Java File Read getFileContentWithoutCRNL(File f, int linesPerElement, int[] setSizes)

Description

get File Content Without CRNL

License

Open Source License

Declaration

public static List<Set<String>> getFileContentWithoutCRNL(File f, int linesPerElement, int[] setSizes)

Method Source Code


//package com.java2s;
/*//from   w w w . j  ava  2s  .  c  om
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 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.List;

import java.util.Set;

public class Main {
    public static String getFileContentWithoutCRNL(File f) {
        StringBuffer sb = new StringBuffer();
        // read lines
        BufferedReader input = null;
        try {
            input = new BufferedReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));
            String s = null;
            while ((s = input.readLine()) != null) {
                //Do not read the XML declaration tag
                if (!s.startsWith("<?xml")) {
                    s = s.replaceAll("\n", "").replaceAll("\r", "");
                    sb.append(s);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (input != null) {
                    input.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
        return sb.toString();
    }

    public static List<Set<String>> getFileContentWithoutCRNL(File f, int linesPerElement, int[] setSizes) {
        List<Set<String>> setList = new ArrayList<Set<String>>();
        List<String> lineList = new ArrayList<String>();
        List<String> elementList = new ArrayList<String>();
        // read lines
        BufferedReader input = null;
        try {
            input = new BufferedReader(new InputStreamReader(new FileInputStream(f), "UTF-8"));
            String s = null;
            while ((s = input.readLine()) != null) {
                //Do not read the XML declaration tag
                if (!s.startsWith("<?xml")) {
                    s = s.replaceAll("\n", "").replaceAll("\r", "");
                    lineList.add(s);
                }
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            try {
                if (input != null) {
                    input.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

        // calculate elements
        int elementCount = lineList.size() / linesPerElement;
        for (int i = 0; i < elementCount; i++) {
            StringBuffer sb = new StringBuffer();
            for (int j = 0; j < linesPerElement; j++) {
                sb.append(lineList.get(i * linesPerElement + j));
            }
            elementList.add(sb.toString());
        }

        // calculate sets
        for (int i = 0; i < setSizes.length; i++) {
            HashSet<String> set = new HashSet<String>();
            setList.add(set);
            for (int j = 0; j < setSizes[i]; j++) {
                if (elementList.isEmpty()) {
                    break;
                }
                set.add(elementList.remove(0));
            }
        }
        return setList;
    }

    public static String replaceAll(String s, String match, String replacement) {
        StringBuffer sb = new StringBuffer();
        String temp = s;
        while (true) {
            int i = temp.indexOf(match);
            if (i < 0) {
                sb.append(temp);
                return sb.toString();
            }
            sb.append(temp.substring(0, i));
            sb.append(replacement);
            temp = temp.substring(i + match.length());
        }
    }
}

Java File Read getFileContentWithoutCRNL(File f, int linesPerElement, int[] setSizes)

Description

License

Declaration

Method Source Code

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