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• org.docshare
• yangmvc
• 2022.12.15
• source code
• TextTool.java

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org.docshare.util.TextTool Maven / Gradle / Ivy

package org.docshare.util;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import org.docshare.log.Log;
import org.docshare.mvc.Config;

public class TextTool {

	public static byte[] readAllBytes(String fname) {
		File f = new File(fname);
		if (!f.exists())
			return null;
		long fileSize = f.length();
		if (fileSize > Integer.MAX_VALUE) {
			System.out.println("file too big...");
			return null;
		}
		byte[] buffer = null;
		FileInputStream fi=null;
		try {
			buffer = new byte[(int) fileSize];
			fi = new FileInputStream(f);
			int offset = 0;
			int numRead = 0;
			while (offset < buffer.length
					&& (numRead = fi.read(buffer, offset, buffer.length
							- offset)) >= 0) {
				offset += numRead;
			}

		} catch (FileNotFoundException e) {
			Log.e(e);
		} catch (IOException e) {
			Log.e(e);
		}finally {
			FileTool.safelyClose(fi);
		}

		return buffer;

	}

	public static String removeCRLF(String s) {
		s = s.replace("\r", "");
		s = s.replace("\n", "");
		return s;
	}

	public static int getTextCount(String content, String subs) {
		int i = 0;
		int c = 0;
		while (true) {
			i = content.indexOf(subs, i + subs.length() + 1);
			if (i < 0)
				break;

			c++;
		}

		return c;
	}

	public static String getXmlItem(String str, String itemname) {
		String ret = getBetweenOne(str, "<" + itemname + ">", "");
		if (ret == null)
			return "";

		ret = ret.replace("", "");

		return ret;
	}

	public static String getBetweenOne(String str, String bs, String es) {
		
		if (bs == null || es == null || str == null)
			return null;
		int b = -1, e = 0;

		b = str.indexOf(bs, b + 1);
		if (b < 0)
			return null;
		e = str.indexOf(es, b + bs.length());
		if (e < 0)
			return null;

		return str.substring(b + bs.length(), e);

	}

	public static String[] getBetween(String str, String bs, String es) {
		if (bs == null || es == null || str == null)
			return null;
		ArrayList al = new ArrayList();
		int b = -1, e = 0;

		while (true) {
			b = str.indexOf(bs, b + 1);
			if (b < 0)
				break;
			e = str.indexOf(es, b + bs.length());
			if (e < 0)
				break;

			al.add(str.substring(b + bs.length(), e));
		}
		if (al.size() == 0) {
			return null;
		}
		String[] a = new String[al.size()];
		return al.toArray(a);
	}

	public static String join(String[] str, String join_str) {
		if (str == null) {
			return "";
		}
		StringBuilder sb =new StringBuilder();
		for (String s : str) {
			if (sb.length() > 0) {
				sb.append(join_str);
			}
			sb.append(s);
		}

		return sb.toString();
	}

	public static String getBefore(String str, String mark) {
		int i = str.indexOf(mark);
		if (i < 0)
			return null;

		return str.substring(0, i);
	}

	public static String getBeforeLast(String str, String mark) {
		int i = str.lastIndexOf(mark);
		if (i <= 0)
			return null;

		return str.substring(0, i);
	}

	public static String getAfter(String str, String mark) {
		int i = str.indexOf(mark);
		if (i <= 0)
			return null;

		return str.substring(i + mark.length());
	}
	public static String getLastAfter(String str, String mark) {
		int i = str.lastIndexOf(mark);
		if (i <= 0)
			return null;

		return str.substring(i + mark.length());
	}
	public static String getPrefix(String f) {
		int p = f.lastIndexOf(".");
		if (p >= 0)
			return f.substring(p + 1);

		return null;
	}

	public static String getBetweenTwo(String d, String s1, String e1,
			String s2, String e2) {
		d = TextTool.getBetweenOne(d, s1, e1);
		if (d == null)
			return null;

		d = TextTool.getBetweenOne(d, s2, e2);
		return d;

	}
	public static String firstUpper(String s){
		if(s == null)return null;
		
		char[] arr = s.toCharArray();
		if(arr.length>0 && arr[0]>='a'&&arr[0]<='z'){
			arr[0] = (char) (arr[0] - 'a'+'A');
		}
		return new String(arr);
		
	}

	public static String firstLower(String s) {
		if(s == null)return null;
		
		char[] arr = s.toCharArray();
		if(arr.length>0 && arr[0]>='A'&&arr[0]<='Z'){
			arr[0] = (char) (arr[0] - 'A'+'a');
		}
		return new String(arr);
	}

	
	public static String join2(List str, String join_str) {
		if (str == null ||str.size() == 0) {
			return "";
		}
		StringBuilder ret =new StringBuilder();
		for (String s : str) {
			if (ret.length() > 0) {
				ret.append(join_str);
			}
			ret.append(s);
		}

		return ret.toString();
	}

	public static String join(Object[] str, String join_str) {
		
		if (str == null) {
			return "";
		}
		StringBuilder ret =new StringBuilder();
		for (Object s : str) {
			if (ret.length() > 0) {
				ret.append(join_str);
			}
			ret.append(s.toString());
		}

		return ret.toString();
	}

	public static String join(List