Helper.java

package net.sf.fast.ibatis.util;

import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;

import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Text;

public class Helper {
	public static final String N_A = "N/A";

	public static boolean isNotEmpty(String str) {
		return str != null && str.trim().length() > 0;
	}

	public static boolean isEmptyOrNA(String str) {
		return !isNotEmpty(str) || !isNotNA(str);
	}
	public static boolean isNotNA(String str) {
		return str != null && !str.equals(N_A);
	}

	public static void setTextWidth(Text text, int width) {
		GridData gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.grabExcessHorizontalSpace = true;
		gridData.widthHint = width;
		text.setLayoutData(gridData);
	}

	public static final String getExceptionStackTrace(Throwable e) {
		StringWriter stringWriter = new StringWriter();
		PrintWriter stackTraceWriter = new PrintWriter(stringWriter);
		e.printStackTrace(stackTraceWriter);
		return stringWriter.toString();
	}
	public static final String getString(InputStream in) throws IOException {
		InputStreamReader is = new InputStreamReader(in);
		StringBuilder sb=new StringBuilder();
		BufferedReader br = new BufferedReader(is);
		String read = br.readLine();

		while(read != null) {
		    //System.out.println(read);
		    sb.append(read);
		    read =br.readLine();

		}

		return sb.toString();
	}
	
	public static String formatPath(String path) {
		return path.replaceAll(" ", "_");
	}
	public static void closeQuietly(InputStream is) {
		try {
			if (is != null) {
				is.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

	public static void closeQuietly(OutputStream out) {
		try {
			if (out != null) {
				out.close();
			}
		} catch (Exception e) {
			e.printStackTrace();
		}
	}

}