| #Java - Code Snippets for '#File' - 81 code snippet(s) found |
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 Sample 1. Method to get all files from a directory recursively | |
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List<File> fileList = new ArrayList();
List<File> read(String dir) throws IOException{
File directory = new File(dir);
File[] fList = directory.listFiles();
for(File file:fList){
if(file.isDirectory()){
read(file.getPath());
} else {
fileList.add(file);
}
}
return fileList;
}
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 Like  Feedback  file handling file isDirectory() .getPath() recursion java.io.File |
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| Sample 2. Load Properties using Property Class | |
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private static Properties props = null;
private static void loadProperties(){
try {
if(props == null || props1 == null || props2 == null){
props = new Properties();
props.load(new FileInputStream(Constants.PROP_BASE_DIR + Constants.EMPLOYEE_REPORTING_PROP));
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
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| Like Feedback property class properties FileInputStream file handling |
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| Sample 3. Method to check if the the file exists and not a directory | |
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public static boolean isOleFile(File file)
{
if ((file == null) || (!file.exists()) || (file.isDirectory())) {
return false;
}
return true;
}
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| Like Feedback file handling check if file exists File class check if file is a directory file.isDirectory file.exists |
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| Sample 4. Code Sample / Example / Snippet of java.io.FileOutputStream | |
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public static void copy(File input, File output) throws IOException {
FileInputStream fis = new FileInputStream(input);
FileOutputStream fos = new FileOutputStream(output);
try {
FileChannel ic = fis.getChannel();
FileChannel oc = fos.getChannel();
try {
oc.transferFrom(ic, 0, ic.size());
}
finally {
oc.close();
ic.close();
}
}
finally {
fis.close();
fos.close();
}
}
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| Like Feedback java.io.FileOutputStream |
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| Sample 5. Code Sample / Example / Snippet of org.apache.bcel.classfile.AnnotationEntry | |
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protected String dumpAnnotationEntries(final AnnotationEntry[] as)
{
final StringBuilder result = new StringBuilder();
result.append("[");
for (int i = 0; i < as.length; i++)
{
final AnnotationEntry annotation = as[i];
result.append(annotation.toShortString());
if (i + 1 < as.length) {
result.append(",");
}
}
result.append("]");
return result.toString();
}
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| Like Feedback org.apache.bcel.classfile.AnnotationEntry |
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| Sample 6. Code Sample / Example / Snippet of org.apache.bcel.classfile.Deprecated | |
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public Attribute copy( final ConstantPool _constant_pool ) {
final Deprecated c = (Deprecated) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.setConstantPool(_constant_pool);
return c;
}
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| Like Feedback org.apache.bcel.classfile.Deprecated |
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| Sample 7. Code Sample / Example / Snippet of org.apache.bcel.classfile.Field | |
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public void visitGETSTATIC(final GETSTATIC o) {
try {
final String field_name = o.getFieldName(cpg);
final JavaClass jc = Repository.lookupClass(getObjectType(o).getClassName());
final Field[] fields = jc.getFields();
Field f = null;
for (final Field field : fields) {
if (field.getName().equals(field_name)) {
f = field;
break;
}
}
if (f == null) {
throw new AssertionViolatedException("Field '" + field_name + "' not found in " + jc.getClassName());
}
if (! (f.isStatic())) {
constraintViolated(o, "Referenced field '"+f+"' is not static which it should be.");
}
} catch (final ClassNotFoundException e) {
throw new AssertionViolatedException("Missing class: " + e, e);
}
}
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| Like Feedback org.apache.bcel.classfile.Field |
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| Sample 8. Write a program that reads file using FileReader and BufferedReader | |
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File file = new File("/home/sample.txt");
FileReader fileReader = new FileReader(file);
BufferedReader bufferedReader = new BufferedReader(fileReader);
while ((line = bufferedReader.readLine()) != null) {
System.out.println(line);
}
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| Like Feedback File handling FileReader BufferedReader |
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| Sample 9. Get the content of a file in a string | |
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import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
public class FileToString {
public static void main(String[] args) throws IOException {
String line = null;
String wholePage = "";
FileReader fileReader =
new FileReader("/home/vivekvermani/test.txt");
BufferedReader bufferedReader =
new BufferedReader(fileReader);
while((line = bufferedReader.readLine()) != null) {
wholePage = wholePage + line + "
";
}
bufferedReader.close();
System.out.println(wholePage);
}
}
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| Like Feedback reading file to string import |
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| Sample 10. getting file path, absolute path and canonical path | |
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public static void main(String[] args){
String parent = null;
File file = new File("/file.txt");
