de.codecentric.capturereplay.data.DefaultCaptureFileProvider.java Source code

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Here is the source code for de.codecentric.capturereplay.data.DefaultCaptureFileProvider.java

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/*
 * Copyright 2014 the original author or authors.
 *
 * 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
 *
 *     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 de.codecentric.capturereplay.data;

import org.apache.commons.lang3.Validate;
import org.springframework.beans.factory.InitializingBean;

import java.io.File;

public class DefaultCaptureFileProvider implements CaptureFileProvider, InitializingBean {

    private static final String DEFAULT_CAPTURE_FILE_EXTENSION = ".json";

    private String captureFilesPath;

    private String captureFileExtension = DEFAULT_CAPTURE_FILE_EXTENSION;

    @Override
    public File getCaptureFile(String fileName) {
        ensureDirectoryExists(captureFilesPath);
        File file = new File(captureFilesPath + fileName + captureFileExtension);
        purgeFile(file);
        return file;
    }

    public void setCaptureFilesPath(String captureFilesPath) {
        Validate.notNull(captureFilesPath, "The capture file path must not be null.");
        this.captureFilesPath = captureFilesPath;
    }

    public void setCaptureFileExtension(String captureFileExtension) {
        Validate.notNull(captureFileExtension, "The capture file extension must not be null.");
        this.captureFileExtension = captureFileExtension;
    }

    private void ensureDirectoryExists(String directoryPath) {
        File directory = new File(directoryPath);
        if (!directory.exists()) {
            directory.mkdirs();
        }
    }

    private void purgeFile(File file) {
        if (file.exists()) {
            file.delete();
        }
    }

    @Override
    public void afterPropertiesSet() throws Exception {
        Validate.notNull(captureFilesPath, "You must specify a path for capture files.");

        // Make sure captureFilesPath ends with "/".
        if (!captureFilesPath.endsWith("/")) {
            captureFilesPath = captureFilesPath.concat("/");
        }
    }
}