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Merge pull request #6053 from eclipse/jetty-9.4.x-client-hybrid-smaller 

Issue #6052 - make ModuleLocation optional on Android
This commit is contained in:
Joakim Erdfelt 2021-03-15 11:58:51 -05:00 committed by GitHub
parent b899261497 9e29832a8a
commit f92394e748
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 25 additions and 34 deletions
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1
jetty-client/pom.xml
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@ -51,6 +51,7 @@
<goal>shade</goal>
</goals>
<configuration>
<minimizeJar>true</minimizeJar>
<shadedArtifactAttached>true</shadedArtifactAttached>
<shadedClassifierName>hybrid</shadedClassifierName>
<artifactSet>

6
jetty-util/src/main/java/org/eclipse/jetty/util/ModuleLocation.java
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@ -23,6 +23,7 @@ import java.lang.invoke.MethodHandles;
import java.lang.reflect.Method;
import java.net.URI;
import java.util.Optional;
import java.util.function.Function;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
@ -53,7 +54,7 @@ import static java.lang.invoke.MethodType.methodType;
*
* In Jetty 10, this entire class can be moved to direct calls to java.lang.Module in TypeUtil.getModuleLocation()
*/
class ModuleLocation
class ModuleLocation implements Function<Class<?>, URI>
{
private static final Logger LOG = Log.getLogger(ModuleLocation.class);
@ -100,7 +101,8 @@ class ModuleLocation
}
}
public URI getModuleLocation(Class<?> clazz)
@Override
public URI apply(Class<?> clazz)
{
try
{

54
jetty-util/src/main/java/org/eclipse/jetty/util/TypeUtil.java
View File

@ -19,9 +19,6 @@
package org.eclipse.jetty.util;
import java.io.IOException;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@ -38,12 +35,11 @@ import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.function.Function;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
import static java.lang.invoke.MethodType.methodType;
/**
* TYPE Utilities.
* Provides various static utility methods for manipulating types and their
@ -177,38 +173,32 @@ public class TypeUtil
}
}
private static final MethodHandle[] LOCATION_METHODS;
private static final ModuleLocation MODULE_LOCATION;
private static final List<Function<Class<?>, URI>> LOCATION_METHODS = new ArrayList<>();
private static final Function<Class<?>, URI> MODULE_LOCATION;
static
{
List<MethodHandle> locationMethods = new ArrayList<>();
MethodHandles.Lookup lookup = MethodHandles.lookup();
MethodType type = methodType(URI.class, Class.class);
// Lookup order in LOCATION_METHODS is important.
LOCATION_METHODS.add(TypeUtil::getCodeSourceLocation);
Function<Class<?>, URI> moduleFunc = null;
try
{
locationMethods.add(lookup.findStatic(TypeUtil.class, "getCodeSourceLocation", type));
ModuleLocation moduleLocation = null;
try
Class<?> clazzModuleLocation = TypeUtil.class.getClassLoader().loadClass(TypeUtil.class.getPackage().getName() + ".ModuleLocation");
Object obj = clazzModuleLocation.getConstructor().newInstance();
if (obj instanceof Function)
{
moduleLocation = new ModuleLocation();
locationMethods.add(lookup.findStatic(TypeUtil.class, "getModuleLocation", type));
//noinspection unchecked
moduleFunc = (Function<Class<?>, URI>)obj;
LOCATION_METHODS.add(moduleFunc);
}
catch (UnsupportedOperationException e)
}
catch (Throwable t)
{
LOG.debug("JVM Runtime does not support Modules");
}
MODULE_LOCATION = moduleLocation;
locationMethods.add(lookup.findStatic(TypeUtil.class, "getClassLoaderLocation", type));
locationMethods.add(lookup.findStatic(TypeUtil.class, "getSystemClassLoaderLocation", type));
LOCATION_METHODS = locationMethods.toArray(new MethodHandle[0]);
}
catch (Exception e)
{
throw new RuntimeException("Unable to establish Location Lookup Handles", e);
LOG.debug("This JVM Runtime does not support Modules, disabling Jetty internal support");
}
MODULE_LOCATION = moduleFunc;
LOCATION_METHODS.add(TypeUtil::getClassLoaderLocation);
LOCATION_METHODS.add(TypeUtil::getSystemClassLoaderLocation);
}
/**
@ -627,13 +617,11 @@ public class TypeUtil
*/
public static URI getLocationOfClass(Class<?> clazz)
{
URI location;
for (MethodHandle locationMethod : LOCATION_METHODS)
for (Function<Class<?>, URI> locationFunction : LOCATION_METHODS)
{
try
{
location = (URI)locationMethod.invoke(clazz);
URI location = locationFunction.apply(clazz);
if (location != null)
{
return location;
@ -723,7 +711,7 @@ public class TypeUtil
// In Jetty 10, this method can be implemented directly, without reflection
if (MODULE_LOCATION != null)
{
return MODULE_LOCATION.getModuleLocation(clazz);
return MODULE_LOCATION.apply(clazz);
}
return null;
}