System.out.println(file.getPath());
System.out.println(file.getAbsolutePath());
try {
System.out.println(file.getCanonicalPath());
} catch (IOException e) {
e.printStackTrace();
}
}
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| Like Feedback file absolute path canonical path canonical file handling java.io.IOException |
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| Sample 11. Write to a file using File, FileOutputStream and ObjectOutputStream | |
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class BuggyBread1{
public static void main(String[] args){
try {
BuggyBread1 buggybread1 = new BuggyBread1();
ObjectOutputStream objectOutputStream = new ObjectOutputStream(new FileOutputStream(new File("newFile.txt")));
objectOutputStream.writeObject(buggybread1);
} catch (Exception e) {
e.printStackTrace();
}
}
}
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| Like Feedback File FileOutputStream ObjectOutputStream file handling |
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| Sample 12. Method to get specific format files from a directory | |
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private Collection<File> getDocAndTextFiles() {
File directory = new File("C:DocDir");
if (directory.exists() && directory.isDirectory()) {
Collection<File> files = FileUtils.listFiles(directory, new String[] { "doc","txt" }, false);
}
return files;
}
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| Like Feedback file handling file directory FileUtils.listFiles fileutils |
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| Sample 13. Load XLS file and print first column using poi XSSFWorkbook | |
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public XSSFWorkbook loadXLSAndPrintFirstColumn(File xlsFile) {
InputStream inputStream = null;
try {
inputStream = new FileInputStream(xlsFile);
XSSFWorkbook xssFWorkbook = new XSSFWorkbook(inputStream);
Sheet sheet = workbook.getSheetAt(workbook.getActiveSheetIndex());
for (int index = 0; index < sheet.getPhysicalNumberOfRows(); index++) {
try {
Row row = sheet.getRow(index);
System.out.println(row.getCell(0,Row.CREATE_NULL_AS_BLANK).getStringCellValue()));
} catch (Exception e) {
System.out.println("Exception");
}
}
}
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| Like Feedback readinf xls reading excel apache poi XSSFWorkbook InputStream |
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| Sample 14. Create a new File | |
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File file = new File("xyz.txt");
boolean status = file.createNewFile();
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| Like Feedback file file handling file.createnewfile |
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| Sample 15. Create a new Directory | |
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File dir = new File("c:xyz");
boolean status = file.mkdir();
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| Like Feedback file handling creating new directory file.mkdir |
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| Sample 16. Usage of java.io.FileInputStream | |
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FileInputStream fis = new FileInputStream("mypodcast.mp3");
InputStreamRequestEntity re = new InputStreamRequestEntity(fis, "audio/mp3");
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| Like Feedback ileInputStrea |
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| Sample 17. Usage of org.apache.hadoop.hdfs.server.namenode.FSEditLog.EditLogFileInputStream | |
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EditLogFileInputStream edits =
new EditLogFileInputStream(getImageFile(sd, NameNodeFile.EDITS));
numEdits = FSEditLog.loadFSEdits(edits);
edits.close();
File editsNew = getImageFile(sd, NameNodeFile.EDITS_NEW);
if (editsNew.exists() && editsNew.length() > 0) {
edits = new EditLogFileInputStream(editsNew);
numEdits += FSEditLog.loadFSEdits(edits);
edits.close();
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| Like Feedback EditLogFileInputStream Apache Hadoop |
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| Sample 18. Usage of MD5MD5CRC32FileChecksum | |
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final MD5MD5CRC32FileChecksum checksum = DFSClient.getFileChecksum(filename, nnproxy, socketFactory, socketTimeout);
MD5MD5CRC32FileChecksum.write(xml, checksum);
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| Like Feedback MD5MD5CRC32FileChecksum Apache Hadoop |
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| Sample 19. Usage of java.nio.channels.FileLock | |
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File lockF = new File(root, STORAGE_FILE_LOCK);
lockF.deleteOnExit();
RandomAccessFile file = new RandomAccessFile(lockF, "rws");
FileLock res = null;
try {
res = file.getChannel().tryLock();
} catch(OverlappingFileLockException oe) {
}
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| Like Feedback java.nio FileLock input output file handling |
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| Sample 20. Code Sample / Example / Snippet of org.apache.hadoop.fs.FileStatus | |
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public synchronized void setPermission(String src, FsPermission permission
) throws IOException {
checkOwner(src);
dir.setPermission(src, permission);
getEditLog().logSync();
if (auditLog.isInfoEnabled()) {
final FileStatus stat = dir.getFileInfo(src);
logAuditEvent(UserGroupInformation.getCurrentUGI(),
Server.getRemoteIp(),
"setPermission", src, null, stat);
}
}
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| Like Feedback org.apache.hadoop.fs.FileStatus |
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| Sample 21. Code Sample / Example / Snippet of org.apache.hadoop.hdfs.DistributedFileSystem | |
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public int metaSave(String[] argv, int idx) throws IOException {
String pathname = argv[idx];
DistributedFileSystem dfs = (DistributedFileSystem) fs;
dfs.metaSave(pathname);
System.out.println("Created file " + pathname + " on server " +
