length()); |
| } |
| |
| @Override |
| String getName() { |
| if (providers.isEmpty()) { |
| return service; |
| } else { |
| // just use the first one for matching |
| return providers.get(0); |
| } |
| } |
| |
| @SuppressWarnings("empty-statement") |
| void readServiceConfiguration(InputStream in, List<String> names) { |
| BufferedReader br = null; |
| try { |
| if (in != null) { |
| // Properties doesn't perserve the order of the input file |
| br = new BufferedReader(new InputStreamReader(in, "utf-8")); |
| int lc = 1; |
| while ((lc = parseLine(br, lc, names)) >= 0); |
| } |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } finally { |
| if (br != null) { |
| try { |
| br.close(); |
| } catch (IOException ex) { |
| throw new RuntimeException(ex); |
| } |
| } |
| } |
| } |
| |
| // Parse a single line from the given configuration file, adding the name |
| // on the line to the names list. |
| // |
| private int parseLine(BufferedReader r, int lc, List<String> names) throws IOException { |
| String ln = r.readLine(); |
| if (ln == null) { |
| return -1; |
| } |
| int ci = ln.indexOf('#'); |
| if (ci >= 0) { |
| ln = ln.substring(0, ci); |
| } |
| ln = ln.trim(); |
| int n = ln.length(); |
| if (n != 0) { |
| if ((ln.indexOf(' ') >= 0) || (ln.indexOf('\t') >= 0)) { |
| throw new RuntimeException("Illegal configuration-file syntax"); |
| } |
| int cp = ln.codePointAt(0); |
| if (!Character.isJavaIdentifierStart(cp)) { |
| throw new RuntimeException("Illegal provider-class name: " + ln); |
| } |
| for (int i = Character.charCount(cp); i < n; i += Character.charCount(cp)) { |
| cp = ln.codePointAt(i); |
| if (!Character.isJavaIdentifierPart(cp) && (cp != '.')) { |
| throw new RuntimeException("Illegal provider-class name: " + ln); |
| } |
| } |
| if (!names.contains(ln)) { |
| names.add(ln); |
| } |
| } |
| return lc + 1; |
| } |
| } |
| } |