Example usage for java.io File isFile

Introduction

In this page you can find the example usage for java.io File isFile.

Prototype

public boolean isFile()

Source Link

Document

Tests whether the file denoted by this abstract pathname is a normal file.

Usage

From source file:eu.delving.x3ml.X3MLCommandLine.java

static File file(String name) {
    File file = new File(name);
    if (!file.exists() || !file.isFile()) {
        error("File does not exist: " + name);
    }//from w w w .j  a v a2s . c  o m
    return file;
}

From source file:Main.java

public static String readFile(String filePath) {
    File file = new File(filePath);
    StringBuilder fileContent = new StringBuilder("");
    if (file == null || !file.isFile()) {
        return fileContent.toString();
    }/*from ww  w .jav  a 2  s  .c om*/
    BufferedReader reader = null;

    try {
        reader = new BufferedReader(new FileReader(file));
        String line = null;
        while ((line = reader.readLine()) != null) {
            if (!fileContent.toString().equals("")) {
                fileContent.append("\r\n");
            }
            fileContent.append(line);
        }
        reader.close();
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (Exception e1) {
                e1.printStackTrace();
            }
        }
    }
    return fileContent.toString();
}

From source file:ca.weblite.xmlvm.ConstantPoolHelper.java

/**
 * Removes dependencies on the constant pool file for all .m, .c, and .h files in the 
 * given directory.  It will use the constant_pool.m file for that directory.
 * @param srcDir//  ww  w . ja  v a  2s .c om
 * @throws IOException 
 */
public static void removeConstantPoolDependencies(File srcDir) throws IOException {
    File poolFile = new File(srcDir, "constant_pool.m");
    Map<Integer, Constant> constantPool = loadConstantPool(poolFile);
    for (File f : srcDir.listFiles()) {
        if (f.isFile()
                && (f.getName().endsWith(".m") || f.getName().endsWith(".c") || f.getName().endsWith(".h"))) {
            removeConstantPoolDependencies(constantPool, f);
        }
    }
}

From source file:ch.ethz.topobench.ProduceLP.java

/**
 * Deletion of possibly multiple folder and
 * files within those folders (not recursively).
 *
 * Skips .gitignore and README files.// ww w.  j av a 2 s.c o m
 *
 * Adapted from:
 * http://stackoverflow.com/questions/7768071/how-to-delete-directory-content-in-java
 *
 * @param folders    Folder to delete
 */
private static void removeFilesIn(String... folders) {
    for (String fol : folders) {
        File folder = new File(fol);
        File[] files = folder.listFiles();
        if (files != null) {
            for (File f : files) {
                if (f.isFile() && !f.getName().equals(".gitignore") && !f.getName().equals("README")) {
                    f.delete();
                }
            }
        }
    }
}

From source file:Main.java

public static void rm(File f) {
    if (f.isDirectory()) {
        for (File ff : f.listFiles()) {
            rm(ff);/*  w  w w  .j a  v  a2 s  .  co m*/
        }
        f.delete();
    } else if (f.isFile()) {
        f.delete();
    }
}

From source file:Main.java

public static void copyFile(File fromFile, File toFile, Boolean rewrite) {
    if (!fromFile.exists()) {
        return;/*from  ww  w .  jav  a2s.  c  o m*/
    }
    if (!fromFile.isFile()) {
        return;
    }
    if (!fromFile.canRead()) {
        return;
    }
    if (!toFile.getParentFile().exists()) {
        toFile.getParentFile().mkdirs();
    }
    if (toFile.exists() && rewrite) {
        toFile.delete();
    }

    try {
        java.io.FileInputStream fosfrom = new java.io.FileInputStream(fromFile);
        java.io.FileOutputStream fosto = new FileOutputStream(toFile);
        byte bt[] = new byte[1024];
        int c;
        while ((c = fosfrom.read(bt)) > 0) {
            fosto.write(bt, 0, c);
        }
        fosfrom.close();
        fosto.close();
    } catch (Exception ex) {
        ex.printStackTrace();
    }
}

From source file:Main.java

@SuppressWarnings("deprecation")
public static int[] getBitmapSize(File file, int targetWidth, int targetHeight) {
    if (null != file && file.exists() && file.isFile() && file.canRead()) {
        String path = file.getAbsolutePath();
        Options opts = new Options();
        if (targetWidth > 0 && targetHeight > 0) {
            opts.inJustDecodeBounds = true;
            BitmapFactory.decodeFile(path, opts);
            opts.inSampleSize = computeSampleSize(opts, Math.min(targetWidth, targetHeight),
                    targetWidth * targetHeight);
            if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT) {
                opts.inInputShareable = true;
                opts.inPurgeable = true;
            }/*from w w  w .j a  v a  2  s .co m*/
        }
        BitmapFactory.decodeFile(path, opts);
        return new int[] { opts.outWidth, opts.outHeight };
    }
    return null;
}

From source file:Main.java

public static List<String> readFileToList(String filePath, String charsetName) {
    File file = new File(filePath);
    List<String> fileContent = new ArrayList<String>();
    if (!file.isFile()) {
        return null;
    }/*from w  w w .j  a  va 2s. co m*/

    BufferedReader reader = null;
    try {
        InputStreamReader is = new InputStreamReader(new FileInputStream(file), charsetName);
        reader = new BufferedReader(is);
        String line = null;
        while ((line = reader.readLine()) != null) {
            fileContent.add(line);
        }
        reader.close();
        return fileContent;
    } catch (IOException e) {
        throw new RuntimeException("IOException occurred. ", e);
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                throw new RuntimeException("IOException occurred. ", e);
            }
        }
    }
}

From source file:com.hazelcast.qasonar.utils.WhiteListBuilder.java

public static WhiteList fromJsonFile() {
    File file = new File(WHITE_LIST_FILENAME);
    if (!file.exists() || !file.isFile()) {
        return new WhiteList();
    }/*from ww  w  .  j a  v a 2 s.c  o m*/
    return fromJsonFile(WHITE_LIST_FILENAME);
}

From source file:ImageUtil.java

/**
 * get image thumbnail//  w w w.  j av  a 2  s.  c  o  m
 * @param imageFile
 */
public static ImageIcon getImageThumbnail(File imageFile, int width, int height) {
    ImageIcon thumbnail = null;
    if (imageFile != null && imageFile.isFile()) {
        ImageIcon tmpIcon = new ImageIcon(imageFile.getPath());
        if (tmpIcon != null) {
            if (tmpIcon.getIconWidth() > width) {
                int targetHeight = width / tmpIcon.getIconWidth() * tmpIcon.getIconHeight();
                if (targetHeight > height) {
                    targetHeight = height;
                } else {
                    targetHeight = -1;
                }
                thumbnail = new ImageIcon(
                        tmpIcon.getImage().getScaledInstance(width, targetHeight, Image.SCALE_AREA_AVERAGING));
            } else {
                thumbnail = tmpIcon;
            }
        }
    }
    return thumbnail;
}