com.gwtplatform.mvp.rebind.AbstractGenerator Maven / Gradle / Ivy

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/**
 * Copyright 2011 ArcBees 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.gwtplatform.mvp.rebind;

import com.google.gwt.core.ext.BadPropertyValueException;
import com.google.gwt.core.ext.ConfigurationProperty;
import com.google.gwt.core.ext.Generator;
import com.google.gwt.core.ext.GeneratorContext;
import com.google.gwt.core.ext.PropertyOracle;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JClassType;
import com.google.gwt.core.ext.typeinfo.NotFoundException;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.user.rebind.SourceWriter;

import java.io.PrintWriter;

/**
 * Base generator.
 */
public abstract class AbstractGenerator extends Generator {
  static final String DEFAULT_PACKAGE = "com.gwtplatform.mvp.client";
  static final String GIN_GINJECTOR_MODULES = "gin.ginjector.modules";
  static final String GIN_GINJECTOR_EXTENSION = "gin.ginjector.extensions";

  private TreeLogger treeLogger;
  private TypeOracle typeOracle;
  private JClassType typeClass;
  private PropertyOracle propertyOracle;

  private String packageName = "";
  private String className = "";

  public PropertyOracle getPropertyOracle() {
    return propertyOracle;
  }

  public void setPropertyOracle(PropertyOracle propertyOracle) {
    this.propertyOracle = propertyOracle;
  }

  public void setTreeLogger(TreeLogger treeLogger) {
    this.treeLogger = treeLogger;
  }

  public TreeLogger getTreeLogger() {
    return treeLogger;
  }

  public TypeOracle getTypeOracle() {
    return typeOracle;
  }

  public void setTypeOracle(TypeOracle typeOracle) {
    this.typeOracle = typeOracle;
  }

  public JClassType getTypeClass() {
    return typeClass;
  }

  public void setTypeClass(JClassType typeName) {
    this.typeClass = typeName;
  }

  public String getPackageName() {
    return packageName;
  }

  public void setPackageName(String packageName) {
    this.packageName = packageName;
  }

  public String getClassName() {
    return className;
  }

  public void setClassName(String className) {
    this.className = className;
  }

  protected String getPackageNameFromTypeName(String typeName) {
    return typeName.substring(0, typeName.lastIndexOf("."));
  }

  protected String getSimpleNameFromTypeName(String typeName) {
    return typeName.substring(typeName.lastIndexOf(".") + 1);
  }

  protected PrintWriter tryCreatePrintWriter(GeneratorContext generatorContext,
      String suffix) throws UnableToCompleteException {
    setPackageName(getTypeClass().getPackage().getName());
    setClassName(getTypeClass().getName() + suffix);

    return generatorContext.tryCreate(getTreeLogger(), getPackageName(), getClassName());
  }

  protected JClassType getType(String typeName) throws UnableToCompleteException {
    try {
      return getTypeOracle().getType(typeName);
    } catch (NotFoundException e) {
      getTreeLogger().log(TreeLogger.ERROR, "Cannot find " + typeName, e);
      throw new UnableToCompleteException();
    }
  }

  protected ConfigurationProperty findConfigurationProperty(String prop) throws UnableToCompleteException {
    try {
      return getPropertyOracle().getConfigurationProperty(prop);
    } catch (BadPropertyValueException e) {
      getTreeLogger().log(TreeLogger.ERROR, "Cannot find " + prop + " property in your module.gwt.xml file.", e);
      throw new UnableToCompleteException();
    }
  }

  protected void closeDefinition(SourceWriter sourceWriter) {
    sourceWriter.commit(getTreeLogger());
  }
}