diff options
Diffstat (limited to 'src')
3 files changed, 114 insertions, 29 deletions
diff --git a/src/gradlecomp/java/com/amadornes/artifactural/gradle/ModifierAccess.java b/src/gradlecomp/java/com/amadornes/artifactural/gradle/ModifierAccess.java new file mode 100644 index 0000000..0a84755 --- /dev/null +++ b/src/gradlecomp/java/com/amadornes/artifactural/gradle/ModifierAccess.java @@ -0,0 +1,55 @@ +/* + * Artifactural + * Copyright (c) 2018. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation version 2.1 + * of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package com.amadornes.artifactural.gradle; + +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; + +public class ModifierAccess { + private static Field MODIFIER_ACCESS = null; + private static boolean accessAttempted = false; + + public static synchronized boolean definalize(Field target) { + if ((target.getModifiers() & Modifier.FINAL) == 0) { + return true; + } + + if (MODIFIER_ACCESS == null && !accessAttempted) { + try { + final Field modifiers = Field.class.getDeclaredField("modifiers"); + modifiers.setAccessible(true); + MODIFIER_ACCESS = modifiers; + } catch (NoSuchFieldException e) { + throw new RuntimeException("Could not access Field.modifiers to definalize reflection object. Use Java 8, current version: " + System.getProperty("java.version"), e); + } + accessAttempted = true; + } + if (MODIFIER_ACCESS != null) { + try { + MODIFIER_ACCESS.setInt(target, target.getModifiers() & ~Modifier.FINAL); + } catch (IllegalArgumentException | IllegalAccessException e) { + throw new RuntimeException("Could not definalize field " + target.getDeclaringClass().getName() + "." + target.getName(), e); + } + return true; + } + return false; + } + +} diff --git a/src/gradlecomp/java/com/amadornes/artifactural/gradle/ReflectionUtils.java b/src/gradlecomp/java/com/amadornes/artifactural/gradle/ReflectionUtils.java index d3078d5..9ee484c 100644 --- a/src/gradlecomp/java/com/amadornes/artifactural/gradle/ReflectionUtils.java +++ b/src/gradlecomp/java/com/amadornes/artifactural/gradle/ReflectionUtils.java @@ -22,6 +22,7 @@ package com.amadornes.artifactural.gradle; import java.lang.reflect.Field; import java.lang.reflect.Method; import java.lang.reflect.Modifier; +import java.util.function.Function; import java.util.function.UnaryOperator; public class ReflectionUtils { @@ -69,7 +70,7 @@ public class ReflectionUtils { for (Field f : clazz.getDeclaredFields()) { if (f.getName().equals(name)) { f.setAccessible(true); - if (!definalize(f)) { + if (!ModifierAccess.definalize(f)) { System.out.println("Could not definalize field " + f.getDeclaringClass().getName() + "." + f.getName() + " Exception ate, lets see if it works"); } return f; @@ -80,34 +81,6 @@ public class ReflectionUtils { return null; } - private static Field MODIFIER_ACCESS = null; - private static boolean accessAttempted = false; - private static synchronized boolean definalize(Field f) { - if ((f.getModifiers() & Modifier.FINAL) == 0) { - return true; - } - - if (MODIFIER_ACCESS == null && !accessAttempted) { - try { - Field modifiers = Field.class.getDeclaredField("modifiers"); - modifiers.setAccessible(true); - MODIFIER_ACCESS = modifiers; - } catch (NoSuchFieldException e) { - System.out.println("Could not access Field.modifiers to definalize reflection object. This happens on JVMs > 12, going to see if things work, if not use JVM 8-11"); - } - accessAttempted = true; - } - if (MODIFIER_ACCESS != null) { - try { - MODIFIER_ACCESS.setInt(f, f.getModifiers() & ~Modifier.FINAL); - } catch (IllegalArgumentException | IllegalAccessException e) { - throw new RuntimeException("Could not definalize field " + f.getDeclaringClass().getName() + "." + f.getName(), e); - } - return true; - } - return false; - } - /** * Invokes a method (can be private). */ diff --git a/src/java9/com/amadornes/artifactural/gradle/ModifierAccess.java b/src/java9/com/amadornes/artifactural/gradle/ModifierAccess.java new file mode 100644 index 0000000..69e7dff --- /dev/null +++ b/src/java9/com/amadornes/artifactural/gradle/ModifierAccess.java @@ -0,0 +1,57 @@ +/* + * Artifactural + * Copyright (c) 2018. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation version 2.1 + * of the License. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +package com.amadornes.artifactural.gradle; + +import java.lang.invoke.MethodHandles; +import java.lang.invoke.MethodHandles.Lookup; +import java.lang.invoke.VarHandle; +import java.lang.reflect.Field; +import java.lang.reflect.Modifier; + +public class ModifierAccess { + private static VarHandle MODIFIER_ACCESS = null; + private static boolean accessAttempted = false; + + public static synchronized boolean definalize(Field target) { + if ((target.getModifiers() & Modifier.FINAL) == 0) { + return true; + } + + if (MODIFIER_ACCESS == null && !accessAttempted) { + try { + Lookup lookup = MethodHandles.privateLookupIn(Field.class, MethodHandles.lookup()); + MODIFIER_ACCESS = lookup.findVarHandle(Field.class, "modifiers", int.class); + } catch (NoSuchFieldException | IllegalAccessException e) { + throw new RuntimeException("Could not access Field.modifiers to definalize reflection object. Use Java 8, current version: " + System.getProperty("java.version"), e); + } + accessAttempted = true; + } + if (MODIFIER_ACCESS != null) { + try { + MODIFIER_ACCESS.set(target, target.getModifiers() & ~Modifier.FINAL); + } catch (IllegalArgumentException e) { + throw new RuntimeException("Could not definalize field " + target.getDeclaringClass().getName() + "." + target.getName(), e); + } + return true; + } + return false; + } + +} |