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Merge pull request #3 from jtulach/CtSym
Use ct.sym to isolate sigtest from underlaying JDK
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94 changes: 94 additions & 0 deletions
94
src/main/java/com/sun/tdk/signaturetest/classpath/Release.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package com.sun.tdk.signaturetest.classpath; | ||
|
|
||
| import java.io.BufferedReader; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
| import java.io.InputStreamReader; | ||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
|
|
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| public final class Release { | ||
| public static final Release BOOT_CLASS_PATH = new Release('0', null); | ||
|
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| private final char version; | ||
| private final String[] prefixes; | ||
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| private Release(char version, String... prefixes) { | ||
| this.version = version; | ||
| this.prefixes = prefixes; | ||
| } | ||
|
|
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| /** | ||
| * Finds version of the JDK API. | ||
| * @param version 6, 7, 8, 9, ..., 11, ... 15 | ||
| * @return found version or null | ||
| */ | ||
| public static Release find(int version) { | ||
| if (version > 15) { | ||
| return null; | ||
| } | ||
| char ch = (char) (version < 10 ? '0' + version : 'A' + (version - 10)); | ||
| return RELEASES.get(ch); | ||
| } | ||
|
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| InputStream findClass(String name) { | ||
| if (prefixes == null) { | ||
| final String resourceName = name.replace('.', '/') + ".class"; | ||
| return ClassLoader.getSystemClassLoader().getResourceAsStream(resourceName); | ||
| } else { | ||
| for (String p : prefixes) { | ||
| final String resourceName = "/META-INF/sigtest/" + p + "/" + name.replace('.', '/') + ".sig"; | ||
| InputStream is = Release.class.getResourceAsStream(resourceName); | ||
| if (is != null) { | ||
| return is; | ||
| } | ||
| } | ||
| return null; | ||
| } | ||
|
|
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| } | ||
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| private static final Map<Character, Release> RELEASES; | ||
| static { | ||
| List<String> lines = new ArrayList<>(); | ||
| try { | ||
| try (BufferedReader r = new BufferedReader(new InputStreamReader(Release.class.getResourceAsStream("/META-INF/sigtest.ls")))) { | ||
| for (;;) { | ||
| String l = r.readLine(); | ||
| if (l == null) { | ||
| break; | ||
| } | ||
| lines.add(l); | ||
| } | ||
| } | ||
| } catch (IOException ex) { | ||
| throw new InternalError(ex); | ||
| } | ||
|
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| Map<Character,List<String>> prefixes = new HashMap<>(); | ||
| for (String l : lines) { | ||
| String[] versionsDir = l.split("/"); | ||
| String versions = versionsDir[0]; | ||
| for (int i = 0; i < versions.length(); i++) { | ||
| Character ch = versions.charAt(i); | ||
| List<String> arr = prefixes.get(ch); | ||
| if (arr == null) { | ||
| arr = new ArrayList<>(); | ||
| prefixes.put(ch, arr); | ||
| } | ||
| arr.add(l); | ||
| } | ||
| } | ||
|
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| Map<Character,Release> releases = new HashMap<>(); | ||
| for (Map.Entry<Character, List<String>> entry : prefixes.entrySet()) { | ||
| Character key = entry.getKey(); | ||
| List<String> value = entry.getValue(); | ||
| releases.put(key, new Release(key, value.toArray(new String[0]))); | ||
| } | ||
|
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| RELEASES = releases; | ||
| } | ||
| } |
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