branch_for_jsf_1_1/core/src/main/java/org/apache/myfaces/extensions/validator/core/DefaultProjectStageResolver.java

/*
 * 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 org.apache.myfaces.extensions.validator.core;

import org.apache.myfaces.extensions.validator.internal.UsageInformation;
import org.apache.myfaces.extensions.validator.internal.UsageCategory;
import org.apache.myfaces.extensions.validator.util.ExtValUtils;

import javax.faces.context.FacesContext;

/**
 * @author Gerhard Petracek
 * @since x.x.3
 */
@UsageInformation(UsageCategory.INTERNAL)
public class DefaultProjectStageResolver implements ProjectStageResolver
{
    public ProjectStage getCurrentProjectStage()
    {
        //don't use the default extval mechanism to avoid too early evaluation with mojarra
        String result;
        try
        {
            result = FacesContext.getCurrentInstance()
                    .getExternalContext().getInitParameter("javax.faces.PROJECT_STAGE");
        }
        catch (Exception e)
        {
            return createProjectStage(getDefaultProjectStage());
        }

        if(result == null || "".equals(result))
        {
            return createProjectStage(getDefaultProjectStage());
        }
        return createProjectStage(ProjectStage.createStageName(result.trim()));
    }

    protected ProjectStage createProjectStage(ProjectStageName projectStageName)
    {
        return ProjectStage.createStage(projectStageName);
    }

    private ProjectStageName getDefaultProjectStage()
    {
        return ExtValUtils.getDefaultStageName();
    }
}