com.chiorichan.lang.ApacheParser.java Source code

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Here is the source code for com.chiorichan.lang.ApacheParser.java

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 * Copyright 2015 Chiori-chan. All Right Reserved.
 */
package com.chiorichan.lang;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;

import org.apache.commons.io.IOUtils;
import org.apache.commons.lang3.Validate;

import com.chiorichan.http.ErrorDocument;
import com.google.common.base.Charsets;

/**
 * Used to parse Apache conf files, e.g., .htaccess.
 * 
 * @author Chiori Greene
 * @email chiorigreene@gmail.com
 */
public class ApacheParser extends ApacheConfContainer {
    enum ElementType {
        DEFAULT, STARTTAG, ENDTAG;
    }

    class ApacheConfElement {
        String name;
        String[] args;
        ElementType type = ElementType.DEFAULT;

        ApacheConfElement(String line) {
            Validate.notNull(line);

            if (line.startsWith("</") && line.endsWith(">"))
                type = ElementType.ENDTAG;
            else if (line.startsWith("<") && line.endsWith(">"))
                type = ElementType.STARTTAG;

            String[] e = line.split(" ");

            if (e.length < 1)
                throw new RuntimeException("Too Short!");

            name = e[0];
            args = new String[e.length - 1];

            for (int i = 1; i < e.length; i++)
                args[i - 1] = e[i];

            switch (name) {
            case "ErrorDocument":
                putErrorDocument(ErrorDocument.parseArgs(args));
                break;
            }
        }
    }

    public ApacheParser appendWithDir(File dir) throws IOException {
        if (dir.exists() && dir.isDirectory()) {
            File htaccessFile = new File(dir, ".htaccess");
            if (htaccessFile.exists() && htaccessFile.isFile())
                appendWithFile(htaccessFile);

            htaccessFile = new File(dir, "htaccess");
            if (htaccessFile.exists() && htaccessFile.isFile())
                appendWithFile(htaccessFile);
        }

        return this;
    }

    public ApacheParser appendWithFile(File conf) throws IOException {
        if (conf.exists() && conf.isFile()) {
            InputStream is = new FileInputStream(conf);
            List<String> contents = IOUtils.readLines(is, Charsets.US_ASCII);

            for (String l : contents) {
                l = l.trim();

                // ErrorDocument 403 http://www.yahoo.com/
                // Order deny,allow
                // Deny from all
                // Allow from 208.113.134.190

                if (l == null || l.isEmpty() || l.startsWith("#"))
                    continue;

                ApacheConfElement e = new ApacheConfElement(l);
            }
        }

        return this;
    }
}