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package ch.jodersky.sbt.jni.javah;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
import java.util.Objects;
import java.util.regex.Matcher;
public final class NativeMethod {
private final int access;
private final String name;
private final Type type;
private final String mangledName;
private final String longMangledName;
public static NativeMethod of(String name, String descriptor) {
return NativeMethod.of(0, name, descriptor);
}
public static NativeMethod of(String name, Type type) {
return NativeMethod.of(0, name, type);
}
public static NativeMethod of(int access, String name, String descriptor) {
Objects.requireNonNull(name);
Objects.requireNonNull(descriptor);
return NativeMethod.of(access, name, Type.getType(descriptor));
}
public static NativeMethod of(int access, String name, Type type) {
Objects.requireNonNull(name);
Objects.requireNonNull(type);
if (!Utils.METHOD_NAME_PATTERN.matcher(name).matches()) {
throw new IllegalArgumentException(String.format("\"%s\" is not a qualified method name", name));
}
Matcher m = Utils.METHOD_TYPE_PATTERN.matcher(type.toString());
if (!m.matches()) {
throw new IllegalArgumentException(String.format("\"%s\" is not a method type", type));
}
return new NativeMethod(access, name, type, m.group("args"));
}
private NativeMethod(int access, String name, Type type, String arguments) {
this.access = access;
this.name = name;
this.type = type;
this.mangledName = Utils.mangleName(name);
this.longMangledName = mangledName + "__" + Utils.mangleName(arguments);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof NativeMethod)) {
return false;
}
NativeMethod that = (NativeMethod) o;
return name.equals(that.name) && type.equals(that.type);
}
@Override
public int hashCode() {
return Objects.hash(name, type);
}
@Override
public String toString() {
return String.format("NativeMethod[name=%s, type=%s}", name, type);
}
public String name() {
return name;
}
public Type type() {
return type;
}
public String mangledName() {
return mangledName;
}
public String longMangledName() {
return longMangledName;
}
public boolean isStatic() {
return (access & Opcodes.ACC_STATIC) != 0;
}
}
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