Java Code Examples for java.io.File#list()

The following examples show how to use java.io.File#list() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may want to check out the right sidebar which shows the related API usage.
Example 1
private void delete(File file) {
  if (!file.exists()) {
    return;
  }
  if (file.isDirectory()) {
    if (file.list().length == 0) {
      file.delete();
    }
    else {
      File[] files = file.listFiles();
      for (File f : files) {
        delete(f);
      }        
      file.delete();        
    }
  }
  else {
    file.delete();
  }
}
 
Example 2
Source Project: java_upgrade   File: FilenameFilterDemo.java    License: MIT License 6 votes vote down vote up
@SuppressWarnings("ConstantConditions")
public static void main(String[] args) {
    File directory = new File("src/main/java");

    // Print all files in directory
    String[] fileNames = directory.list();
    System.out.println(Arrays.asList(fileNames));

    // Print only Java source files in directory
    fileNames = directory.list(new FilenameFilter() {
        @Override
        public boolean accept(File dir, String name) {
            return name.endsWith(".java");
        }
    });
    System.out.println(Arrays.asList(fileNames));

    fileNames = directory.list((dir, name) -> name.endsWith(".java"));
    System.out.println(Arrays.asList(fileNames));

    Arrays.stream(fileNames)
            .forEach(s -> System.out.println("The current strings is " + s));

    Arrays.stream(fileNames)
            .forEach(System.out::println);
}
 
Example 3
public static boolean deleteDir(File dir) {
    if (dir != null && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }
        }
        return dir.delete();
    } else if (dir != null && dir.isFile()) {
        return dir.delete();
    } else {
        return false;
    }
}
 
Example 4
private void assertNoTraces(File directory) throws IOException {
    for (final String name : directory.list()) {
        final File file = new File(directory, name);

        if (file.isDirectory()) {
            assertNoTraces(file);
            continue;
        }

        if (NO_TRACES_IGNORE_LIST.contains(name)) {
            Log.d(LOGTAG, "assertNoTraces: Ignoring file '" + name + "'...");
            continue;
        }

        if (!file.exists()) {
            continue;
        }

        final String content = TestHelper.readFileToString(file);
        for (String trace : TEST_TRACES) {
            assertFalse("File '" + name + "' should not contain any traces of browser session (" + trace + ", path=" + file.getAbsolutePath() + ")",
                    content.contains(trace));
        }
    }
}
 
Example 5
String[] getFiles(String subdir) {
    String files[] = (String[]) subdirs.get(subdir);
    if (files == null) {
        // search the directory, exactly once
        File sd = new File(dir.getPath(), subdir);
        if (sd.isDirectory()) {
            files = sd.list();
            if (files == null) {
                // should not happen, but just in case, fail silently
                files = new String[0];
            }
            if (files.length == 0) {
                String nonEmpty[] = { "" };
                files = nonEmpty;
            }
        } else {
            files = new String[0];
        }
        subdirs.put(subdir, files);
    }
    return files;
}
 
Example 6
Source Project: Notebook   File: FileUtils.java    License: Apache License 2.0 5 votes vote down vote up
public static int deleteBlankPath(String path) {
	File f = new File(path);
	if (!f.canWrite()) {
		return 1;
	}
	if (f.list() != null && f.list().length > 0) {
		return 2;
	}
	if (f.delete()) {
		return 0;
	}
	return 3;
}
 
Example 7
private static void assertFileEquals(File expectedFile, File actualFile, boolean checkUnixMode)
	throws IOException, NoSuchAlgorithmException {
	assertTrue(actualFile.exists());
	assertTrue(expectedFile.exists());
	if (expectedFile.getAbsolutePath().equals(actualFile.getAbsolutePath())) {
		return;
	}

	if (isUnix && checkUnixMode) {
		Set<PosixFilePermission> expectedPerm = Files.getPosixFilePermissions(Paths.get(expectedFile.toURI()));
		Set<PosixFilePermission> actualPerm = Files.getPosixFilePermissions(Paths.get(actualFile.toURI()));
		assertEquals(expectedPerm, actualPerm);
	}

	if (expectedFile.isDirectory()) {
		assertTrue(actualFile.isDirectory());
		String[] expectedSubFiles = expectedFile.list();
		assertArrayEquals(expectedSubFiles, actualFile.list());
		if (expectedSubFiles != null) {
			for (String fileName : expectedSubFiles) {
				assertFileEquals(
					new File(expectedFile.getAbsolutePath(), fileName),
					new File(actualFile.getAbsolutePath(), fileName));
			}
		}
	} else {
		assertEquals(expectedFile.length(), actualFile.length());
		if (expectedFile.length() > 0) {
			assertTrue(org.apache.commons.io.FileUtils.contentEquals(expectedFile, actualFile));
		}
	}
}
 
