diff options
Diffstat (limited to 'holmes-actions/src/main/java')
-rw-r--r-- | holmes-actions/src/main/java/org/onap/holmes/common/ConfigFileScanner.java | 55 | ||||
-rw-r--r-- | holmes-actions/src/main/java/org/onap/holmes/common/utils/FileUtils.java | 49 |
2 files changed, 104 insertions, 0 deletions
diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/ConfigFileScanner.java b/holmes-actions/src/main/java/org/onap/holmes/common/ConfigFileScanner.java new file mode 100644 index 0000000..efea832 --- /dev/null +++ b/holmes-actions/src/main/java/org/onap/holmes/common/ConfigFileScanner.java @@ -0,0 +1,55 @@ +/** + * Copyright 2021 ZTE Corporation. + * <p> + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onap.holmes.common; + +import org.apache.commons.lang3.StringUtils; +import org.onap.holmes.common.utils.FileUtils; + +import java.io.File; +import java.util.HashMap; +import java.util.Map; + +public class ConfigFileScanner { + public synchronized Map<String, String> scan(String path, String fileNamePattern) { + File dir = new File(path); + Map<String, String> ret = new HashMap(); + if (!dir.isDirectory()) { + ret.putAll(readFile(dir)); + } else { + for (File file : dir.listFiles(pathname -> StringUtils.isBlank(fileNamePattern) ? + true : pathname.getName().contains(fileNamePattern))) { + if (!file.isDirectory()) { + ret.putAll(readFile(file)); + } + } + } + return ret; + } + + public synchronized Map<String, String> scan(String path) { + return scan(path, null); + } + + private Map<String, String> readFile(File file) { + Map<String, String> ret = new HashMap(); + String contents = FileUtils.readTextFile(file.getAbsolutePath()); + if (StringUtils.isNotBlank(contents)) { + ret.put(file.getAbsolutePath(), contents); + } + return ret; + } +} diff --git a/holmes-actions/src/main/java/org/onap/holmes/common/utils/FileUtils.java b/holmes-actions/src/main/java/org/onap/holmes/common/utils/FileUtils.java new file mode 100644 index 0000000..cf5de1c --- /dev/null +++ b/holmes-actions/src/main/java/org/onap/holmes/common/utils/FileUtils.java @@ -0,0 +1,49 @@ +/** + * Copyright 2021 ZTE Corporation. + * <p> + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * <p> + * http://www.apache.org/licenses/LICENSE-2.0 + * <p> + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.onap.holmes.common.utils; + +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import java.io.BufferedReader; +import java.io.FileNotFoundException; +import java.io.FileReader; +import java.io.IOException; + +public class FileUtils { + + final static private Logger LOGGER = LoggerFactory.getLogger(FileUtils.class); + + static public String readTextFile(String path) { + try { + BufferedReader br = new BufferedReader(new FileReader(path)); + StringBuilder sb = new StringBuilder(); + String line; + while ((line = br.readLine()) != null) { + sb.append(line); + } + return sb.toString(); + } catch (FileNotFoundException e) { + LOGGER.warn("No file found: {}", path); + } catch (IOException e) { + LOGGER.error(String.format("Failed to read file contents from '%s'.", path), e); + } catch (Exception e) { + LOGGER.warn("Unknown exception occurred!", e); + } + return null; + } +} |