dfs.getUri());
return 0;
}
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| Like Feedback org.apache.hadoop.hdfs.DistributedFileSystem |
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| Sample 22. Code Sample / Example / Snippet of org.apache.hadoop.fs.FileSystem | |
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public static long getTimestamp(Configuration conf, URI cache)
throws IOException {
FileSystem fileSystem = FileSystem.get(cache, conf);
Path filePath = new Path(cache.getPath());
return fileSystem.getFileStatus(filePath).getModificationTime();
}
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| Like Feedback org.apache.hadoop.fs.FileSystem |
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| Sample 23. Code Sample / Example / Snippet of org.apache.storm.blobstore.BlobStoreFile | |
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public void testGetFileLength() throws IOException {
FileSystem fs = dfscluster.getFileSystem();
Map conf = new HashMap();
String validKey = "validkeyBasic";
String testString = "testingblob";
TestHdfsBlobStoreImpl hbs = new TestHdfsBlobStoreImpl(blobDir, conf, hadoopConf);
BlobStoreFile pfile = hbs.write(validKey, false);
SettableBlobMeta meta = new SettableBlobMeta();
meta.set_replication_factor(1);
pfile.setMetadata(meta);
OutputStream ios = pfile.getOutputStream();
ios.write(testString.getBytes(Charset.forName("UTF-8")));
ios.close();
assertEquals(testString.getBytes(Charset.forName("UTF-8")).length, pfile.getFileLength());
}
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| Like Feedback org.apache.storm.blobstore.BlobStoreFile |
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| Sample 24. Code Sample / Example / Snippet of java.io.File | |
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public Schema create(SchemaPlus parentSchema, String name,
Map<String, Object> operand) {
final String directory = (String) operand.get("directory");
final File base =
(File) operand.get(ModelHandler.ExtraOperand.BASE_DIRECTORY.camelName);
File directoryFile = new File(directory);
if (base != null && !directoryFile.isAbsolute()) {
directoryFile = new File(base, directory);
}
String flavorName = (String) operand.get("flavor");
CsvTable.Flavor flavor;
if (flavorName == null) {
flavor = CsvTable.Flavor.SCANNABLE;
} else {
flavor = CsvTable.Flavor.valueOf(flavorName.toUpperCase());
}
return new CsvSchema(directoryFile, flavor);
}
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| Like Feedback java.io.File |
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| Sample 25. Code Sample / Example / Snippet of java.io.FileWriter | |
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private String createArtifact(String string) throws IOException {
File tmpFile = File.createTempFile("vap", "vm");
tmpFile.delete();
tmpFile.deleteOnExit();
FileWriter writer = new FileWriter(tmpFile);
writer.write(string);
writer.flush();
writer.close();
return tmpFile.toURI().toURL().toExternalForm();
}
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| Like Feedback java.io.FileWriter |
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| Sample 26. Code Sample / Example / Snippet of java.nio.channels.FileChannel | |
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public static void copy(File input, File output) throws IOException {
FileInputStream fis = new FileInputStream(input);
FileOutputStream fos = new FileOutputStream(output);
try {
FileChannel ic = fis.getChannel();
FileChannel oc = fos.getChannel();
try {
oc.transferFrom(ic, 0, ic.size());
}
finally {
oc.close();
ic.close();
}
}
finally {
fis.close();
fos.close();
}
}
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| Like Feedback java.nio.channels.FileChannel |
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| Sample 27. Code Sample / Example / Snippet of java.io.FileInputStream | |
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public static void copy(File input, File output) throws IOException {
FileInputStream fis = new FileInputStream(input);
FileOutputStream fos = new FileOutputStream(output);
try {
FileChannel ic = fis.getChannel();
FileChannel oc = fos.getChannel();
try {
oc.transferFrom(ic, 0, ic.size());
}
finally {
oc.close();
ic.close();
}
}
finally {
fis.close();
fos.close();
}
}
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| Like Feedback java.io.FileInputStream |
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| Sample 28. Code Sample / Example / Snippet of java.io.File | |
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private ArtifactObject createArtifact(String name, Attributes attrs, InputStream is) throws Exception {
ArtifactObject artifact = findArtifact(name, attrs);
if (artifact != null) {
return artifact;
}
else if (Boolean.parseBoolean(attrs.getValue(DEPLOYMENT_PACKAGE_MISSING))) {
m_log.log(LogService.LOG_WARNING, String.format("Unable to create artifact '%s' as it is missing...", name));
return null;
}
else {
m_log.log(LogService.LOG_INFO, String.format("Creating artifact '%s'...", name));
File file = storeArtifactContents(name, is);
try {
return m_workspace.createArtifact(file.toURI().toURL().toExternalForm(), true /* upload */);
}
finally {
file.delete();
}
}
}
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| Like Feedback java.io.File |
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| Sample 29. Code Sample / Example / Snippet of org.apache.bcel.classfile.AnnotationDefault | |
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public void testMethodAnnotations() throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.SimpleAnnotation");
final Method m = getMethod(clazz, "fruit");
final AnnotationDefault a = (AnnotationDefault) findAttribute(
"AnnotationDefault", m.getAttributes());
final SimpleElementValue val = (SimpleElementValue) a.getDefaultValue();
assertTrue("Should be STRING but is " + val.getElementValueType(), val
.getElementValueType() == ElementValue.STRING);
assertTrue("Should have default of bananas but default is "