Example 8
private static boolean deleteDir(File dir) {
    if (dir == null)
        return false;
    if (dir.isDirectory()) {
        String[] children = dir.list();
        for (String child : children) {
            boolean success = deleteDir(new File(dir, child));
            if (!success)
                return false;
        }
    }
    return dir.delete();
}
 
Example 9
Source Project: AnimeTaste   File: CacheUtils.java    License: MIT License 5 votes vote down vote up
public static boolean deleteDir(File dir) {
    if (dir != null && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }
        }
    }
    return dir.delete();
}
 
Example 10
/**
 * Generate Java files (*.java) from Symja rule files (*.m)
 * 
 * @param sourceLocation  source directory for rule (*.m) files
 * @param ignoreTimestamp if <code>false</code> only change the target file (*.java), if the source file (*.m) has a newer time
 *                        stamp than the target file.
 */
public static void generateFunctionStrings1(final File sourceLocation, boolean ignoreTimestamp) {
	if (sourceLocation.exists()) {
		// Get the list of the files contained in the package
		final String[] files = sourceLocation.list();
		if (files != null) {
			StringBuilder buffer = new StringBuilder(16000);
			for (int i = 0; i < files.length; i++) { 
				// we are only interested in .java files
				if (files[i].endsWith(".java")) {
					String className = files[i].substring(0, files[i].length() - 5);
					String lcClassName = className.length() == 1 ? className : className.toLowerCase();

					// public final static ISymbol Collect =
					// initFinalSymbol(Config.PARSER_USE_LOWERCASE_SYMBOLS ?
					// "collect" : "Collect",
					// new org.matheclipse.core.builtin.function.Collect());
					buffer.append("public final static ISymbol ");
					buffer.append(className);
					buffer.append(" = initFinalSymbol(\n");
					buffer.append("		Config.PARSER_USE_LOWERCASE_SYMBOLS ? \"" + lcClassName + "\" : \""
							+ className + "\",\n");

					buffer.append("		new org.matheclipse.core.builtin.function.");
					buffer.append(className);
					buffer.append("());\n");
				}
			}
			System.out.println(buffer.toString());
		}
	}

}
 
Example 11
@After
public void after() throws Exception {
    FileUtils.deleteQuietly(new File(LocalFileMetadataTestCase.LOCALMETA_TEST_DATA + FILE_1));
    FileUtils.deleteQuietly(new File(LocalFileMetadataTestCase.LOCALMETA_TEST_DATA + FILE_2));
    File directory = new File(dstPath);
    try {
        FileUtils.deleteDirectory(directory);
    } catch (IOException e) {
        if (directory.exists() && directory.list().length > 0)
            throw new IllegalStateException("Can't delete directory " + directory, e);
    }
    this.cleanupTestMetadata();
}
 
Example 12
Source Project: android_9.0.0_r45   File: FileUtils.java    License: Apache License 2.0 5 votes vote down vote up
public static @NonNull String[] listOrEmpty(@Nullable File dir) {
    if (dir == null) return EmptyArray.STRING;
    final String[] res = dir.list();
    if (res != null) {
        return res;
    } else {
        return EmptyArray.STRING;
    }
}
 
Example 13
Source Project: tddl5   File: JE_Table.java    License: Apache License 2.0 5 votes vote down vote up
@SuppressWarnings("unused")
private static boolean deleteDir(File dir) {
    if (dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }
        }
    }
    // 目录此时为空,可以删除
    return dir.delete();
}
 
Example 14
public static boolean deleteDir(File dir) {
    if (dir != null && dir.isDirectory()) {
        String[] children = dir.list();
        for (int i = 0; i < children.length; i++) {
            boolean success = deleteDir(new File(dir, children[i]));
            if (!success) {
                return false;
            }
        }
    }
    return dir.delete();
}
 
Example 15
private static boolean isDirectoryEmpty(File directory) {
	if (!directory.exists()) {
		return true;
	}
	String[] nested = directory.list();
	return nested == null || nested.length == 0;
}
 
