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• ApacheConfigReader.java

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org.rhq.plugins.apache.parser.ApacheConfigReader Maven / Gradle / Ivy

package org.rhq.plugins.apache.parser;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.InputStreamReader;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

public class ApacheConfigReader {
    private static final String EMPTY_LINE="^[\t ]*$";
    private static final Pattern emptyLinePattern = Pattern.compile(EMPTY_LINE);
    private static final Log log = LogFactory.getLog(ApacheConfigReader.class);
    
    public static void buildTree(String path,ApacheParser parser){       
        searchFile(path, parser);          
    }
    
    public static void searchFile(String path,ApacheParser parser){
        File configFile = new File(path);
        if (!configFile.exists()){
           log.warn("Apache configuration file "+path+" was not found.");
           throw new ApacheParserException("Apache configuration file "+path+" was not found.");
           }
        
        BufferedReader br=null;
        
        try {    
        FileInputStream fstream = new FileInputStream(configFile);
        br = new BufferedReader(new InputStreamReader(fstream));
        String strLine;
        
        while ((strLine = br.readLine()) != null) {    
            Matcher matcher = emptyLinePattern.matcher(strLine);
            if (!matcher.matches())            
               {
                ApacheDirective dir = new ApacheDirective(strLine);
                dir.setFile(path);
                String name = dir.getName();
                if (!name.equals("#")){
                    if (name.startsWith("