com.google.gwt.dev.jjs.ast.JInterfaceType Maven / Gradle / Ivy

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Vaadin is a web application framework for Rich Internet Applications (RIA). Vaadin enables easy development and maintenance of fast and secure rich web applications with a stunning look and feel and a wide browser support. It features a server-side architecture with the majority of the logic running on the server. Ajax technology is used at the browser-side to ensure a rich and interactive user experience.

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/*
 * 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.dev.jjs.ast;

import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.jjs.SourceOrigin;

import java.io.Serializable;

/**
 * Java interface type definition.
 */
public class JInterfaceType extends JDeclaredType {

  public JInterfaceType(SourceInfo info, String name, JsInteropType interopType, String jsPrototype) {
    super(info, name, interopType, jsPrototype);
  }

  private static class ExternalSerializedForm implements Serializable {
    private final String name;

    public ExternalSerializedForm(JInterfaceType interfaceType) {
      name = interfaceType.getName();
    }

    private Object readResolve() {
      return new JInterfaceType(name);
    }
  }

  public JInterfaceType(SourceInfo info, String name) {
    this(info, name, JsInteropType.NONE, null);
  }

  /**
   * Construct a bare-bones deserialized external interface.
   */
  private JInterfaceType(String name) {
    this(SourceOrigin.UNKNOWN, name, JsInteropType.NONE, null);
    setExternal(true);
  }

  @Override
  public JClassType getSuperClass() {
    return null;
  }

  @Override
  public boolean isAbstract() {
    return true;
  }

  @Override
  public boolean isFinal() {
    return false;
  }

  @Override
  public void traverse(JVisitor visitor, Context ctx) {
    if (visitor.visit(this, ctx)) {
      fields = visitor.acceptWithInsertRemoveImmutable(fields);
      methods = visitor.acceptWithInsertRemoveImmutable(methods);
    }
    visitor.endVisit(this, ctx);
  }

  @Override
  protected Object writeReplace() {
    if (isExternal()) {
      return new ExternalSerializedForm(this);
    } else {
      return this;
    }
  }
}