Example 16
Source Project: SimplifyReader   File: DownloadManager.java    License: Apache License 2.0 5 votes vote down vote up
private HashMap<String, DownloadInfo> getNewDownloadedData() {
	downloadedData = new HashMap<String, DownloadInfo>();
	if ((sdCard_list = SDCardManager.getExternalStorageDirectory()) == null) {
		return downloadedData;
	}
	for (int j = 0; j < sdCard_list.size(); j++) {
		File dir = new File(sdCard_list.get(j).path + YoukuPlayerApplication.getDownloadPath());
		if (!dir.exists())
			continue;
		String[] dirs = dir.list();
		for (int i = dirs.length - 1; i >= 0; i--) {
			String vid = dirs[i];
			final DownloadInfo d = getDownloadInfoBySavePath(sdCard_list
					.get(j).path + YoukuPlayerApplication.getDownloadPath() + vid + "/");
			if (d != null && d.getState() == DownloadInfo.STATE_FINISH) {
				downloadedData.put(d.videoid, d);
				if (d.segCount != d.segsSeconds.length) {
					new Thread() {
						public void run() {
							try {
								DownloadUtils.getDownloadData(d);
								downloadedData.put(d.videoid, d);
								DownloadUtils.makeDownloadInfoFile(d);
								DownloadUtils.makeM3U8File(d);
							} catch (Exception e) {
							}
						};
					}.start();
				}
			}
		}
	}
	return downloadedData;
}
 
Example 17
Source Project: token-core-android   File: StorageTest.java    License: Apache License 2.0 5 votes vote down vote up
@Test
public void testImportETHWalletFromPrivate() {
  Metadata metadata = new Metadata(ChainType.ETHEREUM, Network.MAINNET, "name", "passwordHint");
  metadata.setSource(Metadata.FROM_PRIVATE);
  WalletManager.importWalletFromPrivateKey(metadata, SampleKey.PRIVATE_KEY_STRING, SampleKey.PASSWORD, true);

  File keystoreDir = new File(KEYSTORE_DIR);
  Assert.assertNotNull(keystoreDir.list());
  String walletFilePath = keystoreDir.list()[0];
  Assert.assertNotNull(walletFilePath);
  String fileContent = readFileContent(walletFilePath);
  try {
    JSONObject jsonObject = new JSONObject(fileContent);
    Assert.assertNotNull(jsonObject);
    Assert.assertNotNull(jsonObject.getString("address"));
    Assert.assertNotNull(jsonObject.getJSONObject("crypto"));
    JSONObject metadataObj = jsonObject.getJSONObject("imTokenMeta");
    assertNotNull(metadataObj);
    assertEquals(ChainType.ETHEREUM, metadataObj.getString("chainType"));
    assertNotEquals(0L, metadataObj.getLong("timestamp"));
    assertEquals(Metadata.V3, metadataObj.getString("walletType"));
    assertEquals(Metadata.NORMAL, metadataObj.getString("mode"));
    assertEquals(Metadata.FROM_PRIVATE, metadataObj.getString("source"));

  } catch (JSONException e) {
    Assert.fail("Some error happened, exception: " + e.getMessage());
  }
}
 
Example 18
private static ArrayList<String> getSectionName() {
	final ArrayList<String> result = new ArrayList<>();
	for (final String path : inputPathToModelLibrary) {
		final File directory = new File(path);
		final String[] sectionNames = directory.list((current, name) -> new File(current, name).isDirectory());
		for (final String sectionName : sectionNames) {
			result.add(sectionName);
		}
	}
	return result;
}
 
