/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* 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.apache.streams.util.schema;
import com.google.common.base.Preconditions;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardOpenOption;
import java.util.Arrays;
import java.util.List;
/**
* FileUtil contains methods to assist in working with local schema files during
* source or resource generation.
*/
public class FileUtil {
private static final Logger LOGGER = LoggerFactory.getLogger(FileUtil.class);
/**
* drop source path prefix between inputFile and sourceDirectory.
* @param inputFile inputFile
* @param sourceDirectory sourceDirectory
* @return without path prefix
*/
public static String dropSourcePathPrefix(String inputFile, String sourceDirectory) {
if (StringUtils.isBlank(sourceDirectory)) {
return inputFile;
} else {
try {
if ( inputFile.contains(sourceDirectory) && inputFile.indexOf(sourceDirectory) > 0) {
return inputFile.substring(inputFile.indexOf(sourceDirectory) + sourceDirectory.length() + 1);
}
} catch ( Throwable throwable ) {
return inputFile;
}
}
return inputFile;
}
/**
* swapExtension.
* @param inputFile inputFile
* @param originalExtension originalExtension
* @param newExtension newExtension
* @return extension swapped
*/
public static String swapExtension(String inputFile, String originalExtension, String newExtension) {
if (inputFile.endsWith("." + originalExtension)) {
return inputFile.replace("." + originalExtension, "." + newExtension);
} else {
return inputFile;
}
}
/**
* dropExtension.
* @param inputFile inputFile
* @return extension dropped
*/
public static String dropExtension(String inputFile) {
if (inputFile.contains(".")) {
return inputFile.substring(0, inputFile.lastIndexOf("."));
} else {
return inputFile;
}
}
/**
* writeFile.
* @param resourceFile resourceFile
* @param resourceContent resourceContent
*/
public static void writeFile(String resourceFile, String resourceContent) {
try {
File path = new File(resourceFile);
File dir = path.getParentFile();
if ( !dir.exists() ) {
dir.mkdirs();
}
Files.write(Paths.get(resourceFile), resourceContent.getBytes(), StandardOpenOption.CREATE_NEW);
} catch (Exception ex) {
LOGGER.error("Write Exception: {}", ex);
}
}
/**
* resolveRecursive.
* @param config GenerationConfig
* @param schemaFiles List of schemaFiles
*/
public static void resolveRecursive(GenerationConfig config, List<File> schemaFiles) {
Preconditions.checkArgument(schemaFiles.size() > 0);
int index = 0;
while ( schemaFiles.size() > index) {
File child = schemaFiles.get(index);
if (child.isDirectory()) {
schemaFiles.addAll(Arrays.asList(child.listFiles(config.getFileFilter())));
schemaFiles.remove(child);
} else {
index += 1;
}
}
}
}