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Compile and load plugins dynamically

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
This commit is contained in:
sigonasr2, Sig, Sigo 2022-07-12 20:09:57 +00:00 committed by GitHub
parent d17b0635f5
commit 686d673212
5 changed files with 2 additions and 36 deletions
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bin/TestPlugin.jar
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bin/sig/PluginLoader.class Normal file
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bin/sig/SigsUniverse.class Normal file
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2
plugins/TestPlugin.java
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@ -1,5 +1,5 @@
public class TestPlugin { public class TestPlugin {
public TestPlugin() { public TestPlugin() {
System.out.println("Loaded me!"); System.out.println("Loaded me! Yay!");
} }
} }

36
src/sig/PluginLoader.java
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@ -1,7 +1,6 @@
package sig; package sig;
import java.io.BufferedReader; import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException; import java.io.IOException;
import java.io.InputStreamReader; import java.io.InputStreamReader;
import java.lang.reflect.InvocationTargetException; import java.lang.reflect.InvocationTargetException;
@ -10,10 +9,6 @@ import java.net.URLClassLoader;
import java.nio.file.Files; import java.nio.file.Files;
import java.nio.file.Path; import java.nio.file.Path;
import java.nio.file.Paths; import java.nio.file.Paths;
import java.util.ArrayList;
import java.util.List;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
public class PluginLoader { public class PluginLoader {
public static void LoadPlugins() { public static void LoadPlugins() {
@ -27,40 +22,11 @@ public class PluginLoader {
} }
} }
public static List getClasseNames(String jarName) {
boolean debug=true;
ArrayList classes = new ArrayList();
if (debug)
System.out.println("Jar " + jarName );
try {
JarInputStream jarFile = new JarInputStream(new FileInputStream(
jarName));
JarEntry jarEntry;
while (true) {
jarEntry = jarFile.getNextJarEntry();
if (jarEntry == null) {
break;
}
if (jarEntry.getName().endsWith(".class")) {
if (debug)
System.out.println("Found "
+ jarEntry.getName().replaceAll("/", "\\."));
classes.add(jarEntry.getName().replaceAll("/", "\\."));
}
}
} catch (Exception e) {
e.printStackTrace();
}
return classes;
}
private static String LoadPlugin(Path f) { private static String LoadPlugin(Path f) {
try { try {
System.out.println("Loading "+f); System.out.println("Loading "+f);
System.out.println(" Compiling "+f.getParent().toAbsolutePath()+"..."); System.out.println(" Compiling "+f.getParent().toAbsolutePath()+"...");
Process process = Runtime.getRuntime().exec(new String[]{"javac","../plugins/TestPlugin.java"}); Process process = Runtime.getRuntime().exec(new String[]{"javac","-Xlint:unchecked","-cp","../plugins","-d",".","../plugins/TestPlugin.java"});
//Process process = Runtime.getRuntime().exec("jar cfm TestPlugin.jar ../manifest ."); //Process process = Runtime.getRuntime().exec("jar cfm TestPlugin.jar ../manifest .");
BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream())); BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
StringBuilder line=new StringBuilder(); StringBuilder line=new StringBuilder();