package org.jruby.java.invokers;
import java.lang.reflect.Constructor;
import java.lang.reflect.Member;
import java.util.List;
import org.jruby.Ruby;
import org.jruby.RubyModule;
import org.jruby.RubyProc;
import org.jruby.java.proxies.JavaProxy;
import org.jruby.javasupport.JavaCallable;
import org.jruby.javasupport.JavaConstructor;
import org.jruby.runtime.Block;
import org.jruby.runtime.ThreadContext;
import org.jruby.runtime.builtin.IRubyObject;
public class ConstructorInvoker extends RubyToJavaInvoker {
public ConstructorInvoker(RubyModule host, List<Constructor> ctors) {
super(host, ctors.toArray(new Constructor[ctors.size()]));
trySetAccessible(getAccessibleObjects());
}
protected JavaCallable createCallable(Ruby ruby, Member member) {
return JavaConstructor.create(ruby, (Constructor)member);
}
protected JavaCallable[] createCallableArray(JavaCallable callable) {
return new JavaConstructor[] {(JavaConstructor)callable};
}
protected JavaCallable[] createCallableArray(int size) {
return new JavaConstructor[size];
}
protected JavaCallable[][] createCallableArrayArray(int size) {
return new JavaConstructor[size][];
}
protected Class[] getMemberParameterTypes(Member member) {
return ((Constructor)member).getParameterTypes();
}
protected boolean isMemberVarArgs(Member member) {
return ((Constructor)member).isVarArgs();
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args) {
JavaProxy proxy = castJavaProxy(self);
int len = args.length;
Object[] convertedArgs = new Object[len];
JavaConstructor constructor = (JavaConstructor)findCallable(self, name, args, len);
if (constructor.isVarArgs()) {
len = constructor.getParameterTypes().length - 1;
convertedArgs = new Object[len + 1];
for (int i = 0; i < len; i++) {
convertedArgs[i] = convertArg(args[i], constructor, i);
}
convertedArgs[len] = convertVarargs(args, constructor);
} else {
convertedArgs = new Object[len];
for (int i = 0; i < len; i++) {
convertedArgs[i] = convertArg(args[i], constructor, i);
}
}
proxy.setObject(constructor.newInstanceDirect(convertedArgs));
return self;
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name) {
JavaProxy proxy = castJavaProxy(self);
JavaConstructor constructor = (JavaConstructor)findCallableArityZero(self, name);
proxy.setObject(constructor.newInstanceDirect());
return self;
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0) {
if (javaVarargsCallables != null) return call(context, self, clazz, name, new IRubyObject[] {arg0});
JavaProxy proxy = castJavaProxy(self);
JavaConstructor constructor = (JavaConstructor)findCallableArityOne(self, name, arg0);
Object cArg0 = convertArg(arg0, constructor, 0);
proxy.setObject(constructor.newInstanceDirect(cArg0));
return self;
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0, IRubyObject arg1) {
if (javaVarargsCallables != null) return call(context, self, clazz, name, new IRubyObject[] {arg0, arg1});
JavaProxy proxy = castJavaProxy(self);
JavaConstructor constructor = (JavaConstructor)findCallableArityTwo(self, name, arg0, arg1);
Object cArg0 = convertArg(arg0, constructor, 0);
Object cArg1 = convertArg(arg1, constructor, 1);
proxy.setObject(constructor.newInstanceDirect(cArg0, cArg1));
return self;
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2) {
if (javaVarargsCallables != null) return call(context, self, clazz, name, new IRubyObject[] {arg0, arg1, arg2});
JavaProxy proxy = castJavaProxy(self);
JavaConstructor constructor = (JavaConstructor)findCallableArityThree(self, name, arg0, arg1, arg2);
Object cArg0 = convertArg(arg0, constructor, 0);
Object cArg1 = convertArg(arg1, constructor, 1);
Object cArg2 = convertArg(arg2, constructor, 2);
proxy.setObject(constructor.newInstanceDirect(cArg0, cArg1, cArg2));
return self;
}
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject[] args, Block block) {
if (block.isGiven()) {
Ruby runtime = context.getRuntime();
JavaProxy proxy = castJavaProxy(self);
int len = args.length;
// too much array creation!
Object[] convertedArgs = new Object[len + 1];
IRubyObject[] intermediate = new IRubyObject[len + 1];
System.arraycopy(args, 0, intermediate, 0, len);
intermediate[len] = RubyProc.newProc(runtime, block, Block.Type.LAMBDA);
JavaConstructor constructor = (JavaConstructor)findCallable(self, name, intermediate, len + 1);
for (int i = 0; i < len + 1; i++) {
convertedArgs[i] = convertArg(intermediate[i], constructor, i);
}
proxy.setObject(constructor.newInstanceDirect(convertedArgs));
return self;
} else {
return call(context, self, clazz, name, args);
}
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, Block block) {
if (block.isGiven()) {
JavaProxy proxy = castJavaProxy(self);
RubyProc proc = RubyProc.newProc(context.getRuntime(), block, Block.Type.LAMBDA);
JavaConstructor constructor = (JavaConstructor)findCallableArityOne(self, name, proc);
Object cArg0 = convertArg(proc, constructor, 0);
proxy.setObject(constructor.newInstanceDirect(cArg0));
return self;
} else {
return call(context, self, clazz, name);
}
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0, Block block) {
if (block.isGiven()) {
JavaProxy proxy = castJavaProxy(self);
RubyProc proc = RubyProc.newProc(context.getRuntime(), block, Block.Type.LAMBDA);
JavaConstructor constructor = (JavaConstructor)findCallableArityTwo(self, name, arg0, proc);
Object cArg0 = convertArg(arg0, constructor, 0);
Object cArg1 = convertArg(proc, constructor, 1);
proxy.setObject(constructor.newInstanceDirect(cArg0, cArg1));
return self;
} else {
return call(context, self, clazz, name, arg0);
}
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0, IRubyObject arg1, Block block) {
if (block.isGiven()) {
JavaProxy proxy = castJavaProxy(self);
RubyProc proc = RubyProc.newProc(context.getRuntime(), block, Block.Type.LAMBDA);
JavaConstructor constructor = (JavaConstructor)findCallableArityThree(self, name, arg0, arg1, proc);
Object cArg0 = convertArg(arg0, constructor, 0);
Object cArg1 = convertArg(arg1, constructor, 1);
Object cArg2 = convertArg(proc, constructor, 2);
proxy.setObject(constructor.newInstanceDirect(cArg0, cArg1, cArg2));
return self;
} else {
return call(context, self, clazz, name, arg0, arg1);
}
}
@Override
public IRubyObject call(ThreadContext context, IRubyObject self, RubyModule clazz, String name, IRubyObject arg0, IRubyObject arg1, IRubyObject arg2, Block block) {
if (block.isGiven()) {
JavaProxy proxy = castJavaProxy(self);
RubyProc proc = RubyProc.newProc(context.getRuntime(), block, Block.Type.LAMBDA);
JavaConstructor constructor = (JavaConstructor)findCallableArityFour(self, name, arg0, arg1, arg2, proc);
Object cArg0 = convertArg(arg0, constructor, 0);
Object cArg1 = convertArg(arg1, constructor, 1);
Object cArg2 = convertArg(arg2, constructor, 2);
Object cArg3 = convertArg(proc, constructor, 3);
proxy.setObject(constructor.newInstanceDirect(cArg0, cArg1, cArg2, cArg3));
return self;
} else {
return call(context, self, clazz, name, arg0, arg1, arg2);
}
}
}