+ val.getValueString(), val.getValueString().equals("bananas"));
}
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| Like Feedback org.apache.bcel.classfile.AnnotationDefault |
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| Sample 30. Code Sample / Example / Snippet of org.apache.bcel.classfile.Method | |
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public void testMethodAnnotations() throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.SimpleAnnotation");
final Method m = getMethod(clazz, "fruit");
final AnnotationDefault a = (AnnotationDefault) findAttribute(
"AnnotationDefault", m.getAttributes());
final SimpleElementValue val = (SimpleElementValue) a.getDefaultValue();
assertTrue("Should be STRING but is " + val.getElementValueType(), val
.getElementValueType() == ElementValue.STRING);
assertTrue("Should have default of bananas but default is "
+ val.getValueString(), val.getValueString().equals("bananas"));
}
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| Like Feedback org.apache.bcel.classfile.Method |
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| Sample 31. Code Sample / Example / Snippet of org.apache.bcel.classfile.SimpleElementValue | |
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public void testMethodAnnotations() throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.SimpleAnnotation");
final Method m = getMethod(clazz, "fruit");
final AnnotationDefault a = (AnnotationDefault) findAttribute(
"AnnotationDefault", m.getAttributes());
final SimpleElementValue val = (SimpleElementValue) a.getDefaultValue();
assertTrue("Should be STRING but is " + val.getElementValueType(), val
.getElementValueType() == ElementValue.STRING);
assertTrue("Should have default of bananas but default is "
+ val.getValueString(), val.getValueString().equals("bananas"));
}
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| Like Feedback org.apache.bcel.classfile.SimpleElementValue |
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| Sample 32. Code Sample / Example / Snippet of org.apache.bcel.classfile.JavaClass | |
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public void testMethodAnnotations() throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.SimpleAnnotation");
final Method m = getMethod(clazz, "fruit");
final AnnotationDefault a = (AnnotationDefault) findAttribute(
"AnnotationDefault", m.getAttributes());
final SimpleElementValue val = (SimpleElementValue) a.getDefaultValue();
assertTrue("Should be STRING but is " + val.getElementValueType(), val
.getElementValueType() == ElementValue.STRING);
assertTrue("Should have default of bananas but default is "
+ val.getValueString(), val.getValueString().equals("bananas"));
}
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| Like Feedback org.apache.bcel.classfile.JavaClass |
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| Sample 33. Code Sample / Example / Snippet of org.apache.bcel.classfile.Attribute | |
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protected String dumpAttributes(final Attribute[] as)
{
final StringBuilder result = new StringBuilder();
result.append("AttributeArray:[");
for (int i = 0; i < as.length; i++)
{
final Attribute attr = as[i];
result.append(attr.toString());
if (i + 1 < as.length) {
result.append(",");
}
}
result.append("]");
return result.toString();
}
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| Like Feedback org.apache.bcel.classfile.Attribute |
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| Sample 34. Code Sample / Example / Snippet of org.apache.bcel.classfile.EnclosingMethod | |
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public void testCheckMethodLevelNamedInnerClass()
throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.AttributeTestClassEM01$1S");
final ConstantPool pool = clazz.getConstantPool();
final Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
assertTrue("Expected 1 EnclosingMethod attribute but found "
+ encMethodAttrs.length, encMethodAttrs.length == 1);
final EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
final String enclosingClassName = em.getEnclosingClass().getBytes(pool);
final String enclosingMethodName = em.getEnclosingMethod().getName(pool);
assertTrue(
"Expected class name to be '"+PACKAGE_BASE_SIG+"/data/AttributeTestClassEM01' but was "
+ enclosingClassName, enclosingClassName
.equals(PACKAGE_BASE_SIG+"/data/AttributeTestClassEM01"));
assertTrue("Expected method name to be 'main' but was "
+ enclosingMethodName, enclosingMethodName.equals("main"));
}
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| Like Feedback org.apache.bcel.classfile.EnclosingMethod |
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| Sample 35. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantPool | |
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public void testCheckMethodLevelNamedInnerClass()
throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.AttributeTestClassEM01$1S");
final ConstantPool pool = clazz.getConstantPool();
final Attribute[] encMethodAttrs = findAttribute("EnclosingMethod", clazz);
assertTrue("Expected 1 EnclosingMethod attribute but found "
+ encMethodAttrs.length, encMethodAttrs.length == 1);
final EnclosingMethod em = (EnclosingMethod) encMethodAttrs[0];
final String enclosingClassName = em.getEnclosingClass().getBytes(pool);
final String enclosingMethodName = em.getEnclosingMethod().getName(pool);
assertTrue(
"Expected class name to be '"+PACKAGE_BASE_SIG+"/data/AttributeTestClassEM01' but was "
+ enclosingClassName, enclosingClassName
.equals(PACKAGE_BASE_SIG+"/data/AttributeTestClassEM01"));
assertTrue("Expected method name to be 'main' but was "
+ enclosingMethodName, enclosingMethodName.equals("main"));
}
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| Like Feedback org.apache.bcel.classfile.ConstantPool |
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| Sample 36. Code Sample / Example / Snippet of org.apache.bcel.classfile.ArrayElementValue | |
