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 * Copyright (c) 1998, 2017, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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package jdk.javadoc.internal.doclets.toolkit.util;

import javax.tools.JavaFileManager;
import javax.tools.JavaFileManager.Location;
import javax.tools.StandardJavaFileManager;
import javax.tools.StandardLocation;

import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration;
import jdk.javadoc.internal.doclets.toolkit.DocletException;

Factory for DocFile objects.
 
This is NOT part of any supported API.
 If you write code that depends on this, you do so at your own risk.
 This code and its internal interfaces are subject to change or
 deletion without notice.
/**
 * Factory for DocFile objects.
 *
 *  <p><b>This is NOT part of any supported API.
 *  If you write code that depends on this, you do so at your own risk.
 *  This code and its internal interfaces are subject to change or
 *  deletion without notice.</b>
 *
 */
public abstract class DocFileFactory {
    
Get the appropriate factory, based on the file manager given in the
configuration.
Params:
configuration – the configuration for this doclet
Returns:
the factory associated with this configuration/**
     * Get the appropriate factory, based on the file manager given in the
     * configuration.
     *
     * @param configuration the configuration for this doclet
     * @return the factory associated with this configuration
     */
    public static synchronized DocFileFactory getFactory(BaseConfiguration configuration) {
        DocFileFactory f = configuration.docFileFactory;
        if (f == null) {
            JavaFileManager fm = configuration.getFileManager();
            if (fm instanceof StandardJavaFileManager) {
                f = new StandardDocFileFactory(configuration);
            } else {
                throw new IllegalStateException();
            }
            configuration.docFileFactory = f;
        }
        return f;
    }

    protected BaseConfiguration configuration;

    protected DocFileFactory(BaseConfiguration configuration) {
        this.configuration = configuration;
    }

    public abstract void setDestDir(String dir) throws DocletException;

    
Create a DocFile for a directory. /** Create a DocFile for a directory. */
    abstract DocFile createFileForDirectory(String file);

    
Create a DocFile for a file that will be opened for reading. /** Create a DocFile for a file that will be opened for reading. */
    abstract DocFile createFileForInput(String file);

    
Create a DocFile for a file that will be opened for writing. /** Create a DocFile for a file that will be opened for writing. */
    abstract DocFile createFileForOutput(DocPath path);

    
List the directories and files found in subdirectories along the
elements of the given location.
Params:
location – currently, only StandardLocation.SOURCE_PATH is supported.
path – the subdirectory of the directories of the location for which to
 list files/**
     * List the directories and files found in subdirectories along the
     * elements of the given location.
     * @param location currently, only {@link StandardLocation#SOURCE_PATH} is supported.
     * @param path the subdirectory of the directories of the location for which to
     *  list files
     */
    abstract Iterable<DocFile> list(Location location, DocPath path);
}