23 * questions. |
23 * questions. |
24 */ |
24 */ |
25 package jdk.jpackage.internal; |
25 package jdk.jpackage.internal; |
26 |
26 |
27 import java.io.IOException; |
27 import java.io.IOException; |
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28 import java.nio.file.Path; |
28 import java.text.MessageFormat; |
29 import java.text.MessageFormat; |
29 import java.util.ArrayList; |
30 import java.util.ArrayList; |
30 import java.util.List; |
31 import java.util.List; |
31 import java.util.concurrent.atomic.AtomicBoolean; |
32 import java.util.concurrent.atomic.AtomicBoolean; |
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33 import java.util.function.BiFunction; |
32 import java.util.function.Function; |
34 import java.util.function.Function; |
33 import java.util.stream.Stream; |
35 import java.util.stream.Stream; |
34 |
36 |
35 |
37 |
36 public final class ToolValidator { |
38 public final class ToolValidator { |
37 |
39 |
38 ToolValidator(String name) { |
40 ToolValidator(String tool) { |
39 this.name = name; |
41 this(Path.of(tool)); |
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42 } |
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43 |
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44 ToolValidator(Path toolPath) { |
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45 this.toolPath = toolPath; |
40 args = new ArrayList<>(); |
46 args = new ArrayList<>(); |
41 |
47 |
42 if (Platform.getPlatform() == Platform.LINUX) { |
48 if (Platform.getPlatform() == Platform.LINUX) { |
43 setCommandLine("--version"); |
49 setCommandLine("--version"); |
44 } |
50 } |
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51 |
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52 setToolNotFoundErrorHandler(null); |
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53 setToolOldVersionErrorHandler(null); |
45 } |
54 } |
46 |
55 |
47 ToolValidator setCommandLine(String... args) { |
56 ToolValidator setCommandLine(String... args) { |
48 this.args = List.of(args); |
57 this.args = List.of(args); |
49 return this; |
58 return this; |
57 ToolValidator setVersionParser(Function<Stream<String>, String> v) { |
66 ToolValidator setVersionParser(Function<Stream<String>, String> v) { |
58 versionParser = v; |
67 versionParser = v; |
59 return this; |
68 return this; |
60 } |
69 } |
61 |
70 |
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71 ToolValidator setToolNotFoundErrorHandler( |
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72 BiFunction<String, IOException, ConfigException> v) { |
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73 toolNotFoundErrorHandler = v; |
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74 return this; |
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75 } |
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76 |
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77 ToolValidator setToolOldVersionErrorHandler(BiFunction<String, String, ConfigException> v) { |
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78 toolOldVersionErrorHandler = v; |
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79 return this; |
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80 } |
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81 |
62 ConfigException validate() { |
82 ConfigException validate() { |
63 List<String> cmdline = new ArrayList<>(); |
83 List<String> cmdline = new ArrayList<>(); |
64 cmdline.add(name); |
84 cmdline.add(toolPath.toString()); |
65 cmdline.addAll(args); |
85 cmdline.addAll(args); |
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86 |
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87 String name = toolPath.getFileName().toString(); |
66 try { |
88 try { |
67 ProcessBuilder pb = new ProcessBuilder(cmdline); |
89 ProcessBuilder pb = new ProcessBuilder(cmdline); |
68 AtomicBoolean canUseTool = new AtomicBoolean(); |
90 AtomicBoolean canUseTool = new AtomicBoolean(); |
69 if (minimalVersion == null) { |
91 if (minimalVersion == null) { |
70 // No version check. |
92 // No version check. |
71 canUseTool.setPlain(true); |
93 canUseTool.setPlain(true); |
72 } |
94 } |
73 |
95 |
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96 String[] version = new String[1]; |
74 Executor.of(pb).setOutputConsumer(lines -> { |
97 Executor.of(pb).setOutputConsumer(lines -> { |
75 if (versionParser != null && minimalVersion != null) { |
98 if (versionParser != null && minimalVersion != null) { |
76 String version = versionParser.apply(lines); |
99 version[0] = versionParser.apply(lines); |
77 if (minimalVersion.compareTo(version) < 0) { |
100 if (minimalVersion.compareTo(version[0]) < 0) { |
78 canUseTool.setPlain(true); |
101 canUseTool.setPlain(true); |
79 } |
102 } |
80 } |
103 } |
81 }).execute(); |
104 }).execute(); |
82 |
105 |
83 if (!canUseTool.getPlain()) { |
106 if (!canUseTool.getPlain()) { |
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107 if (toolOldVersionErrorHandler != null) { |
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108 return toolOldVersionErrorHandler.apply(name, version[0]); |
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109 } |
84 return new ConfigException(MessageFormat.format(I18N.getString( |
110 return new ConfigException(MessageFormat.format(I18N.getString( |
85 "error.tool-old-version"), name, minimalVersion), |
111 "error.tool-old-version"), name, minimalVersion), |
86 MessageFormat.format(I18N.getString( |
112 MessageFormat.format(I18N.getString( |
87 "error.tool-old-version.advice"), name, |
113 "error.tool-old-version.advice"), name, |
88 minimalVersion)); |
114 minimalVersion)); |
89 } |
115 } |
90 } catch (IOException e) { |
116 } catch (IOException e) { |
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117 if (toolNotFoundErrorHandler != null) { |
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118 return toolNotFoundErrorHandler.apply(name, e); |
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119 } |
91 return new ConfigException(MessageFormat.format(I18N.getString( |
120 return new ConfigException(MessageFormat.format(I18N.getString( |
92 "error.tool-not-found"), name, e.getMessage()), |
121 "error.tool-not-found"), name, e.getMessage()), |
93 MessageFormat.format(I18N.getString( |
122 MessageFormat.format(I18N.getString( |
94 "error.tool-not-found.advice"), name), e); |
123 "error.tool-not-found.advice"), name), e); |
95 } |
124 } |
96 |
125 |
97 // All good. Tool can be used. |
126 // All good. Tool can be used. |
98 return null; |
127 return null; |
99 } |
128 } |
100 |
129 |
101 private final String name; |
130 private final Path toolPath; |
102 private List<String> args; |
131 private List<String> args; |
103 private String minimalVersion; |
132 private String minimalVersion; |
104 private Function<Stream<String>, String> versionParser; |
133 private Function<Stream<String>, String> versionParser; |
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134 private BiFunction<String, IOException, ConfigException> toolNotFoundErrorHandler; |
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135 private BiFunction<String, String, ConfigException> toolOldVersionErrorHandler; |
105 } |
136 } |