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private void assertArrayElementValue(final int nExpectedArrayValues, final AnnotationEntry anno)
{
final ElementValuePair elementValuePair = anno.getElementValuePairs()[0];
assertEquals("value", elementValuePair.getNameString());
final ArrayElementValue ev = (ArrayElementValue) elementValuePair.getValue();
final ElementValue[] eva = ev.getElementValuesArray();
assertEquals(nExpectedArrayValues, eva.length);
}
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| Like Feedback org.apache.bcel.classfile.ArrayElementValue |
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| Sample 37. Code Sample / Example / Snippet of org.apache.bcel.classfile.ElementValuePair | |
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private void assertArrayElementValue(final int nExpectedArrayValues, final AnnotationEntry anno)
{
final ElementValuePair elementValuePair = anno.getElementValuePairs()[0];
assertEquals("value", elementValuePair.getNameString());
final ArrayElementValue ev = (ArrayElementValue) elementValuePair.getValue();
final ElementValue[] eva = ev.getElementValuesArray();
assertEquals(nExpectedArrayValues, eva.length);
}
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| Like Feedback org.apache.bcel.classfile.ElementValuePair |
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| Sample 38. Code Sample / Example / Snippet of org.apache.bcel.classfile.ClassParser | |
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private void testJar(final File file) throws Exception {
System.out.println(file);
try (JarFile jar = new JarFile(file)) {
final Enumeration<JarEntry> en = jar.entries();
while (en.hasMoreElements()) {
final JarEntry e = en.nextElement();
final String name = e.getName();
if (name.endsWith(".class")) {
try (InputStream in = jar.getInputStream(e)) {
final ClassParser parser = new ClassParser(in, name);
final JavaClass jc = parser.parse();
for (final Method m : jc.getMethods()) {
compare(name, m);
}
}
}
}
}
}
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| Like Feedback org.apache.bcel.classfile.ClassParser |
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| Sample 39. Code Sample / Example / Snippet of org.apache.bcel.classfile.Code | |
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private void compare(final String name, final Method m) {
final Code c = m.getCode();
if (c == null) {
return; // e.g. abstract method
}
final byte[] src = c.getCode();
final InstructionList il = new InstructionList(src);
final byte[] out = il.getByteCode();
if (src.length == out.length) {
assertArrayEquals(name + ": " + m.toString(), src, out);
} else {
System.out.println(name + ": " + m.toString() + " " + src.length + " " + out.length);
System.out.println(bytesToHex(src));
System.out.println(bytesToHex(out));
for (final InstructionHandle ih : il) {
System.out.println(ih.toString(false));
}
fail("Array comparison failure");
}
}
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| Like Feedback org.apache.bcel.classfile.Code |
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| Sample 40. Code Sample / Example / Snippet of org.apache.bcel.classfile.LocalVariableTable | |
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public void testB79() throws ClassNotFoundException
{
final JavaClass clazz = getTestClass(PACKAGE_BASE_NAME+".data.PLSETestClass");
final ClassGen gen = new ClassGen(clazz);
final ConstantPoolGen pool = gen.getConstantPool();
final Method m = gen.getMethodAt(2);
final LocalVariableTable lvt = m.getLocalVariableTable();
final MethodGen mg = new MethodGen(m, gen.getClassName(), pool);
final LocalVariableTable new_lvt = mg.getLocalVariableTable(mg.getConstantPool());
assertEquals("number of locals", lvt.getTableLength(), new_lvt.getTableLength());
}
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| Like Feedback org.apache.bcel.classfile.LocalVariableTable |
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| Sample 41. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantUtf8 | |
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public static String[] getClassDependencies(ConstantPool pool) {
String[] tempArray = new String[pool.getLength()];
int size = 0;
StringBuilder buf = new StringBuilder();
for (int idx = 0; idx < pool.getLength(); idx++) {
Constant c = pool.getConstant(idx);
if (c != null && c.getTag() == Constants.CONSTANT_Class) {
ConstantUtf8 c1 = (ConstantUtf8) pool.getConstant(((ConstantClass) c).getNameIndex());
buf.setLength(0);
buf.append(c1.getBytes());
for (int n = 0; n < buf.length(); n++) {
if (buf.charAt(n) == '/') {
buf.setCharAt(n, '.');
}
}
tempArray[size++] = buf.toString();
}
}
String[] dependencies = new String[size];
System.arraycopy(tempArray, 0, dependencies, 0, size);
return dependencies;
}
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| Like Feedback org.apache.bcel.classfile.ConstantUtf8 |
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| Sample 42. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantNameAndType | |
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private void visitRef(ConstantCP ccp, boolean method) {
String class_name = ccp.getClass(cp);
add(class_name);
ConstantNameAndType cnat = (ConstantNameAndType) cp.getConstant(ccp.getNameAndTypeIndex(),
Constants.CONSTANT_NameAndType);
String signature = cnat.getSignature(cp);
if (method) {
Type type = Type.getReturnType(signature);
checkType(type);
for (Type type1 : Type.getArgumentTypes(signature)) {
checkType(type1);
}
} else {
checkType(Type.getType(signature));
}
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantNameAndType |
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|
| Sample 43. Code Sample / Example / Snippet of org.apache.bcel.classfile.Constant | |
|
public String getEnumTypeString()
{
return ((ConstantUtf8) getConstantPool().getConstant(typeIdx))
.getBytes();
}
|
|
| Like Feedback org.apache.bcel.classfile.Constant |
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|
| Sample 44. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantInteger | |
|
public int getValueInt()
