Example usage for java.lang String lastIndexOf

Introduction

In this page you can find the example usage for java.lang String lastIndexOf.

Prototype

public int lastIndexOf(String str)

Source Link

Document

Returns the index within this string of the last occurrence of the specified substring.

Usage

From source file:Main.java

/**
 * Remove path and file information from a filename returning only its
 * extension  component/*from  w w w.  j a v a  2  s.  c  o m*/
 *
 * @param uri The filename
 * @return The filename extension (with starting dot!) or null if filename extension is not found
 */
public static String getExtension(String uri) {
    int dot = uri.lastIndexOf('.');
    if (dot > -1) {
        uri = uri.substring(dot);
        int slash = uri.lastIndexOf('/');
        if (slash > -1) {
            return null;
        } else {
            int sharp = uri.lastIndexOf('#');
            if (sharp > -1) {
                // uri starts with dot already
                return uri.substring(0, sharp);
            } else {
                int mark = uri.lastIndexOf('?');
                if (mark > -1) {
                    // uri starts with dot already
                    return uri.substring(0, mark);
                } else {
                    return uri;
                }
            }
        }
    } else {
        return null;
    }
}

From source file:Main.java

public static void save(String path, Bitmap bitmap) {

    String name = path.substring(path.lastIndexOf("/"));
    File file = new File(SAVE_PATH + name);
    try {//from  ww  w  . j a  v  a  2s  .com
        if (!file.exists()) {
            file.getParentFile().mkdirs();
            file.createNewFile();
        }
        FileOutputStream out = new FileOutputStream(file);
        if (bitmap != null) {
            bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
        }
        out.close();
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

public static String getPackageFromClassName(final String className) {
    if (className.contains(".")) {
        return className.substring(0, className.lastIndexOf('.'));
    }/*from w ww  .j a  v a2  s .c om*/
    return className;
}

From source file:Main.java

public static String oidTail(String id) {
    if (id == null || !id.contains("."))
        return id;
    return id.substring(id.lastIndexOf(".") + 1);
}

From source file:Main.java

public static String getFileType(String fileName) {
    if (fileName != "" && fileName.length() > 3) {
        int dot = fileName.lastIndexOf(".");
        if (dot > 0) {
            return fileName.substring(dot + 1);
        } else {/*from w  w  w . j ava 2 s . c o  m*/
            return "";
        }
    }
    return "";
}

From source file:org.obiba.mica.file.FileUtils.java

public static String getParentPath(String path) {
    int idx = path.lastIndexOf('/');
    return idx == 0 ? "/" : path.substring(0, idx);
}

From source file:Main.java

private static String getDynamicOptionParentInstanceId(String nodeset) {
    if (nodeset == null)
        return null;

    int pos1 = nodeset.lastIndexOf('/');
    if (pos1 < 0)
        return null;

    int pos2 = nodeset.lastIndexOf(']');
    if (pos2 < 0 || (pos1 == pos2))
        return null;

    return nodeset.substring(pos1 + 1, pos2);
}

From source file:Main.java

public static Comparator<String> createFuzzyKeyComparator() {
    return new Comparator<String>() {
        @Override//from  w  w w . ja  v a 2s. co  m
        public int compare(String key1, String key2) {
            String imageUri1 = key1.substring(0, key1.lastIndexOf(URI_AND_SIZE_SEPARATOR));
            String imageUri2 = key2.substring(0, key2.lastIndexOf(URI_AND_SIZE_SEPARATOR));
            return imageUri1.compareTo(imageUri2);
        }
    };
}

From source file:Main.java

static String[] splitFileName(String fileName) {
    String name = fileName;/*  ww  w.  ja v  a  2  s.co m*/
    String extension = "";
    int i = fileName.lastIndexOf(".");
    if (i != -1) {
        name = fileName.substring(0, i);
        extension = fileName.substring(i);
    }

    return new String[] { name, extension };
}

From source file:Main.java

private static String generateTag(StackTraceElement caller) {
    String tag = "%s.%s(L:%d)";
    String callerClazzName = caller.getClassName();
    callerClazzName = callerClazzName.substring(callerClazzName.lastIndexOf(".") + 1);
    tag = String.format(tag, callerClazzName, caller.getMethodName(), caller.getLineNumber());
    tag = TextUtils.isEmpty(customTagPrefix) ? tag : customTagPrefix + ":" + tag;
    return tag;/*from   w w w  .  jav a  2s . c  om*/
}