| /* |
| * Copyright (c) 2012, 2013, 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 com.sun.tools.sjavac; |
| |
| import java.io.File; |
| import java.util.Set; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.ArrayList; |
| import java.util.Map; |
| |
| /** A Source object maintains information about a source file. |
| * For example which package it belongs to and kind of source it is. |
| * The class also knows how to find source files (scanRoot) given include/exclude |
| * patterns and a root. |
| * |
| * <p><b>This is NOT part of any supported API. |
| * If you write code that depends on this, you do so at your own |
| * risk. This code and its internal interfaces are subject to change |
| * or deletion without notice.</b></p> |
| */ |
| public class Source implements Comparable<Source> { |
| // The package the source belongs to. |
| private Package pkg; |
| // Name of this source file, relative its source root. |
| // For example: java/lang/Object.java |
| // Or if the source file is inside a module: |
| // jdk.base/java/lang/Object.java |
| private String name; |
| // What kind of file is this. |
| private String suffix; |
| // When this source file was last_modified |
| private long lastModified; |
| // The source File. |
| private File file; |
| // The source root under which file resides. |
| private File root; |
| // If the source is generated. |
| private boolean isGenerated; |
| // If the source is only linked to, not compiled. |
| private boolean linkedOnly; |
| |
| @Override |
| public boolean equals(Object o) { |
| return (o instanceof Source) && name.equals(((Source)o).name); |
| } |
| |
| @Override |
| public int compareTo(Source o) { |
| return name.compareTo(o.name); |
| } |
| |
| @Override |
| public int hashCode() { |
| return name.hashCode(); |
| } |
| |
| public Source(Module m, String n, File f, File r) { |
| name = n; |
| int dp = n.lastIndexOf("."); |
| if (dp != -1) { |
| suffix = n.substring(dp); |
| } else { |
| suffix = ""; |
| } |
| file = f; |
| root = r; |
| lastModified = f.lastModified(); |
| linkedOnly = false; |
| } |
| |
| public Source(Package p, String n, long lm) { |
| pkg = p; |
| name = n; |
| int dp = n.lastIndexOf("."); |
| if (dp != -1) { |
| suffix = n.substring(dp); |
| } else { |
| suffix = ""; |
| } |
| file = null; |
| root = null; |
| lastModified = lm; |
| linkedOnly = false; |
| int ls = n.lastIndexOf('/'); |
| } |
| |
| public String name() { return name; } |
| public String suffix() { return suffix; } |
| public Package pkg() { return pkg; } |
| public File file() { return file; } |
| public File root() { return root; } |
| public long lastModified() { |
| return lastModified; |
| } |
| |
| public void setPackage(Package p) { |
| pkg = p; |
| } |
| |
| public void markAsGenerated() { |
| isGenerated = true; |
| } |
| |
| public boolean isGenerated() { |
| return isGenerated; |
| } |
| |
| public void markAsLinkedOnly() { |
| linkedOnly = true; |
| } |
| |
| public boolean isLinkedOnly() { |
| return linkedOnly; |
| } |
| |
| private void save(StringBuilder b) { |
| String CL = linkedOnly?"L":"C"; |
| String GS = isGenerated?"G":"S"; |
| b.append(GS+" "+CL+" "+name+" "+file.lastModified()+"\n"); |
| } |
| // Parse a line that looks like this: |
| // S C /code/alfa/A.java 1357631228000 |
| static public Source load(Package lastPackage, String l, boolean isGenerated) { |
| int sp = l.indexOf(' ',4); |
| if (sp == -1) return null; |
| String name = l.substring(4,sp); |
| long last_modified = Long.parseLong(l.substring(sp+1)); |
| |
| boolean isLinkedOnly = false; |
| if (l.charAt(2) == 'L') { |
| isLinkedOnly = true; |
| } else if (l.charAt(2) == 'C') { |
| isLinkedOnly = false; |
| } else return null; |
| |
| Source s = new Source(lastPackage, name, last_modified); |
| s.file = new File(name); |
| if (isGenerated) s.markAsGenerated(); |
| if (isLinkedOnly) s.markAsLinkedOnly(); |
| return s; |
| } |
| |
| public static void saveSources(Map<String,Source> sources, StringBuilder b) { |
| List<String> sorted_sources = new ArrayList<String>(); |
| for (String key : sources.keySet()) { |
| sorted_sources.add(key); |
| } |
| Collections.sort(sorted_sources); |
| for (String key : sorted_sources) { |
| Source s = sources.get(key); |
| s.save(b); |
| } |
| } |
| |
| /** |
