inifileloader.java

进行与数字证书相关开发必须的java源码

// Decompiled by Jad v1.5.7g. Copyright 2000 Pavel Kouznetsov.
// Jad home page: http://www.geocities.com/SiliconValley/Bridge/8617/jad.html
// Decompiler options: packimports(3) fieldsfirst ansi 
// Source File Name:   INIFileLoader.java

package jit.util.jitca.ini;

import java.io.*;
import java.util.HashMap;
import java.util.StringTokenizer;

public class INIFileLoader
{

    private static final String SPLIT_STR = "=";
    private HashMap section;

    public INIFileLoader()
    {
    }

    public HashMap loadIniFromFile(File file)
        throws Exception
    {
        FileInputStream fis = new FileInputStream(file);
        HashMap result = loadIniFromStream(fis);
        fis.close();
        return result;
    }

    public HashMap loadIniFromStream(InputStream is)
        throws Exception
    {
        InputStreamReader ireader = new InputStreamReader(is);
        BufferedReader breader = new BufferedReader(ireader);
        section = new HashMap();
        String strSection = null;
        String strKey = null;
        String strLine = null;
        strLine = readLineIgnoreBlank(breader);
        if(strLine == null)
            return section;
        if(!isSection(strLine))
            throw new Exception("INI file's format error.");
        for(; strLine != null; strLine = readLineIgnoreBlank(breader))
        {
            if(isSection(strLine))
            {
                strSection = getSection(strLine);
                section.put(strSection, new HashMap());
                continue;
            }
            if(isKey(strLine))
            {
                strKey = getKey(strLine);
                String value = getValue(strLine);
                ((HashMap)section.get(strSection)).put(strKey, value);
                continue;
            }
            if(isContinueValue(strLine))
            {
                StringBuffer buf = new StringBuffer();
                String bef = (String)((HashMap)section.get(strSection)).get(strKey);
                buf.append(bef);
                buf.append(strLine.substring(2, strLine.length()));
                ((HashMap)section.get(strSection)).remove(strKey);
                ((HashMap)section.get(strSection)).put(strKey, buf.toString());
            } else
            {
                throw new Exception("INI file load error.");
            }
        }

        breader.close();
        ireader.close();
        return section;
    }

    private String getSection(String str)
    {
        if(str == null)
            return null;
        if(str.indexOf("[") != 0)
            return null;
        if(!str.endsWith("]"))
        {
            return null;
        } else
        {
            StringTokenizer st = new StringTokenizer(str, "[]");
            return st.nextToken();
        }
    }

    private String getKey(String str)
    {
        if(str == null)
            return null;
        if(str.indexOf("->") == 0)
            return null;
        else
            return str.substring(0, str.indexOf("="));
    }

    private String getValue(String str)
    {
        if(str == null)
            return null;
        else
            return str.substring(str.indexOf("=") + 1, str.length());
    }

    private boolean isSection(String str)
    {
        return getSection(str) != null;
    }

    private boolean isKey(String str)
    {
        return getKey(str) != null;
    }

    private boolean isContinueValue(String str)
    {
        return str.indexOf("->") == 0;
    }

    private String readLineIgnoreBlank(BufferedReader in)
        throws Exception
    {
        String result = null;
        do
        {
            result = in.readLine();
            if(result == null)
                return null;
        } while(result.trim().length() == 0);
        return result.trim();
    }

    static 
    {
        SPLIT_STR = "=";
    }
}