{
if (super.getElementValueType() != PRIMITIVE_INT) {
throw new RuntimeException(
"Dont call getValueString() on a non STRING ElementValue");
}
final ConstantInteger c = (ConstantInteger) getConstantPool().getConstant(idx);
return c.getBytes();
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantInteger |
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|
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| Sample 45. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantClass | |
|
public String getEnumTypeString()
{
return ((ConstantUtf8) getConstantPool().getConstant(typeIdx))
.getBytes();
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantClass |
|
|
| Sample 46. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantCP | |
|
public String getClassName( final ConstantPoolGen cpg ) {
final ConstantPool cp = cpg.getConstantPool();
final ConstantCP cmr = (ConstantCP) cp.getConstant(super.getIndex());
final String className = cp.getConstantString(cmr.getClassIndex(), Const.CONSTANT_Class);
if (className.startsWith("[")) {
return "java.lang.Object";
}
return className.replace('/', '.');
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantCP |
|
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| Sample 47. Code Sample / Example / Snippet of org.apache.bcel.classfile.Annotations | |
|
public FieldGen(final Field field, final ConstantPoolGen cp) {
this(field.getAccessFlags(), Type.getType(field.getSignature()), field.getName(), cp);
final Attribute[] attrs = field.getAttributes();
for (final Attribute attr : attrs) {
if (attr instanceof ConstantValue) {
setValue(((ConstantValue) attr).getConstantValueIndex());
} else if (attr instanceof Annotations) {
final Annotations runtimeAnnotations = (Annotations)attr;
final AnnotationEntry[] annotationEntries = runtimeAnnotations.getAnnotationEntries();
for (final AnnotationEntry element : annotationEntries) {
addAnnotationEntry(new AnnotationEntryGen(element,cp,false));
}
} else {
addAttribute(attr);
}
}
}
|
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| Like Feedback org.apache.bcel.classfile.Annotations |
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|
| Sample 48. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantFloat | |
|
public int lookupFloat( final float n ) {
final int bits = Float.floatToIntBits(n);
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantFloat) {
final ConstantFloat c = (ConstantFloat) constants[i];
if (Float.floatToIntBits(c.getBytes()) == bits) {
return i;
}
}
}
return -1;
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantFloat |
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|
| Sample 49. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantString | |
|
public String stringifyValue()
{
final ConstantUtf8 cu8 = (ConstantUtf8) getConstantPool().getConstant(valueIdx);
return cu8.getBytes();
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantString |
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|
|
| Sample 50. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantLong | |
|
public int lookupLong( final long n ) {
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantLong) {
final ConstantLong c = (ConstantLong) constants[i];
if (c.getBytes() == n) {
return i;
}
}
}
return -1;
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantLong |
|
|
| Sample 51. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantDouble | |
|
public int lookupDouble( final double n ) {
final long bits = Double.doubleToLongBits(n);
for (int i = 1; i < index; i++) {
if (constants[i] instanceof ConstantDouble) {
final ConstantDouble c = (ConstantDouble) constants[i];
if (Double.doubleToLongBits(c.getBytes()) == bits) {
return i;
}
}
}
return -1;
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantDouble |
|
|
| Sample 52. Code Sample / Example / Snippet of org.apache.bcel.classfile.ConstantValue | |
|
public void visitField( final Field field ) {
_out.println();
_out.println(" field = new FieldGen(" + printFlags(field.getAccessFlags()) + ", "
+ printType(field.getSignature()) + ", "" + field.getName() + "", _cp);");
final ConstantValue cv = field.getConstantValue();
if (cv != null) {
final String value = cv.toString();
_out.println(" field.setInitValue(" + value + ")");
}
_out.println(" _cg.addField(field.getField());");
}
|
|
| Like Feedback org.apache.bcel.classfile.ConstantValue |
|
|
| Sample 53. Code Sample / Example / Snippet of org.apache.bcel.classfile.MethodParameters | |
|
public Attribute copy(final ConstantPool _constant_pool) {
final MethodParameters c = (MethodParameters) clone();
c.parameters = new MethodParameter[parameters.length];
for (int i = 0; i < parameters.length; i++) {
c.parameters[i] = parameters[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.MethodParameters |
|
|
| Sample 54. Code Sample / Example / Snippet of org.apache.bcel.classfile.BootstrapMethods | |
|
public BootstrapMethods copy(final ConstantPool _constant_pool) {
final BootstrapMethods c = (BootstrapMethods) clone();
c.bootstrap_methods = new BootstrapMethod[bootstrap_methods.length];
for (int i = 0; i < bootstrap_methods.length; i++) {
c.bootstrap_methods[i] = bootstrap_methods[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.BootstrapMethods |
|
|
|
| Sample 55. Code Sample / Example / Snippet of org.apache.bcel.classfile.InnerClasses | |
|
public Attribute copy(final ConstantPool _constant_pool) {
final InnerClasses c = (InnerClasses) clone();
c.inner_classes = new InnerClass[inner_classes.length];
for (int i = 0; i < inner_classes.length; i++) {
c.inner_classes[i] = inner_classes[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.InnerClasses object initialization using clone |
|
|
| Sample 56. Code Sample / Example / Snippet of org.apache.bcel.classfile.Synthetic | |
|
public Attribute copy( final ConstantPool _constant_pool ) {
final Synthetic c = (Synthetic) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.Synthetic |
|
|
| Sample 57. Code Sample / Example / Snippet of org.apache.bcel.classfile.LocalVariableTypeTable | |
|
