package org.apache.axis2.wsdl.codegen.extension;

import org.apache.axis2.wsdl.codegen.CodeGenConfiguration;
import org.apache.axis2.wsdl.codegen.CodeGenerationException;

import java.io.File;
/*
 * Copyright 2004,2005 The Apache Software Foundation.
 *
 * 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.
 */

public abstract class AbstractPrettyPrinterExtension extends AbstractCodeGenerationExtension{
     /**
     * If the extension for property file changes it might effect this as
     * well !!!
     */
    protected String fileExtension = "";

    public void engage(CodeGenConfiguration configuration) throws CodeGenerationException {

        //recurse through the output files and prettify them
        File outputFolder = configuration.getOutputLocation();
        prettify(outputFolder);


    }

    /**
     * Recursive procedure to prettify the files
     * @param file
     */
    protected void prettify(File file){
        if (file.isFile() &&
                file.exists() &&
                file.getName().toLowerCase().endsWith(fileExtension)){
            prettifyFile(file);
        }else if (file.isDirectory()){
            File[] childFiles = file.listFiles();
            for (int i = 0; i < childFiles.length; i++) {
                prettify(childFiles[i]);
            }
        }

    }

    /**
     * Implement this to call the proper pretty printers
     * @param file
     */
    protected abstract void prettifyFile(File file);


}