com.google.gwt.i18n.server.impl.ReflectionMessageInterface Maven / Gradle / Ivy
/*
* Copyright 2011 Google Inc.
*
* 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 com.google.gwt.i18n.server.impl;
import com.google.gwt.i18n.client.LocalizableResource;
import com.google.gwt.i18n.server.AbstractMessageInterface;
import com.google.gwt.i18n.server.Message;
import com.google.gwt.i18n.server.MessageProcessingException;
import com.google.gwt.i18n.shared.GwtLocaleFactory;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* Reflection-based implementation of
* {@link com.google.gwt.i18n.server.MessageInterface MessageInterface}.
*/
public class ReflectionMessageInterface extends AbstractMessageInterface {
private final Class msgIntf;
private Map paramNames = null;
public ReflectionMessageInterface(GwtLocaleFactory factory,
Class msgIntf) {
super(factory);
this.msgIntf = msgIntf;
}
@Override
public A getAnnotation(Class annotClass) {
return ReflectionUtils.getAnnotation(msgIntf, annotClass, true);
}
@Override
public String getClassName() {
StringBuilder buf = new StringBuilder();
Class encl = msgIntf.getEnclosingClass();
while (encl != null) {
buf.insert(0, encl.getSimpleName() + ".");
encl = encl.getEnclosingClass();
}
return buf.toString() + msgIntf.getSimpleName();
}
@Override
public Iterable getMessages() throws MessageProcessingException {
final Method[] methods = msgIntf.getMethods();
List messages = new ArrayList();
for (Method method : methods) {
messages.add(new ReflectionMessage(factory,
ReflectionMessageInterface.this, method));
}
Collections.sort(messages);
return Collections.unmodifiableList(messages);
}
@Override
public String getPackageName() {
return msgIntf.getPackage().getName();
}
@Override
public String getQualifiedName() {
String name = getPackageName();
if (name != null) {
name += ".";
}
return name + getClassName();
}
@Override
public boolean isAnnotationPresent(Class annotClass) {
return ReflectionUtils.getAnnotation(msgIntf, annotClass, true) != null;
}
String[] getParameterNames(Method method) {
if (paramNames == null) {
fetchParameterNames();
}
return paramNames.get(method);
}
private void fetchParameterNames() {
paramNames = new HashMap();
// String path = getPackageName().replace('.', '/') + '/';
// String className = getClassName();
// int dot = className.indexOf('.');
// if (dot >= 0) {
// className = className.substring(0, dot);
// }
// path += className + ".java";
// InputStream stream = msgIntf.getClassLoader().getResourceAsStream(path);
// if (stream != null) {
// return;
// }
// String source = Util.readStreamAsString(stream);
// CompilationUnitDeclaration cud = JavaSourceParser.parseJava(source);
// String binaryName = getPackageName() + '.'
// + getClassName().replace('.', '$');
// TypeDeclaration typeDecl = JavaSourceParser.findType(cud, binaryName);
// for (AbstractMethodDeclaration methodDecl : typeDecl.methods) {
// if (methodDecl.isClinit() || methodDecl.isConstructor()) {
// continue;
// }
// String methodName = new String(methodDecl.selector);
// int numArgs = methodDecl.arguments.length;
// Class[] paramTypes = new Class[numArgs];
// for (int i = 0; i < numArgs; ++i) {
// }
// try {
// Method method = msgIntf.getMethod(methodName, paramTypes);
// String[] names = new String[numArgs];
// for (int i = 0; i < numArgs; ++i) {
// names[i] = new String(methodDecl.arguments[i].name);
// }
// paramNames.put(method, names);
// } catch (SecurityException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// } catch (NoSuchMethodException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// }
}
}