61 lines
2.0 KiB
Java
61 lines
2.0 KiB
Java
/**
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*
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* Copyright 2017 Florian Schmaus, 2018 Paul Schaub.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.ox.util;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.FileNotFoundException;
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import java.io.FileOutputStream;
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import java.io.IOException;
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public class FileUtils {
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public static FileOutputStream prepareFileOutputStream(File file) throws IOException {
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if (!file.exists()) {
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// Create parent directory
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File parent = file.getParentFile();
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if (!parent.exists() && !parent.mkdirs()) {
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throw new IOException("Cannot create directory " + parent.getAbsolutePath());
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}
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// Create file
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if (!file.createNewFile()) {
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throw new IOException("Cannot create file " + file.getAbsolutePath());
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}
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}
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if (file.isDirectory()) {
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throw new AssertionError("File " + file.getAbsolutePath() + " is not a file!");
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}
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return new FileOutputStream(file);
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}
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public static FileInputStream prepareFileInputStream(File file) throws IOException {
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if (file.exists()) {
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if (file.isFile()) {
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return new FileInputStream(file);
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} else {
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throw new IOException("File " + file.getAbsolutePath() + " is not a file!");
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}
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} else {
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throw new FileNotFoundException("File " + file.getAbsolutePath() + " not found.");
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}
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}
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}
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