| * Recurse into the directory root and find all files matchine the excl/incl/exclfiles/inclfiles rules. |
| * Detects the existence of module-info.java files and presumes that the directory it resides in |
| * is the name of the current module. |
| */ |
| static public void scanRoot(File root, |
| Set<String> suffixes, |
| List<String> excludes, List<String> includes, |
| List<String> excludeFiles, List<String> includeFiles, |
| Map<String,Source> foundFiles, |
| Map<String,Module> foundModules, |
| Module currentModule, |
| boolean permitSourcesWithoutPackage, |
| boolean inGensrc, |
| boolean inLinksrc) |
| throws ProblemException { |
| |
| if (root == null) return; |
| int root_prefix = root.getPath().length()+1; |
| // This is the root source directory, it must not contain any Java sources files |
| // because we do not allow Java source files without a package. |
| // (Unless of course --permit-sources-without-package has been specified.) |
| // It might contain other source files however, (for -tr and -copy) these will |
| // always be included, since no package pattern can match the root directory. |
| currentModule = addFilesInDir(root, root_prefix, root, suffixes, permitSourcesWithoutPackage, |
| excludeFiles, includeFiles, false, |
| foundFiles, foundModules, currentModule, |
| inGensrc, inLinksrc); |
| |
| File[] dirfiles = root.listFiles(); |
| for (File d : dirfiles) { |
| if (d.isDirectory()) { |
| // Descend into the directory structure. |
| scanDirectory(d, root_prefix, root, suffixes, |
| excludes, includes, excludeFiles, includeFiles, |
| false, foundFiles, foundModules, currentModule, inGensrc, inLinksrc); |
| } |
| } |
| } |
| |
| /** |
| * Test if a path matches any of the patterns given. |
| * The pattern foo.bar matches only foo.bar |
| * The pattern foo.* matches foo.bar and foo.bar.zoo etc |
| */ |
| static private boolean hasMatch(String path, List<String> patterns) { |
| for (String p : patterns) { |
| // Exact match |
| if (p.equals(path)) { |
| return true; |
| } |
| // Single dot the end matches this package and all its subpackages. |
| if (p.endsWith(".*")) { |
| // Remove the wildcard |
| String patprefix = p.substring(0,p.length()-2); |
| // Does the path start with the pattern prefix? |
| if (path.startsWith(patprefix)) { |
| // If the path has the same length as the pattern prefix, then it is a match. |
| // If the path is longer, then make sure that |
| // the next part of the path starts with a dot (.) to prevent |
| // wildcard matching in the middle of a package name. |
| if (path.length()==patprefix.length() || path.charAt(patprefix.length())=='.') { |
| return true; |
| } |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Matches patterns with the asterisk first. */ |
| // The pattern foo/bar.java only matches foo/bar.java |
| // The pattern */bar.java matches foo/bar.java and zoo/bar.java etc |
| static private boolean hasFileMatch(String path, List<String> patterns) { |
| path = Util.normalizeDriveLetter(path); |
| for (String p : patterns) { |
| // Exact match |
| if (p.equals(path)) { |
| return true; |
| } |
| // Single dot the end matches this package and all its subpackages. |
| if (p.startsWith("*")) { |
| // Remove the wildcard |
| String patsuffix = p.substring(1); |
| // Does the path start with the pattern prefix? |
| if (path.endsWith(patsuffix)) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Add the files in the directory, assuming that the file has not been excluded. |
| * Returns a fresh Module object, if this was a dir with a module-info.java file. |
| */ |
| static private Module addFilesInDir(File dir, int rootPrefix, File root, |
| Set<String> suffixes, boolean allow_javas, |
| List<String> excludeFiles, List<String> includeFiles, boolean all, |
| Map<String,Source> foundFiles, |
| Map<String,Module> foundModules, |
| Module currentModule, |
| boolean inGensrc, |
| boolean inLinksrc) |
| throws ProblemException |
| { |
| for (File f : dir.listFiles()) { |
| if (f.isFile()) { |
| boolean should_add = |
| (excludeFiles == null || excludeFiles.isEmpty() || !hasFileMatch(f.getPath(), excludeFiles)) |
| && (includeFiles == null || includeFiles.isEmpty() || hasFileMatch(f.getPath(), includeFiles)); |
| |
| if (should_add) { |
| if (!allow_javas && f.getName().endsWith(".java")) { |
