| /* |
| * 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 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.apache.commons.vfs2.provider.ram; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.apache.commons.vfs2.FileSystemException; |
| |
| /** |
| * OutputStream to a RamFile. |
| */ |
| public class RamFileOutputStream extends OutputStream { |
| |
| /** |
| * File. |
| */ |
| protected RamFileObject file; |
| |
| /** |
| * buffer. |
| */ |
| protected byte[] buffer1 = new byte[1]; |
| |
| /** File is open or closed */ |
| protected boolean closed = false; |
| |
| private IOException exception; |
| |
| /** |
| * @param file The base file. |
| */ |
| public RamFileOutputStream(final RamFileObject file) { |
| this.file = file; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.io.DataOutput#write(byte[], int, int) |
| */ |
| @Override |
| public void write(final byte[] b, final int off, final int len) throws IOException { |
| final RamFileData data = this.file.getData(); |
| final int size = data.size(); |
| final int newSize = size + len; |
| // Store the Exception in order to notify the client again on close() |
| try { |
| this.file.resize(newSize); |
| } catch (final IOException e) { |
| this.exception = e; |
| throw e; |
| } |
| System.arraycopy(b, off, data.getContent(), size, len); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see java.io.DataOutput#write(int) |
| */ |
| @Override |
| public void write(final int b) throws IOException { |
| buffer1[0] = (byte) b; |
| this.write(buffer1); |
| } |
| |
| @Override |
| public void flush() throws IOException { |
| } |
| |
| @Override |
| public void close() throws IOException { |
| if (closed) { |
| return; |
| } |
| // Notify on close that there was an IOException while writing |
| if (exception != null) { |
| throw exception; |
| } |
| try { |
| this.closed = true; |
| // Close the |
| this.file.endOutput(); |
| } catch (final Exception e) { |
| throw new FileSystemException(e); |
| } |
| } |
| |
| } |