Example 19
Source Project: Deta_DataBase   File: SelectRowsImp.java    License: Apache License 2.0 4 votes vote down vote up
public static Object selectRowsByAttributesOfCondition(Map<String, Object> object) throws IOException {
	if(!object.containsKey("recordRows")) {
		Map<String, Boolean> recordRows = new ConcurrentHashMap<>();
		object.put("recordRows", recordRows);
	}
	Spec spec = new Spec();
	spec.setCulumnTypes(new ConcurrentHashMap<String, String>());
	String objectType = "";
	List<Map<String, Object>> output = new ArrayList<>();
	//�������ݿ�
	String DBPath = CacheManager.getCacheInfo("DBPath").getValue().toString() + "/" + object.get("baseName").toString();
	//������
	File fileDBPath = new File(DBPath);
	if (fileDBPath.isDirectory()) {
		String DBTablePath = DBPath + "/" + object.get("tableName").toString();
		File fileDBTable = new File(DBTablePath);
		if (fileDBTable.isDirectory()) {
			String DBTableCulumnPath = DBTablePath + "/spec";
			File fileDBTableCulumn = new File(DBTableCulumnPath);
			if (fileDBTableCulumn.isDirectory()) {
				//��ȡ�����ݸ�ʽ
				String[] fileList = fileDBTableCulumn.list();
				for(int i=0; i<fileList.length; i++) {
					File readDBTableSpecCulumnFile = new File(DBTableCulumnPath + "/" + fileList[0]+"/value.lyg");
					BufferedReader reader = new BufferedReader(new FileReader(readDBTableSpecCulumnFile));  
					String tempString = null;
					while ((tempString = reader.readLine()) != null) {  
						objectType = tempString;			
					}
					reader.close();
					spec.setCulumnType(fileList[i], objectType);
				}
				List<String[]> conditionValues = (List<String[]>) object.get("condition");
				Iterator<String[]> iterator = conditionValues.iterator();
				while(iterator.hasNext()) {
					boolean overMap = output.size() == 0? false: true;
					String[] conditionValueArray = iterator.next();
					String type = conditionValueArray[1];
					boolean andMap = type.equalsIgnoreCase("and")?true:false;
					for(int i = 2; i < conditionValueArray.length; i++) {
						String[] sets = conditionValueArray[i].split("\\|");
						if(overMap && andMap) {
							ProcessConditionPLSQL.processMap(sets, output, DBTablePath);//1
						}else if(DetaDBBufferCacheManager.dbCache){
							ProcessConditionPLSQL.processCache(sets, output, object.get("tableName").toString()
									, object.get("baseName").toString(), object);//1
						}else {
							ProcessConditionPLSQL.processTable(sets, output, DBTablePath, object);//1
						}
					}
				}
			}
		}
	}
	return output;
}
 
Example 20
Source Project: Deta_DataBase   File: SelectJoinRowsImp.java    License: Apache License 2.0 4 votes vote down vote up
public static Object selectRowsByAttributesOfJoinCondition(Map<String, Object> object) throws IOException {
	if(!object.containsKey("recordRows")) {
		Map<String, Boolean> recordRows = new ConcurrentHashMap<>();
		object.put("recordRows", recordRows);
	}
	Spec spec = new Spec();
	spec.setCulumnTypes(new ConcurrentHashMap<String, String>());
	String objectType = "";
	List<Map<String, Object>> output = new ArrayList<>();
	//�������ݿ�
	String DBPath = CacheManager.getCacheInfo("DBPath").getValue().toString() + "/" + object.get("joinBaseName").toString();
	//������
	File fileDBPath = new File(DBPath);
	if (fileDBPath.isDirectory()) {
		String DBTablePath = DBPath + "/" + object.get("joinTableName").toString();
		File fileDBTable = new File(DBTablePath);
		if (fileDBTable.isDirectory()) {
			String DBTableCulumnPath = DBTablePath + "/spec";
			File fileDBTableCulumn = new File(DBTableCulumnPath);
			if (fileDBTableCulumn.isDirectory()) {
				//��ȡ�����ݸ�ʽ
				String[] fileList = fileDBTableCulumn.list();
				for(int i=0; i<fileList.length; i++) {
					File readDBTableSpecCulumnFile = new File(DBTableCulumnPath + "/" + fileList[0] + "/value.lyg");
					BufferedReader reader = new BufferedReader(new FileReader(readDBTableSpecCulumnFile));  
					String tempString = null;
					while ((tempString = reader.readLine()) != null) {  
						objectType = tempString;			
					}
					reader.close();
					spec.setCulumnType(fileList[i], objectType);
				}
				List<String[]> conditionValues = (List<String[]>) object.get("condition");
				Iterator<String[]> iterator = conditionValues.iterator();
				while(iterator.hasNext()) {
					boolean overMap = output.size() == 0? false: true;
					String[] conditionValueArray = iterator.next();
					String type = conditionValueArray[1];
					boolean andMap = type.equalsIgnoreCase("and")?true:false;
					for(int i = 2; i < conditionValueArray.length; i++) {
						String[] sets = conditionValueArray[i].split("\\|");
						if(overMap && andMap) {
							ProcessConditionPLSQL.processMap(sets, output, DBTablePath);//1
						}else if(DetaDBBufferCacheManager.dbCache){
							ProcessConditionPLSQL.processCache(sets, output, object.get("joinTableName").toString()
									, object.get("joinBaseName").toString(), object);//1
						}else {
							ProcessConditionPLSQL.processTable(sets, output, DBTablePath, object);//1
						}
					}
				}
			}
		}
	}
	return output;
}