diff options
Diffstat (limited to 'container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ResourceOrProviderClassVisitor.java')
-rw-r--r-- | container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ResourceOrProviderClassVisitor.java | 103 |
1 files changed, 0 insertions, 103 deletions
diff --git a/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ResourceOrProviderClassVisitor.java b/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ResourceOrProviderClassVisitor.java deleted file mode 100644 index bf53cec670e..00000000000 --- a/container-jersey2/src/main/java/com/yahoo/container/servlet/jersey/ResourceOrProviderClassVisitor.java +++ /dev/null @@ -1,103 +0,0 @@ -// Copyright 2018 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root. -package com.yahoo.container.servlet.jersey; - -import org.objectweb.asm.AnnotationVisitor; -import org.objectweb.asm.ClassReader; -import org.objectweb.asm.ClassVisitor; -import org.objectweb.asm.Opcodes; -import org.objectweb.asm.Type; - -import javax.ws.rs.Path; -import javax.ws.rs.ext.Provider; - -import java.util.HashSet; -import java.util.Optional; -import java.util.Set; - -/** - * @author Tony Vaagenes - * @author ollivir - */ -public class ResourceOrProviderClassVisitor extends ClassVisitor { - private String className = null; - private boolean isPublic = false; - private boolean isAbstract = false; - - private boolean isInnerClass = false; - private boolean isStatic = false; - - private boolean isAnnotated = false; - - public ResourceOrProviderClassVisitor() { - super(Opcodes.ASM7); - } - - public Optional<String> getJerseyClassName() { - if (isJerseyClass()) { - return Optional.of(getClassName()); - } else { - return Optional.empty(); - } - } - - public boolean isJerseyClass() { - return isAnnotated && isPublic && !isAbstract && (!isInnerClass || isStatic); - } - - public String getClassName() { - assert (className != null); - return org.objectweb.asm.Type.getObjectType(className).getClassName(); - } - - @Override - public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) { - isPublic = isPublic(access); - className = name; - isAbstract = isAbstract(access); - } - - @Override - public void visitInnerClass(String name, String outerName, String innerName, int access) { - assert (className != null); - - if (name.equals(className)) { - isInnerClass = true; - isStatic = isStatic(access); - } - } - - @Override - public AnnotationVisitor visitAnnotation(String desc, boolean visible) { - isAnnotated |= annotationClassDescriptors.contains(desc); - return null; - } - - private static Set<String> annotationClassDescriptors = new HashSet<>(); - - static { - annotationClassDescriptors.add(Type.getDescriptor(Path.class)); - annotationClassDescriptors.add(Type.getDescriptor(Provider.class)); - } - - private static boolean isPublic(int access) { - return isSet(Opcodes.ACC_PUBLIC, access); - } - - private static boolean isStatic(int access) { - return isSet(Opcodes.ACC_STATIC, access); - } - - private static boolean isAbstract(int access) { - return isSet(Opcodes.ACC_ABSTRACT, access); - } - - private static boolean isSet(int bits, int access) { - return (access & bits) == bits; - } - - public static ResourceOrProviderClassVisitor visit(ClassReader classReader) { - ResourceOrProviderClassVisitor visitor = new ResourceOrProviderClassVisitor(); - classReader.accept(visitor, ClassReader.SKIP_DEBUG | ClassReader.SKIP_CODE | ClassReader.SKIP_FRAMES); - return visitor; - } -} |