| /* |
| * Copyright 2000-2012 JetBrains s.r.o. |
| * |
| * 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 org.jetbrains.jps.incremental; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.util.Arrays; |
| |
| /** |
| * @author Eugene Zhuravlev |
| * Date: 11/18/12 |
| */ |
| public final class BinaryContent { |
| private final byte[] myBuffer; |
| private final int myOffset; |
| private final int myLength; |
| |
| public BinaryContent(byte[] buf) { |
| this(buf, 0, buf.length); |
| } |
| |
| public BinaryContent(byte[] buf, int off, int len) { |
| myBuffer = buf; |
| myOffset = off; |
| myLength = len; |
| } |
| |
| public byte[] getBuffer() { |
| return myBuffer; |
| } |
| |
| public int getOffset() { |
| return myOffset; |
| } |
| |
| public int getLength() { |
| return myLength; |
| } |
| |
| public byte[] toByteArray() { |
| return Arrays.copyOfRange(myBuffer, myOffset, myOffset + myLength); |
| } |
| |
| public void saveToFile(File file) throws IOException { |
| try { |
| _writeToFile(file, this); |
| } |
| catch (IOException e) { |
| // assuming the reason is non-existing parent |
| final File parentFile = file.getParentFile(); |
| if (parentFile == null) { |
| throw e; |
| } |
| if (!parentFile.mkdirs()) { |
| throw e; |
| } |
| // second attempt |
| _writeToFile(file, this); |
| } |
| } |
| |
| private static void _writeToFile(final File file, BinaryContent content) throws IOException { |
| final OutputStream stream = new FileOutputStream(file); |
| try { |
| stream.write(content.getBuffer(), content.getOffset(), content.getLength()); |
| } |
| finally { |
| stream.close(); |
| } |
| } |
| |
| } |