/*
* Copyright (C) 2011 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.errai.codegen.meta.impl.gwt;
import java.lang.annotation.Annotation;
import java.util.Arrays;
import org.jboss.errai.codegen.meta.MetaClass;
import org.jboss.errai.codegen.meta.MetaMethod;
import org.jboss.errai.codegen.meta.MetaParameter;
import org.jboss.errai.codegen.meta.MetaType;
import org.jboss.errai.codegen.meta.MetaTypeVariable;
import org.jboss.errai.codegen.util.GenUtil;
import com.google.gwt.core.ext.typeinfo.JMethod;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
/**
* @author Mike Brock <cbrock@redhat.com>
*/
public class GWTMethod extends MetaMethod {
private final JMethod method;
private volatile Annotation[] annotations;
private final TypeOracle oracle;
GWTMethod(final TypeOracle oracle, final JMethod method) {
this.method = method;
this.annotations = method.getAnnotations();
this.oracle = oracle;
}
@Override
public String getName() {
return method.getName();
}
@Override
public MetaClass getReturnType() {
return GWTUtil.eraseOrReturn(oracle, method.getReturnType());
}
@Override
public MetaParameter[] getParameters() {
return Arrays.stream(method.getParameters())
.map(p -> new GWTParameter(oracle, p, this))
.toArray(s -> new GWTParameter[s]);
}
@Override
public synchronized Annotation[] getAnnotations() {
return annotations;
}
@Override
public MetaClass getDeclaringClass() {
return GWTClass.newInstance(oracle, method.getEnclosingType());
}
@Override
public String getDeclaringClassName() {
return method.getEnclosingType().getName();
}
@Override
public MetaType getGenericReturnType() {
try {
final JType returnType = method.getReturnType();
return GWTUtil.fromType(oracle, returnType);
}
catch (final Exception e) {
throw new RuntimeException(
"Failed to produce a generic MetaType for return type of method " +
method.getReadableDeclaration() + " in class " +
method.getEnclosingType().getQualifiedSourceName() +
" (underlying GWT return type is " +
method.getReturnType().getClass() + ")", e);
}
}
@Override
public MetaType[] getGenericParameterTypes() {
return Arrays.stream(method.getParameters())
.map(p -> GWTUtil.fromType(oracle, p.getType()))
.toArray(s -> new MetaType[s]);
}
@Override
public MetaClass[] getCheckedExceptions() {
return GWTClass.fromClassArray(oracle, method.getThrows());
}
@Override
public boolean isAbstract() {
return method.isAbstract();
}
@Override
public boolean isPublic() {
return method.isPublic();
}
@Override
public boolean isPrivate() {
return method.isPrivate();
}
@Override
public boolean isProtected() {
return method.isProtected();
}
@Override
public boolean isFinal() {
return method.isFinal();
}
@Override
public boolean isStatic() {
return method.isStatic();
}
@Override
public boolean isTransient() {
return false;
}
@Override
public boolean isVolatile() {
return false;
}
@Override
public boolean isSynthetic() {
return false;
}
@Override
public boolean isSynchronized() {
return false;
}
@Override
public boolean isVarArgs() {
return method.isVarArgs();
}
@Override
public MetaTypeVariable[] getTypeParameters() {
return GWTUtil.fromTypeVariable(oracle, method.getTypeParameters());
}
@Override
public boolean equals(final Object o) {
return o instanceof MetaMethod && GenUtil.equals(this, (MetaMethod) o);
}
}