1 /*
2 * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.tools.sjavac;
27
28 import java.io.*;
29 import java.net.URI;
30 import java.util.ArrayList;
31 import java.util.Collections;
32 import java.util.List;
33 import java.util.Set;
34 import java.util.HashSet;
35 import java.util.Map;
36 import java.util.Properties;
37
38 import com.sun.tools.sjavac.options.Options;
39 import com.sun.tools.sjavac.server.Sjavac;
40
41 /**
42 * The clean properties transform should not be necessary.
43 * Eventually we will cleanup the property file sources in the OpenJDK instead.
44 *
45 * <p><b>This is NOT part of any supported API.
46 * If you write code that depends on this, you do so at your own risk.
47 * This code and its internal interfaces are subject to change or
48 * deletion without notice.</b>
49 */
50 public class CleanProperties implements Transformer {
51 public void setExtra(String e) {
52 // Any extra information is ignored for clean properties.
53 }
54
55 public void setExtra(Options a) {
56 // Any extra information is ignored for clean properties.
57 }
58
59 public boolean transform(Sjavac sjavac,
60 Map<String,Set<URI>> pkgSrcs,
61 Set<URI> visibleSrcs,
62 Map<URI,Set<String>> visibleClasses,
63 Map<String,Set<String>> oldPackageDependencies,
64 URI destRoot,
65 Map<String,Set<URI>> packageArtifacts,
66 Map<String,Set<String>> packageDependencies,
67 Map<String,String> packagePublicApis,
68 int debugLevel,
69 boolean incremental,
70 int numCores,
71 PrintStream out,
72 PrintStream err) {
73 boolean rc = true;
74 for (String pkgName : pkgSrcs.keySet()) {
75 String pkgNameF = pkgName.replace('.',File.separatorChar);
76 for (URI u : pkgSrcs.get(pkgName)) {
77 File src = new File(u);
78 boolean r = clean(pkgName, pkgNameF, src, new File(destRoot), debugLevel,
79 packageArtifacts);
80 if (r == false) {
81 rc = false;
82 }
83 }
84 }
85 return rc;
86 }
87
88 boolean clean(String pkgName,
89 String pkgNameF,
90 File src,
91 File destRoot,
92 int debugLevel,
93 Map<String,Set<URI>> packageArtifacts) {
94 // Load the properties file.
95 Properties p = new Properties();
96 try {
97 p.load(new FileInputStream(src));
98 } catch (IOException e) {
99 Log.error("Error reading file "+src.getPath());
100 return false;
101 }
102
103 // Sort the properties in increasing key order.
104 List<String> sortedKeys = new ArrayList<>();
105 for (Object key : p.keySet()) {
106 sortedKeys.add((String)key);
107 }
108 Collections.sort(sortedKeys);
109
110 // Collect the properties into a string buffer.
111 StringBuilder data = new StringBuilder();
112 for (String key : sortedKeys) {
113 data.append(CompileProperties.escape(key))
114 .append(":")
115 .append(CompileProperties.escape((String) p.get(key)))
116 .append("\n");
117 }
118
119 String destFilename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();
120 File dest = new File(destFilename);
121
122 // Make sure the dest directories exist.
123 if (!dest.getParentFile().isDirectory()) {
124 if (!dest.getParentFile().mkdirs()) {
125 Log.error("Could not create the directory "+dest.getParentFile().getPath());
126 return false;
127 }
128 }
129
130 Set<URI> as = packageArtifacts.get(pkgName);
131 if (as == null) {
132 as = new HashSet<>();
133 packageArtifacts.put(pkgName, as);
134 }
135 as.add(dest.toURI());
136
137 if (dest.exists() && dest.lastModified() > src.lastModified()) {
138 // A cleaned property file exists, and its timestamp is newer than the source.
139 // Assume that we do not need to clean!
140 // Thus we are done.
141 return true;
142 }
143
144 Log.info("Cleaning property file "+pkgNameF+File.separator+src.getName());
145 try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(dest)))) {
146 writer.write(data.toString());
147 } catch ( IOException e ) {
148 Log.error("Could not write file "+dest.getPath());
149 return false;
150 }
151 return true;
152 }
153 }