public Attribute copy(final ConstantPool constant_pool) {
final LocalVariableTypeTable c = (LocalVariableTypeTable) clone();
c.local_variable_type_table = new LocalVariable[local_variable_type_table.length];
for (int i = 0; i < local_variable_type_table.length; i++) {
c.local_variable_type_table[i] = local_variable_type_table[i].copy();
}
c.setConstantPool(constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.LocalVariableTypeTable |
|
|
| Sample 58. Code Sample / Example / Snippet of org.apache.bcel.classfile.Node | |
|
public void jjtAddChild(Node n, int i) {
if (children == null) {
children = new Node[i + 1];
} else if (i >= children.length) {
Node c[] = new Node[i + 1];
System.arraycopy(children, 0, c, 0, children.length);
children = c;
}
children[i] = n;
}
|
|
| Like Feedback org.apache.bcel.classfile.Node |
|
|
| Sample 59. Code Sample / Example / Snippet of org.apache.bcel.classfile.ParameterAnnotations | |
|
public static ParameterAnnotationEntry[] createParameterAnnotationEntries(final Attribute[] attrs) {
final List<ParameterAnnotationEntry> accumulatedAnnotations = new ArrayList<>(attrs.length);
for (final Attribute attribute : attrs) {
if (attribute instanceof ParameterAnnotations) {
final ParameterAnnotations runtimeAnnotations = (ParameterAnnotations)attribute;
Collections.addAll(accumulatedAnnotations, runtimeAnnotations.getParameterAnnotationEntries());
}
}
return accumulatedAnnotations.toArray(new ParameterAnnotationEntry[accumulatedAnnotations.size()]);
}
|
|
| Like Feedback org.apache.bcel.classfile.ParameterAnnotations |
|
|
|
| Sample 60. Code Sample / Example / Snippet of org.apache.bcel.classfile.Unknown | |
|
public Attribute copy( final ConstantPool _constant_pool ) {
final Unknown c = (Unknown) clone();
if (bytes != null) {
c.bytes = new byte[bytes.length];
System.arraycopy(bytes, 0, c.bytes, 0, bytes.length);
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.Unknown |
|
|
| Sample 61. Code Sample / Example / Snippet of org.apache.bcel.classfile.StackMap | |
|
public Attribute copy( final ConstantPool _constant_pool ) {
final StackMap c = (StackMap) clone();
c.map = new StackMapEntry[map.length];
for (int i = 0; i < map.length; i++) {
c.map[i] = map[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.StackMap |
|
|
| Sample 62. Code Sample / Example / Snippet of org.apache.bcel.classfile.LineNumberTable | |
|
public Attribute copy( final ConstantPool _constant_pool ) {
final LineNumberTable c = (LineNumberTable) clone();
c.line_number_table = new LineNumber[line_number_table.length];
for (int i = 0; i < line_number_table.length; i++) {
c.line_number_table[i] = line_number_table[i].copy();
}
c.setConstantPool(_constant_pool);
return c;
}
|
|
| Like Feedback org.apache.bcel.classfile.LineNumberTable |
|
|
| Sample 63. Code Sample / Example / Snippet of org.apache.bcel.classfile.DescendingVisitor | |
|
private void field_and_method_refs_are_valid() {
try {
final JavaClass jc = Repository.lookupClass(myOwner.getClassName());
final DescendingVisitor v = new DescendingVisitor(jc, new FAMRAV_Visitor(jc));
v.visit();
} catch (final ClassNotFoundException e) {
throw new AssertionViolatedException("Missing class: " + e, e);
}
}
|
|
| Like Feedback org.apache.bcel.classfile.DescendingVisitor |
|
|
| Sample 64. Code Sample / Example / Snippet of org.apache.commons.compress.archivers.zip.ZipFile | |
|
private void removeEntriesFoundInZipFile(final File result, final Map<String, byte[]> entries) throws IOException {
final ZipFile zf = new ZipFile(result);
final Enumeration<ZipArchiveEntry> entriesInPhysicalOrder = zf.getEntriesInPhysicalOrder();
while (entriesInPhysicalOrder.hasMoreElements()){
final ZipArchiveEntry zipArchiveEntry = entriesInPhysicalOrder.nextElement();
final InputStream inputStream = zf.getInputStream(zipArchiveEntry);
final byte[] actual = IOUtils.toByteArray(inputStream);
final byte[] expected = entries.remove(zipArchiveEntry.getName());
assertArrayEquals( "For " + zipArchiveEntry.getName(), expected, actual);
}
zf.close();
}
|
|
| Like Feedback org.apache.commons.compress.archivers.zip.ZipFile |
|
|
|
| Sample 65. Code Sample / Example / Snippet of org.apache.commons.compress.archivers.sevenz.SevenZOutputFile | |
|
public void testReadingBackLZMA2DictSize() throws Exception {
final File output = new File(dir, "lzma2-dictsize.7z");
final SevenZOutputFile outArchive = new SevenZOutputFile(output);
try {
outArchive.setContentMethods(Arrays.asList(new SevenZMethodConfiguration(SevenZMethod.LZMA2, 1 << 20)));
final SevenZArchiveEntry entry = new SevenZArchiveEntry();
entry.setName("foo.txt");
outArchive.putArchiveEntry(entry);
outArchive.write(new byte[] { 'A' });
outArchive.closeArchiveEntry();
} finally {
outArchive.close();
}
final SevenZFile archive = new SevenZFile(output);
try {
final SevenZArchiveEntry entry = archive.getNextEntry();
final SevenZMethodConfiguration m = entry.getContentMethods().iterator().next();
assertEquals(SevenZMethod.LZMA2, m.getMethod());
assertEquals(1 << 20, m.getOptions());
} finally {
archive.close();
}
}
|
|
| Like Feedback org.apache.commons.compress.archivers.sevenz.SevenZOutputFile |
|
|
| Sample 66. Code Sample / Example / Snippet of org.apache.commons.compress.archivers.sevenz.SevenZFile | |
|
public void testAllEmptyFilesArchive() throws Exception {
final SevenZFile archive = new SevenZFile(getFile("7z-empty-mhc-off.7z"));
try {
assertNotNull(archive.getNextEntry());
} finally {
archive.close();
}
}
|
|
| Like Feedback org.apache.commons.compress.archivers.sevenz.SevenZFile |
|
|
Sample 67. GunZip file using Apache Commons
| |
|
public void testGzipCreation() throws Exception {
final File input = getFile("test1.xml");
final File output = new File(dir, "test1.xml.gz");
final OutputStream out = new FileOutputStream(output);
try {
final CompressorOutputStream cos = new CompressorStreamFactory().createCompressorOutputStream("gz", out);
try {
IOUtils.copy(new FileInputStream(input), cos);
} finally {
cos.close();
}
} finally {
out.close();
}
}
|
|
