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JDK9+下，以jar方式启动支持ClassPath #104

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JDK9+下，以jar方式启动支持ClassPath #104

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11cc7a4
Xjar支持JDK9+通过ClassPath启动的jar
thinkingfioa Oct 25, 2021
742aea8
支持非classPath启动的jar
thinkingfioa Nov 9, 2021
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39 changes: 36 additions & 3 deletions src/main/java/io/xjar/jar/XJarLauncher.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@
import java.net.URLClassLoader;
import java.security.CodeSource;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.List;
import java.util.jar.Attributes;
import java.util.jar.JarFile;
import java.util.jar.Manifest;
Expand Down Expand Up @@ -46,9 +48,22 @@ public void launch() throws Exception {
if (path == null) {
throw new IllegalStateException("Unable to determine code source archive");
}
File jar = new File(path);
URL url = jar.toURI().toURL();
xJarClassLoader = new XJarClassLoader(new URL[]{url}, classLoader.getParent(), xLauncher.xDecryptor, xLauncher.xEncryptor, xLauncher.xKey);
String classPath = getJavaClassPath();
if (null == classPath || classPath.isEmpty()) {
File jar = new File(path);
URL url = jar.toURI().toURL();
xJarClassLoader = new XJarClassLoader(new URL[]{url}, classLoader.getParent(), xLauncher.xDecryptor, xLauncher.xEncryptor, xLauncher.xKey);
} else {
List<String> jarPathList = analyzeClassPath(classPath);
URL[] urlArray = new URL[jarPathList.size()];
for (int i = 0; i < jarPathList.size(); i++) {
String single = jarPathList.get(i);
File classPathJar = new File(single);
URL classPathUrl = classPathJar.toURI().toURL();
urlArray[i] = classPathUrl;
}
xJarClassLoader = new XJarClassLoader(urlArray, classLoader.getParent(), xLauncher.xDecryptor, xLauncher.xEncryptor, xLauncher.xKey);
}
}

Thread.currentThread().setContextClassLoader(xJarClassLoader);
Expand All @@ -66,4 +81,22 @@ public void launch() throws Exception {
mainMethod.invoke(null, new Object[]{xLauncher.args});
}

private List<String> analyzeClassPath(String classPath) {
List<String> jarPathList = new ArrayList<>();
String[] jarPathArryay = classPath.split(File.pathSeparator);
if (jarPathArryay.length == 0) {
return jarPathList;
}
for (String jarPath : jarPathArryay) {
if (null == jarPath || jarPath.trim().isEmpty()) {
continue;
}
jarPathList.add(jarPath.trim());
}
return jarPathList;
}

private String getJavaClassPath() {
return System.getProperty("java.class.path");
}
}
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