| throw new ProblemException("No .java files are allowed in the source root "+dir.getPath()+ |
| ", please remove "+f.getName()); |
| } |
| // Extract the file name relative the root. |
| String fn = f.getPath().substring(rootPrefix); |
| // Extract the package name. |
| int sp = fn.lastIndexOf(File.separatorChar); |
| String pkg = ""; |
| if (sp != -1) { |
| pkg = fn.substring(0,sp).replace(File.separatorChar,'.'); |
| } |
| // Is this a module-info.java file? |
| if (fn.endsWith("module-info.java")) { |
| // Aha! We have recursed into a module! |
| if (!currentModule.name().equals("")) { |
| throw new ProblemException("You have an extra module-info.java inside a module! Please remove "+fn); |
| } |
| String module_name = fn.substring(0,fn.length()-16); |
| currentModule = new Module(module_name, f.getPath()); |
| foundModules.put(module_name, currentModule); |
| } |
| // Extract the suffix. |
| int dp = fn.lastIndexOf("."); |
| String suffix = ""; |
| if (dp > 0) { |
| suffix = fn.substring(dp); |
| } |
| // Should the file be added? |
| if (all || suffixes.contains(suffix)) { |
| Source of = foundFiles.get(f.getPath()); |
| if (of != null) { |
| throw new ProblemException("You have already added the file "+fn+" from "+of.file().getPath()); |
| } |
| of = currentModule.lookupSource(f.getPath()); |
| if (of != null) { |
| // Oups, the source is already added, could be ok, could be not, lets check. |
| if (inLinksrc) { |
| // So we are collecting sources for linking only. |
| if (of.isLinkedOnly()) { |
| // Ouch, this one is also for linking only. Bad. |
| throw new ProblemException("You have already added the link only file "+fn+" from "+of.file().getPath()); |
| } |
| // Ok, the existing source is to be compiled. Thus this link only is redundant |
| // since all compiled are also linked to. Continue to the next source. |
| // But we need to add the source, so that it will be visible to linking, |
| // if not the multi core compile will fail because a JavaCompiler cannot |
| // find the necessary dependencies for its part of the source. |
| foundFiles.put(f.getPath(), of); |
| continue; |
| } else { |
| // We are looking for sources to compile, if we find an existing to be compiled |
| // source with the same name, it is an internal error, since we must |
| // find the sources to be compiled before we find the sources to be linked to. |
| throw new ProblemException("Internal error: Double add of file "+fn+" from "+of.file().getPath()); |
| } |
| } |
| Source s = new Source(currentModule, f.getPath(), f, root); |
| if (inGensrc) s.markAsGenerated(); |
| if (inLinksrc) { |
| s.markAsLinkedOnly(); |
| } |
| pkg = currentModule.name()+":"+pkg; |
| foundFiles.put(f.getPath(), s); |
| currentModule.addSource(pkg, s); |
| } |
| } |
| } |
| } |
| return currentModule; |
| } |
| |
| private static boolean gurka = false; |
| |
| static private void scanDirectory(File dir, int rootPrefix, File root, |
| Set<String> suffixes, |
| List<String> excludes, List<String> includes, |
| List<String> excludeFiles, List<String> includeFiles, boolean all, |
| Map<String,Source> foundFiles, |
| Map<String,Module> foundModules, |
| Module currentModule, boolean inGensrc, boolean inLinksrc) |
| throws ProblemException { |
| |
| String pkg_name = ""; |
| // Remove the root prefix from the dir path, and replace file separator with dots |
| // to get the package name. |
| if (dir.getPath().length() > rootPrefix) { |
| pkg_name = dir.getPath().substring(rootPrefix).replace(File.separatorChar,'.'); |
| } |
| // Should this package directory be included and not excluded? |
| if (all || ((includes==null || includes.isEmpty() || hasMatch(pkg_name, includes)) && |
| (excludes==null || excludes.isEmpty() || !hasMatch(pkg_name, excludes)))) { |
| // Add the source files. |
| currentModule = addFilesInDir(dir, rootPrefix, root, suffixes, true, excludeFiles, includeFiles, all, |
| foundFiles, foundModules, currentModule, inGensrc, inLinksrc); |
| } |
| |
| for (File d : dir.listFiles()) { |
| if (d.isDirectory()) { |
| // Descend into the directory structure. |
| scanDirectory(d, rootPrefix, root, suffixes, |
| excludes, includes, excludeFiles, includeFiles, all, |
| foundFiles, foundModules, currentModule, inGensrc, inLinksrc); |
| } |
| } |
| } |
| } |
