com.google.gwt.i18n.rebind.format.MessageCatalogFormat Maven / Gradle / Ivy

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/*
 * Copyright 2008 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.rebind.format;

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.i18n.rebind.AbstractResource.ResourceList;

import java.io.PrintWriter;

/**
 * Interface for writing various message catalog formats.
 *
 * 
WARNING: this API is expected to change as we develop additional
 * message catalog formats.  In particular, this interface will be extended
 * to support reading message catalogs and further changes may be required.
 * 

 *
 * Implementations of this interface are executed at compile time and
 * therefore must not contain any JSNI code.
 * 
 */
public interface MessageCatalogFormat {

  /**
   * Write a message catalog file.
   *
   * @param logger TreeLogger for logging errors/etc
   * @param locale locale of this output file
   * @param resourceList the contents to write
   * @param out the PrintWriter to generate output on
   * @param messageInterface the interface to create (so additional
   *     annotations may be accessed)
   * @throws UnableToCompleteException if a fatal error prevents generating
   *     the output file.  In this case, the implementation must have already
   *     logged an appropriate ERROR message to the logger.
   */
  void write(TreeLogger logger, String locale, ResourceList resourceList,
      PrintWriter out, JClassType messageInterface)
      throws UnableToCompleteException;

  /**
   * Returns the extension to use for this file type, including the dot.
   */
  String getExtension();
}