Mercurial > jdk8-mips64-public > langtools / file comparison

comparison: src/share/classes/com/sun/tools/sjavac/CleanProperties.java

src/share/classes/com/sun/tools/sjavac/CleanProperties.java

changeset 1570
f91144b7da75
parent 1504
22e417cdddee
child 2227
998b10c43157
equal deleted inserted replaced
1569:475eb15dfdad 1570:f91144b7da75
1 /*
2 * Copyright (c) 2001, 2012, 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.Iterator;
33 import java.util.List;
34 import java.util.Set;
35 import java.util.HashSet;
36 import java.util.Map;
37 import java.util.Properties;
38
39 /**
40 * The clean properties transform should not be necessary.
41 * Eventually we will cleanup the property file sources in the OpenJDK instead.
42 *
43 * <p><b>This is NOT part of any supported API.
44 * If you write code that depends on this, you do so at your own
45 * risk. This code and its internal interfaces are subject to change
46 * or deletion without notice.</b></p>
47 */
48 public class CleanProperties implements Transformer
49 {
50 public void setExtra(String e) {
51 // Any extra information is ignored for clean properties.
52 }
53
54 public void setExtra(String[] a) {
55 // Any extra information is ignored for clean properties.
56 }
57
58 public boolean transform(Map<String,Set<URI>> pkgSrcs,
59 Set<URI> visibleSrcs,
60 Map<URI,Set<String>> visibleClasses,
61 Map<String,Set<String>> oldPackageDependencies,
62 URI destRoot,
63 Map<String,Set<URI>> packageArtifacts,
64 Map<String,Set<String>> packageDependencies,
65 Map<String,String> packagePublicApis,
66 int debugLevel,
67 boolean incremental,
68 int numCores,
69 PrintStream out,
70 PrintStream err)
71 {
72 boolean rc = true;
73 for (String pkgName : pkgSrcs.keySet()) {
74 String pkgNameF = pkgName.replace('.',File.separatorChar);
75 for (URI u : pkgSrcs.get(pkgName)) {
76 File src = new File(u);
77 boolean r = clean(pkgName, pkgNameF, src, new File(destRoot), debugLevel,
78 packageArtifacts);
79 if (r == false) {
80 rc = false;
81 }
82 }
83 }
84 return rc;
85 }
86
87 boolean clean(String pkgName, String pkgNameF, File src, File destRoot, int debugLevel,
88 Map<String,Set<URI>> packageArtifacts)
89 {
90 // Load the properties file.
91 Properties p = new Properties();
92 try {
93 p.load(new FileInputStream(src));
94 } catch (IOException e) {
95 Log.error("Error reading file "+src.getPath());
96 return false;
97 }
98
99 // Sort the properties in increasing key order.
100 List<String> sortedKeys = new ArrayList<String>();
101 for (Object key : p.keySet()) {
102 sortedKeys.add((String)key);
103 }
104 Collections.sort(sortedKeys);
105 Iterator<String> keys = sortedKeys.iterator();
106
107 // Collect the properties into a string buffer.
108 StringBuilder data = new StringBuilder();
109 while (keys.hasNext()) {
110 String key = keys.next();
111 data.append(CompileProperties.escape(key)+":"+CompileProperties.escape((String)p.get(key))+"\n");
112 }
113
114 String destFilename = destRoot.getPath()+File.separator+pkgNameF+File.separator+src.getName();
115 File dest = new File(destFilename);
116
117 // Make sure the dest directories exist.
118 if (!dest.getParentFile().isDirectory()) {
119 if (!dest.getParentFile().mkdirs()) {
120 Log.error("Could not create the directory "+dest.getParentFile().getPath());
121 return false;
122 }
123 }
124
125 Set<URI> as = packageArtifacts.get(pkgName);
126 if (as == null) {
127 as = new HashSet<URI>();
128 packageArtifacts.put(pkgName, as);
129 }
130 as.add(dest.toURI());
131
132 if (dest.exists() && dest.lastModified() > src.lastModified()) {
133 // A cleaned property file exists, and its timestamp is newer than the source.
134 // Assume that we do not need to clean!
135 // Thus we are done.
136 return true;
137 }
138
139 Log.info("Cleaning property file "+pkgNameF+File.separator+src.getName());
140 try (Writer writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(dest)))) {
141 writer.write(data.toString());
142 } catch ( IOException e ) {
143 Log.error("Could not write file "+dest.getPath());
144 return false;
145 }
146 return true;
147 }
148 }

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