| Like Feedback Zip file using Apache Commons Compress file using Apache Commons GunZip file using Apache Commons Code Sample / Example / Snippet of org.apache.commons.compress.compressors.CompressorOutputStream IOUtils.copy |
|
|
| Sample 68. Maven - Add Dependency in Pom File | |
|
<dependencies>
<dependency>
<groupId></groupId>
<artifactId></artifactId>
</dependency>
</dependencies>
|
|
| Like Feedback maven pom |
|
|
| Sample 69. Maven Pom File Template | |
|
<project>
<parent>
<groupId></groupId>
<artifactId></artifactId>
<version></version>
</parent>
<modelVersion></modelVersion>
<artifactId></artifactId>
<packaging></packaging>
<name></name>
<url></url>
<properties>
</properties>
<dependencies>
<dependency>
<groupId></groupId>
<artifactId></artifactId>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory></directory>
<filtering></filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-jar-plugin</artifactId>
</plugin>
<plugin>
<artifactId>maven-assembly-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
|
|
| Like Feedback maven pom file sample pom file |
|
|
|
| Sample 70. Maven - SCM ( Source Code Management ) config in POM file | |
|
<scm>
<connection></connection>
<developerConnection></developerConnection>
<url></url>
</scm>
|
|
| Like Feedback maven pom file maven scm configuration |
|
|
| Sample 71. Rename a File | |
|
public static void main(String[] args) {
File oldFileName = new File("D:/oldFile.txt");
File newFileName = new File("D:/newFile.txt");
oldFileName.renameTo(newFileName);
}
|
|
| Like Feedback file io input output rename a file renaming file |
|
|
| Sample 72. Write CSV values to a file using au.com.bytecode.opencsv.CSVWriter | |
|
String[] stringArray1 = new String[5];
String[] stringArray2 = new String[5];
String[] stringArray3 = new String[5];
List listOfStringArrays = new ArrayList();
listOfStringArrays.add(stringArray1);
listOfStringArrays.add(stringArray2);
listOfStringArrays.add(stringArray3);
File file = new File("BuggyBread.txt");
CSVWriter csvWriter = null;
try {
csvWriter = new CSVWriter(new FileWriter(file),CSVWriter.DEFAULT_SEPARATOR);
} catch (Exception ex){
}
csvWriter.writeAll(listOfStringArrays);
|
|
| Like Feedback array of Strings csv writer |
|
|
| Sample 73. Rolling File Appender for Log4j | |
|
ignoreExceptions="false">
%d %p %c - %m %n
|
|
| Like Feedback log4j log4j appender log4j rolling file appender |
|
|
| Sample 74. Sample Log4j config with Rolling File Appender within Time Based Triggering Policy | |
|
<Configuration status="DEBUG">
<Appenders>
<RollingFile name="File" fileName="logs/xyz.log" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
<TimeBasedTriggeringPolicy />
</RollingFile>
</Appenders>
<Loggers>
<Root level="DEBUG">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
|
|
| Like Feedback log4j rolling logs with log4j TimeBasedTriggeringPolicy |
|
|
|
| Sample 75. Sample Log4j config with RollingRandomAccessFile appender and TimeBasedTriggeringPolicy | |
|
<Configuration status="INFO">
<Appenders>
<RollingRandomAccessFile name="File" fileName="logs/xyz.log" immediateFlush="true" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
<TimeBasedTriggeringPolicy />
</RollingRandomAccessFile>
</Appenders>
<Loggers>
<Root level="INFO">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
|
|
| Like Feedback log4j rolling logs with log4j TimeBasedTriggeringPolicy RollingRandomAccessFile |
|
|
| Sample 76. Sample Log4j config file with RollingRandomAccessFile appender ( Rolling Logs ) and SizeBasedTriggeringPolicy | |
|
<Configuration status="INFO">
<Appenders>
<RollingRandomAccessFile name="File" fileName="logs/xyz.log" immediateFlush="true" filePattern="logs/xyz-%d{MM-dd-yyyy}.log.gz">
<SizeBasedTriggeringPolicy size="250 MB"/>
</RollingRandomAccessFile>
</Appenders>
<Loggers>
<Root level="INFO">
<AppenderRef ref="File" />
</Root>
</Loggers>
</Configuration>
|
|
| Like Feedback log4j SizeBasedTriggeringPolicy RollingRandomAccessFile |
|
|
Sample 77. Usage of
import org.springframework.web.servlet.config.annotation.EnableWebMvc;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurerAdapter;
import org.springframework.context.annotation.Bean;
import org.springframework.web.multipart.MultipartResolver; | |
|
@EnableWebMvc
@Configuration
public class Application extends WebMvcConfigurerAdapter {
@Bean
public MultipartResolver multipartResolver() {
CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver();
multipartResolver.setMaxUploadSize(500000);
return multipartResolver;
}
}
|
|
| Like Feedback Usage of MultipartResolver multipartResolver.setMaxUploadSize(500000) Setting max file size using Spring multipartResolver |
|
|
| Sample 78. Get only files from a directory using FileFilter | |
|
File dir = new File("C:/Folder");
File[] files = dir.listFiles(new FileFilter() {
@Override
public boolean accept(File file) {
return file.isFile();
}
});
|
|
| Like Feedback FileFilter |
|
|
| Sample 79. Get only sub directories in a directory using FileFilter | |
|
File dir = new File("C:/Folder");
File[] subdir = dir.listFiles(new FileFilter() {
@Override
public boolean accept(File file) {
return file.isDirectory();
}
});
|
|
| Like Feedback FileFilter |
|
|
|
| Sample 80. Write a Program to read a file and then count number of words | |
|
public class CountwordsinFile {
public static void main(String[] args) throws IOException{
String line = null;
File file = new File("C:Hello.txt");
FileReader fileReader = new FileReader(file);
BufferedReader bufferedReader = new BufferedReader(fileReader);
int countWords = 0;
do {
line = bufferedReader.readLine();
countWords += line.split(" ").length;
} while(line != null);
}
}
|
|
| Like Feedback file handling count number of words code coding file handling |
|
|
| Sample 81. Given a list of File objects, sort them by their name | |
|
public List sortFiles(List<File> files) {
files.sort(new Comparator<File>() {
@Override
public int compare(File file1, File file2) {
return file1.getName().compareTo(file2.getName());
}
});
return files.
}
|
|
| Like Feedback file |
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