user/src/com/google/gwt/core/client/GWT.java-hosted

/*
 * Copyright 2007 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.core.client;

import com.google.gwt.dev.shell.ShellGWT;

/**
 * The hosted mode implementation of the magic GWT class, with different
 * implementations of certain core methods.
 */
public final class GWT {
  public interface UncaughtExceptionHandler {
    void onUncaughtException(Throwable e);
  }

  // hosted mode default is to log the exception to the log window
  private static UncaughtExceptionHandler sUncaughtExceptionHandler = new UncaughtExceptionHandler() {
    public void onUncaughtException(Throwable e) {
      log("Uncaught exception escaped", e);
    }
  };

  public static UncaughtExceptionHandler getUncaughtExceptionHandler() {
    return sUncaughtExceptionHandler;
  }

  public static void setUncaughtExceptionHandler(
      UncaughtExceptionHandler handler) {
    sUncaughtExceptionHandler = handler;
  }

  public static Object create(Class classLiteral) {
    // deferred binding at runtime
    return ShellGWT.create(classLiteral);
  }

  public static String getTypeName(Object o) {
    // uses reflection in hosted mode
    return ShellGWT.getTypeName(o);
  }

  public static boolean isScript() {
    // false in hosted mode
    return false;
  }

  public static String getHostPageBaseURL() {
    return Impl.getHostPageBaseURL();
  }

  public static String getModuleBaseURL() {
    return Impl.getModuleBaseURL();
  }

  public static String getModuleName() {
    return Impl.getModuleName();
  }

  public static void log(String message, Throwable e) {
    // logs to the shell logger in hosted mode
    ShellGWT.log(message, e);
  }
}