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The public API classes of the Apache MyFaces CORE JSF-2.1 project

There is a newer version: 4.1.0-RC3

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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 jakarta.faces.convert;

import jakarta.faces.component.UIComponent;
import jakarta.faces.context.FacesContext;
import org.apache.myfaces.buildtools.maven2.plugin.builder.annotation.JSFWebConfigParam;

/**
 * see Javadoc of Faces Specification
 */
public interface Converter
{
    /**
     * Set the default timezone as system timezone when a converter extending from DateTimeConverter is created.
     */
    @JSFWebConfigParam(defaultValue="false", expectedValues="true, false", since="2.0", group="validation")
    public static final String DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE_PARAM_NAME =
            "jakarta.faces.DATETIMECONVERTER_DEFAULT_TIMEZONE_IS_SYSTEM_TIMEZONE";
    
    T getAsObject(FacesContext context,
                       UIComponent component,
                       String value) throws ConverterException;

    String getAsString(FacesContext context,
                       UIComponent component,
                       T value) throws ConverterException;
}