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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * 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 java.io.*;

import javax.lang.model.element.ModuleElement;
import javax.lang.model.element.PackageElement;

import jdk.javadoc.doclet.DocletEnvironment;
import jdk.javadoc.internal.doclets.toolkit.BaseConfiguration;


Write out the element index.
 
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.
Author:
Atul M Dambalkar/**
 * Write out the element index.
 *
 *  <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>
 *
 * @author Atul M Dambalkar
 */
public class ElementListWriter {

    private final BaseConfiguration configuration;
    private final Utils utils;
    private final DocFile file;

    
Constructor.
Params:
configuration – the current configuration of the doclet./**
     * Constructor.
     *
     * @param configuration the current configuration of the doclet.
     */
    public ElementListWriter(BaseConfiguration configuration) {
        file = DocFile.createFileForOutput(configuration, DocPaths.ELEMENT_LIST);
        this.configuration = configuration;
        this.utils = configuration.utils;
    }

    
Generate the element index.
Params:
configuration – the current configuration of the doclet.
Throws:
DocFileIOException – if there is a problem writing the output/**
     * Generate the element index.
     *
     * @param configuration the current configuration of the doclet.
     * @throws DocFileIOException if there is a problem writing the output
     */
    public static void generate(BaseConfiguration configuration) throws DocFileIOException {
        ElementListWriter elemgen = new ElementListWriter(configuration);
        elemgen.generateElementListFile(configuration.docEnv);
    }

    protected void generateElementListFile(DocletEnvironment docEnv) throws DocFileIOException {
        try (BufferedWriter out = new BufferedWriter(file.openWriter())) {
            if (configuration.showModules) {
                for (ModuleElement mdle : configuration.modulePackages.keySet()) {
                    if (!(configuration.nodeprecated && utils.isDeprecated(mdle))) {
                        out.write(DocletConstants.MODULE_PREFIX + mdle.toString());
                        out.newLine();
                        for (PackageElement pkg : configuration.modulePackages.get(mdle)) {
                            out.write(pkg.toString());
                            out.newLine();
                        }
                    }
                }
            } else {
                for (PackageElement pkg : configuration.packages) {
                    // if the -nodeprecated option is set and the package is marked as
                    // deprecated, do not include it in the packages list.
                    if (!(configuration.nodeprecated && utils.isDeprecated(pkg))) {
                        out.write(pkg.toString());
                        out.newLine();
                    }
                }
            }
        } catch (IOException e) {
            throw new DocFileIOException(file, DocFileIOException.Mode.WRITE, e);
        }
    }
}